Electroencephalography is used to map regions of brain activity associated with
Options
(a) tumours (b) trauma (c) epilepsy (d) all of these
Correct Answer:
all of these
Explanation:
EEG is an non-invasive electrically […]
Where did an epidemic bone softening disease, Itai-Itai occur first?
Options
(a) South Korea (b) Japan (c) China (d) Burma
Correct Answer:
Japan
Explanation:
Epidemic bone softening disease, ‘Itai-Itai’ was first seen in […]
Two cells are connected with the help of
Options
(a) plasmodesmata (b) plasma membrane (c) cell wall (d) none of these
Correct Answer:
plasmodesmata
Explanation:
No explanation available. Be the first to write […]
Transpirtation is very important for plants because it helps in
Options
(a) the absorption of water from soil (b) the cooling of leaves at high temperature (c) the movement of water and minerals […]
The process of muscle pump is
Options
(a) beating of heart (b) squeezing effect of muscles upon veins running through them (c) peristalic wave that travel along the alimentary canal (d) circulate through […]
The magnitude of root pressure ranges between
Options
(a) 1-5 atm (b) 2-5 atm (c) 0.1-0.5 atm (d) 2-10 atm
Correct Answer:
1-5 atm
Explanation:
Root pressure, a manifestation of active water absorption, […]
Chloroplasts of Spirogyra have
Options
(a) spiral margin (b) smooth or waxy margin (c) spine-margin (d) none of these
Correct Answer:
spiral margin
Explanation:
No explanation available. Be the first to write the explanation […]
Channel proteins are involved in
Options
(a) transport of enzymes (b) water transport (c) active transport of ions (d) passive transport of ions
Correct Answer:
passive transport of ions
Explanation:
No explanation available. Be […]
Which of the following statement is false for an isothermal expansion of an ideal gas
Options
(a) Average kinetic energy of the molecules increases (b) Number of molecules per unit volume decreases (c) Pressure […]
The difference between ΔH and ΔE at 300 K for the reaction C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(l)
Options
(a) 300 ˣ 8.31 J/mol (b) -300 ˣ 8.314 J/mol (c) 3 ˣ 300 […]
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