Which one of the following is essential for the photolysis of water?
1. Boron
2. Manganese
3. Zinc
4. Copper
In Kranz anatomy, the bundle sheath cells have:
| 1. | thick walls, many intercellular spaces and few chloroplasts |
| 2. | thin walls, many intercellular spaces and no chloroplasts |
| 3. | thick walls, no intercellular spaces and a large number of chloroplasts |
| 4. | thin walls, no intercellular spaces and several chloroplasts |
Which one of the following is not an essential mineral element for plants while the remaining three are?
1. Phosphorus
2. Iron
3. Manganese
4. Cadmium
Whorled, simple leaves with reticulate venation are present in:
| 1. | Alstonia | 2. | Calotropis |
| 3. | Neem | 4. | China Rose |
What is common between vegetative reproduction and Apomixis?
1. Both produce progeny identical to the parent
2. Both are applicable to only dicot plants
3. Both bypass the flowering phase
4. Both occur round the year
In mitochondria, protons accumulate in the:
1. Matrix
2. Outer membrane
3. Inner membrane
4. Intermembrane space
Which one of the following pairs is wrongly matched while the remaining three are correct?
1. Agave - Bulbils
2. Penicillium - Conidia
3. Water hyacinth - Runner
4. Bryophyllum – Leaf buds
In angiosperms, functional megaspore develops into:
1. Pollen sac
2. Embryo sac
3. Ovule
4. Endosperm
© 2026 GoodEd Technologies Pvt. Ltd.