21
Thylakoids in chloroplasts are stacked into
Answer: Grana
Questions
23
Which is the correct order of energy transfer from assessory pigments to main photosynthetic pigment?
Answer: Carotenoids ? Chlorophyll b ? Chlorophyll a.
24
Which of the following pigment is Blue- green in colour:
Answer: Chlorophyll a
26
Which of the following statement about the head of a chlorophyll molecule is incorrect:
Answer: It is hydrophobic
30
Visible light used in photosynthesis ranges from:
Answer: 380 - 750 nm in wavelength
31
Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on
Answer: Bacteria
32
The point at which there is no net exchange of gases between leaves and atmosphere is known as
Answer: Compensation point
34
Of the following which one is not an energy releasing process?
Answer: Photosynthesis
35
The organisms able to use sunlight directly as a source of energy are
Answer: Plants
36
Quantitative study of energy relationships in biological systems obeys.
Answer: Laws of thermodynamics
37
Which of the following is a compensation point:
Answer: Photosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants.
38
At which times there is no net gaseous exchange between leaves and the atmosphere.
Answer: Dawn & Dusk.
39
C6H12O6 + 6O2 ? 6CO2 + 6H20 + ENERGY represents:
Answer: Aerobic respiration
40
Photosynthesis is process in which ________ compounds of carbon (CO2) and hydrogen (H2O) are reduced to carbohydrate like (glucose) using light energy.
Answer: Energy poor
