The binding of a hormone to its receptor leads to
1. formation of the hormone-receptor complex
2. leads to biochemical changes in the target tissue
3. affects target tissue metabolism
4. All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBesides cAMP, which one of the following molecules acts as a “secondary messenger” in the biological system?
1. Ca+2
2. ATP
3. cDNA
4. CGTP
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIncorrect match with respect to hormone and its chemical nature is
(1) Cortisol – Steroidal
(2) Thyroxine – Iodothyronine
(3) Glucagon – Steroidal
(4) Thyrocalcitonin – Proteinaceous
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is an incorrect statement
1. Hormones bind to specific proteins located in the target tissues only.
2. Receptors for hormones can only be present on the cell membrane
3. Each receptor is specific to one hormone only
4. Nuclear receptors are intracellular receptors
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following pairs of hormones are the examples of those that can easily
pass through the cell membrane of the target cell and bind to a receptor inside it (mostly
in the nucleus)?
1. Insulin and glucagon
2. Thyroxin and insulin
3. Somatostatin and oxytocin
4. Cortisol and testosterone
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify A, B and C in the diagrammatic representation of the mechanism of hormone action.
Select the correct option from the following:
1. | A = Steroid Hormone; B = Hormone receptor Complex; C = Protein |
2. | A = Protein Hormone; B = Receptor; C = Cyclic AMP |
3. | A = Steroid Hormone; B = Receptor; C = Second Messenger |
4. | A = Protein Hormone; B = Cyclic AMP; C = Hormone-receptor Complex |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow many of the following hormones don’t enter the target cell?
Cortisol, Iodothyronine, Testosterone, Estradiol, FSH, Insulin, Glucagon
1. 4
2. 7
3. 3
4. 2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following set of hormones can easily pass through the cell membrane of a target cell and bind to specific intracellular receptors?
a. Placental progesterone
b. Aldosterone
c. Estrogen
d. Thyroxine
Mark the correct set:
1. b&c
2. a,b&c
3. a &c
4. a,b,c & d
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA hormone that has intracellular receptors would be
1. ACTH
2. ADH
3. Melatonin
4. Aldosterone
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe biomolecule that cannot act as a chemical messenger [hormone] is:
1. Proteins
2. Steroids
3. Fatty acids
4. Carbohydrate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology