The chloroplast

Q.

Explain the structure of chloroplast.

Q. Photosynthetic pigments are located in the chloroplast in

1. Intra thylakoid space
2. Inter membrane space
3. Inner membrane of envelope.
4. Thylakoid membranes

Q.

What is the function of peroxisomes?

Q. The major photosynthetic organ of a plant is the

1. Stem
2. Root
3. Flower
4. Leaf

Q. Stroma in the chloroplasts of higher plants contain

1. Light dependent reaction enzymes
2. Light independent reaction enzymes
3. Chlorophyll
4. Ribosomes

Q.

Size of an organism increases due to

1. Increase in cell mass

2. Increase in cell number

3. Increase in cell function

4. Increase in cell size

Q. The structures that are foremed by stacking of organized flattened membranous sacs in the chloroplasts are:

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

Q. Stroma is the ground matrix of

1. Lysosomes
2. Ribosomes
3. Oxysomes
4. Chloroplast.

Q.

The green colour of leaves is due to the presence of the pigment_____.

1. Chlorophyll

2. Ribosomes

3. Mitochondria

4. Chloroplast

Q. A group of collaborating photosynthetic pigment molecules is called

1. Quantasome
2. Chlorophyll – b
3. Chlorophyll – a
4. Carotenoid

Q. Grana refers to

1. Stacks of thylakoids in plastids of higher plants
2. A constant in quantum equation
3. Glycolysis of glucose
4. By – product of photosynthesis

Q.

differentiate between apoplast and symplast

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. Why chloroplasts are found only in plant cells?

Q. Chlorophyll in chloroplasts is located in

1. Pyrenoid

2. Grana

3. Stroma

4. Both A and B

Q. The site of primary photochemical reaction in a chloroplast is.

1. Stroma
2. Grana
3. Quantasome
4. Stroma lamellae.

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. Why chloroplasts are found only in plant cells?

Q. Chloroplasts are agranal in

1. Algae
2. Bundle sheath cells of C4-plants
3. Mesophyll cells of C4-plants
4. Both a & b
   

Q.

Assertion (A): Chloroplasts are present in all plant cells.

Reason (R): Chloroplasts are present in cells present in the parts that are exposed to sunlight.

1. Both A and R are correct and R explains A
2. Both A and R are correct and R does not explain A
3. A is incorrect but R is correct
4. Both A and R are incorrect

Q. Chlorophyll in chloroplasts is located in

1. Grana
2. Stroma
3. Pyrenoid
4. Both Grana and Stroma

Q. The greater the number of chloroplast greater is the turgidity of guard cell.

1. True
2. False

Q. name one accessory pigment and one essential pigment in photosynthetic plants