Which process requires no energy from the cell?
A). Osmosis
B). Diffusion
C). Both A & B
D). None of the above
The movement of materials across the cell membrane with the help of biological energy provided by ATP is called
A). Active Transport
B). Passive Transport
C). Endocytosis
D). Fractionation
Which one among the following Indian scientist proposed a theory for long distance transport of water in plants?
A). J.C. Bose
B). Birbal Sahni
C). P. Maheshwari
D). N.S. Parihar
Movement of cell against concentration gradient is called
A). Active transport
B). Diffusion
C). Osmosis
D). Passive transport
Salts and sugars works to preserve foods by creating a
A). Hypertonic environment
B). Lower pH
C). Depletion of nutrients
D). Lower osmotic pressure