1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Select the correct statement regarding mutation theory of evolution.

A
Large differences due to mutations arise gradually in a population
B
This theory was proposed by Alfred Wallace
C
Variations are small directional changes
D
Single step large mutation is a cause of speciation
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Excretion in cockroach is performed by all, EXCEPT:

A
Hepatic caeca
B
Urecose glands
C
Malpighian tubules
D
Fat body
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Select the correct statements.

(a) Angiotensin II activates the cortex of adrenal gland to release aldosterone.

(b) Aldosterone leads to increase in blood pressure.

(c) ANF acts as a check on renin-angiotensin mechanism.

(d) ADH causes vasodilation.

(e) Vasopressin is released from adenohypophysis.

Choose the most appropriate answer from the options given below :

A
(a), (b) and (c) only
B
(a), (b) and (e) only
C
(c), (d) and (e) only
D
(b), (c) and (d) only
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

If A and C make 30% and 20% of DNA, respectively, what will be the percentage composition of T and G?

A
T : 20%, G : 20%
B
T : 20%, G : 30%
C
T : 30%, G : 20%
D
T : 30%, G : 30%
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