1. Which of the following structures are NOT involved in asexual reproduction? a. gametes
c. stem
b. root
d. tuber
2. A farmer grew only one type of onion. All of the onion plants died from the same disease.
What can be said on this onion plant population?
a. The onion plants were genetically identical.
b. Only few plants were resistant to the disease.
c. All of the onion plants were resistant to the disease.
d. The onion plants were genetically different from each other.
3. A farmer wants to propagate a good variety of crops in a way which maintained all its
desirable traits. Which of the following methods should be used?
a. self-pollination
b. vegetative propagation
c. growing seeds produced from this variety
d. cross-pollinating this crop with another good variety and growing the seeds resulting
from the cross.
4. A sperm unites with an egg cell to form a zygote. Which is process taking place?
a. asexual reproduction
c. pollination
b. fertilization
d. vegetative propagation​