Questions

Biological Control: This method is very effective. One pest is destroyed by another organism. For example the aphids are killed by lady beetle. The prickly pear is eradicted by cochineal insect. Here the advantage is, one does not use harmful chemicals which may get into the host plants.

The antagonist is the negative or opposing force in a story.

It could be a human enemy, or it could be non-human, like an animal or something less tangible, like fear.

The antagonist plays an important role in story development.

Government appointed former Canara Bank MD & CEO Rakesh Sharma as the new MD & CEO of IDBI Bank for the tenure of six months. Prior to him B. SRiram was the MD & CEO of IDBI Bank and he retired on September 30, 2018.

Relationships among people are to be maintained in such a way that the people must stay healthy and to become strong enough.

A living community and its environment is what an ecosystem is.

DNA is called the blueprint of life because it contains the instructions needed for an organism to grow, develop, survive and reproduce. DNA does this by controlling protein synthesis. Proteins do most of the work in cells, and are the basic unit of structure and function in the cells of organisms.

The simplest organic compounds contain only the elements carbon and hydrogen, and are called hydrocarbons.

Here all the given options are hydrocarbons.