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CBSE
Class 8 Science
Reaching The Age Of Adolescence
Quiz 3
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AIDS can spread from an infected person to another person through
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sharing food
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sharing comb
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blood transfusion
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a mosquito bite
The chemical substances which are secreted from endocrine glands are
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enzymes
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Hormones
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Estrogen
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Chromosomes
What is the normal duration of menstrual cycle?
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2 to 7 days
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14 days
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28 to 30 days
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40 weeks
Which gland is called dual gland?
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Testis
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Liver
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Adrenaline
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Lung
The period of life, when the body undergoes changes, leading to reproductive maturity, is called
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Puberty
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Menstruation
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adolescence
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None of these
Which is these gland is called the ductless gland
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Endocrine glands
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sweat glands
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sebaceous glands
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salivary glands
Endocrine glands release hormones into the bloodstream to reach a particular body part called _____
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Target site
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Secondary site
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Active Site
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None of these
Menopause is generally seen in which of the following age?
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10-15 years
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45-50 years
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30-40 years
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25-30 years
The adult male develops…………….which makes their voice loud and deep
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sweat glands
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larynx
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oil glands
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sebaceous gland
The chromosome present in females is
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XX
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XY
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XO
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YO
Thyroid : goitre ; Pancreas : ……
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gigantism
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dwarfism
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Diabetes
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pheromones
Which of the following is important for growth of tadpoles?
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calcium
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Sodium
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Potassium
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Iodine
What is menarche?
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The stopping of the menstrual cycle
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The first occurrence of the menstrual cycle
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The last occurrence of the menstrual cycle.
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The lack of menstrual cycle in a female.
What is the size of the master gland?
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The size of the heart
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The size of a kidney
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The size of a pea
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The size of the stomach
Which of the following term is not related to the female reproductive system?
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menarche
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menopause
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ovary
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testosterone
Which of the following should an adolescent choose for his/her meal?
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Chips, noodles, and aerated beverages
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paneer cutlets, chips, and coca-cola
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Rice, noodles, and nuggets
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Chapathi, dal, and vegetables
What determines the sex of the baby?
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chromosome
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hormones
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reproductive organs
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None of these
Statement 1: Sweat glands, salivary glands, and oil glands do not release their secretions directly into the blood. Statement 2: Pancreas is an exocrine gland
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Both the statements are correct.
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Only statement 2 is correct.
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Both the statements are incorrect.
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Only statement 1 is correct.
Statement 1: The inner lining of the stomach becomes thickened, supplied with extra blood vessels. Statement 2: It occurs in anticipation of fertilization.
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Both the statements are correct.
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Only statement 2 is correct.
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Both the statements are incorrect.
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statement 1 is incorrect.
Statement 1: The testes in the males start producing sperms. Statement 2: peer pressure shows an effect on teenagers.
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Both the statements are correct
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Only statement 2 is correct.
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Both the statements are incorrect.
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statement 1 is incorrect.
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