Test: Reproduction In Animals - 4


20 Questions MCQ Test Science Class 8 | Test: Reproduction In Animals - 4


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QUESTION: 1

The animals that produce young ones are called

Solution:
VIVIPAROUS
Producing living young instead of eggs from within the body in the manner of nearly all mammals, many reptiles, and a few fishes.
QUESTION: 2

Tadpole is the developing stage of:

Solution:
QUESTION: 3

The fusion of male and female gametes usually takes place inside the

Solution:

The fusion of male and female gamete is called fertilization. Internal fertilization takes place in humans. Male releases sperms inside female's body. Sperms and ovum fuse together in fallopian tube, during fertilization, the nuclei of the sperm and the egg fuse to form a single nucleus.

QUESTION: 4

The cell formed after fertilisation is called

Solution: The fusion of these two cells is called fertilization and it produces a diploid cell with 46 chromosomes - twice the amount found in each gamete. The fertilized egg is now called a zygote and has just the right amount of DNA needed for normal human development.
QUESTION: 5

Eggs are formed in the:

Solution:
QUESTION: 6

The modes of reproduction in animals are

Solution: Option B because it occur both of reproduction sexual and asxual.
QUESTION: 7

A sperm consists of

Solution:

A sperm is a germ cell. It is one of two types of reproductive cells found in sexually reproducing animals. Sperm is produced by males. It consists of three parts. i.e  Head, middle, tail.

QUESTION: 8

Foetus is the

Solution:

A foetus is the unborn offspring of an animal that develops from an embryo. In human prenatal development, fetal development begins from the ninth week after Fertilisation  and continues until birth. 

QUESTION: 9

Viviparous organisms are those which

Solution:
QUESTION: 10

Cloning is a mode of

Solution:
QUESTION: 11

Sperms are called female gametes.

Solution:
QUESTION: 12

Testes are male reproductive organs which produce sperms.

Solution:
QUESTION: 13

All living animals reproduce to produce new young ones.

Solution:
QUESTION: 14

Amoeba can reproduce by the process of budding.

Solution:

Budding is a form of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. Organisms such as hydra use regenerative cells for reproduction in the process of budding. 

Amoeba can't reproduce by the process of budding.

QUESTION: 15

Snakes are oviparous because they produce eggs.

Solution:
QUESTION: 16

Earthworm can reproduce by the both sexual and asexual reproduction.

Solution:

Earthworms are Simultaneous hermaphrodite, meaning worms have both male and female reproductive organs. During sexual intercourse among earthworms, both sets of sex organ are used by  both worms.
Earthworms only reproduce through sexual reproduction.
So, the given statement is false.

QUESTION: 17

Cloning is a method of sexual reproduction.

Solution:
QUESTION: 18

Ovary is the main male reproductive organ.

Solution:
QUESTION: 19

After fertilisation zygote is formed.

Solution:
QUESTION: 20

Test tube babies are born by the IVF technique.

Solution:

In- vitro fertilization ( IVF) can help to achieve pregnancy when other treatments have not worked. The process involves fertilizing an egg outside the body, and implanting it to continue the pregnancy.

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