Class 8 Reproduction In Animals CBSE Questions & Answers

Class 8 · Reproduction In Animals

This is Science Class 8 Reproduction in Animals CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The main function of testis is
  • A
    Release hormone
  • B
    Provide nutrition
  • C
    Release sperm
    Correct
  • D
    Release enzyme
2
Fertilisation that takes place outside the female body is called
  • A
    External Fertilisation
    Correct
  • B
    Vegetative Fertilisation
  • C
    Active Fertilisation
  • D
    Internal Fertilisation
3
The zygote divide repeatedly to give rise to an
  • A
    Foetus
  • B
    Germ cells
  • C
    Embryo
    Correct
  • D
    Buds
4
Vagina of the female reproductive system is
  • A
    Secondary sex organ
    Correct
  • B
    Accessory sex organ
  • C
    Additional organs
  • D
    Primary sex organ
5
The animals which lay eggs are called
  • A
    Omnivorous
  • B
    Viviparous
  • C
    Carnivorous
  • D
    Oviparous
    Correct
6
In which of the following organisms, multiple fissions occur?
  • A
    Plasmodium
    Correct
  • B
    Paramecium
  • C
    Euglena
  • D
    Amoeba
7
Internal fertilisation occurs
  • A
    In male body
  • B
    Outside female body
  • C
    In female body
    Correct
  • D
    Outside male body
8
A tadpole develops into an adult frog by the process of
  • A
    Embedding
  • B
    Fertilisation
  • C
    Budding
  • D
    Metamorphosis
    Correct
9
Each zygote contains ________ nuclei.
  • A
    Eight
  • B
    One
    Correct
  • C
    Four
  • D
    Two
10
The term used for bulges on the sides of the body of hydra is
  • A
    Bud
    Correct
  • B
    Egg
  • C
    Mould
  • D
    Cone
11
The process of producing exact copy of a cell or other living part or an complete organism is called
  • A
    Clone
    Correct
  • B
    Retardation
  • C
    Copy
  • D
    Fission
12
Which of the following is a primary sex organ?
  • A
    Uterus
  • B
    Vagina
  • C
    Ovary
    Correct
  • D
    Fallopian tube
13
Ovulation occurs on the ______ day of menstrual cycle.
  • A
    12 to 14
  • B
    14 to 16
    Correct
  • C
    10 to 12
  • D
    Last
14
Hormone responsible for milk ejection after the birth of baby is:-
  • A
    Oxytocin
    Correct
  • B
    Progesterone
  • C
    Prolactin
  • D
    Estrogens
15
The embryo development from the somatic cells is called
  • A
    Cybrid
  • B
    Callus
  • C
    Embryoid (ans
    Correct
  • D
    Hybrid