Select the correct statements: I. Phloem transport soluble products of photosynthesis in plants. II. Xylem transports amino acids and other substances. III. Translocation of food and other substances takes place in sleve tubes. IV. Transiocation in phloem is achieved by utilizing energy.

What type of questions asked from the lesson of magnetic effect of electric current 

Wavelength of green light is

A) 400-450 nm

B) 500-550 nm

C) 660-720 nm

D) 720-800 nm

What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?

What are the main components of our environment? Explain each of them briefly.

What are examples of hydrotropism plants?