Questions
In which of the following organisms a new organism grows out of the parent's body in the form of a bud?
- Amoeba
- Hydra
- Snake
- Human being
- Birds
Which of the following organisms produce their young ones by the method of sexual reproduction?
a. Fish
b. Amoeba
c. Frog
d. Hydra
- Both a and b
- Both a and c
- Both a and d
- Both b and c
- Both b and d
The male gamete in animals is called sperm. Which of the following is not a property of sperm?
- The sperms are extremely small cells.
- A sperm has a head, a middle piece and a tail.
- A sperm is a single cell with components like nucleus, cytoplasm and cell membrane.
- The sperm cell has very little cytoplasm.
- The sperm has a thin layer of jelly called 'jelly coat'.
The fertilisation that takes place inside a female's body is called internal fertilisation. In which of the following animals does internal fertilisation not take place?
- Rabbits
- Sparrows
- Crocodiles
- Frogs
- Silk moths
Which of the following are the oval-shaped organs that are inside the abdominal cavity of a woman?
- Ovaries
- Oviducts
- Uterus
- Vagina
- Epididymis
Which of the following statements is/are false?
a. Sex cells are involved in asexual reproduction whereas no sex cell is involved in sexual reproduction.
b. In asexual reproduction, the offspring produced is an exact copy of the parent.
c. An animal having female sex cells in its body is called a female.
- Only a
- Both a and b
- Only b
- Both b and c
- Only c
Which of the following animals does not show metamorphosis?
- Fish
- Frog
- Silk moth
- Butterfly
- Mosquito
Which of the following is not a part of the female reproductive system?
- Ovaries
- Oviducts
- Epididymis
- Uterus
- Vagina
Which of the following is a property of an embryo?
- An embryo is formed by the fusion of male and female gametes.
- An embryo is the beginning of the formation of a baby.
- An embryo is multicellular.
- An embryo is an unborn baby in the uterus in the later stages of development.
- In an embryo, various body features of the developing baby like hands, legs, eyes, ears, etc. can be identified.
Which of the following male sex organs make sperms?
- Scrotal sac
- Epididymis
- Testes
- Seminal vesicles
- Urethra
Which of the following animals does not lay eggs from which young ones are hatched later on?
- Sparrow
- Crow
- Frog
- Rabbit
- Ostrich
Which of the following male reproductive organs passes the sperms from the male's body to the female's body?
- Seminal vesicle
- Epididymis
- Urethra
- Scrotal sac
- Penis
Which of the following statements is/are false?
a. The new organism produced by asexual reproduction is exactly identical to the parent.
b. The change from caterpillar to a silk moth is an example of metamorphosis.
c. In the process of budding, the parent organism splits to form two new organisms.
- Only a
- Both a and b
- Only b
- Both b and c
- Only c
Which of the following is/are not a property of viviparous animals?
a. The young one of the animal develops inside the egg.
b. When the young one is fully developed, the mother gives birth due to which the alive young one comes out from the body of the mother.
c. The viviparous animals do not lay eggs outside their body.
- Only a
- Both a and b
- Only b
- Both b and c
- Only c
Which of the following organisms reproduce by the method of budding?
a. Paramecium
b. Sponges
c. Corals
d. Sea anemones
- only a and b
- only a and c
- a, b and d
- b, c and d
- a, b and c