Question

12 HEREDITY AND EVOLUTION

MULTIPLE CHOICE QUESTIONS (MCO'S) :-

1. Which of the following is a totally impossible outcome of Mendel's experiment (cross breeding pure
tall and short pea plants)
a) 3 tall and 1 short plant
b) 8 tall and 0 short plants
c) 24 tall and 8 short plants d) 4 tall plants and medium height plant

2. Exchange of genetic material takes place in
a) Vegetative reproduction
b) Sexual reproduction
c) Asexual reproduction
d) Budding

3. Two pink colored flowers on crossing resulted in 1 red, 2 pink and 1 white flower progeny. The nature
of the cross will be
a) Double fertilization
b) cross fertilization
c) Self-pollination
d) no fertilization

4. If a round green seeded pea plant (RRyy) is crossed with wrinkled yellow seeded pea plant (rrYY) the
seeds produced in F1 generation are
a) Round and yellow
b) wrinkled and green
c) Round and green
d) wrinkled and yellow

5. The maleness of a child is determined by
a) The X chromosome in the zygote
b) The Y chromosome in zygote
c) The cytoplasm of germ cell which determines the sex
d) Sex is determined by chance

Plz answer it fast and follow me​

Answer 1

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❥4 tall plant and medium height plant ❤️

❥Sexual reproduction❤️

❥Double fertilization ❤️

❥Round and yellow❤️

❥The y chromosome in zygote❤️