- ABerseem, cotton and sunn hemp
- BLentil, sunn hemp and berseem
- CSunflower, cotton and sugarcane
- DCowpea, cluster bean and teak leaves
Explanation:
Green manure is a term used to describe the specific plant or crop varieties that are grown and turned into the soil to improve its overall quality. A green manure crop can be cut and then plowed into the soil or simply left on the ground for an extended period prior to tilling garden areas. Examples of green manure crops include grass mixtures and legume plants. Some of the most commonly used are- lentil, vetch, sunn hemp, berseem, clover, peas, winter wheat, alfalfa etc.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$I$. Removal of $80\; \%$ tigers from an area resulted in greatly increased growth of vegetation.
$II.$ Removal of most of the carnivores resulted in an increased population of deers.
$III.$ The length of food chains is generally limited to $3$ to $4$ trophic levels due to energy loss.
$IV.$ The length of food chains may vary from $2$ to $8$ trophic levels.
Which two of the above statements are correct?
| Column-I | Column-II | ||
| (P) | Lichens | (i) | Parasitism |
| (Q) | Abingdon tortoise and goat | (ii) | Commensalism |
| (R) | Sea anemone and clown fish | (iii) | Competition |
| (S) | Human and liver fluke | (iv) | Mutualism |
