KVS SCIENCE QUIZ 56 (PHOTOSYNTHESIS)

Question 1:

Which of the following is Responsible for yellow colour ?

Chloroplast

Carotin

Leucoplast

Plaster of paris

Question 2:

What is the reason for the red color of the tomato?

Chlorophyl

Lycopene

Chromophore

Mg+

Question 3:

The maximum fixation of solar energy is done by

Bacteria

Fungal

Algae

Erthobarm

Question 4:

The maximum fixation of solar energy is done by__________?

Bacteria

Fungal

Algae

Erthobarm

Question 5:

Name the external factors that affect photosynthesis process?

Light Intensity

Temperature

Carbon dioxide concentration

All of the above

Question 6:

Photosynthesis is:

An Oxidation-Reduction reaction

Neutralization reaction

Exothermic reaction

Replacement reaction

Question 7:

The source of oxygen in atmosphere is due to

Photosynthesis

Excretion

Respiration

Nitrogen fixation

Question 8:

Photosynthesis is a-

Catabolic process

Anabolic and catabolic process

Anabolic process

Photochemical process

Question 9:

Which one of the following statements about the process of photosynthesis is correct?

Light energy is directly converted to kinetic energy which oxidizes carbon dioxide.

Light energy is directly converted to chemical energy which causes reduction of water.

Chlorophyll absorbs the chemical energy of light which causes oxidation of carbon dioxide.

Chlorophyll absorbs light energy which causes splitting of water molecules and reduction of carbon dioxide.

Question 10:

The chlorophyll in photosynthesis is used for?

Absorbing light

Breaking down water molecule

Reduction of CO2

None of the above