Class 10 Science Chapter 8 MCQ

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 2020-2021

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

Class 10 Science Chapter 8 MCQ with Answers for 2020-21

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

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.
Q2

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.




Q3

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
Q4

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
Q5

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.
Q6

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




Q7

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
Q8

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



Q9

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
Q10

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
What is meant by Vegetative Propagation?

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

What is Carpel in flower?

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

What happen to zygote after fertilisation?

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?

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



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