While doing work and running, you move your organs like hands, legs etc. Which among the following is correct?

Let C denote the set of people who like cricket, and T denote the set of people who like tennis  ∴ n(C ∪ T) = 65, n(C) = 40, n(C ∩...

When we push the rock and fail to move it. Some of our energy is absorbed by the rock in the form of potential energy and the rest of our...

(a) tube feet 

There is a disturbance in co-ordinated regulation of expression of sets of genes associated with organ development.

HCl, HNO3, etc., ionise in the aqueous solution to produce H+ ions. Hence, they show acidic character. Compounds like C2H5OH and glucose do not ionise in the aqueous solution to give...

Analogous organs are those organs which have different structural designs and origin but perform similar functions. Homologous organs are those which have the same basic structural design and origin but perform...

(i) Save electricity by switching off unnecessary lights and fans. (ii) Reuse of used envelopes, plastic bottles. (iii) Opt for carpool. (iv) Cycling to school.

Four changes I would like to incorporate in our lifestyle in a move towards a sustainable use of available resources are: (i) I will collect plastic, paper, glass and metal items...

Let C denote the set of people who like cricket, and T denote the set of people who like tennis ∴ n(C ∪ T) = 65, n(C) = 40, n(C ∩...

D. forelimbs of a cow, a duck and a lizard