Electric potential of the brain is recorded by
Options
(a) CT scan (b) sphygmomanometer (c) ECG (d) EEG
Correct Answer:
EEG
Explanation:
Electroencephalography (EEG) is an electrophysiological monitoring method to record electrical activity […]
ECG records
Options
(a) Electric current of the body (b) Potential differences. (c) Pulse rate (d) Quantity of blood pumped per minute
Correct Answer:
Potential differences.
Explanation:
ECG is the record of changes […]
Earthworms have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to
Options
(a) Gut peristalsis (b) Setae (c) Coelomic fluid (d) Blood
Each human kidney has nearly
Options
(a) 10,000 nephrons (b) 50,000 nephrons (c) 1,00,000 nephrons (d) 1 million nephrons
Correct Answer:
1 million nephrons
Explanation:
Nephrons are morphological and physiological units of kidney. […]
E.coli in human colon behave as
Options
(a) Parasite (b) Commensal (c) Saprophyte (d) Mutualism
Correct Answer:
Mutualism
Explanation:
E.coli lives in mutual association in human colon as it obtains food from the […]
During the stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP
Options
(a) Glycolysis (b) Krebs cycle (c) Conversion of pyruvic acid to acetyl Co-A […]
During systole of ventricle
Options
(a) Blood enters the heart (b) Blood leaves the heart (c) Blood leaves the ventricle (d) Blood enters the heart
Correct Answer:
Blood leaves the ventricle
Explanation:
Systole […]
During respiration CO₂ is transported in the form of
Options
(a) Dissolved plasma (b) Sodium carbonate (c) KHCO₃ (d) Partly dissolved in plasma and partly in the form of sodium and potassium bicarbonate
During photochemical reactions of photosynthesis
Options
(a) Liberation of oxygen takes place (b) Formation of ATP and NADPH₂ take place (c) Liberation of O₂ and formation of ATP and NADPH₂ take place (d) […]
During muscular contraction
Options
(a) ATP is broken down (b) ATP is formed (c) GTP is broken down (d) None of these
Correct Answer:
ATP is broken down
Explanation:
During muscle contraction, ATP […]
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