1
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
2
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
3
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
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following statements is not true?

A
Analogous structures are a result of convergent evolution
B
Sweet potato and potato is an example of analogy
C
Homology indicates common ancestry
D
Flippers of penguins and dolphins are a pair of homologous organs

NEET Subjects

Browse all chapters by subject