Plastids

Q. Green pigment (chlorophyll) is present in

1. chromoplast
2. lysosome
3. chloroplast
4. ribosome

Q.

Assertion: The Chromoplasts contain fat-soluble carotenoid pigments like carotene and xanthophylls etc.

Reason: These pigments give yellow, orange, or red color to some parts of the plants.

1. Both Assertion and Reason are incorrect

2. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

3. The assertion is correct but the Reason is incorrect

4. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

Q. The endosymbiotic hypothesis suggests that there are similarities between prokaryotes, mitochondria and chloroplasts like:

1. The presence of circular DNA associated with histones and 70S ribosomes
2. The presence of circular DNA not associated with histones and 70S ribosomes
3. 50S ribosomes and DNA
4. 30S ribosomes and DNA

Q. Cell organelle that converts radiant energy into chemical energy.

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

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.

Identify labelled structures in the diagram of chloroplast ____.

1. 1=Outer membrane, 2= Inner membrane, 3= Grana, 4= Stroma, 5= Thylakoids

2. 1=Outer membrane, 2= Inner membrane, 3= Thylakoids, 4= Grana, 5= Stroma

3. 1=Outer membrane, 2= Inner membrane, 3= Grana, 4= Thylakoids, 5= Stroma

4. 1=Inner membrane, 2= Outer membrane, 3= Grana, 4= Thylakoids, 5= Stroma

Q.

Amyloplasts stores ______________.

1. Carbohydrates

2. Oils

3. Proteins

4. None of these

Q.

Which of the following is/are not matched correctly?

1. Contractile vacuole – Osmoregulation

2. Peroxisomes – Detoxifies cell

3. Chloroplast – Gives red color to flower

4. Leucoplasts – Store food

Q. Match the following:

$\begin{array}{cc}\text{Plastid}& \text{Role}\\ \text{(i) Chromoplast}& \text{(A) Storage of lipids and oils}\\ \text{(ii) Amyloplast}& \text{(B) Storage of starch and sugar}\\ \text{(iii) Elaioplast}& \text{(C) Shows presence of carotenoid}\\ \text{(iv) Aleuroplast}& \text{(D) Store proteins}\end{array}$

1. (i)-(D), (ii)-(C), (iii)-(A), (iv)-(B)
2. (i)-(C), (ii)-(B), (iii)-(A), (iv)-(D)
3. (i)-(A), (ii)-(B), (iii)-(D), (iv)-(C)
4. (i)-(B), (ii)-(C), (iii)-(D), (iv)-(A)

Q.

Identify labelled structures in the diagram of chloroplast ____.

1. 1=Outer membrane, 2= Inner membrane, 3= Grana, 4= Stroma, 5= Thylakoids

2. 1=Outer membrane, 2= Inner membrane, 3= Thylakoids, 4= Grana, 5= Stroma

3. 1=Outer membrane, 2= Inner membrane, 3= Grana, 4= Thylakoids, 5= Stroma

4. 1=Inner membrane, 2= Outer membrane, 3= Grana, 4= Thylakoids, 5= Stroma

Q.

What is the composition of chromoplasts?