1271: With regard to the transmission of the Human Immuno deficiency Virus, which one of the following statements is not correct ?

(a) The chance of transmission from female to male are twice as likely as from male to female

(b) The chances of transmission are more if a person suffers from other sexually transmitted infections

(c) An infected mother can transmit the infection, at childbirth and by breast feeding

(d) The risk of contraction infection from transfusion of infected blood is much higher than an exposure to contaminated needle
1272: Assertion (A):
Unsaturated fats are more reactive compared with the saturated fats.

Reason (R):
Unsaturated fats have only single bonds in their structure.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
1273: Which of the following pairs is/are correctly matched ?

Inventor : Invention
1. Christopher : Hovercraft Cockerell
2. David Bushnell : Submarine
3. J.C. Perrier : Steamship

Select the correct answer using the code given below :

(a) 1 and 2, only
(b) 2 and 3, only
(c) 1 and 3, only
(d) 1, 2 and 3

1274: Assertion (A):

The thickness of the atmosphere is maximum over the Equator.

Reason (R):

High insolation and strong convection currents occur over the Equator.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
1275: With which one of the following rivers is the Omkareshwar Project associated?

(a) Tapi

(b) Bhima

(c) Narmada

(d) Chambal