Direction: Choose the best answer. Write the letter of your choice before each number.
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
5. In sexual reproduction, what is the source of the genetic material in a zygote?
a. an egg cell only c. a pollen and a sperm cell
b. a sperm cell only d. an egg cell and a sperm cell
6. Which species can produce offspring that are genetically different from their parents?
a. a species that has few variations
b. a species that reproduces sexually
c. a species that reproduces asexually
d. a species that competes with a similar species
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7. What is NOT a characteristic of sexual reproduction?
a. Gametes from two parents unite to form a zygote.
b. Offspring are genetically identical with the parent.
c. Offspring are different from their parents and siblings.
d. Genetic variability of offspring helps to ensure survival in changing environmental
conditions.
8. Which of the following is true about fertilization?
a. It is form of asexual reproduction.
b. No sex cells are needed for fertilization to occur.
c. One type of sex cell is needed for fertilization to occur.
d. Sperm cells and egg cells are needed for fertilization to occur.
9. Which of the following performs fertilization during reproduction?
a. chicken c. mushroom
b. hydra d. yeast
10. Which of the following reproduces by regeneration?
a. crab c. squid
b. sponge d. starfish
11. What happens after fertilization?
a. a zygote is formed c. a full-grown organism is formed
b. an egg is formed d. an organism reproduces by budding
12. Which part of the flower are involved in sexual reproduction?
a. stamen and sepals c. petals and pistil
b. stamen and pistil d. petals and pollen grains
13. Which of the following parts of the flower is NOT an accessory part of the flower?
a. petals c. ovary
b. sepals d. stalk
14. Which of the following organism undergo budding?
a. starfish c. molds
b. onion d. hydra
15. It is the transfer of pollen grains from the anther to the stigma of a flower.
a. Pollination c. Fertilization
b. Reproduction d. Regeneration
pasagot pls