In human beings, the correct sequence of events during reproduction is

1

(a)

gamete formation, fertilisation, zygote formation embryo

(b)

embryo, zygote formation, fertilisation, gamete formation

(c)

fertilisation, gamete formation, embryo, zygote formation

(d)

gamete formation, fertilisation, embryo, zygote formation

In the list of animals given below, hen is the odd one out. Human being, cow, dog, hen. The reason for this is

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(a)

it undergoes internal fertilisation

(b)

it is oviparous

(c)

it is viviparous

(d)

it undergoes external fertilisation

Which of the following is not a part of the human male reproductive system?

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(a)

Testes

(b)

Oviducts

(c)

Seminal vesicles

(d)

Epididymis

Sets of reproductive terms are given below. Choose the set that has an incorrect combination.

1

(a)

Sperm, testis, sperm duct, penis

(b)

Menstruation, egg, oviduct, uterus

(c)

Sperm, oviduct, egg, uterus

(d)

Ovulation, egg, oviduct, uterus

Reproduction by budding takes place in

1

(a)

hydra

(b)

amoeba

(c)

paramecium

(d)

bacteria

______ is very important for continuation of a species.

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(a)

Reproduction

The _____ divides repeatedly to form an embryo.

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(a)

zygote

An animal having both male and female reproductive organs is called ______

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(a)

bisexual

The fusion of male and female gametes is called_________________ reproduction

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(a)

sexual

The productive organs in male include __________, _________and _______

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(a)

testes, sperm duct, penis

Each sperm is a single cell.

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(a) True

(b) False

External fertilisation takes place in frog.

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(a) True

(b) False

Egg laid after fertilisation is made up of a single cell.

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(a) True

(b) False

Human sperm has head, middle piece and tail

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(a) True

(b) False

A sperm is a unicellular body

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(a) True

(b) False

Define fertilization

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(a)

The fusion of ovum and sperm is called fertilization

Which babies are known as test-tube babies

1

(a)

Babies born through test-tube technique are called test-tube babies

What is meant by ovulation?

1

(a)

Release of ovum from ovary is called ovulation

What is the function of tail in a sperm

1

(a)

The tail of sperm helps it to swim to reach the egg

What is embryo?

1

(a)

When zygote after repeated division starts to form group of different tissues and organs, it is called embryo.