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» Science Series 2026 - Biology Human 07
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» Science Series 2026 - Biology Human 07
Science Series 2026 - Biology Human 07
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Question 1: Insulin is produced by the:
Thyroid gland
Pituitary gland
Adrenal gland
Pancreas
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Question 2: Insulin helps to:
Increase blood glucose level
Digest proteins
Lower blood glucose level
Increase bile secretion
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Question 3: A disease characterized by high blood sugar due to lack of insulin is:
Asthma
Goitre
Diabetes mellitus
Anaemia
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Question 4: The hormone that increases blood glucose level when it falls too low is:
Thyroxine
Glucagon
Insulin
Pepsin
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Question 5: Adrenal glands secrete adrenaline which prepares the body for:
Urine storage
Digestion during sleep
Fight-or-flight response
Bone formation
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Question 6: Adrenaline causes the heart rate to:
Become irregular always
Decrease
Increase
Stop
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Question 7: The parathyroid glands mainly regulate the level of:
Urea in blood
Calcium in blood
Glucose in blood
Oxygen in blood
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Question 8: The gland that secretes melatonin (sleep-related hormone) is the:
Pituitary gland
Pancreas
Pineal gland
Thymus
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Question 9: The endocrine gland that is also part of the reproductive system in females is the:
Lymph node
Salivary gland
Ovary
Sweat gland
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Question 10: Testosterone is mainly produced by the:
Testes
Ovaries
Pancreas
Thyroid gland
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Question 11: Oestrogen and progesterone are mainly produced by the:
Testes
Adrenals only
Pituitary only
Ovaries
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Question 12: Hormones are transported to target organs through:
Air passages
Nerve fibres
Blood
Bones
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Question 13: Which of these is an example of an endocrine gland?
Sweat gland
Gastric gland
Thyroid
Salivary gland
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Question 14: Endocrine glands are called ductless glands because they:
Filter blood
Release hormones directly into blood
Do not produce any secretion
Store bile
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Question 15: Which gland controls metabolism rate in the body?
Adrenal gland
Thyroid gland
Thymus
Pancreas
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Question 16: A person with hypothyroidism may show:
Slow metabolism and weight gain
Increased hearing
High growth rate in adults
Faster digestion only
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Question 17: A person with hyperthyroidism may show:
No sweating
Very slow heartbeat always
Fast metabolism and weight loss
Complete lack of energy release
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Question 18: Which hormone helps in development of secondary sexual characters in boys?
Thyroxine
Insulin
Testosterone
Pepsin
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Question 19: Which hormone helps in development of secondary sexual characters in girls?
Trypsin
Glucagon
Oestrogen
Adrenaline
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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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