The rate at which solar energy is stored in green plants to be used as food is called :

Incinerators are used for which of the following?

With reference to 'Ecosystem', which of the following statements is/are correct? 1. Green plants in terrestrial ecosystem capture about 1% of energy of the sunlight that falls on their leaves. 2. Aro…

India is a party to the Ramsar Convention and has declared many areas as Ramsar Sites. Which of the following statements best describes as to how we should maintain these sites in the context of the…

Which date is marked as the World Day for War Orphans?

Which of the following lakes of India is a Ramsar site?