1. Oxygen scavangers present in root nodules of legumes is

2. Which one of the following is not a micronutrient?

3. Which of the following is not a macronutrient

4. Insectivorous plants grow where

5. Phytotron is meant for

6. Toxicity of which element leads to the appearance of brown spots on leaves

7. Presence of phosphorus

8. Which element is required for opening and closing of stomata?

9. Exanthema is due to deficiency of

10. NPK denotes