Compared to a bull, a bullock is docile because of:
1. higher levels of thyroxine
2. higher levels of cortisone
3. lower levels of blood testosterone
4. lower levels of adrenalin/noradrenalin in its blood

Subtopic:  Gonadotropin & Gonadal Hormones |
 70%
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A steroid hormone which regulates glucose metabolism is:
1. cortisol
2. corticosterone
3. 11- deoxycorticosterone
4. cortisone

Subtopic:  Adrenal Cortex: Cortisol |
 90%
From NCERT
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Which of the following is an accumulation and release centre of neurohormones?
1. Posterior pituitary lobe
2. Intermediate lobe of the pituitary
3. Hypothalamus
4. Anterior pituitary lobe

Subtopic:  Prolactin & Posterior Pituitary |
 74%
From NCERT
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Which hormone causes dilation of blood vessels, increased oxygen consumption and gluconeogenesis ?
1. ACTH
2. Insulin
3. Adrenalin
4. Glucagon

Subtopic:  Adrenal Cortex: Aldosterone |
 60%
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The source of somatostatin is same as that of
1. thyroxine and calcitonin
2. insulin and glucagon
3. somatotropin and prolactin
4. vasopresin and oxytocin

Subtopic:  Adenohypophysis & Hypothalamus | Prolactin & Posterior Pituitary |
From NCERT
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Which one of the following four glands is correctly matched with the accompanying description?
1. Thyroid - hyperactivity in young children causes cretinism
2. Thymus - starts undergoing atrophy after puberty
3. Parathyroid - secrets parathormone which promotes movement of calcium ions from blood into bones during calcification
4. Pancreas - Delta cells of the Islets of Langerhans secrete a hormone which stimulates glycolysis

Subtopic:  Thymus |
 68%
From NCERT
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Which of the following match is correct

Hormone  Effect
1. Oxytocin            Milk ejection hormone
2. Glucagon            Decreases blood sugar level
3. Adrenaline        Decreases heart rate
4. Thyroxine          Decreases BMR
Subtopic:  Prolactin & Posterior Pituitary |
 86%
From NCERT
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Select the correct statement about hormones and their actions.

1. Parathyroid hormone increases K+ absorption of the body.
2. Insulin and glucagon help to maintain blood sugar levels.
3. Old aged people have weak immunity due to increased activity of thymus.
4. Osteoporosis in women occurs due to increased levels of oestrogens.
Subtopic:  Pancreas |
 89%
From NCERT
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Which one of the following pairs is the matching pair of the part and the hormone it secretes?
1. Anterior pituitary - Thyroxine
2. Alpha cells of pancreas - Glucagon
3. Thyroid - Epinephrine
4. Stomach epithelium - Secretin

Subtopic:  Pancreas |
 88%
From NCERT
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In a child of 15 years age, plasma calcium level is diagnosed below optimum level. Which organ is malfunctioning?

1. Thyroid gland 2. Liver
3. Parathyroid 4. Posterior lobe of pituitary
Subtopic:  Parathyroid |
 87%
From NCERT
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