Daily Quiz | Science Series 2026

Science Series 2026 - Biology Human 07

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Question 1: Insulin is produced by the:

Thyroid gland

Pituitary gland

Adrenal gland

Pancreas

Question 2: Insulin helps to:

Increase blood glucose level

Digest proteins

Lower blood glucose level

Increase bile secretion

Question 3: A disease characterized by high blood sugar due to lack of insulin is:

Asthma

Goitre

Diabetes mellitus

Anaemia

Question 4: The hormone that increases blood glucose level when it falls too low is:

Thyroxine

Glucagon

Insulin

Pepsin

Question 5: Adrenal glands secrete adrenaline which prepares the body for:

Urine storage

Digestion during sleep

Fight-or-flight response

Bone formation

Question 6: Adrenaline causes the heart rate to:

Become irregular always

Decrease

Increase

Stop

Question 7: The parathyroid glands mainly regulate the level of:

Urea in blood

Calcium in blood

Glucose in blood

Oxygen in blood

Question 8: The gland that secretes melatonin (sleep-related hormone) is the:

Pituitary gland

Pancreas

Pineal gland

Thymus

Question 9: The endocrine gland that is also part of the reproductive system in females is the:

Lymph node

Salivary gland

Ovary

Sweat gland

Question 10: Testosterone is mainly produced by the:

Testes

Ovaries

Pancreas

Thyroid gland

Question 11: Oestrogen and progesterone are mainly produced by the:

Testes

Adrenals only

Pituitary only

Ovaries

Question 12: Hormones are transported to target organs through:

Air passages

Nerve fibres

Blood

Bones

Question 13: Which of these is an example of an endocrine gland?

Sweat gland

Gastric gland

Thyroid

Salivary gland

Question 14: Endocrine glands are called ductless glands because they:

Filter blood

Release hormones directly into blood

Do not produce any secretion

Store bile

Question 15: Which gland controls metabolism rate in the body?

Adrenal gland

Thyroid gland

Thymus

Pancreas

Question 16: A person with hypothyroidism may show:

Slow metabolism and weight gain

Increased hearing

High growth rate in adults

Faster digestion only

Question 17: A person with hyperthyroidism may show:

No sweating

Very slow heartbeat always

Fast metabolism and weight loss

Complete lack of energy release

Question 18: Which hormone helps in development of secondary sexual characters in boys?

Thyroxine

Insulin

Testosterone

Pepsin

Question 19: Which hormone helps in development of secondary sexual characters in girls?

Trypsin

Glucagon

Oestrogen

Adrenaline

Question 20: The gland that secretes insulin and glucagon is an example of a gland with both endocrine and exocrine functions. It is the:

Pituitary

Pancreas

Parathyroid

Thyroid

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