1.Photosynthesis is a
a) Single-step process
b) Two-step process
c) Three-step process
d) Multi-step process
Explanation: Photosynthesis is a Multi-step process.
2. Photosynthesis occurs in
a) Green leaf
b) Green stem
c) Guard cells
d) All of these
Explanation: All of these
3. Within chloroplast, the membranous system is made up of
a) Grana
b) Stroma lamellae
c) Stroma
d) Both (a) and (b)
Explanation: Within chloroplast, the membranous system is made up of Grana and Stroma lamellae.
4. Calvin cycle is termed as dark reaction because it
a) Is not dependent on light for \[CO_{2}\] fixation in stroma
b) Occurs in dark
c) Is by convention only
d) Requires light
Explanation: Calvin cycle is termed as dark reaction because it is by convention only
5.Where does light reaction occur in chloroplast?
a) Membrane system (grana)
b) Stroma
c) Both (a) and (b)
d) None of theses
Explanation: Membrane system (grana)
6. Identify A to H in the given figure.
a) A–Stroma, B–Grana, C–Starch granule, D–Stromal lamella, E–Ribosomes, F–Inner
membrane, G–Outer membrane, H–Lipid droplet
b) A–Lipid droplet, B–Stroma, C–Ribosomes, D–Outer membrane, E–Grana, F–Stromal
lamella, G–Starch granule, H–Inner membrane
c) A–Starch granule, B–Ribosomes, C–Outer membrane, D–Lipid droplet, E–Grana,
F–Stroma, G–Stromal lamella, H–Inner membrane
d) A–Inner membrane, B–Outer membrane, C–Stroma, D–Stromal lamella, E–Ribosomes,
F–Grana, G–Lipid droplet, H–Starch granule
Explanation: A–Stroma, B–Grana, C–Starch granule, D–Stromal lamella, E–Ribosomes, F–Inner membrane, G–Outer membrane, H–Lipid droplet
7.Which of the following is correct about light reaction?
a) Light is required
b) ATP is produced during reaction
c) NADPH is produced during reaction
d) All of these
Explanation: All of these
8. Find out the incorrect statement from the following:
a) Dark reaction depends on the product formed by light reaction.
b) In stroma, enzymatic reactions incorporates \[CO_{2}\] into the plant leading to the synthesis of
sugar.
c) Purple and green sulphur bacteria use \[H_{2}S\] as hydrogen donor.
d) There is no division of labour in chloroplast.
Explanation: "There is no division of labour in chloroplast". This is incorrect statement.
9. Match the column:
Pigment Colour (in chromatogram)
A. Chlorophyll a – i) Bright or blue green
B. Chlorophyll b – ii) Yellow
C. Xanthophylls – iii) Yellow to Green
D. Carotenoids – iv) Yellow to yellow–orange
a) A–i, B–ii, C–iii, D–iv
b) A–i, B–iii, C–ii, D–iv
c) A–ii, B–i, C–iii, D–iv
d) A–iii, B–ii, C–i, D–iv
Explanation: A–i, B–iii, C–ii, D–iv
10. The chief pigment associated with photosynthesis is
a) Chlorophyll b
b) Chlorophyll a
c) Xanthophyll
d) Carotenoid
Explanation: The chief pigment associated with photosynthesis is Chlorophyll a