Biology
Given below are sets of four terms each. Choose the odd one and write the category of the remaining terms :
(a) Duramater, Gray matter, Piamater, Arachnoid
(b) Cerebrum, Cerebellum, Spinal cord, Medulla oblongata.
(c) Pons, Cyton, Axon, Dendrons
(d) Hypothalamus, Cerebellum, Pons, Medulla oblongata
(e) Sneezing, Blinking, Blushing, Knitting without looking
Nervous System
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Answer
(a) Odd term: Gray matter
Category: Coverings of the brain and spinal cord (Meninges)
(b) Odd term: Spinal cord
Category: Parts of the brain
(c) Odd term: Pons
Category: Components of neurons
(d) Odd term: Hypothalamus
Category: Parts of the hind brain
(e) Odd term: Knitting without looking
Category: Natural reflexes
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Related Questions
Name the following:
(a) The fluid that is present inside and outside the brain.
(b) The junction between two nerve cells.
(c) The part of the brain which is concerned with memory.
(d) The central space of the brain.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
(a) Stimulus : Receptor :: Impulse : ……………
(b) Cerebrum : Diencephalon :: Cerebellum : ……………
(c) Receptor : Sensory nerve :: Motor nerve : ……………
(d) Axons : Nerve :: Cytons : ……………
(e) Cerebrum : Corpus callosum :: Cerebellum : …………… .
Mention where in human body are the following located and state their main functions:
(a) Corpus callosum
(b) Central canal
State whether the following statements are true (T) or false (F).
(a) The main component of the white matter of the brain is perikaryon.
(b) The arachnoid layer fits closely inside the pia mater.
(c) A double chain of ganglia, one on each side of the nerve cord belongs to the spinal cord.
(d) Dura mater is the outermost layer of the meninges.