Prior to sowing of crop seeds, these plants are grown and then mulched by ploughing them into the soil. Which of the following statements is not correct about them?
(A) These plants turn into a kind of manure called vermicompost
(B) These include sunnhemp, guar, Berseem etc
(C) These plants help in enriching the soil in nitrogen and potassium
(D) Both (A) & (C).
correct answer is ( a )
Study the given diagram carefully and select the correct option.
A X - Solid, Y - Liquid, R - Heating
B Y - Gas, Z - Liquid, T - Heating
C X - Solid, Z - Gas, P - Freezing
D Y - Gas, X - Liquid, Q - Cooling
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?