Growth

Q.

What are the $5$ characteristics of adolescence?

Q.

What are the physical and psychological changes that occur during adolescence ?Write two ways to manage them?

Q.

Corpus luteum secretes

1. LH

2. Estrogen

3. Progesterone

4. FSH

Q.

What are the challenges of middle adolescence?

Q. Growth in living things is _________.

1. temporary & reversible
2. permanent & irreversible
3. both A and B
4. none of the above

Q.

What are the needs and challenges of adolescence?

Q.

What is lamella

Q.

Animals can reproduce by sexual as well as asexual modes.

1. Sexual reproduction

2. Asexual reproduction

Q.

Sertoli cells are found in

1. adrenal cortex and secrete adrenaline

2. ovaries and secrete progesterone

3. pancreas and secrete cholecystokinin

4. seminiferous tubules and provide nutrition to germ cells

Q.

Differentiate between Gigantism and Acromegaly

Q.

'Teenagers' are also called adolescents.

1. True

2. False

Q.

How to grow tall?

Q. Write short note on mental, intellectual and emotional changes that happen during puberty.
[3 MARKS]

Q.

Question 07
In which part of the female reproductive organ does the embryo get embedded?

Q. Question 8(i)
Write a short note on adam's apple.
[3 MARKS]

Q.

Name the two hormones secreted by the ovaries.

Q.

Name the following:

The phase in which a child undergoes rapid physical and mental growth.

Q.

The human brain weight approximately_________% of the body weight.

Q.

Can we consider cluster of eggs as a tissue? Why?

Q.

Parthenogenesis is a mode of reproduction in which a haploid cell develops into an individual without undergoing fertilisation. This is an asexual mode of reproduction.

1. False

2. True

Q.

Why is adolescence an important stage in life?

Q.

Human body undergoes several changes during adolescence. These changes marks onset of puberty.

1. True
2. False

Q.

What changes take place in human beings in childhood, adolescence, and adulthood?

Q.

At ______ sweat and sebaceous glands become more active.

1. None of these

2. Maturity

3. Growth

4. Puberty

Q. Function of thyroxin hormone is

1. To grow
2. To develop
3. Self immunization
4. To control metabolism

Q.

Question 06
Define asexual reproduction. Describe two methods of asexual reproduction in animals.

Q.

How does Paramoecium reproduce?

Q.

During the adolescence stage, adolescents get mental, intellectual, and emotional maturity.

1. True
2. False

Q.

Puberty refers to the bodily changes, whereas _______ is the period of transition between childhood and adulthood.

1. infancy

2. adolescence

3. oldage

4. maturity

Q.

Define adolescence. [2 MARKS]