1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement I: RNA mutates at a faster rate.

Statement II: Viruses having RNA genome and shorter life span mutate and evolve faster.

In the light of the above statements, choose the correct answer from the options given below:

A
Both Statement I and Statement II are false.
B
Statement I is true but Statement II is false.
C
Statement I is false but Statement II is true.
D
Both Statement I and Statement II are true.
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Panspermia, an idea that is still a favourite for some astronomers, means:

A
Transfer of spores as unit of life from other planets to Earth
B
Creation of life from dead and decaying matter
C
Creation of life from chemicals
D
Origin of sperm in human testes
3
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
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language

Natural selection where more individuals acquire specific character value other than the mean character value, leads to

A
Stabilising change
B
Directional change
C
Disruptive change
D
Random change

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