Column I	Column II
i. grana	a. dark reaction
ii. Stroma	b. light reaction
	c. synthesis of ATP and NADPH+H+
	d. synthesis of sugar

1. i-b, c;  ii-a, d.
2. i-a, d;  ii-b, c.
3. i-b, d; ii-a,c.
4. i-b;  ii-a, c, d.

How many of the following statements are correct?
i. Products of dark reaction are substrates of light reaction.
ii. Products of light reaction are substrates of dark reaction.
iii. In the stroma, enzymatic reactions incorporate CO₂ into the plant leading to the synthesis of sugar.
iv. Dark reactions are directly light-driven.
v. Chloroplast is a single membranous organelle.

1. 2
2. 3
3. 4
4. 1

Absorption spectrum of chlorophyll- ‘a’ is shown by-


a. i
b. ii
c. iii
d. Not shown.

How many pigments are responsible for the color of a plant leaf?
a. 1
b. 2
c. 3
d. 4

Range of wavelength at which chlorophyll-a shows the maximum absorption:
a. 400-450 nm
b. 450-500 nm
c. 650-700 nm
d. 500-600 nm.

Which of the following is the chief pigment associated with photosynthesis?
a. chl-a
b. chl-b
c. chl- a and xanthophylls
d. chl-a and carotenoids

Which regions of the visible spectrum are responsible for most of the photosynthesis?
a. blue and yellow
b. blue and red
c. blue and green
d. green and red

In photosystem-I, P700 refers to-
1. chl-b
2. chl-a
3. number of pigment molecules
4. absorption peak of chl-a at 700nm.

Light harvesting complexes are made up of-
1. proteins
2. pigments
3. protein and pigments
4. proteins and lipids.

In chloroplast the movement of electrons from PS-II to electron transport system is-
1. uphill in terms of redox potential scale.
2. downhill in terms of redox potential scale.
3. from one cytochrome to another
4. None of the above.