Questions

Stars twinkle but planets do not twinkle because

On what are the principles of joint operations formed?

The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)

Albert Sabin is known for developing _____.

Kaleidoscope was invented by ________.

The series of processes by which nitrogen and its compounds are inter-converted in the environment and in living organisms is called _____ .

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options

P: Very seldom do we actually go out and do something, which is beneficial to the society without thinking of our own side benefit of it.
Q: This is something that we have been falling short of.
R: Every society must develop in its people a social responsibility.
S: We are very individualistic and don’t relate ourselves to our society as such.

DPT vaccine is categorized as which of the following ?