Here, you will get Class 11 Biology MCQ of Chapter 22 Chemical Coordination And Integration for cracking NEET/AIIMS. By solving these MCQs of Class 11 Biology Chapter 22 Chemical Coordination And Integration, you will get the confidence to crack NEET. Practice MCQ Questions for Class 11 Biology with Answers on a daily basis and score well in exams.
Chemical Coordination And Integration Class 11 MCQs Questions with Answers
In the body, both the blood sodium and potassium levels are regulated by _______
(a) Pheromones
(b) Aldosterone
(c) Cortisol
(d) Androgens
Answer: (b) Aldosterone
Chemical name of T4 is
(a) Tetradiodothyronine
(b) Tridiodothyronine
(c) Tetraiodothyronine
(d) Triiodothyronine
Answer: (c) Tetraiodothyronine
Match the columns
1. PRL – A. Pigmentation of skin
2. LH – B. Steriod hormones
3. ACTH – C. Formation of milk
4. MSH – D. Gonadal activity
(a) 1-C, 2-D, 3-B, 4-A
(b) 1-C, 2-D, 3A, 4-B
(c) 1-D, 2-C, 3-B, 4-A
(d) 1-B, 2-C, 3-D, 4-A
Answer: (a) 1-C, 2-D, 3-B, 4-A
The other name of internal ear is
(a) Utriculus
(b) Membranous labyrinth
(c) Sacculus
(d) Ductus endolymphaticus
Answer: (b) Membranous labyrinth
Which of the following acts on bones?
(a) Melatonin
(b) Triiodothyronine
(c) GH
(d) Parathyroid
Answer: (d) Parathyroid
If thyroid is removed from tadpole of frog, it will
(a) Die soon
(b) Remains tadpole throughout life
(c) Grows in to giant frog
(d) Grows into dwarf frog
Answer: (b) Remains tadpole throughout life
Who is known as the ‘father of endocrinology’?
(a) Thomas Addison
(b) Pasteur
(c) R. H. Whittaker
(d) Einthoven
Answer: (a) Thomas Addison
Rabbit has
(a) Monocular vision
(b) Binocular vision
(c) Conjunctiva
(d) Cornea
Answer: (a) Monocular vision
Cochlea of mammalian ear is concerned with
(a) Balancing of body
(b) Hearing
(c) Pereception of atmospheric pressure
(d) Both (a) and (b)
Answer: (b) Hearing
Meibomian gland are associated with
(a) Eyes
(b) Ears
(c) Reproductive organ
(d) Skin
Answer: (a) Eyes
Match the columns
1. PRL – A. Pigmentation of skin
2. LH – B. Steriod hormones
3. ACTH – C. Formation of milk
4. MSH – D. Gonadal activity
(a) 1-C, 2-D, 3-B, 4-A
(b) 1-C, 2-D, 3-A, 4-B
(c) 1-D, 2-C, 3-B, 4-A
(d) 1-B, 2-C, 3-D, 4-A
Answer: (a) 1-C, 2-D, 3-B, 4-A
Glucagon hormone is secreted by the ______
(a) Thyroid gland
(b) Adrenal gland
(c) Pituitary gland
(d) Pancreas
Answer: (d) Pancreas
Choose the incorrect statement
(a) Hormones are non-nutrient chemicals
(b) Exocrine glands are ductless glands
(c) Invertebrates have simple endocrine system
(d) All of the above statements are incorrect
Answer: (b) Exocrine glands are ductless glands
Endemic goitre is a state of
(a) Increased thyroid function
(b) Normal thyroid function
(c) Decreased thyroid function
(d) Moderate thyroid function
Answer: (c) Decreased thyroid function
Which of the following is NOT an endocrine gland?
(a) Salivary gland
(b) Pituitary gland
(c) Parathyroid gland
(d) Pancreas gland
Answer: (a) Salivary gland
Myopia is a defect in human eyes in which the image is formed
(a) Behind retina and can be corrected by using convex lens
(b) Behind retina and can be corrected by using concave lens
(c) Infront of retina and can be corrected by using concave lens
(d) Infront of retina and can be corrected by using convex lens
Answer: (c) Infront of retina and can be corrected by using concave lens
The vitamin which works along with para thyroid hormone is
(a) Vitamin C
(b) Calciferol
(c) Tocopherol
(d) Vitamin – B12
Answer: (b) Calciferol
In Hashimoto’s disease symptoms develop like
(a) Hyposecretion of thyroxine
(b) Hyper secretion of thyroxine
(c) Hyposecreation of adrenaline
(d) None of the above
Answer: (a) Hyposecretion of thyroxine
Corpus luteum secretes
(a) progesterone
(b) estrogen
(c) glucagon
(d) vasopressin
Answer: (a) progesterone
In children, hypothyroidism (underactive thyroid gland) can lead to ______
(a) Goiter
(b) Acromegaly
(c) Cretinism
(d) Myxedema
Answer: (c) Cretinism
Diurnal rhythm of the body is maintained by
(a) melatonin
(b) isthmus
(c) PTH
(d) norepinephrine
Answer: (a) melatonin
Which hormone inhibits the release of growth hormone?
(a) Insulin
(b) Gonadotrophin
(c) Somatostatin
(d) Thymosin
Answer: (c) Somatostatin
Parathormone regulates
(a) Blood calcium level
(b) Calcium phosphate level
(c) Body temperature
(d) None of the above
Answer: a) Blood calcium level
BMR is increased due to
(a) Sympathetic nervous system
(b) Adrenaline
(c) Parasympathetic nervous system
(d) Thyroxine
Answer: (d) Thyroxine
How many semicircular canals are found in internal ear of rabbit?
(a) Two
(b) Three
(c) Four
(d) One
Answer: (b) Three
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