Check below biology practice question with answer for exam preperation.
- What is the term for the process by which organisms produce offspring?
a) Digestion
b) Respiration
c) Reproduction
d) Excretion
Answer: c) Reproduction
2. Which of the following is a characteristic feature of sexual reproduction?
a) Involvement of only one parent
b) Production of genetically identical offspring
c) Involvement of two parents and fusion of gametes
d) No formation of zygote
Answer: c) Involvement of two parents and fusion of gametes
3. Which of the following organisms reproduces through binary fission?
a) Hydra
b) Amoeba
c) Paramecium
d) Both b and c
Answer: d) Both b and c
4. Which of the following is an example of vegetative propagation in plants?
a) Spore formation in fungi
b) Budding in yeast
c) Fragmentation in algae
d) Tubers in potato
Answer: d) Tubers in potato
5. Which phase in the life cycle of an organism marks the onset of reproductive maturity?
a) Juvenile phase
b) Reproductive phase
c) Senescent phase
d) Dormant phase
Answer: b) Reproductive phase
6. In which of the following organisms does external fertilization occur?
a) Birds
b) Mammals
c) Fish
d) Reptiles
Answer: c) Fish
7. Which type of reproduction is considered to result in genetically diverse offspring?
a) Sexual reproduction
b) Asexual reproduction
c) Binary fission
d) Vegetative propagation
Answer: a) Sexual reproduction
8. Which of the following is an example of a hermaphrodite organism?
a) Human
b) Earthworm
c) Frog
d) Crow
Answer: b) Earthworm
9. In higher plants, the male gametophyte is represented by:
a) Pollen grain
b) Ovule
c) Anther
d) Stigma
Answer: a) Pollen grain
10. Which of the following is true regarding asexual reproduction?
a) Involves gametes
b) Produces genetically identical offspring
c) Occurs only in multicellular organisms
d) Requires two parents
Answer: b) Produces genetically identical offspring
11. In which organism does budding occur as a method of asexual reproduction?
a) Hydra
b) Earthworm
c) Cat
d) Mushroom
Answer: a) Hydra
12. What is parthenogenesis?
a) A form of asexual reproduction in animals
b) Development of an egg without fertilization
c) Sexual reproduction in plants
d) Fusion of male and female gametes
Answer: b) Development of an egg without fertilization
13. Which of the following is NOT an example of asexual reproduction?
a) Binary fission in bacteria
b) Fragmentation in spirogyra
c) Conjugation in paramecium
d) Budding in yeast
Answer: c) Conjugation in paramecium
What is the reproductive structure in flowering plants?
a) Leaf
b) Root
c) Flower
d) Stem
Answer: c) Flower
14 . Which of the following is NOT a method of asexual reproduction?
a) Budding
b) Spore formation
c) Fertilization
d) Binary fission
Answer: c) Fertilization
15. Which one of the following is true for viviparous animals?
a) They lay eggs
b) The young ones develop inside the mother’s body
c) Fertilization occurs outside the body
d) No parental care is involved
Answer: b) The young ones develop inside the mother’s body
16. Which of the following is an example of oviparous animals?
a) Dogs
b) Humans
c) Fish
d) Birds
Answer: d) Birds
17. The structure that provides nourishment to the developing embryo in oviparous animals is:
a) Yolk sac
b) Placenta
c) Uterus
d) Umbilical cord
Answer: a) Yolk sac
18. The type of reproduction seen in sponges is called:
a) Budding
b) Fragmentation
c) Binary fission
d) Sexual reproduction
Answer: b) Fragmentation
19. Which of the following is a primary advantage of sexual reproduction over asexual reproduction?
a) Faster population growth
b) Greater genetic diversity
c) Requires only one parent
d) Higher chances of survival in a stable environment
Answer: b) Greater genetic diversity
20. Which of the following is a feature of internal fertilization?
a) Occurs only in aquatic organisms
b) Gametes are released outside the organism’s body
c) The fertilized egg develops inside the female body
d) Requires water for fertilization
Answer: c) The fertilized egg develops inside the female body
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