2286: Why camphor disappears when kept on a plate?

(a) It sublimes

(b) It reacts with the metal of the container

(c) It reacts with the gases of the air

(d) None of the above
2287: Angora wool is obtained from a breed of

(a) Rabbit

(b) Sheep

(c) Goat

(d) Fox
2288: Why is it advisable not to draw current for many appliances from a single point?

(a) Current will decrease

(b) Current will increase

(c) Current and voltage both will increase

(d) Voltage will decrease whereas current will increase
2289: What is the pH level of blood of normal person?

(a) 4.5-4.5
(b) 6.45-6.55
(c) 7.35-7.45
(d) 8.25-8.35
2290: Which of the following are characteristics shown by a breast-fed baby when compared to a bottle-fed baby ?

I. It is less obese.

II. It shows greater capacity, to resist diseases.

III. It gets more vitamins an proteins.

IV. Its growth in height is abnormal.

Select the correct answer from the codes given below.

Codes:

(a) I, II and III

(b) I, II and IV

(c) I, III and IV

(d) II, III and IV