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Reproduction in Animals Science - Reproduction in Animals

Gujarat Board (GSEB) - STD 8 - Science (GSEB - English Medium). 106 questions in this chapter.

Question types

Reproduction in Animals question types

106 questions across 8 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

106
Questions
8
Question groups
5
Question types
Sample Questions

Reproduction in Animals questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 2M.C.Q. [I MARKS]1 Mark
In the list of animals given below, hen is the odd one out. Human being, cow, dog, hen. The reason for this is
  • A
    it undergoes internal fertilisation
  • ✓
    it is oviparous
  • C
    it is viviparous
  • D
    it undergoes external fertilisation

Answer: B.

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Q 3M.C.Q. [I MARKS]1 Mark
Aquatic animals in which fertilisation occurs in water are said to be
  • A
    viviparous without fertilisation
  • ✓
    oviparous with external fertilisation
  • C
    viviparous with internal fertilisation
  • D
    oviparous with internal fertilisation

Answer: B.

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Q 4M.C.Q. [I MARKS]1 Mark
Animals exhibiting external fertilisation produce a large number of gametes. Pick the appropriate reason from the following
  • A
    The animals are small in size and want to produce more offspring
  • B
    Food is available in plenty in water
  • ✓
    To ensure better chance of fertilisation
  • D
    Water promotes production of large number of gametes

Answer: C.

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Q 5M.C.Q. [I MARKS]1 Mark
In human beings, the correct sequence of events during reproduction is
  • ✓
    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

Answer: A.

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Q 22questions in short. [3 marks ]3 Marks
Gametes are the haploid cells formed within the body of both male and female in the reproductive gonads. These gametes fuse together to form a zygote that later develop into an embryo and delivered out from the body of a female.
Inspite of being delivered by a mother the baby bears characters of both parents. What according to you could be the basis behind this act ? Discuss.
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Q 23questions in short. [3 marks ]3 Marks
A couple visited a doctor as even after their 7 year of marriage they were unable to conceive the baby on their own. The doctor after seeing the situation recommended them to undergo in vitro fertilisation.
(i) What is the basis behind in vitro fertilisation ?
(ii) Why some women are unable to conceive ?
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Q 24questions in short. [3 marks ]3 Marks
Visit a poultry farm with your parents. Talk to the incharge of the farm and try to find out the answers of the following questions.
(i) Do hens lay unfertilised eggs ?
(ii) Are the eggs that we get in the stores fertilised or unfertilised ?
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