The structures that are formed by stacking of organised flattened membranous sacks in the chloroplasts are:
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.
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?
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 |
© 2024 GoodEd Technologies Pvt. Ltd.