MEDIUM
12th CBSE
IMPORTANT
Earn 100

Among the five factors that are known to affect Hardy-Weinberg equilibrium, three factors are gene flow, genetic drift and genetic recombination. What are the other two factors?

Important Questions on Evolution

MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>VERY SHORT ANSWER TYPE QUESTIONS>Q 12
What is founder effect?
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>VERY SHORT ANSWER TYPE QUESTIONS>Q 13
Who among the Dryopithecus and Ramapithecus was more man-like?
EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>VERY SHORT ANSWER TYPE QUESTIONS>Q 14

Name the following.

The scientific name of the first hominid.

EASY
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>VERY SHORT ANSWER TYPE QUESTIONS>Q 15
Among Ramapithecus, Australopithecus and Homo habilis, who probably did not eat meat?
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>SHORT ANSWER TYPE QUESTIONS>Q 1
Louis Pasteur's experiments, if you recall, proved that life can arise from only pre-existing life. Can we correct this as life evolves from pre-existent life or otherwise we will never answer the question as to how the first forms of life arose? Comment.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>SHORT ANSWER TYPE QUESTIONS>Q 2
The scientists believe that evolution is gradual. But extinction, part of evolutionary story, are 'sudden' and 'abrupt' and also group-specific. Comment whether a natural disaster can be the cause for extinction of species.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>SHORT ANSWER TYPE QUESTIONS>Q 3
Why is nascent oxygen supported to be toxic to aerobic life forms?
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>SHORT ANSWER TYPE QUESTIONS>Q 4

While creation and presence of variation is direction less, natural selection is directional as it is in the context of adaptation. Comment.