The blood calcium level is lowered by the deficiency of ?

1. parathormone

2. thyroxine

3. calcitonin

4. Both 1. and 2.

Subtopic:  Parathyroid |
 59%
From NCERT
NEET - 2008
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Which one of the following pairs of organs includes only the endocrine glands?

1. Parathyroid and adrenal

2. Pancreas and parathyroid

3. Thymus and testes

4. Adrenal and ovary

Subtopic:  Parathyroid | Adrenal Medulla | Adrenal Cortex: Aldosterone |
 72%
NEET - 2008
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Feeling the tremor of an earthquake a scared resident of seventh floor of a multistoryed

building starts climbing down the stairs rapidly. Which hormone initiated this action?

1. Thyroxine

2. Adrenaline

3. Glucagon 

4. Gastrin

Subtopic:  Adrenal Medulla |
 96%
From NCERT
NEET - 2007
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A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly?
1. Parathyroid
2. Parotid
3. Pancreas
4. Thyroid

Subtopic:  Parathyroid |
 80%
NEET - 2007
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Compared to a bull, a bullock is docile because of:
1. higher levels of thyroxin
2. higher levels of cortisone
3. lower levels of blood testosterone
4. lower levels of adrenalin/noradrenalin in its blood

Subtopic:  Gonadotropin & Gonadal Hormones |
 67%
NEET - 2007
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Sertoli cells are regulated by the pituitary hormone known as:
1. FSH
2. GH
3. Prolactin 
4. LH

Subtopic:  Gonadotropin & Gonadal Hormones |
 71%
NEET - 2006
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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 |
 92%
From NCERT
NEET - 2006
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Which one of the following is not a second messenger in hormone action ?

1. cGMP                 

2. Calcium

3. Sodium               

4. cAMP

Subtopic:  Mechanism of Hormone Action |
 70%
NEET - 2006
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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 |
 67%
From NCERT
NEET - 2006
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Which hormone causes dilation of blood vessels, increased oxygen consumption and gluco-genesis ?

1. ACTH
2. Insulin
3. Adrenalin
4. Glucagon

Subtopic:  Adrenal Medulla |
 58%
From NCERT
NEET - 2006
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