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Class 8 Science Study Material

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Reproduction in Animals

An exception in the following methods of reproduction is

a) binary fission.
b) Budding.
c) Hybridisation
d) Conidia formation

✔Answer

✔Solution

Correct Answer Is : Hybridisation

Solution Is : Hybridisation is a form of sexual reproduction done for improving the quality of plants. On the other hand, asexual reproduction involves only one parent. Both binary fission and budding involves one parent, while conidia formation involves the formation of asexual spores in fungi.

The organ excluded from the male reproductive system is

a) Testis.
b) Fallopian tube.
c) Seminal duct.
d) Penis.

✔Answer

✔Solution

Correct Answer Is : Testis.

Solution Is : Male reproductive system includes a pair of testes, seminal ducts and penis. Fallopian tube is a part of the female reproductive system

The organ excluded from the female reproductive system

a) Fallopian tube.
b) Ovary.
c) Trachea.
d) Uterus.

✔Answer

✔Solution

Correct Answer Is : Trachea.

Solution Is : Female reproductive system consists of a pair of ovaries, fallopian tube and uterus. Trachea is a part of the respiratory system.

An example of oviparous animals is

a) Lizard.
b) Dog.
c) Cat
d) Cow.

✔Answer

✔Solution

Correct Answer Is : Lizard.

Solution Is : Animals which lay eggs are called oviparous animals. Lizards lay eggs, hence it is an oviparous animal.

In humans, development of the baby takes place in the

a) Ovary.
b) Uterus.
c) Stomach.
d) Fallopian tube.

✔Answer

✔Solution

Correct Answer Is : Ovary.

Solution Is : After fertilisation in the fallopian tube, embryo develops into a baby in the uterus.

The animal in which internal fertilisation takes place is

a) Toad.
b) Frog.
c) Fish.
d) Pigeon.

✔Answer

✔Solution

Correct Answer Is : Pigeon.

Solution Is : Although in birds the egg is laid and incubated for hatching, the ovum is fertilised inside the body of the bird.

The process of

a) Testes.
b) Uterus.
c) Fallopian tube.
d) Ovaries

✔Answer

✔Solution

Correct Answer Is : Fallopian tube.

Solution Is : In humans, fertilisation occurs inside the body of the female in the fallopian tube. Testes and ovaries are involved in the production of gametes. In uterus, the development of the embryo takes place.

The implantation of an embryo takes place in the

a) Fallopian tube.
b) Testes.
c) Ovaries.
d) Uterus.

✔Answer

✔Solution

Correct Answer Is : Uterus.

Solution Is : In humans, fertilisation occurs inside the body of the female in fallopian tube. Testes and ovaries are involved in the production of gametes. In uterus, the implantation and development of the embryo takes place.

Female gamete is called

a) Ovary.
b) Testis.
c) Ovum.
d) Sperm.

✔Answer

✔Solution

Correct Answer Is : Ovum.

Solution Is : Cells that take part in reproduction are called gametes. Female gamete is called ovum and develops in the ovary of the female.

Male gametes are called

a) Ovaries.
b) Testis.
c) Ova.
d) Sperms.

✔Answer

✔Solution

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Class 8 Science Study Material

Reproduction in Animals

An exception in the following methods of reproduction is

Correct Answer Is : Hybridisation

Solution Is : Hybridisation is a form of sexual reproduction done for improving the quality of plants. On the other hand, asexual reproduction involves only one parent. Both binary fission and budding involves one parent, while conidia formation involves the formation of asexual spores in fungi.

The organ excluded from the male reproductive system is

Correct Answer Is : Testis.

Solution Is : Male reproductive system includes a pair of testes, seminal ducts and penis. Fallopian tube is a part of the female reproductive system

The organ excluded from the female reproductive system

Correct Answer Is : Trachea.

Solution Is : Female reproductive system consists of a pair of ovaries, fallopian tube and uterus. Trachea is a part of the respiratory system.

An example of oviparous animals is

Correct Answer Is : Lizard.

Solution Is : Animals which lay eggs are called oviparous animals. Lizards lay eggs, hence it is an oviparous animal.

In humans, development of the baby takes place in the

Correct Answer Is : Ovary.

Solution Is : After fertilisation in the fallopian tube, embryo develops into a baby in the uterus.

The animal in which internal fertilisation takes place is

Correct Answer Is : Pigeon.

Solution Is : Although in birds the egg is laid and incubated for hatching, the ovum is fertilised inside the body of the bird.

The process of

Correct Answer Is : Fallopian tube.

Solution Is : In humans, fertilisation occurs inside the body of the female in the fallopian tube. Testes and ovaries are involved in the production of gametes. In uterus, the development of the embryo takes place.

The implantation of an embryo takes place in the

Correct Answer Is : Uterus.

Solution Is : In humans, fertilisation occurs inside the body of the female in fallopian tube. Testes and ovaries are involved in the production of gametes. In uterus, the implantation and development of the embryo takes place.

Female gamete is called

Correct Answer Is : Ovum.

Solution Is : Cells that take part in reproduction are called gametes. Female gamete is called ovum and develops in the ovary of the female.

Male gametes are called

Correct Answer Is : Sperms.

Solution Is : Cells that take part in the reproduction are called gametes. Male gametes are called sperms and develop in the testes of the male.

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