Jam and jellies are mainly spoiled by

Which soil structure grade indicates no noticeable aggregation?

Which soil-forming factor is classified as “passive”?

The Rhizobium species suitable for soybean crop is 

The plant that is characteristic component of mangrove vegetation is 

The branch of biology which deals with the study of heredity and variation is known as

Name the vegetative propagation techniques where the plant part to be cut is rooted before it is completely cut away from the parent plant.

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. 

The C:N ratio of cultivated soil varies:

The main purpose of the “National Rural Employment Programme (NREP)” was:

Each species of plant or animal has an ideal location for its best growth and survival and the location is called