Class 10 Science Chapter 8 MCQ (Multiple Choice Questions) of How do Organisms Reproduce. MCQs online tests are helpful for the preparation of chapter during the exams. Grade 10 Science chapter 8 MCQ contains questions based on intext and exercises from the NCERT Textbook.

All the questions are important for school tests and terminal exams. Revision through MCQs takes less time and results good result during the tests. These MCQ Quiz also contains answers and explanation of each question.

Class 10 Science Chapter 8 MCQ Online Test for 2021-2022

Class: 10Science
Chapter: 8How do Organisms Reproduce
Contents:Multiple Choice Questions (MCQ) Tests

Class 10 Science Chapter 8 MCQ with Answers for 2021-22

Class 10 Science Chapter 8 MCQ Online Test Papers provide an ample practice to prepare the complete chapter for exams. Practice with these questions to clear all the concepts related to 10th Standard Science Chapter 8 How do organisms reproduce. All the questions are strictly confined to Latest NCERT Books for Class 10 Science only.

Q1

Consider the following statements and choose the correct one:

[A]. Reproduction by human beings ensure that the human species will continue to exist on this earth for all the time to come.
[B]. Reproduction gives rise to more organisms with the same basic characteristics as their parents.
[C]. The production of new organisms from the existing organisms of the same species is known as reproduction.
[D]. All the above
Q2

Priya is writing some statements, choose the correct statement and help him:

[A]. The existing organisms are called parent and the new organisms produced by them are called offspring.
[B]. The production of new organisms from a single parent without the involvement of sex cells or gametes is called sexual reproduction.
[C]. The production of a new organisms from two parents by making use of their sex cells or gametes is called asexual reproduction.
[D]. All the above
Q3

Which among the following is not the function of testes at puberty?

[A]. Formation of germ cells, and Secretion of testosterone
[B]. Secretion of testosterone, and Development of placenta
[C]. Development of placenta, and Secretion of estrogen
[D]. Formation of germ cells, and Secretion of estrogen
Q4

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

[A]. In budding a small part of the body of the parent organism grows out as a “bud” which then detaches and becomes a new organism.
[B]. Spores are the microscopic “asexual reproductive bodies” which are covered by a hard-protective coat.
[C]. Microscopic single celled animal, plasmodium is a protozoa which reproduces by the method of binary fission.
[D]. The process of getting back a full organism from its body parts is called regeneration.
Q5

Neetu is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Neetu wants to take help from you:

[A]. Most of the fungi bacteria and non-flowering plants such as ferns and mosses reproduce by the method of spore formation.
[B]. Spores are a kind of roots of plants and under favorable condition spores grow to a new plant.
[C]. In spore formation, the parent plant produces hundreds of microscopic reproductive units called as spores.
[D]. The spore formation method of asexual reproduction is used by unicellular organisms as well as by multicellular organisms.




Q6

In human females, an event that reflects onset of reproductive phase is

[A]. Growth of body
[B]. Changes in hair pattern
[C]. Change in voice
[D]. Menstruation
Q7

Reproduction is essential for living organisms in order to

[A]. Keep the individual organism alive
[B]. Fulfill their energy requirement
[C]. Maintain growth
[D]. Continue the species generation after generation
Q8

Consider the following statements and choose the incorrect one:

[A]. Grafting is a method in which the cut stems of two different plants are joined together in such a way that the two stems join and grow as a single plant.
[B]. Grafting enables us to combine the most desirable characteristics of the two plants in its flower and fruits.
[C]. The new plants produced by artificial vegetative propagation will not be exactly like the parent plants.
[D]. None of the above
Q9

Offspring formed as a result of sexual reproduction exhibit more variations because

[A]. Sexual reproduction is a lengthy process
[B]. Genetic material comes from two parents of the same species
[C]. Genetic material comes from two parents of different species
[D]. Genetic material comes from many parents
Q10

Which among the following statements are true for sexual reproduction in flowering plants?

[A]. It requires two types of gametes, and Offspring formed are clones
[B]. It requires two types of gametes, and Fertilisation is a compulsory event, and Offspring formed are clones
[C]. It requires two types of gametes, and Fertilisation is a compulsory event, and It always results in formation of zygote
[D]. Fertilisation is a compulsory event, and It always results in formation of zygote, and Offspring formed are clones



Q11

Which among the following statements are true for unisexual flowers?

[A]. They possess both stamen and pistil, and Unisexual flowers possessing only stamens cannot produce fruits
[B]. They possess either stamen or pistil, and They exhibit cross pollination, and Unisexual flowers possessing only stamens cannot produce fruits.
[C]. They exhibit cross pollination, and Unisexual flowers possessing only stamens cannot produce fruits.
[D]. They possess both stamen and pistil, and They exhibit cross pollination, and Unisexual flowers possessing only stamens cannot produce fruits.
Q12

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

[A]. The material which carries genetic information from the parents to the offspring is DNA.
[B]. The new organisms produced by one parent through a sexual reproduction which are genetically identical to the parent are called clones.
[C]. Dolly the sheep hit the headlines in 1997 as the first successfully produced animal clone.
[D]. The two DNA molecules formed by replication will be similar and be exactly identical to the original DNA.
Q13

Priya is writing some statements, choose the correct statement and help him:

[A]. All the multicellular animals start their life from a single cell called zygote through sexual reproduction.
[B]. The fusion of a male gamete with a female gamete to form a zygote during the sexual reproduction is called fertilization.
[C]. The cell which is formed by the fusion of male and female gametes is called zygote.
[D]. All the above
Q14

Which of the following statement is or are incorrect?

[A]. In sexual reproduction the offspring although similar to their parents are not identical to them or to one another.
[B]. The fertilization which occurs inside the female body is called internal fertilization.
[C]. The fertilization occurs outside the female body is called external fertilization
[D]. The gametes are special type of cells called the reproductive cells which contain only double the amount of DNA as compared to the normal body cells of an organisms.
Q15

Consider the following statements and choose the correct one:

[A]. The age at which the sex hormones or gametes begin to be produced and the boy and girl become sexually mature is called puberty.
[B]. The testes produce the male sex hormone called testosterone and the ovaries produce two female sex hormones, estrogen and progesterone.
[C]. The secretion of seminal vesicles and prostate gland provide nutrition to the sperms and also make their further transport easier.
[D]. All the above.




Q16

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

[A]. A zygote is a single cell. It is smaller than a full stop.
[B]. The average gestation period in humans is about six months.
[C]. An embryo is multicellular. The body features of growing baby in the embryo are not much developed.
[D]. A foetus is also multicellular. The body features of developing baby like heads, eyes, legs and ears etc. can be identified.
Q17

Puja is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:

[A]. The breakdown and removal of the inner, thick and soft lining of the uterus along with its blood vessels in the form of vaginal bleeding is called menstrual flow.
[B]. Menstruation stops temporarily when the ovum or egg is fertilized and the woman gets pregnant.
[C]. The menstrual cycle is controlled by hormones.
[D]. The first occurrence of menstruation at puberty is called menopause.
Q18

Which of the following statement is or are correct?

[A]. The disease which are spread by sexual contact with an infected person are called sexually transmitted diseases or STD.
[B]. In males, a small portion of the sperm duct is removed by surgical operation and both the cut ends are tight properly, called vasectomy.
[C]. Oral pills contain hormones which stops the ovaries from releasing ovum or egg into the oviduct.
[D]. All the above.
Q19

In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called

[A]. Filaments
[B]. Hyphae
[C]. Rhizoids
[D]. Roots
Q20

The number of chromosomes in parents and off-springs of a particular species remains constant due to

[A]. Doubling of chromosomes after zygote formation
[B]. Halving of chromosomes during gamete formation
[C]. Doubling of chromosomes after gamete formation
[D]. Halving of chromosomes after gamete formation



Q21

The correct sequence of reproductive stages seen in flowering plants is

[A]. Gametes, zygote, embryo, seedling
[B]. Zygote, gametes, embryo, seedling
[C]. Seedling, embryo, zygote, gametes
[D]. Gametes, embryo, zygote, seedling
Q22

In Spirogyra, asexual reproduction takes place by

[A]. Breaking up of filaments into smaller bits
[B]. Division of a cell into two cells
[C]. Division of a cell into many cells
[D]. Formation of young cells from older cells
Q23

A feature of reproduction that is common to Amoeba, Spirogyra and Yeast is that

[A]. They reproduce asexually
[B]. They are all unicellular
[C]. They reproduce only sexually
[D]. They are all multicellular
Q24

Characters transmitted from parents to offspring are present in

[A]. Cytoplasm
[B]. Ribosome
[C]. Golgi bodies
[D]. Genes
Q25

In the list of organisms given below, those that reproduce by the asexual method are

[A]. Dog, and Amoeba
[B]. Banana, Yeast, Amoeba
[C]. Banana, Amoeba
[D]. Dog, Yeast, Amoeba
What is meant by Vegetative Propagation according to 10th Science Chapter 8?

Producing a new plant using the parts of plants like leaf, stem, roots, etc., is known as Vegetative Propagation.

What is Carpel in flower as per Class 10 Science Chapter 10?

Carpel is present in the centre of a flower and is the female reproductive part.

What happen to zygote after fertilisation according to NCERT 10th Science?

After fertilisation, the zygote divides several times to form an embryo within the ovule. The ovule develops a tough coat and is gradually converted into a seed.

What is the function of placenta explained in 10th Science NCERT Book Chapter 8?

The embryo gets nutrition from the mother’s blood with the help of a special tissue called placenta.

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