Analogous organs arise due to

Important Questions on Evolution

EASY

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>MULTIPLE CHOICE QUESTIONS>Q 7

$(p+q{)}^2=p^2+2pq+q^2=1$ represents an equation used in

MEDIUM

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>MULTIPLE CHOICE QUESTIONS>Q 8

Appearance of antibiotic-resistant bacteria is an example of

EASY

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>MULTIPLE CHOICE QUESTIONS>Q 9

Evolution of life shows that life forms had a trend of moving from

EASY

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>MULTIPLE CHOICE QUESTIONS>Q 10

Viviparity is considered to be more evolved because

MEDIUM

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>MULTIPLE CHOICE QUESTIONS>Q 11

Fossils are generally found in

HARD

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>MULTIPLE CHOICE QUESTIONS>Q 12

For the MN-blood group system, the frequencies of M and N alleles are $0.7$and $0.3$ respectively. The expected frequency of MN-blood group bearing organisms is likely to be

EASY

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>MULTIPLE CHOICE QUESTIONS>Q 13

Which type of selection explains industrial melanism observed in the moth, Biston betularia?

HARD

12th CBSE

IMPORTANT

NCERT Exemplar Biology - Class 12>Chapter 7 - Evolution>MULTIPLE CHOICE QUESTIONS>Q 14

The most accepted line of descent in human evolution is