Which of the following statement is incorrect?
1. Oxygen is released from water.
2. Photosynthesis is a single step reaction.
3. Action spectrum of photosynthesis resembles roughly the absorption spectra of chlorophyll a and b.
4. In plants glucose is stored as starch.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhere 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe _____________ 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.
1. chloroplasts, chlorophyll, chloroplasts, optimum.
2. mesophyll cells, chlorophyll, mesophyll cells, optimum.
3. mesophyll cells, chloroplasts, mesophyll cells, optimum.
4. mesophyll cells, chloroplasts, mesophyll cells, minimum.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify i, ii, iii and iv labellings in the following diagram :
i | ii | iii | iv | |
1. | stroma lamella | thylakoid | stroma | genetic material |
2. | stroma lamella | grana | stroma | starch granule |
3. | grana | lamella | stroma | starch granule |
4. | stroma lamella | grana | cytoplasm | starch granule |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyColumn 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyProducts of light reaction does not include-
a. ATP & NADPH
b. CO2
c. O2
d. Electrons
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAbsorption spectrum of chlorophyll- ‘a’ is shown by-
a. i
b. ii
c. iii
d. Not shown.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow many pigments are responsible for the color of a plant leaf?
a. 1
b. 2
c. 3
d. 4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAfter 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology