Questions

World Climate conference popularly known as COP-21 (2015) was held in ___.

Which of the following metals does NOT react with cold or hot water?

If Metal A displaces Metal B from its solution, then Metal A ____.

The hardest natural substance is

Human blood platelets releases ___ which helps in clotting of blood.

Which type of epithelial tissue allows transportation of substances through a selective permeable surface in the lining of food vessels or lung alveoli?

If the average total cost are Rs 54, total fixed cost is Rs 45000 and quantity produced is 2500 units, find the average variable costs (in Rs) of the firm?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
Grandfather led (1)/a peaceful life after his (2)/retirement from the army.(3)/No Error (4)