Sexual Reproduction

Author:NCERT
8th CBSE
IMPORTANT

Important Questions on Sexual Reproduction

HARD
IMPORTANT

State the difference between oviparous and viviparous animals.

HARD
IMPORTANT

How does fertilisation in a hen different from fertilisation in a frog?

MEDIUM
IMPORTANT

The reason, why parrot does not belong to the same group as that of monkey, man, cat, is that-

MEDIUM
IMPORTANT

Which one of the following is not a feature of viviparous animals?

MEDIUM
IMPORTANT

How are oviparous animals different from viviparous animals?

MEDIUM
IMPORTANT

The picture shows the life cycle of a moth.

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What can be concluded from the picture?

EASY
IMPORTANT

Which of these animals reproduce by external fertilisation?

MEDIUM
IMPORTANT

The picture shows the basic parts of a salmon fish sperm.

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Which part of the sperm helps it to swim in water and reach the egg?

MEDIUM
IMPORTANT

Which of these is true about external fertilisation and internal fertilisation?

  External fertilisation Internal fertilisation
A Both parents are necessary Both parents are necessary
B Embryo is not formed Embryo is formed
C Involves development of eggshell Involves development of eggshell
D Takes place among invertebrates Takes place among vertebrates

MEDIUM
IMPORTANT

Where does the fertilisation of egg occur in the process of In Vitro Fertilisation (IVF)?

MEDIUM
IMPORTANT

Which of these statements is true about a foetus?

EASY
IMPORTANT

Observe the image and answer the following question:

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In which part of the female reproductive system does an embryo implant?

EASY
IMPORTANT

How many eggs are usually released each month by the ovary of a woman?

EASY
IMPORTANT

Observe the image and answer the following question:

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A mature egg and a sperm unite to form a zygote. In which part of the female reproductive system does a zygote form?

MEDIUM
IMPORTANT

Select the incorrect statement regarding the given figure.

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MEDIUM
IMPORTANT

Number the pictures in the correct order to complete the life cycle of the butterfly. Also, name the different stages.

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HARD
IMPORTANT

Who am I. Find with the help of given clue.

I am a gamete. I start my journey from testes in males. I have a tail which helps me move.

HARD
IMPORTANT

Label the male and female reproductive systems in the following images:

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