ICSE Class 8CISCE
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty

Selina solutions for Class 8 Biology chapter 3 - Reproduction in Humans

Selina Concise Biology for Class 8 (2018-19 Session)

Login
Create free account


      Forgot password?

Chapters

Selina Selina Concise Biology Class 8 (2018-19 Session)

Selina Concise Biology for Class 8 (2018-19 Session)

Chapter 3: Reproduction in Humans

Chapter 3: Reproduction in Humans solutions [Page 0]

Put a tick mark (✓) against the correct alternative in the following statement:

The testes are located within the:

  1. Penis
  2. Scrotum
  3. Ureter
  4. Urinary bladder

Put a tick mark (✓) against the correct alternative in the following statement:

Amoeba is most commonly reproduced by:

  1. Budding
  2. Regeneration
  3. Binary fission
  4. Multiple fission

Put a tick mark (✓) against the correct alternative in the following statement:

Identify the stage which is formed after the fertilisation of the egg by the sperm?

  1. Ovule
  2. Foetus
  3. Embryo
  4. Zygote

Put a tick mark (✓) against the correct alternative in the following statement:

Internally, the uterus opens into:

  1. Urethra
  2. Vagina
  3. Oviduct
  4. Vulva

Put a tick mark (✓) against the correct alternative in the following statement:

Which one of the following represents the correct sequence in the life history of a butterfly ?

  1. Egg → Larva → Adult → Pupa
  2. Egg → Pupa → Adult → Larva
  3. Egg → Larva → Pupa → Adult
  4. Egg → Pupa → Larva → Adult

Chapter 3: Reproduction in Humans solutions [Page 0]

Distinguish between the following pair of terms:

Egg and sperm.

Distinguish between the following pair of terms:

Sexual reproduction and asexual reproduction.

Distinguish between the following pair of terms:

Budding and Regeneration.

Define the term Fetilization.

Define the term  Implantation.

Define the term Puberty.

State the reason why testes lie outside the abdomen in a scrotum?

Why is it important that a very large number of sperms should be present in the semen ?

List the structures, in their correct sequence, through which the sperms must pass from the time they are produced in the testes to the time they leave the urethra.

State the function of Ovary.

State the function of Testes.

State the function of Fallopian tubes.

State the function of Seminal vesicle.

State the function of Uterus.

Given here is a section of the female reproductive system of human beings.

(a) Name the parts labelled 1 to 4
(b) Name the part where fertilisation occurs in human beings.

Given alongside is a diagram of male reproductive system in humans. Label the parts indicated by numbers 1 to 5, and state their functions.

Chapter 3: Reproduction in Humans solutions [Page 0]

How does a single called fertilized egg grows into an adult in human beings?

Describe the human female reproductive system with a labelled diagram.

Chapter 3: Reproduction in Humans solutions [Page 0]

Multiple choice question. Tick (✓) the correct choice:

Testis are present in a sac called

  1. scrotum
  2. oviduct
  3. epididymis
  4. none of the above

Multiple choice question. Tick (✓) the correct choice:

Butterfly in its development from larva to an adult shows

  1. multiplication
  2. metamorphosis
  3. fertilisation
  4. none of the above

Multiple choice question. Tick (✓) the correct choice:

Which of the following glands is responsible for bringing about changes during adolescence in boys and girls?

  1. pituitary
  2. adrenal
  3. thyroid
  4. testis

Chapter 3: Reproduction in Humans solutions [Page 0]

Fill in the blank:

Lower part of uterus is called _________.

Fill in the blank:

The sac-like structure present outside the body and which contains testes is called _________.

Fill in the blank:

Male gemetes are produced inside _______.

Fill in the blank:

Development of baby (foetus) takes place inside __________.

Fill in the blank:

The time between fertilisation and birth is called _________.

Chapter 3: Reproduction in Humans solutions [Page 0]

Find the odd one out, give reason:

Testes, epididymis, uterus, vas deferens

Chapter 3: Reproduction in Humans solutions [Page 0]

Differentiate between the following:

Sperm and Ovum

Differentiate between the following:

External fertilisation and Internal fertilisation.

Chapter 3: Reproduction in Humans solutions [Page 0]

Define the term Growth.

Define the term Development.

Define the term Adolescence.

Define the term Puberty.

Define the term Metamorphosis.

Chapter 3: Reproduction in Humans solutions [Page 0]

Mention the common method of reproduction in Amoeba.

Mention the common method of reproduction in Hydra.

Mention the common method of reproduction in Flatworm.

Mention the common method of reproduction in Start fish.

Chapter 3: Reproduction in Humans solutions [Page 0]

Mention the functions of Testis.

Mention the functions of Ovary.

Mention the functions of Uterus.

Mention the functions of Oviduct.

Chapter 3: Reproduction in Humans solutions [Page 0]

Which part of the human body produces  Sperms?

Which part of the human body produces Ova?

Name the organ involved in the following:

Fertilisation of ovum by tile sperm.

Name the organ involved in the following:

Passing of sperms from a man to a woman.

Describe the male and female reproductive systems in humans.

What happens in a boy’s body under the influence of hormones?

What happens in a girl’s body under the influence of hormones?

Mention the changes which occur during adolescence in humans.

Describe the different methods of asexual reproduction in animals.

Adolesecence is considered a critical stage in the life of boys and girls. Explain this statement.

Describe the various stages in the life cycle of a butterfly.

Chapter 3: Reproduction in Humans

Selina Selina Concise Biology Class 8 (2018-19 Session)

Selina Concise Biology for Class 8 (2018-19 Session)

Selina solutions for Class 8 Biology chapter 3 - Reproduction in Humans

Selina solutions for Class 8 Biology chapter 3 (Reproduction in Humans) include all questions with solution and detail explanation. 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 the CISCE Selina Concise Biology for Class 8 (2018-19 Session) 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. Selina 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 Biology chapter 3 Reproduction in Humans are Concept of Sexual Reproduction, Main Organs Male Reproductive System, Main Organs Female Reproductive System.

Using Selina Class 8 solutions Reproduction in Humans exercise 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 Selina Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 8 prefer Selina Textbook Solutions to score more in exam.

Get the free view of chapter 3 Reproduction in Humans Class 8 extra questions for Biology and can use shaalaa.com to keep it handy for your exam preparation

S
View in app×