Sexual Reproduction In Flowering Plants 3-P-2
Question: In which group of plants is wind pollination commonly observed?
A. Lilies
B. Legumes
C. Grasses
D. Orchids
Answer: C. Grasses
What is the term for the pollination process when pollen is transferred from the anther of one flower to the stigma of another flower on the same plant?
A. Geitonogamy
B. Autogamy
C. Xenogamy
D. All of the above
Answer: A. Geitonogamy
What is the composition of the intine in a pollen grain?
A. Lipid and protein
B. Cellulose and Pectin
C. Pectin and Lignin
D. Lignin and Cutin
Answer: B. Cellulose and Pectin
What is the purpose of emasculation in the context of artificial hybridization?
A. Emasculation is the removal of anthers to prevent self-pollination.
B. Emasculation is the removal of female reproductive organs.
C. Emasculation is the removal of the stigma.
D. Emasculation is not necessary in artificial hybridization.
Answer: A. Emasculation is the removal of anthers to prevent self-pollination.
In plants that display self-incompatibility, what occurs when self-pollen interacts with the stigma?
A. Self-pollen is accepted and fertilization occurs.
B. Self-pollen is rejected, and fertilization is prevented.
C. Self-pollen forms a hybrid with other pollen.
D. Self-pollen becomes dormant.
BETA
