The disorder characterized by repetitive seizures due to abnormal brain electrical activity is:
A. Meningitis
B. Epilepsy
C. Multiple sclerosis
D. Stroke
Answer: Option B
Solution (By JKSSB Mock Tests)
Epilepsy is a neurological disorder marked by recurrent seizures caused by excessive and synchronous neuronal firing. Stroke is from interrupted blood supply, MS is demyelination, meningitis is inflammation of meninges.
Explanation:
The lymphatic system drains excess tissue fluid (lymph) back to the venous blood. Blood circulation is the cardiovascular system; lymph nodes filter lymph; thymus is a primary lymphoid organ.
Explanation:
In monocotyledonous plants like grasses, the primary tap root formed from the radicle is short-lived and aborts early. It is subsequently replaced by a large number of fibrous roots that arise adventitiously from the base of the stem. This forms a fibrous root system. Mustard, peepal, and carrot exhibit a tap root system derived from the primary root.
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