Based on the type of pigments plastids can be classified into how many classes

1. 3

2. 4

3. 2

4. 1

Subtopic:  Plastids |
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All the three types of plastids have evolved from

(1)Pro-plastid

(2)chloroplast

(3)chromoplast

(4)leucoplast

Subtopic:  Plastids |
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The type of leucoplast which stores oils and fats is

(1)amyloplast

(2)aleuroplast

(3)elaioplast

(4)chromoplast

Subtopic:  Plastids |
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The incorrect match is

(1)Elaioplast- lipids

(2)amyloplast-starch

(3)aleuroplast-carbohydrates

(4)chromoplast-carotenoids

Subtopic:  Plastids |
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Carotene and xanthophylls are present in

(1)Chloroplast

(2)chromoplast

(3)leucoplast

(4) Both A and B

Subtopic:  Plastids |
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Which of the following is true about chloroplast

1. one in chlamydomonas

2. 20-40 in leaf mesophyll cell

3. present in different shapes

4. All of these

Subtopic:  Plastids |
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Which of the following is true about stroma except

(1)contains enzymes for carbohydrates and proteins synthesis

(2)Chlorophyll pigments are present in stroma

(3) contains the most abundant protein of the universe

(4)contains small, dsDNA molecules

Subtopic:  Plastids |
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The common feature of mitochondria and plastids

(1) both are double membranous cell organelles

(2)Both contains 70s ribosomes

(3)both have dsDNA

(4)All of the above

Subtopic:  Plastids |
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A number of organised flattened membranous sacs are called

(1)thylakoids

(2)starch granules

(3)Quantasomes

(4)None of these

Subtopic:  Plastids |
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Chromatin can be stained with

1. Basic dyes

2. neutral dyes

3. acidic dyes

4. Crystal violet

Subtopic:  Nucleus: Chromosomes |
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