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SRMJEEE Biology Mock Test - 9

35 Questions MCQ Test SRMJEEE Subject Wise & Full Length Mock Tests | SRMJEEE Biology Mock Test - 9

Description

Attempt SRMJEEE Biology Mock Test - 9 | 35 questions in 50 minutes | Mock test for JEE preparation | Free important questions MCQ to study SRMJEEE Subject Wise & Full Length Mock Tests for JEE Exam | Download free PDF with solutions

QUESTION: 1

Vascular bundles of monocot stem are

A.
Conjoint, collateral and open
B.
Conjoint, collateral and closed
C.
Conjoint, bicollateral and open
D.
Conjoint, concentric and closed

Solution:

QUESTION: 2

Bandipur (karnataka) National Park is site of

A.
Deer project
B.
Peacock project
C.
Elephant project
D.
Tiger project

Solution:

QUESTION: 3

Charas is obtained from

A.
male flowers of Crotalaria juncea
B.
female flowers of Euphorbia hirta
C.
female flowers of Ficus religiosa
D.
female flowers of Cannabis sativa

Solution:

QUESTION: 4

Which gas contributes most to greenhouse effect

A.
CFC
B.
Freon
C.
CO₂
D.
CH₄

Solution:

QUESTION: 5

Chromosome number of Down's syndrome/mongolism is

A.
46
B.
47
C.
45
D.
23

Solution:

QUESTION: 6

Which mineral is essential for coagulation to occur?

A.
Mg²⁺
B.
Ca²⁺
C.
Na⁺
D.
Fe²⁺

Solution:

QUESTION: 7

In the production of test tube babies :

A.
Fertilization is external but foetus formation is internal
B.
Fertilization is internal but foetus formation is external
C.
Fertilization and foetus formation are external
D.
Fertilization and foetus formation are internal

Solution:

QUESTION: 8

Increasing the secretion of insulin would have which of the following effects?

A.
Decreased blood sugar
B.
Decreased metabolic rate
C.
Increased protein synthesis
D.
Increased digestion of carbohydrate

Solution:

QUESTION: 9

The term aquaculture means

A.
aspergillosis
B.
marine fisheries
C.
inland fisheries
D.
both '2' and '3'

Solution:

QUESTION: 10

Polo game is played with the help of

A.
camel
B.
donkey
C.
horse
D.
cock

Solution:

QUESTION: 11

Common origin of man and chimpanzee is shown by

A.
Chromosome number
B.
Dental formula
C.
Cranial capacity
D.
Binocular vision

Solution: The chromosomes of man and chimpanzees are quite similar. The number of chromosomes in chimpanzee is 48 and in man is 46, which become reduce due to fusion of 2 pairs of chromosomes.

QUESTION: 12

During cleavage size of :

A.
early embryo increases
B.
early embryo decreases
C.
resulting cells increases
D.
resulting cells decreases

Solution:

QUESTION: 13

Which one is correct matching

A.
Anticodon-site of tRNA having complementary bases to a codon of mRNA
B.
Transcription-synthesis protein
C.
Ribosomal RNA-carries amino acid to site of protein synthesis
D.
Translation-process of mRNA carrying information from nucleus to ribosome

Solution:

QUESTION: 14

Axial filament of sperms is formed by :

A.
distal centriole
B.
proximal centriole
C.
mitochondrial spiral
D.
DNA

Solution:

QUESTION: 15

Clover leaf secondary structure of tRNA has a loop for

A.
Three nuleotides of a codon
B.
Three nucleotides of an anticodon
C.
No nucleotides
D.
Both A and B

Solution:

QUESTION: 16

Structure involved in genetic engineering is

A.
Plastid
B.
Restriction endonuclease
C.
DNA polymerase I
D.
Prochromosome

Solution:

QUESTION: 17

The F₁ test cross ratio is

A.
1:1
B.
3:1
C.
2:1
D.
1:3

Solution:

QUESTION: 18

A self-fertilizing trihybrid plant forms :

A.
4 different gametes and 16 different zygotes
B.
8 different gametes and 32 different zygotes
C.
8 different gametes and 64 different zygotes
D.
8 different gametes and 16 different zygotes

Solution:

The genotype of trihybrid would be AaBbCc.
Eight different types of gametes ABC,ABc,AbC,Abc,aBC,aBc,abC,abc would be formed.
The number of zygotes would be 8² = 64.

QUESTION: 19

Cardiac muscles are of the type

A.
myofibrils, are large and distinct
B.
striped, skeletal muscles
C.
elongated, spindle shaped with tapering ends
D.
long, cylindrical and branched to form a network

Solution:

QUESTION: 20

The muscles responsible to move the eye ball are the

A.
2 recti and 4 oblique muscles
B.
2 oblique and 4 recti muscles
C.
2 recti and 2 oblique muscles
D.
4 recti and 4 oblique muscles

Solution:

QUESTION: 21

Stimulus several times greater than threshold stimulus is provided to muscle fibre. It will

A.
Contract with same force
B.
Contract forcefully
C.
Contract slightly
D.
Undergo tetany

Solution:

QUESTION: 22

The parasympathetic nervous system

A.
Controls the central nervous system
B.
Lowers blood pressure and promote digestion
C.
Uses noradrenalin as the neurotransmitter at synapses
D.
Initiates the fight or flight response in times of stress

Solution:

QUESTION: 23

Possible early source of energy was

A.
Chlorophyll
B.
CO₂
C.
UV radiations and lightning
D.
Green plants

Solution:

QUESTION: 24

Conversion of ATP to ADP produces

A.
Electricity
B.
Energy
C.
Hormones
D.
Enzymes

Solution:

QUESTION: 25

Hyponastic movement is observed in the leaves of

A.
Cycas and Crocus
B.
Ulothrix and Cladophora
C.
Drosera and Dionaea
D.
Volvox and Chalmydomonas

Solution:

QUESTION: 26

Fertilisers added to fresh water will cause

A.
Death of plants
B.
Decrease in fish population
C.
Increase in aquatic animals
D.
Eutrophication

Solution:

QUESTION: 27

Conductivity part of phloem according to Haberlandt (1914) is

A.
Sterom
B.
Hadrom
C.
Leptom
D.
Bark

Solution:

QUESTION: 28

The part of a sperm cell containing the greatest number of mitochondria is the

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

Solution:

QUESTION: 29

Normally menstruation occurs when

A.
Blood levels of FSH fall
B.
Blood levels of estrogen and progesterone decrease
C.
Blood levels of estrogen and progesterone increase
D.
The corpus luteum secretes estrogens

Solution:

QUESTION: 30

Respiration is

A.
Catabolic process that uses carbon dioxide, produces oxygen and converts released energy to ATP
B.
Anabolic process that uses oxygen and cabon dioxide to form ATP
C.
Anabolic process that uses oxygen, produces carbon dioxide and converts released energy into ATP
D.
Catabolic process that uses oxygen, produces carbon dioxide and converts released energy into ATP