Nutrition in Animals — Science STD 7 — Question

Which energy source is used at Bhakra Nangal Dam?

In water cycle, the maximum vaporization takes place:

A teacher instructs the student to outline the reasons about the importance of nutrition in living organisms. The table exhibits the list prepared by the students.
A. It supports the normal growth and development.
B. It allows each organism to prepare its own food.
C. It promotes overall health of the organism.
D. It allows organism to reduce its body weight
Based on the table, which statements are correct?

Soil conservation measures are mainly aimed at protecting which of the following?

The table lists a few motions which relate to measuring time.
(i) Motion of pendulum.
(ii) Sand falling in an hourglass.
(iii) Change in the position of shadow.
Which of these motions can be considered as a periodic motion?

Adding sodium chloride to water is a:

Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?

Which circuit is complete?

Source of water for springs is:

The longer wire in an LED is: