Class 8th Science Chapter – 7 Reaching the Age of Adolescence
| Textbook | NCERT |
| Class | 8th |
| Subject | Science |
| Chapter | 7th |
| Chapter Name | Reaching the Age of Adolescence |
| Category | Class 8th Science |
| Medium | English |
| Source | Last Doubt |
| Class 8th Science Chapter – 7 Reaching the Age of Adolescence MCQ With Answer Is 18 still a kid?, Do girls grow after period?, When girls stop growing?, Can I grow taller after 21?, Can my 10 year old start her period?, Can I grow 3 inches after my period?, Can a girl get her period at 7 years old?, How girls can increase height?, How can I increase my height?, What foods help with height?, Does yoga increase height?, Can skipping increase height?, Do bananas help growth?, Is milk good for height growth?, Is milk good for height gain?, Is papaya good for height?, Do kids need milk? |
Class 8th Science Chapter – 7 Reaching the Age of Adolescence
Chapter – 7
Reaching the Age of Adolescence
MCQ
| (1) What is the stoppage of menstruation called ? A. Menarche B. Menopause C. Gametes D. Insulin Answer – (B) Menopause |
| (2) Out of these which one determines the sex of the baby ? A. Hormones B. Chloroplast C. Chromosomes D. Pituitary gland Answer – (C) Chromosomes |
| (3) The chemical substances which are secreted from endocrine glands are called ? A. puberty B. hormones C. estrogen D. adolescence Answer – (B) hormones |
| (4) Adam’s apple is ? A. enlarged larynx B. mammary glands C. apple of adam D. red apple Answer – (A) enlarged larynx |
| (5) Testes secrete ? A. thyroxin B. estrogen C. testosterone D. iodine Answer – (C) testosterone |
| (6) In males, the sex chromosome consists ? A. one X and one Y B. both X and X C. both Y and Y D. one M and one X Answer – (A) one X and one Y |
| (7) The beginning of menstruation at puberty is called ? A. ovulation B. menstruation C. menarche D. menopause Answer – (C) menarche |
| (8) Which is male gonads ? A. Hair B. Chest C. Moustache D. Testis Answer – (D) Testis |
| (9) Reproduction age in women starts when their ? A. menstruation starts B. breasts start developing C. body weight increases D. height increases Answer – (A) menstruation starts |
| (10) Which hormone is secreted by adrenal glands ? A. Adrenalin B. Insulin C. Testosterone D. Estrogen Answer – (A) Adrenalin |
| (11) Larynx is also called ? A. Voice box B. Sound box C. Black box D. All of the above Answer – (A) Voice box |
| (12) Adam’s apple is prominent in ? A. Boys of any age B. Adolescent girls C. Girls of any age D. Adolescent boys Answer – (D) Adolescent boys |
| (13) 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) Puberty |
| (14) 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) adolescence |
| (15) Production of thyroxin requires ? A. sodium B. magnesium C. iodine D. bromine Answer – (C) iodine |
| (16) 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) Male |
| (17) 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) 45-50 years in women |
| (18) The first menstrual flow is called ? A. Menstruation B. Mensuration C. Menarche D. Menopause Answer – (C) Menarche |
| (19) Testosterone is a hormone found in human _ ? A. Children B. males and females C. Females only D. Males only Answer – (D) Males only |
| (20) 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) Oil glands during puberty |
You Can Join Our Social Account
| Youtube | Click here |
| Click here | |
| Click here | |
| Click here | |
| Click here | |
| Telegram | Click here |
| Website | Click here |