Control and Co-ordination - Maharashtra Board STD 12 Biology Questions

Q 1MCQ1 Mark

……………. is in direct contact of brain in humans.

A
Cranium
B
Dura mater
C
Arachnoid
✓
Pia mater

Answer: D.

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Q 2MCQ1 Mark

Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?

A
Parathyroid hormone – Diabetes insipidus
B
Luteinising hormone – Diabetes mellitus
✓
Insulin – Hyperglycaemia
D
Thyroxine – Tetany

Answer: C.

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Q 3MCQ1 Mark

After ovulation, Graafian follicle changes into …………….

✓
corpus luteum
B
corpus albicans
C
corpus spongiosum
D
corpus callosum

Answer: A.

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Q 4MCQ1 Mark

Which one of the following is a set of discrete endocrine gland?

A
Salivary glands, thyroid, adrenal, ovary
B
Adrenal, testis, ovary, liver
✓
Pituitary, thyroid, adrenal, thymus
D
Pituitary, pancreas, adrenal, thymus

Answer: C.

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Q 5MCQ1 Mark

Pheromones are chemical messengers produced by animals and released outside the body. The odour of these substance affects …………….

A
skin colour
B
excretion
C
digestion
✓
behaviour

Answer: D.

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Q 6Answer the following questions1 Mark

Which endocrine gland plays important, role in improving immunity?

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Q 7Answer the following questions1 Mark

Name the hormone secreted by the pineal gland.

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Q 8Answer the following questions1 Mark

What is the cause of abnormal elongation of long bones of arms and legs and of lower jaw.

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Q 9Answer the following questions1 Mark

Name the type of hormones which bind to the DNA and alter the gene expression.

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Q 10Answer the following questions1 Mark

Name an organ which acts as temporary endocrine gland.

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Q 11Answer the following questions.2 Marks

Column A	Column B
(1) Neurons	(a) Earthworm
(2) Ladder type	(b) Hydra
(3) Ganglion	(c) Flatworm
(4) Nerve net	(d) Human

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Q 12Answer the following questions.2 Marks

Why is pancreas called a dual gland?

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Q 13Answer the following questions.2 Marks

Why are reproductive organs called dual in function?

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Q 14Answer the following questions.2 Marks

What are the disorders caused due to hyposecretion and hypersecretion of ACTH?

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Q 15Answer the following questions.2 Marks

Give a list of psychological disorders.

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Q 16Answer the following questions in detail.3 Marks

Name the ovarian hormone and give their functions.

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Q 17Answer the following questions in detail.3 Marks

Which are the two types of goitre? What are their causes?

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Q 18Answer the following questions in detail.3 Marks

Name the secretion of alpha, beta and delta cells of islets of Langerhans. Explain their role.

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Q 19Answer the following questions in detail.3 Marks

Explain how the adrenal medulla and sympathetic nervous system function as a closely integrated system.

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Q 20Answer the following questions in detail.3 Marks

Where is the pituitary gland located? Enlist the hormones secreted by anterior pituitary.

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Q 21Answer the following questions in detail.5 Marks

Describe in brief an account of disorders of the thyroid.
OR
What are the functional disorders of thyroid gland? Describe in brief.

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Q 22Answer the following questions in detail.5 Marks

Explain action of steroid hormones and proteinous hormones.
OR
Explain the mode of action of steroid hormones.

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Q 23Answer the following questions in detail.5 Marks

Describe, in brief, an account of disorders of adrenal gland.

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Q 24Answer the following questions in detail.5 Marks

What is adenohypophysis ? Name the hormones secreted by it.

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Q 25Answer the following questions in detail.5 Marks

Explain the role of hypothalamus and pituitary as a coordinated unit in maintaining homeostasis.

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Control and Co-ordination questions

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Control and Co-ordination Biology - Control and Co-ordination

Control and Co-ordination question types

Control and Co-ordination questions

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