Class 8 Science Chapter 9 MCQ (Multiple Choice Questions) of Reproduction in Animals updated for new academic session 2022-2023. In MCQ online test series, there are more than 75 questions with answers and explanation. All the questions are taken from the NCERT textbook issued for CBSE session 2022-23. These MCQ quiz will help the student to know all the concepts related to the chapter 9 of class 8 science.

Class 8 Science Chapter 9 MCQ for 2022-2023

Class: 8Science
Chapter: 9Reproduction in Animals
Contents: MCQ Online Test with Explanation

MCQ Tests with Answers for Class 8 Science Chapter 9


Sets of reproductive terms are given below. Choose the set that has an incorrect combination.

[A]. Sperm, testis, sperm duct, penis
[B]. Menstruation, egg, oviduct, uterus
[C]. Sperm, oviduct, egg, uterus
[D]. Ovulation, egg, oviduct, uterus

Which of the following statement is or are correct?

[A]. The cloning in animals is done by the transfer of “nucleus” of cell.
[B]. Dolly was a clone of in Dorset sheep whose “cell nucleus” was used in developing it.
[C]. Cloning is the production of an exact copy of an animal by means of asexual reproduction.
[D]. All the above

In humans, the development of fertilized egg takes place in the:

[A]. Ovary
[B]. Testis
[C]. Oviduct
[D]. Uterus

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 fertilization.
[B]. It is oviparous.
[C]. It is viviparous.
[D]. It undergoes external fertilization.

Reproduction is essential for living organisms in order to:

[A]. Keep the individual organisms alive
[B]. Fulfils their energy requirements
[C]. Maintain growth
[D]. Continue the species for ever

Animals exhibiting external fertilization 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 off springs.
[B]. Food is available in plenty in water.
[C]. To ensure better chance of fertilization.
[D]. Water promotes production of large number of gametes.

One of the following occurs reproductive system of flowering plants well as that of humans. This is:

[A]. Sperm ducts
[B]. Anther
[C]. Ovary
[D]. Style

Read the following sentences carefully, and choose the incorrect one:

[A]. Budding is a sexual method of reproduction.
[B]. Binary fission is an asexual method of reproduction in organisms.
[C]. In binary fission, the parent organism splits or divides to form two new organisms.
[D]. The unicellular organisms called Amoeba reproduces by the method of binary fission.

Kruti is writing some statements, choose the incorrect statement and help her:

[A]. Zygote is a single cell which contains one nucleus.
[B]. The egg is also a single cell having a nucleus, cytoplasm and a cell membrane.
[C]. The new cell which is formed by the fusion of male gamete and female gamete is called zygote.
[D]. None of the above.

Reproduction by budding takes place in:

[A]. Hydra
[B]. Amoeba
[C]. Paramecium
[D]. Bacteria

In human beings, after fertilization, the structure which gets embedded in the wall of the uterus is:

[A]. Ovum
[B]. Embryo
[C]. Foetus
[D]. Zygote

Aquatic animals in which fertilization occurs in water are said to be:

[A]. Viviparous without fertilization.
[B]. Oviparous with external fertilization.
[C]. Viviparous with internal fertilization.
[D]. Oviparous with internal fertilization

After fertilization, the resulting cell which gives rise to a new individual is the:

[A]. Embryo
[B]. Ovum
[C]. Foetus
[D]. Zygote

State which of the following statements are “True”:

[A]. External fertilization can occur both in water and on land.
[B]. The eggs of fish are covered by hard shells for protection.
[C]. The human egg has a head, middle piece, and tail.
[D]. In adult human females, a single mature egg is released into an oviduct every month.

Sravan appeared in class test but he confused to know the incorrect statement. Would you help him to know that?

[A]. The zygote is actually a fertilized egg or fertilized ovum.
[B]. Many sperms try to enter the egg, but only one sperm is successful in entering the egg.
[C]. All the multicellular organisms start their life from a single cell called ovum.
[D]. The fusion of a male gamete with a female gamete to form a “zygote” during sexual reproduction, is called fertilization.

In the last year board examination, Vipul were asked a question where he had to choose the statement which was/were correct? Will you be able to answer this question?

[A]. The fertilization which takes place outside the female body is called external fertilization.
[B]. In external fertilization the female animal eggs are fertilized by sperm outside her body.
[C]. External fertilization is very common in aquatic animals such as frog, fish and star-fish etc.
[D]. All the above

In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?

[A]. All the organisms do not give birth to individuals like human do.
[B]. A hen sits on its fertilized eggs for a considerable time to give them warmth.
[C]. In human beings, the zygote grows and develops into a baby inside the female body or mother’s body.
[D]. The human male reproductive system consists of testes, sperm duct and penis.

Recently, in a science class test, you are asked a question where you have to say whether the statements are correct or not?

[A]. The male parent produces male gametes is called sperms.
[B]. The female parent produces female gametes called eggs or ova.
[C]. The nucleus of sperm fuses with the nucleus of a egg cell to form a new cell called zygote.
[D]. Foetus grows and becomes an embryo in which all the main body features of the baby animal have formed.

In a science quiz competition, Lilly is asked a question where she had to choose the statement which was/were incorrect?

[A]. An embryo is formed by the repeated cell division of zygote whereas a foetus is formed by the growth and development of an embryo.
[B]. An embryo is an unborn baby in the uterus in the early stages of development whereas a foetus is an unborn baby in the uterus in the later stages of development.
[C]. The body features of growing baby in the embryo are not much developed whereas the body features of developing baby can be identified.
[D]. None of the above.

The in vitro fertilization technique, which of the following statement(s) is or are wrongly written:

[A]. The eggs are removed from the ovary of women by laparoscopy.
[B]. The woman’s husband provides the sperms in the form of semen.
[C]. The sperms are mixed with eggs in a glass dish to carry out fertilization.
[D]. After one hour, one or more embryos are placed in the woman’s uterus or womb.

Which of the following statements is true about asexual reproduction?

[A]. New individuals are produced without the fusion of gametes.
[B]. New individuals involves the fusion of male and female gametes.
[C]. It is a mode of reproduction which occurs only in plants.
[D]. New individuals are produced by the fusion of dissimilar gametes.

Which of the following is correct of implantation?

[A]. Attachment of the blastocyst to the uterine wall
[B]. Release of ovum from the follicle
[C]. Development of an embryo without fertilization
[D]. Formation of ova from germ cell

Which of the following statements are correct about menstrual cycle?

[A]. A girl who has reached puberty will menstruate throughout her life.
[B]. Menstruation occurs every 28 days.
[C]. During every menstrual cycle, one mature ovum will be released by the ovary.
[D]. Both [B] and [C]

During a cell division:

[A]. Nucleus divides first and then cytoplasm
[B]. Cytoplasm divides first and then Nucleus
[C]. Nucleus and cytoplasm divides together
[D]. No such relationship

In human beings, the correct sequence of events during reproduction is:

[A]. Gamete formation, fertilization, zygote, embryo
[B]. Embryo, zygote, fertilization, gamete formation
[C]. Fertilization, gamete formation, embryo, zygote
[D]. Gamete formation, fertilization, embryo, zygote

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