NEET 2019 Paper with Detailed Solutions - Biology | Additional Study Material for NEET PDF Download

 Page 1


1
91. Which of the following statements is incorrect ?
(1) Viroids lack a protein coat
(2) Viruses are obligate parasites
(3) Infective constituent in viruses is the protein
coat
(4) Prions consist of abnormally folded proteins
Ans. (3)
92. Purines found both in DNA and RNA are :-
(1) Adenine and thymine
(2) Adenine and guanine
(3) Guanine and cytosine
(4) Cytosine and thymine
Ans. (2)
93. Which of the following glucose transporters is insulin-
dependent ?
(1) GLUT I (2) GLUT II
(3) GLUT III (4) GLUT IV
Ans. (4)
94. Identify the cells whose secretion protects the lining
of gastro-intestinal tract from various enzymes :-
(1) Chief Cells
(2) Goblet Cells
(3) Oxyntic Cells
(4) Duodenal Cells
Ans. (2)
95. Which one of the following equipments is essentially
required for growing microbes on a large scale, for
industrial production of enzymes ?
(1) BOD incubator (2) Sludge digester
(3) Industrial oven (4) Bioreactor
Ans. (4)
96. Which of the following in true for Golden rice ?
(1) It is Vitamin A enriched, with a gene from
daffodil
(2) It is pest resistant, with a gene from Bacillus
thuringiensis
(3) It is drought tolerant, developed using
Agrobacterium vector
(4) It has yellow grains, because of a gene introduced
from a primitive variety of rice
Ans. (1)
FINAL NEET(UG)–2019 EXAMINATION
(Held On Sunday 05
th
 MAY , 2019)
BIOLOGY TEST PAPER WITH ANSWER
97. Which one of the following is not a method of in situ
conservation of biodiversity ?
(1) Biosphere Reserve
(2) Wildlife Sanctuary
(3) Botanical Garden
(4) Sacred Grove
Ans. (3)
98. Under which of the following conditions will there
be no change in the reading frame of following
mRNA ?
5'AACAGCGGUGCUAUU3'
(1) Insertion of G at 5
th
 position
(2) Deletion of G from 5
th
 position
(3) Insertion of A at G at 4
th
 and 5
th
 positions
respectively
(4) Deletion of GGU from 7
th
, 8
th
 and 9
th
 positions
Ans. (4)
99. Which of these following methods is the most suitable
for disposal of nuclear waste ?
(1) Shoot the waste into space
(2) Bury the waste under Antarctic ice-cover
(3) Dump the waste within rocks under deep ocean
(4) Burry the waste within rocks deep below the
Earth's surface
Ans. (4)
100. Match the following organisms with the products
they produce :-
(a) Lactobacillus (i) Cheese
(b) Saccharomyces (ii) Curd
cerevisiae
(c) Aspergillus niger (iii) Citric Acid
(d) Acetobacter aceti (iv) Bread
(v) Acetic Acid
Select the correct option.
(a) (b) (c) (d)
(1) ii iv v iii
(2) ii iv iii v
(3) iii iv v i
(4) ii i iii v
Ans. (2)
Page 2


1
91. Which of the following statements is incorrect ?
(1) Viroids lack a protein coat
(2) Viruses are obligate parasites
(3) Infective constituent in viruses is the protein
coat
(4) Prions consist of abnormally folded proteins
Ans. (3)
92. Purines found both in DNA and RNA are :-
(1) Adenine and thymine
(2) Adenine and guanine
(3) Guanine and cytosine
(4) Cytosine and thymine
Ans. (2)
93. Which of the following glucose transporters is insulin-
dependent ?
(1) GLUT I (2) GLUT II
(3) GLUT III (4) GLUT IV
Ans. (4)
94. Identify the cells whose secretion protects the lining
of gastro-intestinal tract from various enzymes :-
(1) Chief Cells
(2) Goblet Cells
(3) Oxyntic Cells
(4) Duodenal Cells
Ans. (2)
95. Which one of the following equipments is essentially
required for growing microbes on a large scale, for
industrial production of enzymes ?
(1) BOD incubator (2) Sludge digester
(3) Industrial oven (4) Bioreactor
Ans. (4)
96. Which of the following in true for Golden rice ?
(1) It is Vitamin A enriched, with a gene from
daffodil
(2) It is pest resistant, with a gene from Bacillus
thuringiensis
(3) It is drought tolerant, developed using
Agrobacterium vector
(4) It has yellow grains, because of a gene introduced
from a primitive variety of rice
Ans. (1)
FINAL NEET(UG)–2019 EXAMINATION
(Held On Sunday 05
th
 MAY , 2019)
BIOLOGY TEST PAPER WITH ANSWER
97. Which one of the following is not a method of in situ
conservation of biodiversity ?
(1) Biosphere Reserve
(2) Wildlife Sanctuary
(3) Botanical Garden
(4) Sacred Grove
Ans. (3)
98. Under which of the following conditions will there
be no change in the reading frame of following
mRNA ?
5'AACAGCGGUGCUAUU3'
(1) Insertion of G at 5
th
 position
(2) Deletion of G from 5
th
 position
(3) Insertion of A at G at 4
th
 and 5
th
 positions
respectively
(4) Deletion of GGU from 7
th
, 8
th
 and 9
th
 positions
Ans. (4)
99. Which of these following methods is the most suitable
for disposal of nuclear waste ?
(1) Shoot the waste into space
(2) Bury the waste under Antarctic ice-cover
(3) Dump the waste within rocks under deep ocean
(4) Burry the waste within rocks deep below the
Earth's surface
Ans. (4)
100. Match the following organisms with the products
they produce :-
(a) Lactobacillus (i) Cheese
(b) Saccharomyces (ii) Curd
cerevisiae
(c) Aspergillus niger (iii) Citric Acid
(d) Acetobacter aceti (iv) Bread
(v) Acetic Acid
Select the correct option.
(a) (b) (c) (d)
(1) ii iv v iii
(2) ii iv iii v
(3) iii iv v i
(4) ii i iii v
Ans. (2)
2
 
101. What map unit (Centimorgan) is adopted in the
construction of genetic maps ?
(1) A unit of distance between two expressed genes,
representing 10% cross over
(2) A unit of distance between two expressed genes,
representing 100% cross over
(3) A unit of distance between genes on
chromosomes, representing 1% cross over
(4) A unit of distance between genes on
chromosomes, representing 50% cross over
Ans. (3)
102. Select the hormone-releasing Intra-Uterine Devices?
(1) Vaults, LNG-20
(2) Multiload 375, Progestasert
(3) Progestasert, LNG-20
(4) Lippes Loop, Multiload 375
Ans. (3)
103. Which of the following can be used as a biocontrol
agent in the treatment of plant disease ?
(1) Trichoderma
(2) Chlorella
(3) Anabaena
(4) Lactobacillus
Ans. (1)
104. Expressed Sequence Tages (ESTs) refers to :-
(1) Genes expressed as RNA
(2) Polypeptide expression
(3) DNA polymorphism
(4) Novel DNA sequences
Ans. (1)
105. Colostrum, the yellowish fluid, secreted by mother
during the initial days of lactation is very essential
to impart immunity to the newborn infants because
it contains :-
(1) Natural killer cells
(2) Monocytes
(3) Macrophages
(4) Immunoglobulin A
Ans. (4)
106. Select the incorrect statement :-
(1) Inbreeding increases homozygosity
(2) Inbreeding is essential to evolve purelines in any
animal
(3) Inbreeding selects harmful recessive genes that
reduce fertility and productivity
(4) Inbreeding helps in accumulation of superior
genes elimination of undesirable genes
Ans. (3)
107. Select the correct sequence of transport of sperm
cells in male reproductive system :-
(1) Testis ® Epididymis ® Vasa efferentia ® Rete
testis ® Inguinal canal ® Urethra
(2) Seminiferous tubules ® Rete testis  ® Vasa
efferentia ® Epididymis ® Vas deferens  ®
Ejaculatory duct ® Urethra ® Urethral meatus
(3) Seminiferous tubules ® Vasa efferentia ®
Epididymis ® Inguinal canal ® Urethra
(4) Testis ® Epididymis ® Vasa efferentia ® Vas
deferens ®  Ejaculatory duct ® Inguinal canal
® Urethra  ® Urethral meatus
Ans. (2)
108. A gene locus has two alleles A, a. If the frequency
of dominant allele A is 0.4 then what will be the
frequency of homozygous dominant, heterozygous
and homozygous recessive individuals in the
population ?
(1) 0.36 (AA); 0.48(Aa); 0.16 (aa)
(2) 0.16 (AA); 0.24 (Aa); 0.36 (aa)
(3) 0.16 (AA); 0.48 (Aa); 0.36 (aa)
(4) 0.16 (AA); 0.36 (Aa); 0.48 (aa)
Ans. (3)
109. Match the following organisms with their respective
characteristics :-
(a) Pila (i) Flame cells
(b) Bombyx (ii) Comb plates
(c) Pleurobrachia (iii) Radula
(d) Taenia (iv) Malpighian tubules
Select the correct option from the following
(a) (b) (c) (d)
(1) (iii) (ii) (i) (iv)
(2) (iii) (iv) (ii) (i)
(3) (ii) (iv) (iii) (i)
(4) (iiii) (ii) (iv) (i)
Ans. (2)
110. The shorter and longer arms of a submetacentric
chromosome are referred to as :-
(1) s-arm and l-arm respectively
(2) p-arm and q-arm respectively
(3) q-arm and p-arm respectively
(4)  m-arm and n-arm respectively
Ans. (2)
111. What is the site of perception of photoperiod
necessary for induction of flowering in plants :-
(1) Lateral buds (2) Pulvinus
(3) Shoot apex (4) Leaves
Ans. (4)
Page 3


1
91. Which of the following statements is incorrect ?
(1) Viroids lack a protein coat
(2) Viruses are obligate parasites
(3) Infective constituent in viruses is the protein
coat
(4) Prions consist of abnormally folded proteins
Ans. (3)
92. Purines found both in DNA and RNA are :-
(1) Adenine and thymine
(2) Adenine and guanine
(3) Guanine and cytosine
(4) Cytosine and thymine
Ans. (2)
93. Which of the following glucose transporters is insulin-
dependent ?
(1) GLUT I (2) GLUT II
(3) GLUT III (4) GLUT IV
Ans. (4)
94. Identify the cells whose secretion protects the lining
of gastro-intestinal tract from various enzymes :-
(1) Chief Cells
(2) Goblet Cells
(3) Oxyntic Cells
(4) Duodenal Cells
Ans. (2)
95. Which one of the following equipments is essentially
required for growing microbes on a large scale, for
industrial production of enzymes ?
(1) BOD incubator (2) Sludge digester
(3) Industrial oven (4) Bioreactor
Ans. (4)
96. Which of the following in true for Golden rice ?
(1) It is Vitamin A enriched, with a gene from
daffodil
(2) It is pest resistant, with a gene from Bacillus
thuringiensis
(3) It is drought tolerant, developed using
Agrobacterium vector
(4) It has yellow grains, because of a gene introduced
from a primitive variety of rice
Ans. (1)
FINAL NEET(UG)–2019 EXAMINATION
(Held On Sunday 05
th
 MAY , 2019)
BIOLOGY TEST PAPER WITH ANSWER
97. Which one of the following is not a method of in situ
conservation of biodiversity ?
(1) Biosphere Reserve
(2) Wildlife Sanctuary
(3) Botanical Garden
(4) Sacred Grove
Ans. (3)
98. Under which of the following conditions will there
be no change in the reading frame of following
mRNA ?
5'AACAGCGGUGCUAUU3'
(1) Insertion of G at 5
th
 position
(2) Deletion of G from 5
th
 position
(3) Insertion of A at G at 4
th
 and 5
th
 positions
respectively
(4) Deletion of GGU from 7
th
, 8
th
 and 9
th
 positions
Ans. (4)
99. Which of these following methods is the most suitable
for disposal of nuclear waste ?
(1) Shoot the waste into space
(2) Bury the waste under Antarctic ice-cover
(3) Dump the waste within rocks under deep ocean
(4) Burry the waste within rocks deep below the
Earth's surface
Ans. (4)
100. Match the following organisms with the products
they produce :-
(a) Lactobacillus (i) Cheese
(b) Saccharomyces (ii) Curd
cerevisiae
(c) Aspergillus niger (iii) Citric Acid
(d) Acetobacter aceti (iv) Bread
(v) Acetic Acid
Select the correct option.
(a) (b) (c) (d)
(1) ii iv v iii
(2) ii iv iii v
(3) iii iv v i
(4) ii i iii v
Ans. (2)
2
 
101. What map unit (Centimorgan) is adopted in the
construction of genetic maps ?
(1) A unit of distance between two expressed genes,
representing 10% cross over
(2) A unit of distance between two expressed genes,
representing 100% cross over
(3) A unit of distance between genes on
chromosomes, representing 1% cross over
(4) A unit of distance between genes on
chromosomes, representing 50% cross over
Ans. (3)
102. Select the hormone-releasing Intra-Uterine Devices?
(1) Vaults, LNG-20
(2) Multiload 375, Progestasert
(3) Progestasert, LNG-20
(4) Lippes Loop, Multiload 375
Ans. (3)
103. Which of the following can be used as a biocontrol
agent in the treatment of plant disease ?
(1) Trichoderma
(2) Chlorella
(3) Anabaena
(4) Lactobacillus
Ans. (1)
104. Expressed Sequence Tages (ESTs) refers to :-
(1) Genes expressed as RNA
(2) Polypeptide expression
(3) DNA polymorphism
(4) Novel DNA sequences
Ans. (1)
105. Colostrum, the yellowish fluid, secreted by mother
during the initial days of lactation is very essential
to impart immunity to the newborn infants because
it contains :-
(1) Natural killer cells
(2) Monocytes
(3) Macrophages
(4) Immunoglobulin A
Ans. (4)
106. Select the incorrect statement :-
(1) Inbreeding increases homozygosity
(2) Inbreeding is essential to evolve purelines in any
animal
(3) Inbreeding selects harmful recessive genes that
reduce fertility and productivity
(4) Inbreeding helps in accumulation of superior
genes elimination of undesirable genes
Ans. (3)
107. Select the correct sequence of transport of sperm
cells in male reproductive system :-
(1) Testis ® Epididymis ® Vasa efferentia ® Rete
testis ® Inguinal canal ® Urethra
(2) Seminiferous tubules ® Rete testis  ® Vasa
efferentia ® Epididymis ® Vas deferens  ®
Ejaculatory duct ® Urethra ® Urethral meatus
(3) Seminiferous tubules ® Vasa efferentia ®
Epididymis ® Inguinal canal ® Urethra
(4) Testis ® Epididymis ® Vasa efferentia ® Vas
deferens ®  Ejaculatory duct ® Inguinal canal
® Urethra  ® Urethral meatus
Ans. (2)
108. A gene locus has two alleles A, a. If the frequency
of dominant allele A is 0.4 then what will be the
frequency of homozygous dominant, heterozygous
and homozygous recessive individuals in the
population ?
(1) 0.36 (AA); 0.48(Aa); 0.16 (aa)
(2) 0.16 (AA); 0.24 (Aa); 0.36 (aa)
(3) 0.16 (AA); 0.48 (Aa); 0.36 (aa)
(4) 0.16 (AA); 0.36 (Aa); 0.48 (aa)
Ans. (3)
109. Match the following organisms with their respective
characteristics :-
(a) Pila (i) Flame cells
(b) Bombyx (ii) Comb plates
(c) Pleurobrachia (iii) Radula
(d) Taenia (iv) Malpighian tubules
Select the correct option from the following
(a) (b) (c) (d)
(1) (iii) (ii) (i) (iv)
(2) (iii) (iv) (ii) (i)
(3) (ii) (iv) (iii) (i)
(4) (iiii) (ii) (iv) (i)
Ans. (2)
110. The shorter and longer arms of a submetacentric
chromosome are referred to as :-
(1) s-arm and l-arm respectively
(2) p-arm and q-arm respectively
(3) q-arm and p-arm respectively
(4)  m-arm and n-arm respectively
Ans. (2)
111. What is the site of perception of photoperiod
necessary for induction of flowering in plants :-
(1) Lateral buds (2) Pulvinus
(3) Shoot apex (4) Leaves
Ans. (4)
3
112. Which part of the brain is responsible for
thermoregulation ?
(1) Cerebrum (2) Hypothalamus
(3) Corpus callosum (4) Medulla oblongata
Ans. (2)
113. Which of the following pair of organelles does not
contain DNA :-
(1) Mitochondria and Lysosomes
(2) Chloroplast and Vacuoles
(3) Lysosomes and Vacuoles
(4) Nuclear envelope and Mitochondria
Ans. (3)
114. What is the genetic disorder in which an individual
has an overall masculine development,
gynaecomastia, and is sterile ?
(1) Turner's syndrome
(2) Klinefelter's syndrome
(3) Edward syndrome
(4) Down's syndrome
Ans. (2)
115. Xylem translocates :-
(1) Water only
(2) Water and mineral salts only
(3) Water , mineral salts and some organic nitrogen
only
(4) Water , mineral salts, some organic nitrogen and
hormones
Ans. (4)
116. Which of the following pairs of gases is mainly
responsible for green house effect?
(1) Ozone and Ammonia
(2) Oxygen and Nitrogen
(3) Nitrogen and Sulphur dioxide
(4) Carbon dioxide and Methane
Ans. (4)
117. Which of the following protocols did aim for reducing
emission of chloroflurocarbons into the atmosphere?
(1) Montreal protocol
(2) Kyoto protocol
(3) Gothenburg Protocol
(4) Geneva Protocol
Ans. (1)
118. Is some plants, the female gamete develops into
embryo without fertilization. This phenomenon is
known as :
(1) Autogamy (2) Parthenocarpy
(3) Syngamy (4) Parthenogenesis
Ans. (4)
119. Which of the following sexually transmitted diseases
is not completely curable ?
(1) Gonorrhoea
(2) Genital warts
(3) Genital herpes
(4) Chlamydiasis
Ans. (3)
120. Which of the following immune responses is
responsible for rejection of kidney graft?
(1) Auto- immune respones
(2) Humoral immune response
(3) Inflammatory immune response
(4) Cell-mediated immune response
Ans. (4)
121. Which of the following factors is responsible for the
formation of concentrated urine?
(1) Low levels of antidiuretic hormone.
(2) Maintaining hyperosmolarity towards inner
medullary interstitium in the kidneys.
(3) Secretion of erythropoietin by juxtaglomerular
complex.
(4) Hydrostatic pressure during glomerular filtration.
Ans. (2)
122. Which of the following features of genetic code does
allow bacteria to produce human insulin by
recombinant DNA technology?
(1) Genetic code is not ambiguous
(2) Genetic code is redundant
(3) Genetic code is nearly universal
(4) Genetic code is specific
Ans. (3)
123. Which of the following statements is not correct?
(1) Lysosomes have numerous hydrolytic enzymes.
(2) The hydrolytic enzymes of lysosomes are active
under acidic pH.
(3) Lysosomes are membrane bound structures.
(4) Lysosomes are formed by the process of
packaging in the endoplasmic reticulum.
Ans. (4)
124. The concept of " Omnis cellula-e cellula" regarding
cell division was first proposed by:
(1) Rudolf Virchow
(2) Theodore Schwann
(3) Schleiden
(4) Aristotle
Ans. (1)
Page 4


1
91. Which of the following statements is incorrect ?
(1) Viroids lack a protein coat
(2) Viruses are obligate parasites
(3) Infective constituent in viruses is the protein
coat
(4) Prions consist of abnormally folded proteins
Ans. (3)
92. Purines found both in DNA and RNA are :-
(1) Adenine and thymine
(2) Adenine and guanine
(3) Guanine and cytosine
(4) Cytosine and thymine
Ans. (2)
93. Which of the following glucose transporters is insulin-
dependent ?
(1) GLUT I (2) GLUT II
(3) GLUT III (4) GLUT IV
Ans. (4)
94. Identify the cells whose secretion protects the lining
of gastro-intestinal tract from various enzymes :-
(1) Chief Cells
(2) Goblet Cells
(3) Oxyntic Cells
(4) Duodenal Cells
Ans. (2)
95. Which one of the following equipments is essentially
required for growing microbes on a large scale, for
industrial production of enzymes ?
(1) BOD incubator (2) Sludge digester
(3) Industrial oven (4) Bioreactor
Ans. (4)
96. Which of the following in true for Golden rice ?
(1) It is Vitamin A enriched, with a gene from
daffodil
(2) It is pest resistant, with a gene from Bacillus
thuringiensis
(3) It is drought tolerant, developed using
Agrobacterium vector
(4) It has yellow grains, because of a gene introduced
from a primitive variety of rice
Ans. (1)
FINAL NEET(UG)–2019 EXAMINATION
(Held On Sunday 05
th
 MAY , 2019)
BIOLOGY TEST PAPER WITH ANSWER
97. Which one of the following is not a method of in situ
conservation of biodiversity ?
(1) Biosphere Reserve
(2) Wildlife Sanctuary
(3) Botanical Garden
(4) Sacred Grove
Ans. (3)
98. Under which of the following conditions will there
be no change in the reading frame of following
mRNA ?
5'AACAGCGGUGCUAUU3'
(1) Insertion of G at 5
th
 position
(2) Deletion of G from 5
th
 position
(3) Insertion of A at G at 4
th
 and 5
th
 positions
respectively
(4) Deletion of GGU from 7
th
, 8
th
 and 9
th
 positions
Ans. (4)
99. Which of these following methods is the most suitable
for disposal of nuclear waste ?
(1) Shoot the waste into space
(2) Bury the waste under Antarctic ice-cover
(3) Dump the waste within rocks under deep ocean
(4) Burry the waste within rocks deep below the
Earth's surface
Ans. (4)
100. Match the following organisms with the products
they produce :-
(a) Lactobacillus (i) Cheese
(b) Saccharomyces (ii) Curd
cerevisiae
(c) Aspergillus niger (iii) Citric Acid
(d) Acetobacter aceti (iv) Bread
(v) Acetic Acid
Select the correct option.
(a) (b) (c) (d)
(1) ii iv v iii
(2) ii iv iii v
(3) iii iv v i
(4) ii i iii v
Ans. (2)
2
 
101. What map unit (Centimorgan) is adopted in the
construction of genetic maps ?
(1) A unit of distance between two expressed genes,
representing 10% cross over
(2) A unit of distance between two expressed genes,
representing 100% cross over
(3) A unit of distance between genes on
chromosomes, representing 1% cross over
(4) A unit of distance between genes on
chromosomes, representing 50% cross over
Ans. (3)
102. Select the hormone-releasing Intra-Uterine Devices?
(1) Vaults, LNG-20
(2) Multiload 375, Progestasert
(3) Progestasert, LNG-20
(4) Lippes Loop, Multiload 375
Ans. (3)
103. Which of the following can be used as a biocontrol
agent in the treatment of plant disease ?
(1) Trichoderma
(2) Chlorella
(3) Anabaena
(4) Lactobacillus
Ans. (1)
104. Expressed Sequence Tages (ESTs) refers to :-
(1) Genes expressed as RNA
(2) Polypeptide expression
(3) DNA polymorphism
(4) Novel DNA sequences
Ans. (1)
105. Colostrum, the yellowish fluid, secreted by mother
during the initial days of lactation is very essential
to impart immunity to the newborn infants because
it contains :-
(1) Natural killer cells
(2) Monocytes
(3) Macrophages
(4) Immunoglobulin A
Ans. (4)
106. Select the incorrect statement :-
(1) Inbreeding increases homozygosity
(2) Inbreeding is essential to evolve purelines in any
animal
(3) Inbreeding selects harmful recessive genes that
reduce fertility and productivity
(4) Inbreeding helps in accumulation of superior
genes elimination of undesirable genes
Ans. (3)
107. Select the correct sequence of transport of sperm
cells in male reproductive system :-
(1) Testis ® Epididymis ® Vasa efferentia ® Rete
testis ® Inguinal canal ® Urethra
(2) Seminiferous tubules ® Rete testis  ® Vasa
efferentia ® Epididymis ® Vas deferens  ®
Ejaculatory duct ® Urethra ® Urethral meatus
(3) Seminiferous tubules ® Vasa efferentia ®
Epididymis ® Inguinal canal ® Urethra
(4) Testis ® Epididymis ® Vasa efferentia ® Vas
deferens ®  Ejaculatory duct ® Inguinal canal
® Urethra  ® Urethral meatus
Ans. (2)
108. A gene locus has two alleles A, a. If the frequency
of dominant allele A is 0.4 then what will be the
frequency of homozygous dominant, heterozygous
and homozygous recessive individuals in the
population ?
(1) 0.36 (AA); 0.48(Aa); 0.16 (aa)
(2) 0.16 (AA); 0.24 (Aa); 0.36 (aa)
(3) 0.16 (AA); 0.48 (Aa); 0.36 (aa)
(4) 0.16 (AA); 0.36 (Aa); 0.48 (aa)
Ans. (3)
109. Match the following organisms with their respective
characteristics :-
(a) Pila (i) Flame cells
(b) Bombyx (ii) Comb plates
(c) Pleurobrachia (iii) Radula
(d) Taenia (iv) Malpighian tubules
Select the correct option from the following
(a) (b) (c) (d)
(1) (iii) (ii) (i) (iv)
(2) (iii) (iv) (ii) (i)
(3) (ii) (iv) (iii) (i)
(4) (iiii) (ii) (iv) (i)
Ans. (2)
110. The shorter and longer arms of a submetacentric
chromosome are referred to as :-
(1) s-arm and l-arm respectively
(2) p-arm and q-arm respectively
(3) q-arm and p-arm respectively
(4)  m-arm and n-arm respectively
Ans. (2)
111. What is the site of perception of photoperiod
necessary for induction of flowering in plants :-
(1) Lateral buds (2) Pulvinus
(3) Shoot apex (4) Leaves
Ans. (4)
3
112. Which part of the brain is responsible for
thermoregulation ?
(1) Cerebrum (2) Hypothalamus
(3) Corpus callosum (4) Medulla oblongata
Ans. (2)
113. Which of the following pair of organelles does not
contain DNA :-
(1) Mitochondria and Lysosomes
(2) Chloroplast and Vacuoles
(3) Lysosomes and Vacuoles
(4) Nuclear envelope and Mitochondria
Ans. (3)
114. What is the genetic disorder in which an individual
has an overall masculine development,
gynaecomastia, and is sterile ?
(1) Turner's syndrome
(2) Klinefelter's syndrome
(3) Edward syndrome
(4) Down's syndrome
Ans. (2)
115. Xylem translocates :-
(1) Water only
(2) Water and mineral salts only
(3) Water , mineral salts and some organic nitrogen
only
(4) Water , mineral salts, some organic nitrogen and
hormones
Ans. (4)
116. Which of the following pairs of gases is mainly
responsible for green house effect?
(1) Ozone and Ammonia
(2) Oxygen and Nitrogen
(3) Nitrogen and Sulphur dioxide
(4) Carbon dioxide and Methane
Ans. (4)
117. Which of the following protocols did aim for reducing
emission of chloroflurocarbons into the atmosphere?
(1) Montreal protocol
(2) Kyoto protocol
(3) Gothenburg Protocol
(4) Geneva Protocol
Ans. (1)
118. Is some plants, the female gamete develops into
embryo without fertilization. This phenomenon is
known as :
(1) Autogamy (2) Parthenocarpy
(3) Syngamy (4) Parthenogenesis
Ans. (4)
119. Which of the following sexually transmitted diseases
is not completely curable ?
(1) Gonorrhoea
(2) Genital warts
(3) Genital herpes
(4) Chlamydiasis
Ans. (3)
120. Which of the following immune responses is
responsible for rejection of kidney graft?
(1) Auto- immune respones
(2) Humoral immune response
(3) Inflammatory immune response
(4) Cell-mediated immune response
Ans. (4)
121. Which of the following factors is responsible for the
formation of concentrated urine?
(1) Low levels of antidiuretic hormone.
(2) Maintaining hyperosmolarity towards inner
medullary interstitium in the kidneys.
(3) Secretion of erythropoietin by juxtaglomerular
complex.
(4) Hydrostatic pressure during glomerular filtration.
Ans. (2)
122. Which of the following features of genetic code does
allow bacteria to produce human insulin by
recombinant DNA technology?
(1) Genetic code is not ambiguous
(2) Genetic code is redundant
(3) Genetic code is nearly universal
(4) Genetic code is specific
Ans. (3)
123. Which of the following statements is not correct?
(1) Lysosomes have numerous hydrolytic enzymes.
(2) The hydrolytic enzymes of lysosomes are active
under acidic pH.
(3) Lysosomes are membrane bound structures.
(4) Lysosomes are formed by the process of
packaging in the endoplasmic reticulum.
Ans. (4)
124. The concept of " Omnis cellula-e cellula" regarding
cell division was first proposed by:
(1) Rudolf Virchow
(2) Theodore Schwann
(3) Schleiden
(4) Aristotle
Ans. (1)
4
 
125. Use of an artificial kidney during  hemodialysis may
result in :
(a) Nitrogenous waste build-up in the body
(b) Non-elimination of excess potassium ions
(c) Reduced absorption of calcium ions from gastro-
intestinal tract
(d) Reduced RBC production
Which of the following options is the most
appropiate?
(1) (a) and (b) are correct
(2) (b) and (c) are correct
(3) (c) and (d) are correct
(4) (a) and (d) are correct
Ans. (3)
126. What is the direction of movement of sugars in
phloem?
(1) Non-multidirectional
(2) Upward
(3)  Downward
(4) Bi-directional
Ans. (4)
127. Which of the following muscular disorders is
inherited ?
(1)  Tetany
(2) Muscular dystrophy
(3) Myasthenia gravis
(4) Botulism
Ans. (2)
128. Consider following features:
(a) Organ system level of organisation
(b) Bilateral symmetry
(c) True coelomates with segmentation of body
Select the correct option of animal groups which
possess all the above  characteristics.
(1) Annelida, Arthropoda and Chordata
(2) Annelida, Arthropoda and Mollusca
(3) Arthropoda , Mollusca and Chordata
(4) Annelida, Mollusca and Chordata
Ans. (1)
129. The frequency of recombination between gene pairs
on the same chromosome as a measure of the
distance between genes was explained by :
(1) T.H. Morgan
(2) Gregor J. Mendel
(3) Alfred Sturtevant
(4) Sutton Boveri
Ans. (3)
130. Following statements describe the characteristics of
the enzyme Restriction endonuclease. Identify the
incorrect statement.
(1) The enzyme cuts DNA molecule at identified
position within the DNA
(2) The enzyme binds DNA at specific sites and cuts
only one of the two strands.
(3) The enzyme cuts the sugar-phosphate backbone
at specific sites on each strand.
(4) The enzyme recognizes a specific palindromic
nucleotide sequence in the DNA
Ans. (2)
131. Which of the following statements is incorrect?
(1) Morels and truffles are edible delicacies.
(2) Claviceps is a source of many alkaloids and LSD.
(3) Conidia are produced exogenously and
ascospores endogenously.
(4) Y easts have filamentous bodies with long thread-
like hyphae.
Ans. (4)
132. Placentation, in which ovules develop on the inner
wall of the ovary or in peripheral part, is :
(1) Basal
(2) Axile
(3) Parietal
(4) Free central
Ans. (3)
133. Which of the following is the most important causes
for animals and plants being driven to extinction?
(1) Habitat loss and fragmentation
(2) Drought and floods
(3) Economic exploitation
(4) Alien species invasion
Ans. (1)
134. V ariations caused by mutation, as proposed by Hugo
de Vries, are
(1) random and directional
(2) random and directionless
(3) small and directional
(4) small and directionless
Ans. (2)
135. Respiratiory Quotient (RQ) value of tripalmitin is :
(1) 0.9 (2) 0.7
(3) 0.07 (4) 0.09
Ans. (2)
Page 5


1
91. Which of the following statements is incorrect ?
(1) Viroids lack a protein coat
(2) Viruses are obligate parasites
(3) Infective constituent in viruses is the protein
coat
(4) Prions consist of abnormally folded proteins
Ans. (3)
92. Purines found both in DNA and RNA are :-
(1) Adenine and thymine
(2) Adenine and guanine
(3) Guanine and cytosine
(4) Cytosine and thymine
Ans. (2)
93. Which of the following glucose transporters is insulin-
dependent ?
(1) GLUT I (2) GLUT II
(3) GLUT III (4) GLUT IV
Ans. (4)
94. Identify the cells whose secretion protects the lining
of gastro-intestinal tract from various enzymes :-
(1) Chief Cells
(2) Goblet Cells
(3) Oxyntic Cells
(4) Duodenal Cells
Ans. (2)
95. Which one of the following equipments is essentially
required for growing microbes on a large scale, for
industrial production of enzymes ?
(1) BOD incubator (2) Sludge digester
(3) Industrial oven (4) Bioreactor
Ans. (4)
96. Which of the following in true for Golden rice ?
(1) It is Vitamin A enriched, with a gene from
daffodil
(2) It is pest resistant, with a gene from Bacillus
thuringiensis
(3) It is drought tolerant, developed using
Agrobacterium vector
(4) It has yellow grains, because of a gene introduced
from a primitive variety of rice
Ans. (1)
FINAL NEET(UG)–2019 EXAMINATION
(Held On Sunday 05
th
 MAY , 2019)
BIOLOGY TEST PAPER WITH ANSWER
97. Which one of the following is not a method of in situ
conservation of biodiversity ?
(1) Biosphere Reserve
(2) Wildlife Sanctuary
(3) Botanical Garden
(4) Sacred Grove
Ans. (3)
98. Under which of the following conditions will there
be no change in the reading frame of following
mRNA ?
5'AACAGCGGUGCUAUU3'
(1) Insertion of G at 5
th
 position
(2) Deletion of G from 5
th
 position
(3) Insertion of A at G at 4
th
 and 5
th
 positions
respectively
(4) Deletion of GGU from 7
th
, 8
th
 and 9
th
 positions
Ans. (4)
99. Which of these following methods is the most suitable
for disposal of nuclear waste ?
(1) Shoot the waste into space
(2) Bury the waste under Antarctic ice-cover
(3) Dump the waste within rocks under deep ocean
(4) Burry the waste within rocks deep below the
Earth's surface
Ans. (4)
100. Match the following organisms with the products
they produce :-
(a) Lactobacillus (i) Cheese
(b) Saccharomyces (ii) Curd
cerevisiae
(c) Aspergillus niger (iii) Citric Acid
(d) Acetobacter aceti (iv) Bread
(v) Acetic Acid
Select the correct option.
(a) (b) (c) (d)
(1) ii iv v iii
(2) ii iv iii v
(3) iii iv v i
(4) ii i iii v
Ans. (2)
2
 
101. What map unit (Centimorgan) is adopted in the
construction of genetic maps ?
(1) A unit of distance between two expressed genes,
representing 10% cross over
(2) A unit of distance between two expressed genes,
representing 100% cross over
(3) A unit of distance between genes on
chromosomes, representing 1% cross over
(4) A unit of distance between genes on
chromosomes, representing 50% cross over
Ans. (3)
102. Select the hormone-releasing Intra-Uterine Devices?
(1) Vaults, LNG-20
(2) Multiload 375, Progestasert
(3) Progestasert, LNG-20
(4) Lippes Loop, Multiload 375
Ans. (3)
103. Which of the following can be used as a biocontrol
agent in the treatment of plant disease ?
(1) Trichoderma
(2) Chlorella
(3) Anabaena
(4) Lactobacillus
Ans. (1)
104. Expressed Sequence Tages (ESTs) refers to :-
(1) Genes expressed as RNA
(2) Polypeptide expression
(3) DNA polymorphism
(4) Novel DNA sequences
Ans. (1)
105. Colostrum, the yellowish fluid, secreted by mother
during the initial days of lactation is very essential
to impart immunity to the newborn infants because
it contains :-
(1) Natural killer cells
(2) Monocytes
(3) Macrophages
(4) Immunoglobulin A
Ans. (4)
106. Select the incorrect statement :-
(1) Inbreeding increases homozygosity
(2) Inbreeding is essential to evolve purelines in any
animal
(3) Inbreeding selects harmful recessive genes that
reduce fertility and productivity
(4) Inbreeding helps in accumulation of superior
genes elimination of undesirable genes
Ans. (3)
107. Select the correct sequence of transport of sperm
cells in male reproductive system :-
(1) Testis ® Epididymis ® Vasa efferentia ® Rete
testis ® Inguinal canal ® Urethra
(2) Seminiferous tubules ® Rete testis  ® Vasa
efferentia ® Epididymis ® Vas deferens  ®
Ejaculatory duct ® Urethra ® Urethral meatus
(3) Seminiferous tubules ® Vasa efferentia ®
Epididymis ® Inguinal canal ® Urethra
(4) Testis ® Epididymis ® Vasa efferentia ® Vas
deferens ®  Ejaculatory duct ® Inguinal canal
® Urethra  ® Urethral meatus
Ans. (2)
108. A gene locus has two alleles A, a. If the frequency
of dominant allele A is 0.4 then what will be the
frequency of homozygous dominant, heterozygous
and homozygous recessive individuals in the
population ?
(1) 0.36 (AA); 0.48(Aa); 0.16 (aa)
(2) 0.16 (AA); 0.24 (Aa); 0.36 (aa)
(3) 0.16 (AA); 0.48 (Aa); 0.36 (aa)
(4) 0.16 (AA); 0.36 (Aa); 0.48 (aa)
Ans. (3)
109. Match the following organisms with their respective
characteristics :-
(a) Pila (i) Flame cells
(b) Bombyx (ii) Comb plates
(c) Pleurobrachia (iii) Radula
(d) Taenia (iv) Malpighian tubules
Select the correct option from the following
(a) (b) (c) (d)
(1) (iii) (ii) (i) (iv)
(2) (iii) (iv) (ii) (i)
(3) (ii) (iv) (iii) (i)
(4) (iiii) (ii) (iv) (i)
Ans. (2)
110. The shorter and longer arms of a submetacentric
chromosome are referred to as :-
(1) s-arm and l-arm respectively
(2) p-arm and q-arm respectively
(3) q-arm and p-arm respectively
(4)  m-arm and n-arm respectively
Ans. (2)
111. What is the site of perception of photoperiod
necessary for induction of flowering in plants :-
(1) Lateral buds (2) Pulvinus
(3) Shoot apex (4) Leaves
Ans. (4)
3
112. Which part of the brain is responsible for
thermoregulation ?
(1) Cerebrum (2) Hypothalamus
(3) Corpus callosum (4) Medulla oblongata
Ans. (2)
113. Which of the following pair of organelles does not
contain DNA :-
(1) Mitochondria and Lysosomes
(2) Chloroplast and Vacuoles
(3) Lysosomes and Vacuoles
(4) Nuclear envelope and Mitochondria
Ans. (3)
114. What is the genetic disorder in which an individual
has an overall masculine development,
gynaecomastia, and is sterile ?
(1) Turner's syndrome
(2) Klinefelter's syndrome
(3) Edward syndrome
(4) Down's syndrome
Ans. (2)
115. Xylem translocates :-
(1) Water only
(2) Water and mineral salts only
(3) Water , mineral salts and some organic nitrogen
only
(4) Water , mineral salts, some organic nitrogen and
hormones
Ans. (4)
116. Which of the following pairs of gases is mainly
responsible for green house effect?
(1) Ozone and Ammonia
(2) Oxygen and Nitrogen
(3) Nitrogen and Sulphur dioxide
(4) Carbon dioxide and Methane
Ans. (4)
117. Which of the following protocols did aim for reducing
emission of chloroflurocarbons into the atmosphere?
(1) Montreal protocol
(2) Kyoto protocol
(3) Gothenburg Protocol
(4) Geneva Protocol
Ans. (1)
118. Is some plants, the female gamete develops into
embryo without fertilization. This phenomenon is
known as :
(1) Autogamy (2) Parthenocarpy
(3) Syngamy (4) Parthenogenesis
Ans. (4)
119. Which of the following sexually transmitted diseases
is not completely curable ?
(1) Gonorrhoea
(2) Genital warts
(3) Genital herpes
(4) Chlamydiasis
Ans. (3)
120. Which of the following immune responses is
responsible for rejection of kidney graft?
(1) Auto- immune respones
(2) Humoral immune response
(3) Inflammatory immune response
(4) Cell-mediated immune response
Ans. (4)
121. Which of the following factors is responsible for the
formation of concentrated urine?
(1) Low levels of antidiuretic hormone.
(2) Maintaining hyperosmolarity towards inner
medullary interstitium in the kidneys.
(3) Secretion of erythropoietin by juxtaglomerular
complex.
(4) Hydrostatic pressure during glomerular filtration.
Ans. (2)
122. Which of the following features of genetic code does
allow bacteria to produce human insulin by
recombinant DNA technology?
(1) Genetic code is not ambiguous
(2) Genetic code is redundant
(3) Genetic code is nearly universal
(4) Genetic code is specific
Ans. (3)
123. Which of the following statements is not correct?
(1) Lysosomes have numerous hydrolytic enzymes.
(2) The hydrolytic enzymes of lysosomes are active
under acidic pH.
(3) Lysosomes are membrane bound structures.
(4) Lysosomes are formed by the process of
packaging in the endoplasmic reticulum.
Ans. (4)
124. The concept of " Omnis cellula-e cellula" regarding
cell division was first proposed by:
(1) Rudolf Virchow
(2) Theodore Schwann
(3) Schleiden
(4) Aristotle
Ans. (1)
4
 
125. Use of an artificial kidney during  hemodialysis may
result in :
(a) Nitrogenous waste build-up in the body
(b) Non-elimination of excess potassium ions
(c) Reduced absorption of calcium ions from gastro-
intestinal tract
(d) Reduced RBC production
Which of the following options is the most
appropiate?
(1) (a) and (b) are correct
(2) (b) and (c) are correct
(3) (c) and (d) are correct
(4) (a) and (d) are correct
Ans. (3)
126. What is the direction of movement of sugars in
phloem?
(1) Non-multidirectional
(2) Upward
(3)  Downward
(4) Bi-directional
Ans. (4)
127. Which of the following muscular disorders is
inherited ?
(1)  Tetany
(2) Muscular dystrophy
(3) Myasthenia gravis
(4) Botulism
Ans. (2)
128. Consider following features:
(a) Organ system level of organisation
(b) Bilateral symmetry
(c) True coelomates with segmentation of body
Select the correct option of animal groups which
possess all the above  characteristics.
(1) Annelida, Arthropoda and Chordata
(2) Annelida, Arthropoda and Mollusca
(3) Arthropoda , Mollusca and Chordata
(4) Annelida, Mollusca and Chordata
Ans. (1)
129. The frequency of recombination between gene pairs
on the same chromosome as a measure of the
distance between genes was explained by :
(1) T.H. Morgan
(2) Gregor J. Mendel
(3) Alfred Sturtevant
(4) Sutton Boveri
Ans. (3)
130. Following statements describe the characteristics of
the enzyme Restriction endonuclease. Identify the
incorrect statement.
(1) The enzyme cuts DNA molecule at identified
position within the DNA
(2) The enzyme binds DNA at specific sites and cuts
only one of the two strands.
(3) The enzyme cuts the sugar-phosphate backbone
at specific sites on each strand.
(4) The enzyme recognizes a specific palindromic
nucleotide sequence in the DNA
Ans. (2)
131. Which of the following statements is incorrect?
(1) Morels and truffles are edible delicacies.
(2) Claviceps is a source of many alkaloids and LSD.
(3) Conidia are produced exogenously and
ascospores endogenously.
(4) Y easts have filamentous bodies with long thread-
like hyphae.
Ans. (4)
132. Placentation, in which ovules develop on the inner
wall of the ovary or in peripheral part, is :
(1) Basal
(2) Axile
(3) Parietal
(4) Free central
Ans. (3)
133. Which of the following is the most important causes
for animals and plants being driven to extinction?
(1) Habitat loss and fragmentation
(2) Drought and floods
(3) Economic exploitation
(4) Alien species invasion
Ans. (1)
134. V ariations caused by mutation, as proposed by Hugo
de Vries, are
(1) random and directional
(2) random and directionless
(3) small and directional
(4) small and directionless
Ans. (2)
135. Respiratiory Quotient (RQ) value of tripalmitin is :
(1) 0.9 (2) 0.7
(3) 0.07 (4) 0.09
Ans. (2)
5
136. In Antirrhinum (Snapdragon), a red flower was
crossed with a white flower and in F
1
 generation,
pink flowers were obtained. When pink flowers
were selfed, the F
2
 generation showed white, red
and pink flowers. Choose the incorrect statement
from the following :
(1) This experiment does not follow the Principle of
Dominance
(2) Pink colour in F
1
 is due to incomplete dominance.
(3) Ratio of F
2
 is 
1
4
 (Red) : 
2
4
(Pink): 
1
4
(White)
(4) Law of Segregation does not apply in this
experiment.
Ans. (4)
137. Select the incorrect statement.
(1) Male fruit fly is heterogametic.
(2) In male grasshoppers, 50% of sperms have no
sex-chromosome.
(3) In domesticated fowls sex of progeny depends
on the type of sperm rather than egg.
(4) Human males have one of their sex-chromosome
much shorter than the other.
Ans. (3)
138. The correct sequence of phases of cell cycle is :
(1) M® G
1
 ® G
2
® S
(2) G
1
® G
2
 ® S® M
(3) S® G
1
 ® G
2
® M
(4) G
1
® S ® G
2
® M
Ans. (4)
139. Thiobacillus is a group of bacteria helpful in carrying
out :
(1) Nitrogen fixation
(2) Chemoautotrophic fixation
(3) Nitrification
(4) Denitrification
Ans. (4)
140. Polyblend, a fine powder of recycled modified
plastic, has proved to be a good material for:
(1) making plastic sacks
(2) use as a fertilizer
(3) construction of roads
(4) making tubes and pipes
Ans. (3)
141. From evolutionary point of view, retention of the
female gametophyte with developing young embryo
on the parent sporophyte for some time, is first
observed in :
(1) Liverworts (2) Mosses
(3) Pteridophytes (4) Gymnosperms
Ans. (3)
142. Select the correct option .
(1)8
th
, 9
th
 and 10
th 
pairs of ribs articulate directly
with the sternum.
(2) 11
th
 and 12
th 
pairs of ribs are connected to the
sternum with the help of hyaline cartilage.
(3) Each rib is a flat thin bone and all the ribs are
connected dorsally to the thoracic vertebrae and
ventrally to the sternum.
(4) There are seven pairs of vertebrosternal, three
pairs of vertebrochondral and two pairs of
vertebral ribs.
Ans. (4)
143. Concanavalin A is :
(1) an alkaloid (2) an essential oil
(3) a lectin (4) a pigment
Ans. (3)
144. Extrusion of second polar body from egg nucleus
occurs :
(1) after entry of sperm but before fertilization
(2) after fertilization
(3) before entry of sperm into ovum
(4) simultaneously with first cleavage
Ans. (1)
145. Pinus seed cannot germinate and establish without
fungal association. This is because :
(1) its embryo is immature
(2) it has obligate association with mycorrhizae.
(3) it has very hard seed coat.
(4) its seeds contain inhibitors that prevent
germination .
Ans. (2)
146. The Earth Summit held in Rio de Janeiro in 1992
was called :
(1) to reduce CO
2 
emissions and global warming.
(2) for conservation of biodiversity and sustainable
utilization of its benefits.
(3) to assess threat posed to native species by
invasive weed species.
(4) for immediate steps to discontinue use of CFCs
that were damaging the ozone layer.
Ans. (2)