Chapter 7 Reaching The Age Of Adolescence Question Answers

Important Terms to Learn Before Starting Making Notes 🗒

Adam’s Apple (गले का बटन): The lump or protrusion formed by the angle of the thyroid cartilage surrounding the larynx, more prominent in males.

Adolescence (किशोरावस्था): The transitional period between childhood and adulthood, typically involving physical and psychological development.

Adrenalin (एड्रेनलिन): A hormone released by the adrenal glands that increases heart rate, muscle strength, and energy during stress.

Balanced Diet (संतुलित आहार): A diet that contains the right proportions of carbohydrates, proteins, fats, vitamins, minerals, and water necessary to maintain good health.

Endocrine Glands (अंतःस्रावी ग्रंथियाँ): Glands that secrete hormones directly into the bloodstream.

Estrogen (एस्ट्रोजेन): A hormone produced primarily by the ovaries, responsible for the development and regulation of the female reproductive system and secondary sexual characteristics.

Hormones (हार्मोन): Chemical substances produced by endocrine glands that regulate various functions in the body.

Insulin (इंसुलिन): A hormone produced by the pancreas that regulates blood sugar levels by facilitating the uptake of glucose into cells.

Larynx (कंठ): The part of the respiratory tract containing the vocal cords, also known as the voice box.

Pituitary Gland (पीयूष ग्रंथि): A small endocrine gland at the base of the brain that controls growth and development and the functioning of other endocrine glands.

Puberty (यौवनारंभ): The period during which adolescents reach sexual maturity and become capable of reproduction.

Reproductive Health (प्रजनन स्वास्थ्य): A state of complete physical, mental, and social well-being in all matters relating to the reproductive system.

Secondary Sexual Characters (द्वितीयक यौन लक्षण): Traits that develop during puberty and distinguish the two sexes, such as breast development in females and facial hair in males.

Sex Chromosomes (लिंग गुणसूत्र): Chromosomes that determine the sex of an individual, X and Y chromosomes.

Target Site (लक्ष्य स्थल): The specific cells or tissues on which a hormone or drug acts.

Testosterone (टेस्टोस्टेरोन): A hormone produced primarily by the testes in males, responsible for the development of male secondary sexual characteristics.

Thyroxine (थायरोक्सिन): A hormone produced by the thyroid gland that regulates metabolism, growth, and development.

Voice Box (स्वरयंत्र): Another term for the larynx, containing the vocal cords.

Exercise Question Starts Here: Start Working 🖊️

1. What is the Term Used for Chemical Secretions of Endocrine Glands Responsible for Changes Taking Place in the Body?

The term is hormones (हार्मोन). Hormones are chemical substances secreted by endocrine glands (अंत:स्रावी ग्रंथियों) that control and regulate various functions and changes in the body.

2. Define Adolescence (किशोरावस्था को परिभाषित करें)

Adolescence (किशोरावस्था) is the period of life when a child develops into an adult. It typically begins at puberty (यौवन) and ends when an individual reaches physical and emotional maturity.

3. What is Menstruation? Explain (मासिक धर्म क्या है? समझाएं)

Menstruation (मासिक धर्म) is the monthly shedding of the lining of the uterus (गर्भाशय) in females. It is a natural process that usually starts during adolescence and is a part of the reproductive cycle. The lining of the uterus breaks down and is expelled from the body through the vagina (योनि) if pregnancy does not occur.

4. List Changes in the Body that Take Place at Puberty (यौवन में शरीर में होने वाले परिवर्तनों की सूची बनाएं)

Growth spurts (वृद्धि की तीव्रता): Rapid increase in height and weight.
Development of secondary sexual characteristics (माध्यमिक यौन लक्षणों का विकास): Such as the growth of facial hair in boys and the development of breasts in girls.
Voice changes (आवाज़ में परिवर्तन): Boys’ voices become deeper.
Increase in sweat and oil production (पसीने और तेल उत्पादन में वृद्धि): Leading to body odor and acne.
Development of reproductive organs (प्रजनन अंगों का विकास): Testes in boys and ovaries in girls become functional.
Emotional changes (भावनात्मक परिवर्तन): Increased mood swings and emotional sensitivity.

5. Prepare a Table Having Two Columns Depicting Names of Endocrine Glands and Hormones Secreted by Them (एंडोक्राइन ग्रंथियों के नाम और उनके द्वारा स्रावित हार्मोन दर्शाने वाली दो स्तंभों वाली तालिका तैयार करें)

Endocrine Gland (अंत:स्रावी ग्रंथि)	Hormone Secreted (स्रावित हार्मोन)
Pituitary gland (पिट्यूटरी ग्रंथि)	Growth hormone (वृद्धि हार्मोन)
Thyroid gland (थायरॉइड ग्रंथि)	Thyroxine (थायरोक्सिन)
Pancreas (अग्न्याशय)	Insulin (इंसुलिन)
Adrenal glands (अधिवृक्क ग्रंथियाँ)	Adrenaline (एड्रेनालाईन)
Ovaries (अंडाशय)	Estrogen (एस्ट्रोजन)
Testes (वृषण)	Testosterone (टेस्टोस्टेरोन)

6. What are Sex Hormones? Why are They Named So? State Their Function (सेक्स हार्मोन क्या हैं? इन्हें ऐसा क्यों कहा जाता है? इनके कार्य बताएं।)

Sex hormones (यौन हार्मोन) are hormones that control the development and function of reproductive organs and secondary sexual characteristics. They are called sex hormones because they are responsible for the growth and regulation of the reproductive system (प्रजनन तंत्र).

Function (कार्य):

Estrogen (एस्ट्रोजन): Found in females, it regulates the menstrual cycle (मासिक धर्म चक्र), and development of breasts and other secondary sexual characteristics.
Testosterone (टेस्टोस्टेरोन): Found in males, it regulates the development of male reproductive tissues (पुरुष प्रजनन ऊतक) like testes and prostate, as well as promoting secondary sexual characteristics like increased muscle and bone mass.

7. Choose the Correct Option (सही विकल्प चुनें)

(a) Adolescents should be careful about what they eat, because
(ii) proper diet is needed for the rapid growth taking place in their body. (सही आहार उनके शरीर में हो रही तीव्र वृद्धि के लिए आवश्यक है।)

(b) Reproductive age in women starts when their
(i) menstruation starts. (मासिक धर्म शुरू होता है।)

8. Write Notes on (नोट्स लिखें)

(a) Adam’s apple (एडम्स एप्पल): It is the noticeable bulge or lump in the throat (गले में उभार) of males, caused by the growth of the larynx (voice box) during puberty.

(b) Secondary sexual characters (माध्यमिक यौन लक्षण): These are features that appear during puberty but are not directly involved in reproduction, such as breast development in girls and facial hair in boys.

(c) Sex determination in the unborn baby (अजन्मे शिशु में लिंग निर्धारण): The sex of an unborn baby is determined by the chromosomes (गुणसूत्र) inherited from the parents. Typically, XX chromosomes result in a female, and XY chromosomes result in a male.

9. Word Game: Use the Clues to Work Out the Words (शब्द खेल: संकेतों का उपयोग करके शब्द निकालें)

Across: 3. Protruding voice box in boys: Adam’s apple (एडम्स एप्पल)
4. Glands without ducts: Endocrine (अंत:स्रावी)
7. Endocrine gland attached to brain: Pituitary (पिट्यूटरी)
8. Secretion of endocrine glands: Hormones (हार्मोन)
9. Pancreatic hormone: Insulin (इंसुलिन)
10. Female hormone: Estrogen (एस्ट्रोजन)

Down:

Male hormone: Testosterone (टेस्टोस्टेरोन)
Secretes thyroxine: Thyroid (थायरॉइड)
Another term for teenage: Adolescence (किशोरावस्था)
Hormone reaches here through blood stream: Target (लक्ष्य)
Voice box: Larynx (स्वरयंत्र)
Term for changes at adolescence: Puberty (यौवन)

Chapter 7 Reaching The Age Of Adolescence Question Answers

Important Terms to Learn Before Starting Making Notes 🗒

Exercise Question Starts Here: Start Working 🖊️

1. What is the Term Used for Chemical Secretions of Endocrine Glands Responsible for Changes Taking Place in the Body?

2. Define Adolescence (किशोरावस्था को परिभाषित करें)

3. What is Menstruation? Explain (मासिक धर्म क्या है? समझाएं)

4. List Changes in the Body that Take Place at Puberty (यौवन में शरीर में होने वाले परिवर्तनों की सूची बनाएं)

6. What are Sex Hormones? Why are They Named So? State Their Function (सेक्स हार्मोन क्या हैं? इन्हें ऐसा क्यों कहा जाता है? इनके कार्य बताएं।)

7. Choose the Correct Option (सही विकल्प चुनें)

8. Write Notes on (नोट्स लिखें)

9. Word Game: Use the Clues to Work Out the Words (शब्द खेल: संकेतों का उपयोग करके शब्द निकालें)

Other Chapter Question Answers: 👉

Like this:

Important Terms to Learn Before Starting Making Notes 🗒

Exercise Question Starts Here: Start Working 🖊️

1. What is the Term Used for Chemical Secretions of Endocrine Glands Responsible for Changes Taking Place in the Body?

2. Define Adolescence (किशोरावस्था को परिभाषित करें)

3. What is Menstruation? Explain (मासिक धर्म क्या है? समझाएं)

4. List Changes in the Body that Take Place at Puberty (यौवन में शरीर में होने वाले परिवर्तनों की सूची बनाएं)

6. What are Sex Hormones? Why are They Named So? State Their Function (सेक्स हार्मोन क्या हैं? इन्हें ऐसा क्यों कहा जाता है? इनके कार्य बताएं।)

7. Choose the Correct Option (सही विकल्प चुनें)

8. Write Notes on (नोट्स लिखें)

9. Word Game: Use the Clues to Work Out the Words (शब्द खेल: संकेतों का उपयोग करके शब्द निकालें)

Other Chapter Question Answers: 👉

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