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Give examples of unconditional reflexes
Concept: Reflex Action
_______ maintains basic metabolic rate.
(A) Thyroxine
(B) ADH
(C) GH
(D) Oxytocin
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.
Concept: Neural Tissue >> Transmission and Generation of Nerve Impulse
Explain the mechanism of reflex action with the help of a suitable diagram.
Concept: Reflex Action
Spinal cord and sympathetic ganglion of autonomous nervous system are connected by ______________.
Concept: The Spinal Cord
Sketch and label formation of typical spinal nerve.
Concept: Neural Tissue >> Transmission and Generation of Nerve Impulse
Very very short answer question.
Name the hormone secreted by the pineal gland.
Concept: Human Endocrine Glands and Hormones >> The Pineal Gland
Which endocrine gland plays an important, role in improving immunity?
Concept: Human Endocrine Glands and Hormones >> Thymus Gland
The resting potential of a neuron is ______.
Concept: Neural Tissue
______ is a mineralocorticoid secreted by Adrenal gland.
Concept: Human Endocrine Glands and Hormones >> Adrenal Gland (Suprarenal Gland)
Give function of astrocytes in nervous system.
Concept: Neural Tissue >> Transmission and Generation of Nerve Impulse
How electrical synapse differs from chemical synapse?
Concept: Synapse
Define Saltatory conduction.
Concept: Neural Tissue >> Transmission and Generation of Nerve Impulse
Which two hormones are responsible for the regulation of calcium and phosphorus in the blood?
Concept: Human Endocrine Glands and Hormones >> Thyroid Gland
Name the glucocorticoid used in treatment of allergy and why?
Concept: Human Endocrine Glands and Hormones >> Adrenal Gland (Suprarenal Gland)
Which hormone is secreted by Pineal gland? What is its function?
Concept: Human Endocrine Glands and Hormones >> The Pineal Gland
Describe any three functions of hypothalamus.
Concept: Human Endocrine Glands and Hormones >> The Hypothalamus
Give the names of the hormones released by neurohypophysis.
A boy shows excessive thirst and micturition because of deficiency of a hormone secreted by neurohypophysis. Name the disease he is suffering from.
Concept: Human Endocrine Glands and Hormones >> Pituitary Gland or Hypophysis Gland
Write a note on the four different kinds of cell in Pancreas.
Concept: Human Endocrine Glands and Hormones >> Adrenal Gland (Suprarenal Gland)
Complete the flowchart of the process of conduction of nerve impulses.
| Application of stimulus on a resting nerve |
| ⇓ |
| Permeability of membrane changes |
| ⇓ |
| ______________________________ |
| ⇓ |
| Positive ions inside axon increases |
| ⇓ |
| ________________________________ |
| ⇓ |
| Polarity reverses and depolarisation takes place |
| ⇓ |
| Repolarisation - potassium gates open |
| ⇓ |
| ______________________________ |
| ⇓ |
| ______________________________ |
| ⇓ |
| Axoplasm becomes negatively charged and ECF becomes positive |
Concept: Neural Tissue >> Transmission and Generation of Nerve Impulse
