Gonadotropin releasing hormone is transferred to anterior pituitary by
1. left coronary artery
2. hypophyseal portal veins
3. axons of neurosecretory cells
4. nuclei of hypothalamus.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following represents the action of insulin?
1. Increases blood glucose level by stimulating glucagon production.
2. Decreases blood glucose level by forming glycogen.
3. Increases blood glucose level by promoting cellular uptake of glucose.
4. Increases blood glucose level by hydrolysis of glycogen.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAchondroplasia is a disease related with the defect in the formation of
1. membrane
2. cartilage
3. mucosa
4. none of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the homeostatic control of blood sugar level, which organs function as modulator and effector respectively?
(1) Liver and islet of Langerhans
(2) Hypothalamus and liver
(3) Hypothalamus and islet of Langerhans
(4) Islet of Langerhans and hypothalamus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone
1. calcitonin
2. prolactin
3. adrenaline
4. melatonin
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA gland called ‘Clock of ageing’ that gradually reduces and degenerates in ageing is
1. thyroid
2. thymus
3. parathyroid
4. pituitary
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : Aldosterone increases the volume of blood and other extracellular fluids.
Reason : The secretion of aldosterone is stimulated by a fall in the circulating volume of blood.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : Adrenal cortex can be removed without causing death.
Reason : Adrenal cortex is not vital for survival.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology