Top 150+ Solved Sexual Reproduction in Flowering Plants MCQ Questions Answer
Q. Transfer of a pollen grain to the stigma of the same plant is called
a. Antogamy
b. Geitonogamy
c. Allogamy
d. Homogamy
Q. The uppermost and largest cell of the suspensor which remains in contact with apical cells is called
a. Hypocotyl
b. Basal cell
c. Hypophysis
d. Terminal cell
Q. Which of the following cell is diploid?
a. Synergid
b. Antipodal cell
c. Secondary nucleus
d. Egg cell
Q. Suspensor is produced from
a. Apical cell
b. Small upper basal cell
c. large lower basal cell
d. Hypophysis
Q. Which structure pushes the developing embryo toward endosperm to get nutrition ?
a. Hypophysi
b. Terminal octant
c. Proembryo
d. Suspensor
Q. Development of male gametophyte begins
a. After pollinatio
b. Before pollination
c. On the stigma
d. In the embryo sac
Q. 2 to 3 celled male gametophyte, starts its further development after pollination
a. In the style
b. In the ovary
c. on the stigma
d. In the ovule
Q. Which part of the male gametophyte, disintegrates before fertilization ?
a. Generative nucleu
b. Tube nucleus
c. Male gamete
d. Germpore
Q. In dicot embrogenesis, the firast division in zygote is generally
a. oblique
b. longitudinal
c. Transverse
d. uncertain
Q. Two male gametes are
a. produced before pollination
b. Haploid
c. Diploid
d. At the time of pollination
Q. The innermost layer of the wall of microsporangium is called
a. Endothecium
b. Endodermis
c. Tapetum
d. Intine
Q. Pollen grains represent
a. The future sporophyte
b. The sporophyte
c. The gametophyte
d. The male gametophyte
Q. Tapetum provides
a. protection to embryo
b. Nourishment to pollen grains
c. Nourishment to embryo
d. Protection to endosperm