Class 10 Science Chapter 7 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 7 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 7 MCQ Online Test

Class: 10Science
Chapter: 8How do Organisms Reproduce
Contents:Multiple Choice Questions (MCQ) Tests
Academic Session:CBSE 2024-25

Class 10 Science Chapter 7 MCQ with Answers for 2024-25

Class 10 Science Chapter 7 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 7 How do organisms reproduce. All the questions are strictly confined to Latest NCERT Books for Class 10 Science only.

Q1

Which among the following diseases is not sexually transmitted?

[A]. Syphillis
[B]. Hepatitis
[C]. HIV – AIDS
[D]. Gonorrhoea
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

Which of the following statement is or are incorrect?

[A]. The process of getting back a full organism from its body parts is called regeneration.
[B]. Regeneration is exactly the same as reproduction on being cut into pieces to able to reproduce.
[C]. The breaking up of the body of a simple multicellular organisms into two or more pieces on measuring, each of which subsequently grows to form a completely new organisms, is called fragmentation.
[D]. The organisms like spirogyra and see anemones can reproduce by the method of fragmentation.
Q8

During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys

[A]. Loss of milk teeth
[B]. Increase in height
[C]. Cracking of voice
[D]. Weight gain
Q9

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

[A]. In vegetative propagation, new plants are obtained from the parts of old plants without the help of any reproductive organs.
[B]. It is necessary to plant the whole potato tuber in the ground to produce the new potato plants.
[C]. Bryophyllum plants can be reproduced by vegetative reproduction by using either a piece of its stem or its leaves.
[D]. The green grass grows in the fields after range from the dry, old stems of grass plants present in the fields, by the method of vegetative propagation.
Q10

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
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

Which of the following statements are true for flowers?

[A]. Flowers are always bisexual, and After fertilization they give rise to fruits
[B]. They are the sexual reproductive organs, and They are produced in all groups of plants
[C]. Flowers are always bisexual, and They are produced in all groups of plants
[D]. They are the sexual reproductive organs, and After fertilization they give rise to fruits.
Q13

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.
Q14

Length of pollen tube depends on the distance between

[A]. Pollen grain and upper surface of stigma
[B]. Pollen grain on upper surface of stigma and ovule
[C]. Pollen grain in anther and upper surface of stigma
[D]. Upper surface of stigma and lower part of style
Q15

Bikash is doing his homework which is given by his teacher. Would you help him to choose the correct sentences?

[A]. Ovaries are the primary reproductive organs in a woman or female.
[B]. Only one sperm fuse with the ovum or egg in the oviduct to form a zygote, called fertilization.
[C]. The embedding of embryo in the thick lining of the uterus is called implantation.
[D]. All the above.
Q16

Consider the following statements and choose the correct one:

[A]. The exchange of nutrients Oxygen and waste products between the embryo and the mother takes place through the placenta.
[B]. The time period from the fertilization up to the birth of the baby is called gestation.
[C]. In human females or girls, the ovaries start releasing ovum or egg at once every 28 days from the age of puberty.
[D]. All the above
Q17

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.
Q18

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.
Q19

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.
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 ability of a cell to divide into several cells during reproduction in Plasmodium is called

[A]. Budding
[B]. Reduction division
[C]. Binary fission
[D]. Multiple fission
Q22

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
Q23

Characters that are transmitted from parents to offspring during reproduction show

[A]. Only similarities with parents
[B]. Only variations with parents
[C]. Both similarities and variations with parents
[D]. Neither similarities nor variations
Q24

Offspring formed by asexual method of reproduction have greater similarity among themselves because

[A]. Asexual reproduction involves only one parent and Asexual reproduction does not involve gametes.
[B]. Asexual reproduction involves only one parent, and Asexual reproduction occurs before sexual reproduction
[C]. Asexual reproduction does not involve gametes, and Asexual reproduction occurs after sexual reproduction
[D]. Asexual reproduction occurs before sexual reproduction, and Asexual reproduction occurs after sexual reproduction
Q25

Which of the following is the correct sequence of events of sexual reproduction in a flower?

[A]. Pollination, fertilization, seedling, embryo
[B]. Seedling, embryo, fertilization, pollination
[C]. Pollination, fertilization, embryo, seedling
[D]. Embryo, seedling, pollination, fertilization

What is meant by Vegetative Propagation according to 10th Science Chapter 7?

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 7?

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 7?

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

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Last Edited: April 26, 2023