The correct equation, representing the overall process of photosynthesis is –
a. 6CO2 + 6H2O C6H12O6 + 6H2O + 6O2
b. 6CO2 + 6H2O C6H12O6 + 6O2
c. 6CO2 + 12H2O C6H12O6 + 6O2 + 6H2O
d. 6CO2 + 12H2O C6H12O6 + 6O2 + H2O

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Which of the following statement is incorrect?
a. Oxygen is released from water
b. Photosynthesis is a single step reaction
c. Action spectrum of photosynthesis resembles roughly the absorption spectra of chlorophyll a and b.
d. In plants glucose is stored as starch.

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Where does photosynthesis takes place?
a. in green leaves
b. in green parts of plant
c. in leaves
d. in complete plant

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The _____________ in the leaves, have a large number of_________, which align themselves along the walls of the ____________, such that they get the __________quantity of the incident light.
a. chloroplasts, chlorophyll, chloroplasts, optimum
b. mesophyll cells, chlorophyll , mesophyll cells, optimum.
c. mesophyll cells, chloroplasts, mesophyll cells, optimum.
d. mesophyll cells, chloroplasts, mesophyll cells, minimum.

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Identify a,b,c and d labellings in the following diagram.

a. i - stroma lamella; ii- thylakoid; iii- stroma; iv-genetic material
b. i- stroma lamella; ii- grana; iii-stroma; iv-starch granule
c. i- grana; ii- lamella; iii-stroma; iv-starch granule
d. i- stroma lamella; ii- grana; iii-cytoplasm; iv-starch granule.

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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

a. i-b, c; ii-a, d.
b. i-a, d; ii-b, c.
c. i-b, d; ii-a,c.
d. i-b; ii-a, c, d.

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How many 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 stroma, enzymatic reactions incorporate CO2 into the plant leading to the synthesis of sugar
iv. dark reactions are light independent
v. chloroplast is single membranous organelle.
a. 2
b. 3
c.4
d.1

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Products of light reaction does not include-
a. ATP & NADPH
b. CO2
c. O2
d. Electrons

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


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

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

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