Q. No.Where does photosynthesis takes place?
a. in green leaves
b. in green parts of plant
c. in leaves
d. in complete plant
Difficulty Level:
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.
Difficulty Level:
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.
Difficulty Level:
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.
Difficulty Level:
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
Difficulty Level:
Products of light reaction does not include-
a. ATP & NADPH
b. CO2
c. O2
d. Electrons
Difficulty Level:
Absorption spectrum of chlorophyll- ‘a’ is shown by-
a. i
b. ii
c. iii
d. Not shown.
Difficulty Level:
How many pigments are responsible for the color of a plant leaf?
a. 1
b. 2
c. 3
d. 4
Difficulty Level:
After performing the chromatographic separation of a plant leaf, experimentor found bright or blue green colour in the chromatogram. Then this pigment should be-
a. xanthophyll
b. carotenoid
c. chlorophyll a
d. chlorophyll b.
Difficulty Level:
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.
Difficulty Level:
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