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 2022-2023

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

Class 10 Science Chapter 8 MCQ with Answers for 2022-23

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

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

The correct sequence of organs in the male reproductive system for transport of sperms is

[A]. Testis → vas deferens → urethra
[B]. Testis → ureter → urethra
[C]. Testis → urethra → ureter
[D]. Testis → vas deferens → ureter
Q4

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

[A]. Many single celled organisms like protozoa and bacteria just split into two identical halves during cell division, leading to the creation of new organisms, called fission.
[B]. In multiple fission the parent organism divides to form many new organisms at the same time
[C]. In binary fission the parent organism divides to form three new organisms.
[D]. Paramecium and amoeba dividing or reproducing by the method of binary fission.
Q5

In human males, the testes lie in the scrotum, because it helps in the

[A]. Process of mating
[B]. Formation of sperm
[C]. Easy transfer of gametes
[D]. All the above
Q6

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.
Q7

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
Q8

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
Q9

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

[A]. The process of growing many plants from one plant by man-made methods is called artificial propagation of plants.
[B]. Cutting are a means of asexual reproduction in plants.
[C]. By layering method, a branch of the plant is pulled towards the ground and a part of it is covered with moist soil leaving the tip of the branch exposed above the ground.
[D]. All the above
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

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

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 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

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

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
Q24

In a flower, the parts that produce male and female gametes (germ cells) are

[A]. Stamen and anther
[B]. Filament and stigma
[C]. Anther and ovary
[D]. Stamen and style
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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