MCQ
The efferent process of neuron is known as:
- AAxon
- BDendrites
- CCyton
- DNeurofibril
Explanation:
The long slender projection of a nerve cell that conducts electrical impulses away from the neuron's cell body or soma is called an axon or nerve fibre. The function of the axon is to transmit information to different neurons, muscles and glands. Hence it is called the efferent process.
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| column $-I$ | column $-II$ |
| $(A)$ Flame Cells | $(p)$ sponges |
| $(B)$ Collar Cells | $(q)$ Hydra |
| $(C)$ stinging cell | $(r)$ Planaria |
| $(s)$ Ascaris |
$(i)$ Mouth opens into a short tubular pharynx, leading to a narrow tubular passage called oesophagus.
$(ii)$ Gizzard helps in grinding the food particles.
$(iii)$ A ring of $6-8$ blind tubules called hepatic or gastric caecae is present at the junction of foregut and midgut, which secrete digestive juice.
$(iv)$ At the junction of midgut and hindgut is present another ring of $100-150$ yellow coloured thin filamentous malphigian tubules which help in removal of excretory products from haemolymph.