CBSE Class 8 Science Reaching The Age of Adolescence MCQs
Refer to CBSE Class 8 Science Reaching The Age of Adolescence MCQs provided below available for download in Pdf. The MCQ Questions for Class 8 Science with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 10 Reaching the Age of Adolescence are an important part of exams for Class 8 Science and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 8 Science and also download more latest study material for all subjects
नीचे दिए गए CBSE कक्षा 8 विज्ञान किशोरावस्था की आयु तक पहुँचने के MCQ देखें जो पीडीएफ में डाउनलोड के लिए उपलब्ध हैं। कक्षा 8 विज्ञान के लिए MCQ प्रश्न उत्तर के साथ CBSE, NCERT और KVS द्वारा सुझाए गए नवीनतम पाठ्यक्रम और परीक्षा पैटर्न के अनुसार संरेखित हैं। अध्याय 10 किशोरावस्था की आयु तक पहुँचने के लिए बहुविकल्पीय प्रश्न कक्षा 8 विज्ञान के लिए परीक्षाओं का एक महत्वपूर्ण हिस्सा हैं और यदि ठीक से अभ्यास किया जाए तो आपको अपनी समझ को बेहतर बनाने और उच्च अंक प्राप्त करने में मदद मिल सकती है। CBSE कक्षा 8 विज्ञान के लिए अधिक अध्याय-वार MCQ देखें और सभी विषयों के लिए अधिक नवीनतम अध्ययन सामग्री भी डाउनलोड करें
MCQ for Class 8 Science Chapter 10 Reaching the Age of Adolescence
Class 8 Science students should refer to the following multiple-choice questions with answers for Chapter 10 Reaching the Age of Adolescence in Class 8.
कक्षा 8 विज्ञान के छात्रों को कक्षा 8 के अध्याय 10 किशोरावस्था की ओर बढ़ना के लिए निम्नलिखित बहुविकल्पीय प्रश्नों के उत्तर देखने चाहिए।
Chapter 10 Reaching the Age of Adolescence MCQ Questions Class 8 Science with Answers
Question. The period of life, when the body undergoes changes, leading to reproductive maturity, is called
a) childhood
b) adolescence
c) Grown up
d) Old age
Answer: B
Question. The human body undergoes several changes during adolescence. These changes mark the onset of
a) Puberty
b) Prematurity
c) Post adolescence
d) ageing
Answer: A
Question. Adam’s apple is prominent in
a) Boys of any age
b) Adolescent girls
c) Girls of any age
d) Adolescent boys
Answer: D
Question. Larynx is also called
a) Voice box
b) Sound box
c) Black box
d) All of the above
Answer: A
Question. Acne and pimples on the face is due to secretion of
a) bile from liver
b) Oil glands during puberty
c) Enzymes in the digestive tract
d) Tear from tear glands
Answer: B
Question. Testosterone is a hormone found in human ___
a) Children
b) males and females
c) Females only
d) Males only
Answer: D
Question. The first menstrual flow is called
a) Menstruation
b) Mensuration
c) Menarche
d) Menopause
Answer: C
Question. Menopause occurs at the age of
a) 10-12 years in boys
b) 45-50 years in men
c) 10-12 years in girls
d) 45-50 years in women
Answer: D
Question. When a sperm containing Y chromosome fertilizes an egg with X chromosome, the zygote develops into a _____ child
a) Female
b) Either a male or female
c) Male
d) No child
Answer: C
Question. The change from larvae to adult is called
a) Metabolism
b) Metamorphosis
c) Metastasis
d) Morphology
Answer: B
Question: The male hormone is
a) Testosterone
b) Estragon
c) Projestrone
d) All of these
Answer: A
Question: The number of chromosomes are present in human cell.
a) 23 pairs
b) 22 pairs
c) 24 pairs
d) 24 pairs
Answer: A
Question: Puberty age in females is
a) 10 - 12 years
b) 12 - 14 years
c) 8 - 10 years
d) More than 14 years
Answer: A
Question: Fertilisation is called
a) Fusion of sperms and eggs
b) To produce sperm
c) To produce eggs
d) All of these
Answer: A
Question: The period of maturity of reproductive organs is called.
a) Adolescene period
b) Mensuration
c) Gestation period
d) None of the options
Answer: A
Question: Initially girls grow _____ than boys.
a) Faster
b) Slower
c) Faster and slower
d) None of the options
Answer: A
Question: There are__ __ pairs of chromosome in human cell.
a) 23
b) 46
c) 22
d) All are wrong
Answer: A
Question: Thyroxin produced by
a) Thyroid gland
b) Pituitary gland
c) Adrenal gland
d) Testes
Answer: A
Question: The egg is
a) Female gamete
b) Egg gamete
c) Egg gamete and female gamete
d) None of the options
Answer: A
Question: Larynx is called
a) Voice box
b) Music box
c) Respiratory organ
d) None of the options
Answer: A
(a) 23
(b) 46
(c) 22
(d) All are wrong
(a) insulin
(b) thyroxine
(c) growth
(d) adrenalin
(a) leafy vegetabks
(b) citrus
(c) meat
(d) all of these
(a) Estragon
(b) Projestrone
(c) Testosterone
(a) Ovulation
(b) Enlargement of breasts
(c) Broadening of hips
(d) All of these
(a) with lymph
(b) by ducts
(c) with blood
(d) none of these