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HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Important Questions

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Select and rewrite the appropriate disorder of the respiratory system with the given symptom.

Inflammation of larynx, vocal cord, sore throat, hoarseness of voice, mucous build up and cough.

Appears in 1 question paper
Chapter: [8] Respiration and Circulation
Concept: Disorders of Respiratory System

Select and rewrite appropriate disorder of respiratory system with the given symptom.

Inflammation of fibrosis, lung damage.

Appears in 1 question paper
Chapter: [8] Respiration and Circulation
Concept: Disorders of Respiratory System

Interpret the given diagrams A and B. Enlist the changes occuring, during inspiration and expiration.

Appears in 1 question paper
Chapter: [8] Respiration and Circulation
Concept: Mechanism of Respiration > Breathing

Describe T.S. of the spinal cord.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: The Spinal Cord

Define Endocrine gland

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Endocrine System

add a note on deficiency of thyroxine.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Endocrine System

Which of the following is a chemical transmitter in the synapse of neurons?

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Need for Control and Coordination in Organisms

Photoreceptor cells are present in __________.

(A) blind spot

(B) retina

(C) cochlea

(D) cornea

 

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Ear

The catecholamines are secreted by _________.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Endocrine Glands and Harmones >> Adrenal Gland (Suprarenal Gland)

Give examples of unconditional reflexes

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Reflex Action

_______ maintains basic metabolic rate.

(A) Thyroxine

(B) ADH

(C) GH

(D) Oxytocin

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Endocrine System

A person is showing symptoms like increased BMR, heart rate, pulse rate, blood pressure and deposition of fats in eye sockets. Name the disease he is suffering from.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Neural Tissue >> Transmission and Generation of Nerve Impulse

Explain the mechanism of reflex action with the help of a suitable diagram.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Reflex Action

Spinal cord and sympathetic ganglion of autonomous nervous system are connected by ______________.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: The Spinal Cord

Sketch and label formation of typical spinal nerve. 

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Neural Tissue >> Transmission and Generation of Nerve Impulse

Very very short answer question.

Name the hormone secreted by the pineal gland.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Endocrine Glands and Harmones >> The Pineal Gland

Which endocrine gland plays an important, role in improving immunity?

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Endocrine Glands and Harmones >> Thymus Gland

The resting potential of a neuron is ______.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Neural Tissue

______ is a mineralocorticoid secreted by Adrenal gland.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Endocrine Glands and Harmones >> Adrenal Gland (Suprarenal Gland)

Give function of astrocytes in nervous system.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Neural Tissue >> Transmission and Generation of Nerve Impulse
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