Science Series 2026 - Biology Human 08

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Question 1: Which of the following is a correct match?

Question 2: Muscles of the face help mainly in:

Urine storage

Facial expressions and speech

Bile secretion

Filtration of blood

Question 3: Involuntary muscles are controlled by:

Only sensory nerves

Autonomic nervous system

Only bones

Only cerebrum

Question 4: If the supply of oxygen to muscles becomes insufficient, muscles may switch to:

Anaerobic respiration

Pollination

Transpiration

Photosynthesis

Question 5: The term 'muscle tone' refers to:

Complete relaxation always

Continuous slight contraction in resting muscles

Bone hardness

Blood clotting

Question 6: Which of these muscles is NOT voluntary?

Muscles of arms

Muscles of fingers

Muscles in the intestine wall

Muscles of legs

Question 7: During shivering, the body produces heat mainly due to:

Growth hormone release

Urine formation

Bile secretion

Rapid contractions of skeletal muscles

Question 8: A student feels tired after holding a heavy bag. This happens because muscles need continuous:

Energy supply for contraction

Bone marrow formation

Bile production

Urine storage

Question 9: The circular muscle in the eyelids helps in:

Breathing

Digestion

Blood filtration

Blinking

Question 10: In human body, the muscle that helps push food down the oesophagus is:

Smooth muscle

Cardiac muscle

Voluntary jaw muscle

Bone muscle

Question 11: Which activity mainly uses voluntary skeletal muscles?

Pupil reflex

Kicking a football

Beating of heart

Movement of food in intestine

Question 12: The correct reason why muscles need blood supply is:

To receive oxygen and nutrients for energy

To receive bile salts

To receive urine

To receive bone minerals

Question 13: The endocrine system is made up of glands that secrete:

Hormones

Bile

Urine

Digestive enzymes

Question 14: Which gland is often called the 'master gland' because it controls other endocrine glands?

Pancreas

Adrenal gland

Thyroid gland

Pituitary gland

Question 15: Growth hormone is secreted by the:

Pancreas

Thyroid gland

Adrenal gland

Pituitary gland

Question 16: Deficiency of growth hormone in childhood can lead to:

Diabetes

Dwarfism

Gigantism

Goitre

Question 17: Excess secretion of growth hormone in childhood can lead to:

Gigantism

Dwarfism

Anaemia

Goitre

Question 18: Thyroxine is secreted by the:

Pituitary gland

Testes

Thyroid gland

Pancreas

Question 19: Iodine is necessary for the production of:

Oestrogen

Thyroxine

Adrenaline

Insulin

Question 20: A swollen neck due to enlarged thyroid gland is called:

Rickets

Asthma

Goitre

Scurvy

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Quizzes » Science Series 2026 - Biology Human 08