The structures that are formed by stacking of organised flattened membranous sacks in the chloroplasts are:
1. cristae
2. grana
3. stroma lamellae
4. stroma
2. grana
3. stroma lamellae
4. stroma
The chromosomes in which the centromere is situated close to one end are:
2. acrocentric
3. telocentric
4. sub-metacentric
Select the correct matching among the following pairs.
| 1. | Smooth ER-Oxidation of phospholipids |
| 2. | Smooth ER-Synthesis of lipids |
| 3. | Rough ER-Synthesis of glycogen |
| 4. | Rough ER-Oxidation of fatty acids |
Which one of the following is not an inclusion body found in prokaryotes?
| 1. | Phosphate granule | 2. | Cyanophycean granule |
| 3. | Glycogen granule | 4. | Polysome |
Transpiration and root pressure cause water to rise in plants by:
2. pulling and pushing it, respectively
3. pushing it upward
4. pushing and pulling it, respectively
Minerals known to be required in large amounts for plant growth include:
1. phosphorus, potassium, sulphur, calcium
2. calcium, magnesium, manganese, copper
3. potassium, phosphorus, selenium, boron
4. magnesium, sulphur, iron, zinc
What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows?
| 1. | Green plants need light to perform photosynthesis |
| 2. | Green plants seek light because they are phototropic |
| 3. | Light stimulates plant cells on the lighted side to grow faster |
| 4. | Auxin accumulates on the shaded side, stimulating greater cell elongation there |
In a ring-girdled plant:
2. the root dies first
3. the shoot and root die together
4. Neither root nor shoot will die
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