Questions

When warm air rises up and cold air from the surrounding areas rushes in to fill its place then this sets up ________________ in air.

Acceleration due to gravity on a planet decreases with ______.

While releasing the arrow from a stretched bow, the PE of the bow is converted into?

Lungs are the primary organs of _________.

Molecular clocks are based on the idea that _____.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Repetition bred a sense of _____________ with the characters.

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

We get sleepy and wake up, become hungry and thirsty at certain hours, ____________ force of habit. We form the habit of liking a certain chair, or nook, or corner, or path, or desk, and __________ seek this to the exclusion of all others. We ______________ use a particular pitch of voice and type of enunciation in speaking, and this becomes one of our characteristic marks; or we _________ the habit of using barbarisms or solecisms of language in __________, and these cling to us and become an inseparable part of us later in life.

at certain hours, ____________ force of habit.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

The sound which is ______ to ears comes in the form of a melody.