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VITEEE Biology Test - 2

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40 Questions MCQ Test VITEEE: Subject Wise and Full Length MOCK Tests | VITEEE Biology Test - 2

VITEEE Biology Test - 2 for JEE 2023 is part of VITEEE: Subject Wise and Full Length MOCK Tests preparation. The VITEEE Biology Test - 2 questions and answers have been prepared according to the JEE exam syllabus.The VITEEE Biology Test - 2 MCQs are made for JEE 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for VITEEE Biology Test - 2 below.

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VITEEE Biology Test - 2 - Question 1

Dicot root differs from monocot root in one of the following

A.
Presence of piliferous layer
B.
Presence of exodermis
C.
Presence of ill developed pith
D.
Separate radial vascular bandles

VITEEE Biology Test - 2 - Question 2

What distinguishes an insects from crustacean?

A.
Number of eyes
B.
Presence of wings
C.
Number of appendages
D.
Arrangement of nerve cords

VITEEE Biology Test - 2 - Question 3

Which of the following is considered as a universal solvent ?

A.
ether
B.
water
C.
alcohol
D.
all of these

VITEEE Biology Test - 2 - Question 4

What happens during atrial diastole?

A.
Atria fill with blood
B.
Semi-lunar valves close
C.
Ventricles fill with blood
D.
Atrioventricular valves open.

VITEEE Biology Test - 2 - Question 5

Amyloplasts store

A.
Glycogen
B.
Starch
C.
Fat
D.
Protein

VITEEE Biology Test - 2 - Question 6

Gram (-) bacteria differ from Gram (+) bacteria in having

A.
Thick wall
B.
Complex wall
C.
Simple wall
D.
Absence of wall lipids

VITEEE Biology Test - 2 - Question 7

One of the following organelle releases oxygen

A.
Mitochondria
B.
Ribosomes
C.
Nucleus
D.
Chloroplast

VITEEE Biology Test - 2 - Question 8

Relatively more abundant animals of desert ecosystem are

A.
Arboreal
B.
Fossorial
C.
Diurnal
D.
Aquatic

VITEEE Biology Test - 2 - Question 9

The commercial jute fibres are

A.
phloem fibres
B.
xylem fibres
C.
interxylary fibres
D.
None of these

VITEEE Biology Test - 2 - Question 10

Which of these pairs is vestigeal?

A.
Coccyx and ear pinna muscles
B.
Coccyx and premolar
C.
Facial hair in ladies
D.
Coccyx and intercostal muscles

VITEEE Biology Test - 2 - Question 11

Which are not homologous?

A.
Fore arm of humans and fins of fishes
B.
Wings of bat and insects
C.
Fins of fishes and flippers of Whales
D.
Human fore arms, Bat's wings and flippers of Whale

VITEEE Biology Test - 2 - Question 12

Which is the correct order of evolution?

A.
Leucosolenia-Hydra-amoeba-Ascaris
B.
Ascaris-Amoeba-Leucosolenia-Hydra
C.
Amoeba-Leucosolenia-Hydra-Ascaris
D.
None of these

VITEEE Biology Test - 2 - Question 13

The enzyme responsible for transcription is

A.
DNA polymerase
B.
RNA polymerase
C.
RNA polymerase-I
D.
RNA polymerase-II

VITEEE Biology Test - 2 - Question 14

Hargobind Khorana was awarded Nobel Prize for

A.
Deciphering genetic code
B.
Artificial gene synthesis
C.
Nucleotide sequence of tRNA
D.
Discovery of transposons

VITEEE Biology Test - 2 - Question 15

Which disease is spread by activation of oncogenes ?

A.
Cholera
B.
TB
C.
Cancer
D.
Viral flu

VITEEE Biology Test - 2 - Question 16

Cross between a homozygous black rough (BBRR) guinea pig and a homozygous white smooth guinea pig (bbrr) produced F₁ progeny all black and rough. Assuming that the black colour is dominant over white skin and rough skin is dominant over smooth skin and the two genes involved are present on different chromosomes. The percentage of F₂ individuals which are heterozygous for both the gene pairs would be :

A.
25%
B.
50%
C.
75%
D.
35%

VITEEE Biology Test - 2 - Question 17

Which of the following is releated to haemophilia ?

A.
Night blindness
B.
Colour blindness
C.
Cataract
D.
None of these

VITEEE Biology Test - 2 - Question 18

Percentage of heterozygous individuals obtained from selfing Rr individuals is :

A.
25
B.
75
C.
50
D.
100

VITEEE Biology Test - 2 - Question 19

Duchenne's muscular dystrophy is a

A.
Dominant sex-linked disorder
B.
Recessive sex-linked disorder
C.
Dominant autosomal disorder
D.
Recessive autosomal disorder

VITEEE Biology Test - 2 - Question 20

During allergic reaction, which one is secreted?

A.
Histamine
B.
Immunglobulin
C.
Pyrogens
D.
Allergen

VITEEE Biology Test - 2 - Question 21

Active immunity means

A.
Resistance developed before disease
B.
Resistance developed after disease
C.
Increased heart beat
D.
Increased flow of blood

VITEEE Biology Test - 2 - Question 22

A person has developed interferon in his body. He seems to carry infection of

A.
Tetanus
B.
Malaria
C.
Measles
D.
Typhoid

Detailed Solution for VITEEE Biology Test - 2 - Question 22 Interferons r formed in the body when virus infect our body and in the above options measles is the only viral disease other 3 are bacterial disease so correct option is C

VITEEE Biology Test - 2 - Question 23

Primary roots in plants are

A.
Positively geotropic
B.
Positively hydrotropic
C.
Negative geotropic
D.
Negative Chemotropic

VITEEE Biology Test - 2 - Question 24

Amphivasal or leptocentric vascular bundles are found in

A.
Cycas and dryopteris
B.
Dracaena and yucea
C.
Helianthus and cucurbita
D.
Maize and wheat

VITEEE Biology Test - 2 - Question 25

The roots form horny branches in

A.
Asparagus
B.
Moringa
C.
Acanthorhiza
D.
all of these

VITEEE Biology Test - 2 - Question 26

Ferredoxin in

A.
Phenol
B.
Protein
C.
Fat
D.
Carbohydrate

VITEEE Biology Test - 2 - Question 27

Which one of the following substances plays an important role in biochemical defence of host plants?

A.
Mycotoxin
B.
Phytoalexin
C.
Pathotoxin
D.
Vivotoxin

VITEEE Biology Test - 2 - Question 28

Tissue culture technique can produce indefinite number of new plants from a small parental tissue. The economic importance of the technique is in raising.

A.
Variants through picking up somaclonal variations
B.
Genetically uniform population of an elite species
C.
Homozygous diploid plants
D.
Development of new species

VITEEE Biology Test - 2 - Question 29

Elongated lignified cells with pointed end walls belong to

A.
Collenchyma
B.
Sclereids
C.
Sclerenchyma
D.
Parenchyma

VITEEE Biology Test - 2 - Question 30

The first nuclear explosion was conducted by

A.
U.S.A
B.
Russia
C.
China
D.
India

VITEEE Biology Test - 2 - Question 31

Water blooms are formed by

A.
Lemna
B.
Hydrilla
C.
Water Hyacinth
D.
Planktonic algae

VITEEE Biology Test - 2 - Question 32

Destruction of nucleus in Amoeba results in :

A.
No change
B.
Quick locomotion
C.
Slowing down of metabolic activity and ultimate death
D.
Immediate death

VITEEE Biology Test - 2 - Question 33

Which one is not biodegradable

A.
Radioactive substances
B.
Bagasse
C.
Molasses
D.
Agricultural wastes

VITEEE Biology Test - 2 - Question 34

The sperm penetrates the egg by means of enzymes that are found in the

A.
Tail
B.
Head
C.
Acrosome
D.
Mid-piece

VITEEE Biology Test - 2 - Question 35

One of the following plant turns to a brown ball during drought (adapted to drought) but turns green just with the first shower

A.
Mangifera indica
B.
Ipomoea batattas
C.
Selaginella lepidophylla
D.
Ficus elastica

VITEEE Biology Test - 2 - Question 36

Darwin's theory does not include

A.
natural selection
B.
survival of the fittest
C.
evolution through inheritance
D.
struggle for existence

VITEEE Biology Test - 2 - Question 37

Dark coloured Peppered Moth is able to survive in industrial areas as compared to light coloured form because of

A.
High fecundity
B.
Mimicry
C.
Natural selection in smoky environment
D.
Lethal mutation

VITEEE Biology Test - 2 - Question 38

"Human population grows in geometric ratio while food materials increase in arithemetic proportion." It is a statement from

A.
Darwin
B.
Bateson
C.
Amritya Sen
D.
Malthus

VITEEE Biology Test - 2 - Question 39

Which of the following would increase as ADH levels rise?

A.
Blood volume
B.
Glucose levels in the plasma
C.
Amount of urine in the Bladder
D.
Urea concentration in the plasma

VITEEE Biology Test - 2 - Question 40

Which hormone is released when the salt concentration in the blood increases?

A.
Gastric
B.
Thyroxin
C.
Antidiuretic hormone (ADH)
D.
Adrenocorticotropic hormone (ACTH).

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