Observe the given picture. What does it show?
(A) It shows that plants respond to the gravity.
(B) It shows that plants respond to the changes in their surroundings.
(C) It shows that plants need air, water and light to grow.
(D) It shows that plants respond to touch.
Hot milk is poured into four bowls as shown in figure. In which bowl the temperature of milk will drop at fastest rate?
How many such pairs of letters are there in the given word each of which has as many letters between them in the word as in the English alphabet.
Read the given experiment and answer the following questions.Paper pins are stuck to a metal rod with wax and a lighted candle is kept below the rod as shown in the diagram below.
What does this experiment illustrate?
A Wax melts easily.
B The candle flame conducts heat.
C The thumbtacks expand when heated.
D Heat gets transferred from hot part of a body to cold part.