Write the appropriate method for disposals of e-waste.

Differentiate between

a. Grazing food chain and Detritus food chain

b. Gross primary productivity and Net primary productivity

Arrange the following steps of decomposition in a sequential order: Catabolism, Leaching, Mineralisation, Humification and Fragmentation.

The number of taxa exhibiting asexual reproduction is drastically reduced in higher plants (angiosperms) and higher animals (vertebrates) as compared with lower groups of plants and animals. Analyse the possible

Corpus luteum in pregnancy has a long life. However, if fertilisation does not take place, it remains active only for 10-12 days. Explain. Reasons for this situation.