Chloroplast

Q.

At what wavelengths there is maximum absorption by chlorophyll a?

Q.

What is stroma lamellae and grana lamellae?

Q.

Meaning of granules in wbc

Q.

Do chloroplasts produce ATP?

Q.

What is integranal thylaloid..??

Q.

Which of the statement(s) is/are incorrect regarding chloroplast?

1. Chloroplasts are responsible for the synthesis of carbohydrates.

2. Chloroplasts have a double layered membrane like mitochondria.

3. A chloroplast is an essential part of both animal and plant cell.

4. Chloroplasts are not responsible for the colour of leaves.

Q.

Choose the correct labelling combination for the below-given diagram of Chloroplast.

1. Stroma Thylakoids Grana Thylakoids

2. Granum Stroma

3. Stroma Granum

4. Grana Thylakoids Stroma Thylakoids

Q.

Manganese is required in

1. Nucleic acid synthesis

2. Chlorophyll synthesis

3. Photolysis of water during photosynthesis.

4. Plant cell wall formation.

Q.

Photosynthesis occurs in leucoplasts.

1. True
2. False

Q.

Why are the following important to a plant cell?
Chloroplast

Q.

Pick the odd one out from the options given below.

1. Grana

2. Lamella

3. Cristae

4. Stroma

Q.

The membrane-bound structures joining the grana are the stroma.

1. True

2. False

Q.

Choose the correct statement(s) about chloroplasts.

1. Grana is made up of stacks of disc-shaped structures.

2. Stroma is made up of stacks of disc-shaped structures.

3. The chloroplast is an organelle bounded by a double membrane layer.

4. The chloroplast is bounded by stroma lamella.

Q.

The cell organelle responsible for photosynthesis.

Q.

___is called the kitchen of a cell.

Q. What us nucleoli and nucleolus (difference)?

Q.

Choose the correct statement about grana from the following.

1. stacks of membranes

2. outer membrane of chloroplast

3. aqueous fluid in chloroplast

4. stacks of thylakoids
   

Q.

Explain why chloroplasts are found only in plant cells?

Q.

What is the difference between chromoplast and chloroplast ?

Q.

Match the following:

$\begin{array}{cc}\text{Pigment}& \text{Colour}\\ a.\text{Chlorophyll a}& \left(i\right)\text{yellowish orange}\\ b.\text{Chlorophyll b}& \left(ii\right)\text{yellowish green}\\ c.\text{Carotene}& \left(iii\right)\text{yellow}\\ d.\text{Xanthophyll}& \left(iv\right)\text{bluish green}\end{array}$

1. Chlorophyll

2. Stomata

3. Guard cells

4. Chloroplast

Q. Suppose there were plants that had a high concentration of chlorophyll b but lacked chlorophyll a. Would it carry out photosynthesis ? Then, why do plants have chlorophyll b and other accessory pigments ?

Q.

Identify labelled structures in the diagram of Chloroplast ____.

1. Granum Stroma

2. Stroma Thylakoids Grana Thylakoids

3. Grana Thylakoids Stroma Thylakoids

4. Stroma Granum

Q.

Guess the word:

I am the site of photosynthesis in plant cells.

Q.

Which of the following is NOT matched correctly?

1. Chlorophyll b – imparts red colour to flowers.

2. Carotene- imparts yellowish orange colour to the plant parts.

3. Xanthophyll- imparts yellowish colour to the plant parts.

4. Chlorophyll a – imparts bluish green colour to the plant parts.