3151: Consider the following statements :

1. The Taxus tree naturally found in the Himalayas.

2. The Taxus tree is listed in the Red Data Book.

3. A drug called "taxol" is obtained from Taxus tree is effective against Parkinson's disease.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
3152: Cryogenic engines find applications in

(a) sub-marine propulsion

(b) frost-free refrigerators

(c) rocket technology

(d) researches in superconductivity
3153: Which of the following High Courts covers more than one State/Union Territories ?

(a) Delhi

(b) Allahabad

(c) Guwahati

(d) None of these
3154: A ball bounces higher at high altitudes than in plains. This is because:

(a) The pressure on higher altitudes is lower than that in plains

(b) Downward pull due to gravity is less at higher altitudes

(c) The rarefied air offers less resistance to the ball

(d) You become more energetic at hills, so greater the force applied, higher goes the ball
3155: Consider the following :

1. Assessment of land revenue on the basis of nature of the soil and the quality of crops

2. Use of mobile cannons in warfare

3. Cultivation of tobacco and red chillies

Which of the above was/were introduced into India by the English?

(a) 1 only
(b) 1 and 2
(c) 2 and 3
(d) None