The Chloroplast

Q.

Sphaerosome are involved in

1. Synthesis and storage of lipid

2. Synthesis of protein

3. β–oxidation of fatty acids

4. Synthesis and storage of carbohydrate

Q.

The pigment molecules responsible for photosynthesis are located in the

1. cytoplasm of the cell

2. stroma of the chloroplast

3. thylakoid membrane of the chloroplast

4. mitochondria

Q.

What organelle in higher plant cells contain chlorophyll?

1. chloroplast

2. cytosol

3. secretory vessels

4. nucleus

Q. Label A, B, and C respectively.

1. Lumen, granum, and stroma
2. Granum, stroma, and lumen
3. Stroma, granum, and lumen
4. Stroma, lumen, and granum

Q. In leaves, the chloroplasts align themselves along the walls of the mesophyll cells

1. to prevent sunlight from falling on the chloroplast
2. to provide optimum sunlight for photosynthesis
3. to facilitate the dark reaction
4. none of the above

Q. Which of the following is not a constituent of chloroplast?

1. Stroma lamellae
2. Ribosomes
3. Stroma
4. Cristae

Q. Thylakoid is

1. the aqueous fluid enclosed by the inner membrane of the chloroplast
2. the site for the dark reaction of photosynthesis
3. a flattened disc-like sac in chloroplast
4. the site of protein synthesis in chloroplasts

Q.

how do plants with adventitious roots perform photosynthesis ?

Q.

Chlorophyll in chloroplasts is located in

1. Grana

2. Pyrenoid

3. Stroma

4. Both grana and stroma

Q.

The pigment molecules responsible for photosynthesis are located in the ______.

1. mitochondria

2. cytoplasm of the cell

3. stroma of the chloroplast

4. thylakoid membrane of the chloroplast

Q. Chloroplasts have a double layered cell membrane.

1. False
2. True

Q. The outer membrane of chloroplast is

1. highly permeable to ions and solute
2. less permeable to ions and solutes
3. equipped with chlorophyll
4. none of the above

Q. Assertion: The stromal thylakoids are rich in both PS I and PS II.
Reason: The granal membranes are rich in ATP synthetase.

1. Both reason and assertion are true and the reason is the correct explanation for the assertion.
2. Both the reason and assertion are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but the reason is false.
4. Both the assertion and reason are false.

Q. Choose the correct statement(s) from the following about chlorophyll :
I. Four pyrrole rings are attached to Mg by their C atoms
II. Cyclopentanone ring is attached to the tetra-isoprenoid alcohol chain.
III. Chlorophyll appears green due to absorption of red and blue light.
IV. Excitation of chlorophyll by light is a photochemical reaction

1. I, II, III
2. III, IV
3. I, II, IV
4. II, III, IV

Q.

Match the following

(a) Cristae (i) Flat membranous sacs in stroma

(b) Cisternae (ii) Infoldings in mitochondria

(c) Thylakoids (iii) Disc-shaped sacs in Golgi apparatus