Science Question Answer (1 Marks)

Name the organs which produces sperms in humans.

State whether the following statements are True or False:
Fertilization is necessary even in asexual reproduction.

State whether the following statements are True or False:
Each sperm is a single cell.

What types of fertilization takes place in the following?
(a) Cow (b) Frog (c) Humans (d) Fish (e) Hen.

Fill in the following blanks with suitable words:
Dolly, the sheep, was produced by the technique called ______________.

Name the process of the fusion of gametes?

Name the Organ which produce male gametes.

Name the organs which produce female gametes.

State whether the following statements are True or False:
The hens give birth to chicks like human beings give birth to babies.

State whether human beings reproduce by sexual method of asexual method.

State whether the following statements are True or False:
External fertilization takes place in frog.

What are gametes?

What is this act of fusion called?

State whether the following statements are True or False:
Binary fission is a method of asexual reproduction.

What do the testes in a man produces?

State whether the following statements are True or False:
Oviparous animals give birth to young ones.

What term is used for ‘bulges’ observed on the sides of the body of Hydra?

State whether the following statements are True or False:
An embryo is made up of a single cell.

What do the ovaries in a woman produce?

What name is given to the following? An animal which is an exact copy of its parents.

Fill in the following blanks with suitable words:
In humans, one nature egg (or ovum) is released into oviduct every ______________ by one of the ovaries.

Name the organs which produce egg (or ova) in humans.

Which stage comes earlier in the development of a human baby from zygote: foetus or embryo?

Fill in the following blanks with suitable words:
The change of caterpillar into an adult silk moth is called ______________.

Which life process ensures that a plant of animal species will not disappear from the earth?

Fill in the following blanks with suitable words:
The cow is a ______________ animal whereas ostrich is an ______________ animal.

State whether the following statements are True or False:
A new human individual develops from a cell called gametes.

Fill in the following blanks with suitable words:
The other name of egg cell is ______________.

Write the full name of IVF.

What are the organs in humans which produces the gametes?

What term is used for the following?
The change from tadpole to frog.

State whether the following statements are True or False:
Egg laid after fertilization is made up of a single cell.

Fill in the following blanks with suitable words:
The larva of frog is called ______________.

Name the technique which is used to help a woman with blocked oviducts to have a baby.

Name the technique which was used in producing ‘Dolly’ the sheep.

Fill in the following blanks with suitable words:
The egg laying animals are called ______________ animals.

Fill in the following blanks with suitable words:
The process of fusion of gametes is called ______________.

In which female reproductive organ does the embryo get embedded?

Name two animals which reproduce sexually.

Which organ of the human body passes sperms from a man to a woman?

Name the asexual method of reproduction:
In Hydra, and
In Amoeba.

State whether the following statements are True or False:
A zygote is formed as a result of fertilization.

State whether the following statements are True or False:
Internal fertilization takes place in hens.

State whether the following statements are True or False:
Cloning is a sexual reproduction method in mammals.

Name two animals which reproduce asexually.

Do all animals give birth to individuals like humans?

Fill in the following blanks with suitable words:
The process of ______________ ensure continuity of life on earth.

Give another term for a fertilized egg.

Fill in the following blanks with suitable words:
Fusion of gametes gives rise to a single cell called ______________.

What are the female gametes in human called?