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NCERT solutions for Class 8 Science chapter 9 - Reproduction in Animals

Science Textbook For Class 8

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Chapters

NCERT Science Class 8

Science Textbook For Class 8

Chapter 9 - Reproduction in Animals

Pages 110 - 111

Q 1 | Page 110

Explain the importance of reproduction in organisms.

Q 2 | Page 110

Describe the process of fertilization in human beings.

Q 3.1 | Page 110

Choose the most appropriate answer.

(a) Internal fertilization occurs

(i) in female body.

(ii) outside female body.

(iii) in male body.

(iv) outside male body.

Q 3.2 | Page 110

Choose the most appropriate answer.

A tadpole develops into an adult frog by the process of

(i) fertilization

(ii) metamorphosis

(iii) embedding

(iv) budding

Q 3.3 | Page 110

The number of nuclei present in a zygote is

(i) none

(ii) one

(iii) two

(iv) four

Q 4.1 | Page 110

Indicate whether the following statements are True (T) or False (F).

Oviparous animals give birth to young ones. ( )

Q 4.1 | Page 110

Indicate whether the following statements are True (T) or False (F).

An embryo is made up of a single cell. ( )

Q 4.2 | Page 110

Indicate whether the following statements are True (T) or False (F).

Each sperm is a single cell. ( )

Q 4.3 | Page 110

Indicate whether the following statements are True (T) or False (F).

External fertilization takes place in frogs. ( )

Q 4.4 | Page 110

Indicate whether the following statements are True (T) or False (F).

A new human individual develops from a cell called gamete. ( )

Q 4.5 | Page 110

Indicate whether the following statements are True (T) or False (F).

Egg laid after fertilization is made up of a single cell. ( )

Q 4.6 | Page 110

Indicate whether the following statements are True (T) or False (F).

Amoeba reproduces by budding. ( )

Q 4.7 | Page 110

Indicate whether the following statements are True (T) or False (F).

Fertilization is necessary even in asexual reproduction. ( )

Q 4.8 | Page 110

Indicate whether the following statements are True (T) or False (F).

Binary fission is a method of asexual reproduction. ( )

Q 4.9 | Page 110

Indicate whether the following statements are True (T) or False (F).

A zygote is formed as a result of fertilization. ( )

Q 5 | Page 110

Give two differences between a zygote and a foetus.

Q 6 | Page 110

Define asexual reproduction. Describe two methods of asexual reproduction in animals.

Q 7 | Page 110

In which female reproductive organ does the embryo get embedded?

Q 8 | Page 110

What is metamorphosis? Give examples.

Q 9 | Page 110

Differentiate between internal fertilization and external fertilization.

Q 10 | Page 111

Complete the crossword puzzle using the hints given below.

Across

1. The process of the fusion of the gametes.

6. The type of fertilization in hen.

7. The term used for bulges observed on the sides of the body of Hydra.

8. Eggs are produced here

Down

2. Sperms are produced in these male reproductive organs.

3. Another term for the fertilized egg.

4. These animals lay eggs.

5. A type of fission in amoeba.

NCERT Science Class 8

Science Textbook For Class 8

NCERT solutions for Class 8 Science chapter 9 - Reproduction in Animals

NCERT solutions for Class 8 Science chapter 9 (Reproduction in Animals) include all questions with solution and detail explanation from Science Textbook For Class 8. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has created the CBSE Science Textbook For Class 8 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at shaalaa.com are providing such solutions so that students can prepare for written exams. These NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 8 Science chapter 9 Reproduction in Animals are Modes of Reproduction, Concept of Sexual Reproduction, Concept of Asexual Reproduction.

Using NCERT solutions for Class 8 Science by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 8 prefer NCERT Textbook Solutions to score more in exam.

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