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Class 11 Biology
Chemical Coordination And Integration
Quiz 1
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Glucagon hormone is secreted by the ______.
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Thyroid gland
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Adrenal gland
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Pituitary gland
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Pancreas
Explanation
Pancreas
In the body, both the blood sodium and potassium levels are regulated by _______.
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Pheromones
0%
Aldosterone
0%
Cortisol
0%
Androgens
Explanation
Aldosterone
Chemical name of T is
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Tetradiodothyronine
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Tridiodothyronine
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Tetraiodothyronine
0%
Triiodothyronine
Explanation
Tetraiodothyronine
Anabolic steroids are ______ versions of testosterone.
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Effective
0%
Synthetic
0%
Natural
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Ineffective
Explanation
Synthetic
Which of the following acts on bones?
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Melatonin
0%
Triiodothyronine
0%
GH
0%
Parathyroid
Explanation
Parathyroid
Which one of the followings are male sex hormones?
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Insulins
0%
Aldosterones
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Androgens
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Pheromones
Explanation
Androgens
Endemic goitre is a state of
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Increased thyroid function
0%
Normal thyroid function
0%
Decreased thyroid function
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Moderate thyroid function
Explanation
Decreased thyroid function
Match the columns.
PRL – A. Pigmentation of skin
LH – B. Steriod hormones
ACTH – C. Formation of milk
MSH – D. Gonadal activity
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1-C, 2-D, 3-B, 4-A
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1-C, 2-D, 3A, 4-B
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1-D, 2-C, 3-B, 4-A
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1-B, 2-C, 3-D, 4-A
Explanation
1-C, 2-D, 3-B, 4-A
Explanation:
Column I shows the names of hormones and column II shows the functions of the hormones.
PTH is called as hypercalcemic hormone because it leads to the
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absorption of CaCO from the digested food
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reabsorption of water from renal tubules
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increasing blood calcium levels
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maintainence ion balance in blood
Explanation
increasing blood calcium levels
Corpus luteum secretes
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progesterone
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estrogen
0%
glucagon
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vasopressin
Explanation
progesterone
In adults, insufficient thyroxine can lead to ______.
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Goiter
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Tetany
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Cretinism
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Myxedema
Explanation
Myxedema
In children, hypothyroidism (underactive thyroid gland) can lead to ______
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Goiter
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Acromegaly
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Cretinism
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Myxedema
Explanation
Cretinism
Diurnal rhythm of the body is maintained by
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melatonin
0%
isthmus
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PTH
0%
norepinephrine
Explanation
melatonin
Which hormone inhibits the release of growth hormone?
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Insulin
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Gonadotrophin
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Somatostatin
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Thymosin
Explanation
Somatostatin
Which of the following is essential for thyroid gland?
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NaCl
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I
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CaCO
0%
H
Explanation
I
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