Which element has the most % in human body?
Which element has the most % in human body?
A. Oxygen 65%
B. Calcium 75%
C. Hydrogen 10%
D. Carbon 18%
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The absolute value of charge on electron was determined by ________ ?
The absolute value of charge on electron was determined by ________ ?A. J.J.Thomson
B. Chadwick
C. Rutherford
D. Robert MillikanAn example of rhizome is_________?
An example of rhizome is_________?A. Carrot
B. Tomato
C. Ginger
D. GarlicDr. Abdus Salam of Pakistan was one of the contributors of the unification of __________?
Dr. Abdus Salam of Pakistan was one of the contributors of the unification of __________?
A. Electromagnetic force and gravitational force
B. Electromagnetic force and weak nuclear force
C. Gravitational force and weak nuclear force
D. Weak nuclear force and strong nuclear force
E. None of theseFor about how many hours food remains in small intestine?
For about how many hours food remains in small intestine?A. 2 to 6 hours
B. 12 to 25 hours
C. 7 to 11 hours
D. 24 to 48 hoursWireless transmission can be done via _____________?
Wireless transmission can be done via _____________?A. A Infrared waves
B. Radio waves
C. Microwaves
D. All of theseDuring rainy season Wooden doors are difficult to open or closure because of ________ ?
During rainy season Wooden doors are difficult to open or closure because of ________ ?A. Plasmolysis
B. Imbibition
C. Osmosis
D. DiffusionWooden door and wooden frame expand during rainy season. On expansion, the door and its frame get misaligned. Hence, doors made of wood are difficult to open or close during the rainy season.
Imbibition is a special type of diffusion that takes place when water is absorbed by solids-colloids causing an increase in volume. Examples include the absorption of water by seeds and dry wood. If it were not for the pressure due to imbibition, seedlings would not be able to emerge from soil.