Free Principles Of Inheritance And Variation (Daily Quiz: 1) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Chromosome complement with 2n – 1 is called

(a) Nullisomy

(b) Trisomy

(c) Monosomy

(d) Tetrasomy

Question-2

Mendelian rediscoverers are

(a) Correns, Germany

(b) De Vries, Holland

(c) Von Tschermak, Austria

(d) All of these

Question-3

When heterozygous tall plants are self-pollinated, then tall and dwarf plants are obtained. This explains

(a) Segregation of law

(b) Law of purity of gamete

(c) Division in spores

(d) Independent assortment

Question-4

Red (RR) Antirrhinum is crossed with white (WW) one. Offspring RW are pink. This is an example of

(a) hybrid

(b) incomplete dominance

(c) dominant -recessive

(d) supplementary genes

Question-5

Assertion (A) True breeding lines have stable trait inheritance for several generations.
Reason (R) Mendel conducted cross-pollination experiments on true breeding lines.

(a) If both A and R are true, but R is not the correct explanation of A

(b) If both A and R are true and R is the correct explanation of A

(c) If A is true, but R is false

(d) If A is false, but R is true