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Test: Reproduction in Animals- 1 - UPSC MCQ


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15 Questions MCQ Test Science & Technology for UPSC CSE - Test: Reproduction in Animals- 1

Test: Reproduction in Animals- 1 for UPSC 2025 is part of Science & Technology for UPSC CSE preparation. The Test: Reproduction in Animals- 1 questions and answers have been prepared according to the UPSC exam syllabus.The Test: Reproduction in Animals- 1 MCQs are made for UPSC 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Reproduction in Animals- 1 below.
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Test: Reproduction in Animals- 1 - Question 1

What is cloning?

Detailed Solution for Test: Reproduction in Animals- 1 - Question 1
Cloning means making a copy of a living thing. It's like making an exact twin of a plant, animal, or any living part. Just like when you have a toy and you make another toy that looks exactly the same, that's what cloning is - making a copy.
Test: Reproduction in Animals- 1 - Question 2

In which type of fertilisation do sperms swim towards eggs in water?

Detailed Solution for Test: Reproduction in Animals- 1 - Question 2
In external fertilisation, sperms swim towards eggs in water, as seen in many aquatic animals. Internal fertilisation occurs inside the female body.
Test: Reproduction in Animals- 1 - Question 3

What does the zygote develop into?

Detailed Solution for Test: Reproduction in Animals- 1 - Question 3
The zygote, formed by the fusion of sperm and egg, develops into a new individual. It does not remain a single cell but undergoes multiple stages of development.
Test: Reproduction in Animals- 1 - Question 4
What structure in the female reproductive system holds the developing baby?
Detailed Solution for Test: Reproduction in Animals- 1 - Question 4
The uterus is where the development of the baby takes place during pregnancy. The ovaries produce eggs, and the oviducts (fallopian tubes) are where fertilisation typically occurs, but the uterus is the site for fetal development.
Test: Reproduction in Animals- 1 - Question 5

A Paramecium reproduces by dividing itself into two daughter cells. This process is called

Detailed Solution for Test: Reproduction in Animals- 1 - Question 5

Binary fission is a type of asexual reproduction seen in unicellular organisms. In this method, first, the nucleus divides, followed by cytoplasmic division. This forms two daughter cells from one parent cell. Therefore, Paramecium dividing itself to form two daughter cells represents binary fission.

Test: Reproduction in Animals- 1 - Question 6

Budding is found in

Detailed Solution for Test: Reproduction in Animals- 1 - Question 6

Budding is a mode of asexual reproduction in which a small outgrowth develop on body surface that enlarge and get separated from parent body. Budding takes place in hydra and yeast.

Test: Reproduction in Animals- 1 - Question 7

Which part of the sperm contains the genetic material?

Detailed Solution for Test: Reproduction in Animals- 1 - Question 7

The head of the sperm contains the genetic material required for fertilisation. The tail aids in movement, and the middle piece provides energy.

Test: Reproduction in Animals- 1 - Question 8
What provides protection to frog eggs laid in water?
Detailed Solution for Test: Reproduction in Animals- 1 - Question 8
In frogs, the eggs are protected by a layer of jelly that holds them together and provides some protection. Unlike bird eggs, frog eggs do not have a hard shell.
Test: Reproduction in Animals- 1 - Question 9

State whether the following statement is True or False:

The embryo develops into a foetus before birth.

Detailed Solution for Test: Reproduction in Animals- 1 - Question 9
  • When a baby is growing inside its mother's tummy, it first starts as an embryo. This tiny baby-to-be has to grow and change a lot before it's ready to be born. As it grows, it becomes what is called a foetus. So, the statement is True because the embryo does develop into a foetus before the baby is born.

Test: Reproduction in Animals- 1 - Question 10

State whether the following statement is True or False

The male reproductive organs in humans include a pair of testes, two sperm ducts, and a penis.

Detailed Solution for Test: Reproduction in Animals- 1 - Question 10
  • Yes, the male reproductive organs in humans include a pair of testes, two sperm ducts, and a penis.
  • The testes produce male gametes called sperms.
  • Sperms are very small cells with a head, a middle piece, and a tail.
  • There are millions of sperms produced by the testes.
  • These reproductive parts work together to help in the process of reproduction.
Test: Reproduction in Animals- 1 - Question 11

After fertilisation, the ________ divides repeatedly to give rise to a ball of cells.

Detailed Solution for Test: Reproduction in Animals- 1 - Question 11

Solution: The fusion of the male and the female gamete, i.e., the sperm and the ovum, is called fertilisation. This results in the formation of a single-celled zygote. After fertilisation, the zygote repeatedly divides to give rise to a ball of cells. This ball of cells eventually develops into the various types of cells and tissues in an organism.

Test: Reproduction in Animals- 1 - Question 12
In which animals is external fertilisation most commonly observed?
Detailed Solution for Test: Reproduction in Animals- 1 - Question 12
External fertilisation is most commonly observed in amphibians and fish, where fertilisation occurs outside the female body, usually in water. Birds, mammals, and reptiles typically undergo internal fertilisation.
Test: Reproduction in Animals- 1 - Question 13

In asexual reproduction

Detailed Solution for Test: Reproduction in Animals- 1 - Question 13

In asexual reproduction only one parent is involved. The new organism is identical to parent. No gametes formation takes place in asexual reproduction.

Test: Reproduction in Animals- 1 - Question 14
What does the fusion of sperm and egg create?
Detailed Solution for Test: Reproduction in Animals- 1 - Question 14
The fusion of sperm and egg results in the formation of a zygote, which eventually develops into an embryo and then a new individual.
Test: Reproduction in Animals- 1 - Question 15
What term is used for animals that lay eggs?
Detailed Solution for Test: Reproduction in Animals- 1 - Question 15
Oviparous animals are those that lay eggs, which then develop into young ones. Viviparous animals, on the other hand, give birth to live young ones. Metamorphosis and binary fission are different reproductive processes.
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