Question 1
4 / -1

By chemical nature, hormones are never :

A
steroids

B
amino acid derivatives

C
proteins

D
monosaccharide derivatives

Question 2
4 / -1

What is 'resource partitioning' and how does it help species co-exist?

A
It refers to species dividing resources like food or space to reduce competition.

B
It is a process where one species eliminates another due to competitive superiority.

C
It enables species to share the same habitat without harm.

D
It allows species to access the same resource in the exact same way and at the same time.

Question 3
4 / -1

Role of thymus in homo sepiens is chiefly concerned with :-

A
Reproduction

B
Immunology

C
Calcium balance

D
Blood coagulation

Question 4
4 / -1

Primary succession occurs on

A
area destroyed due to forest fire

B
newly formed river delta

C
harvested crop field

D
all of these

Question 5
4 / -1

Darwin judged the fitness of an individual by

A
Dominance over other individual

B
Strategy to obtain food

C
Ability to defend itself

D
Number of offspring

Question 6
4 / -1

Match List I with List II.

Choose the correct answer from the options given below.

A
A-I, B-II, C-III, D-IV

B
A-I, B-II, C-IV, D-III

C
A-III, B-IV, C-I, D-II

D
A-II, B-III, C-I, D-IV

Question 7
4 / -1

In a life table, the number of individuals alive at the beginning of the 1 st year to 2 nd year interval is 800. During this interval, 200 individuals die. The death rate for this interval is

A
0.25

B
200

C
800

D
0.2

Question 8
4 / -1

Assertion: The somatic nervous system regulates involuntary functions of the body.

Reason: The somatic nervous system is divided into the sympathetic and parasympathetic systems.

A
Both Assertion and Reason are correct, and Reason is the correct explanation of Assertion.

B
Both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

C
Assertion is correct, but Reason is incorrect.

D
Both Assertion and Reason are incorrect.

Question 9
4 / -1

Match the following:

Hormone:

a) Parathormone

b) Oxytocin

c) Sex hormone

d) Norepinephrine

Nature:

i) polypeptide

ii) amino acid derivative

iii) peptide

iv) steroid

Choose the correct matching.

A
a)-i, b)-iii, c)-iv, d)-ii

B
a)-iii, b)-ii, c)-i, d)-iv

C
a)-iii, b)-iv, c)-ii, d)-i

D
a)-ii, b)-iii, c)-iv, d)-i

Question 10
4 / -1

About 70% of total global carbon is found in

A
oceans

B
forests

C
grasslands

D
agroecosystems

Submit Test

Biology Test 36...

Question 1

steroids

amino acid derivatives

proteins

monosaccharide derivatives

Question 2

It refers to species dividing resources like food or space to reduce competition.

It is a process where one species eliminates another due to competitive superiority.

It enables species to share the same habitat without harm.

It allows species to access the same resource in the exact same way and at the same time.

Question 3

Reproduction

Immunology

Calcium balance

Blood coagulation

Question 4

area destroyed due to forest fire

newly formed river delta

harvested crop field

all of these

Question 5

Dominance over other individual

Strategy to obtain food

Ability to defend itself

Number of offspring

Question 6

A-I, B-II, C-III, D-IV

A-I, B-II, C-IV, D-III

A-III, B-IV, C-I, D-II

A-II, B-III, C-I, D-IV

Question 7

0.25

200

800

0.2

Question 8

Both Assertion and Reason are correct, and Reason is the correct explanation of Assertion.

Both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

Assertion is correct, but Reason is incorrect.

Both Assertion and Reason are incorrect.

Question 9

a)-i, b)-iii, c)-iv, d)-ii

a)-iii, b)-ii, c)-i, d)-iv

a)-iii, b)-iv, c)-ii, d)-i

a)-ii, b)-iii, c)-iv, d)-i

Question 10

oceans

forests

grasslands

agroecosystems

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