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
A number of organised flattened membranous sacs are called
(1)thylakoids
(2)starch granules
(3)Quantasomes
(4)None of these
The type of leucoplast which stores oils and fats is
1. amyloplast
2. aleuroplast
3. elaioplast
4. chromoplast
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
Chromatin can be stained with
1. Basic dyes
2. neutral dyes
3. acidic dyes
4. Crystal violet
The incorrect match is
1. Elaioplast- lipids
2. amyloplast-starch
3. aleuroplast-carbohydrates
4. chromoplast-carotenoids
All the three types of plastids have evolved from
1. Pro-plastid
2. chloroplast
3. chromoplast
4. leucoplast
Chromatin can be observed in
1. | Interphase nucleus | 2. | dividing nucleus |
3. | Both A and B | 4. | Nuclei of any stage |
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
Carotene and xanthophylls are present in
1. Chloroplast
2. chromoplast
3. leucoplast
4. Both A and B