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

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

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

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
Q8

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
Q9

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
Q10

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
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

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

Factors responsible for the rapid spread of bread mould on slices of bread are

[A]. Large number of spores, and Presence of tubular branched hyphae
[B]. Availability of moisture and nutrients in bread, and Formation of round shaped sporangia
[C]. Large number of spores, and Availability of moisture and nutrients in bread
[D]. Presence of tubular branched hyphae, and Formation of round shaped sporangia
Q17

Vegetative propagation refers to formation of new plants from

[A]. Stem, roots and flowers
[B]. Stem, roots and leaves
[C]. Stem, flowers and fruits
[D]. Stem, leaves and flowers
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

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
Q22

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
Q23

Characters transmitted from parents to offspring are present in

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