Question

Q1. Exchange of genetic material takes place in

(a) vegetative reproduction

(b) asexual reproduction

(c) sexual reproduction

(d) budding

Q2. Two pink coloured flowers on crossing resulted in 1 red, 2 pink

and 1 white flower progeny. The nature of the cross will be

(a) double fertilisation

(b) self-pollination

(c) cross-fertilisation

(d) no fertilization

Q3. A cross between a tall plant (TT) and short pea plant (tt) resulted

in progeny that were all tall plants because

(a) tallness is the dominant trait

(b) shortness is the dominant trait

(c) tallness is the recessive trait

(d) height of pea plant is not governed by gene ‘T’ or ‘t’

Q4. A zygote which has an X-chromosome inherited from the father

will develop into a

(a) boy

(b) girl

(c) X- chromosome does not determine the sex of a child

(d) either boy or girl

Q5. A basket of vegetables contains carrot, potato, radish and tomato.

Which of them represent the correct homologous structures?

(a) Carrot and potato (b) Carrot and tomato

(c) Radish and carrot (d) Radish and potato​

Answer 1

Answer:

Exchange of genetic material takes place in sexual reproduction

Answer 2

Answer:

Q1 --- OPTION C (SEXUAL REPRODUCTION)

Q2--- OPTION B (SELF POLLINATION)

Q3--- OPTION A ( TALLNESS IS THE DOMINANT TRAIT

Q4--- OPTION B GIRL

Q5--- OPTION D (RADISH AND POTATO)

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