Reproduction in Animals Test - 12

Viviparous animals are animals which give birth to young ones. Since rabbits give birth to young ones, Siddharth can choose a rabbit for his study.

The correct answer is B.

Sperms are produced in testes.

The correct answer is C.

Fertilisation is the process in which sperm and egg fuse to form zygote.

The correct answer is A.

External fertilisation is a type of fertilisation in which the fusion of egg and sperm occurs in water i.e., outside the body of the female. It mostly occurs in organisms such as fishes and frogs.

The correct answer is D.

In frogs, fertilisation occurs in water, i.e., outside the body of the female. This type of fertilisation is termed external fertilisation.

The correct answer is B.

Animals which lay eggs are known as oviparous animals. Since lizards lay eggs, they are known as oviparous animals.

The correct answer is D.

The baby attaches itself to the wall of the uterus during the embryo stage.

The correct answer is D.

Amoeba is a unicellular microscopic organism which reproduces through asexual reproduction. During this process, a single parent gives birth to young ones.

The correct answer is C.

The production of eggs or ova takes place in the ovary.

The correct answer is B.

Amoeba reproduces asexually by the process of binary fission. During this process, the nucleus of the parent Amoeba divides into two and then the body of the parent Amoeba divides into two, each part receiving a nucleus each. This results in formation of two daughter amoebae.

The correct answer is A.

Asexual reproduction in Hydra occurs by the process of budding. During this process, the new individual arises as a small bud on the parent’s body. This bud then grows and develops into a Hydra.It laterseparates itself from the parent’s body and starts living freely.

The correct answer is A.