Science Series 2026 - Biology Human 07 Time Left: 8:00 Question 1: Insulin is produced by the: Thyroid gland Pituitary gland Adrenal gland Pancreas Submit Question 2: Insulin helps to: Increase blood glucose level Digest proteins Lower blood glucose level Increase bile secretion Submit Question 3: A disease characterized by high blood sugar due to lack of insulin is: Asthma Goitre Diabetes mellitus Anaemia Submit Question 4: The hormone that increases blood glucose level when it falls too low is: Thyroxine Glucagon Insulin Pepsin Submit Question 5: Adrenal glands secrete adrenaline which prepares the body for: Urine storage Digestion during sleep Fight-or-flight response Bone formation Submit Question 6: Adrenaline causes the heart rate to: Become irregular always Decrease Increase Stop Submit Question 7: The parathyroid glands mainly regulate the level of: Urea in blood Calcium in blood Glucose in blood Oxygen in blood Submit Question 8: The gland that secretes melatonin (sleep-related hormone) is the: Pituitary gland Pancreas Pineal gland Thymus Submit Question 9: The endocrine gland that is also part of the reproductive system in females is the: Lymph node Salivary gland Ovary Sweat gland Submit Question 10: Testosterone is mainly produced by the: Testes Ovaries Pancreas Thyroid gland Submit Question 11: Oestrogen and progesterone are mainly produced by the: Testes Adrenals only Pituitary only Ovaries Submit Question 12: Hormones are transported to target organs through: Air passages Nerve fibres Blood Bones Submit Question 13: Which of these is an example of an endocrine gland? Sweat gland Gastric gland Thyroid Salivary gland Submit Question 14: Endocrine glands are called ductless glands because they: Filter blood Release hormones directly into blood Do not produce any secretion Store bile Submit Question 15: Which gland controls metabolism rate in the body? Adrenal gland Thyroid gland Thymus Pancreas Submit Question 16: A person with hypothyroidism may show: Slow metabolism and weight gain Increased hearing High growth rate in adults Faster digestion only Submit Question 17: A person with hyperthyroidism may show: No sweating Very slow heartbeat always Fast metabolism and weight loss Complete lack of energy release Submit Question 18: Which hormone helps in development of secondary sexual characters in boys? Thyroxine Insulin Testosterone Pepsin Submit Question 19: Which hormone helps in development of secondary sexual characters in girls? Trypsin Glucagon Oestrogen Adrenaline Submit 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 Submit Previous Next
