Free Evolution (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Disruptive selection ________.

(a) Does not favour intermediate forms of a trait

(b) Eliminates uncommon forms of alleles

(c) Shifts allele frequencies in a steady, consistent direction

(d) All the above

Question-2

Analogous structures are a result of

(a) divergent evolution

(b) shared ancestry

(c) stabilising selection

(d) convergent evolution

Question-3

Sequence of which of the following is used to know the phylogeny?

(a) tRNA

(b) mRNA

(c) rRNA

(d) DNA

Question-4

Which one of the following in birds, indicates their reptilian ancestry?

(a) Eggs with a calcareous shell

(b) Scales on their hind limbs

(c) Four-chambered heart

(d) Both (a) and (b)

Question-5

Which phenomena confined the pouched mammals to Australia they survived because of lack of competition from any other mammals?

(a) Continental shifting

(b) Continental origination

(c) Continental drift

(d) Continental evolution