936: Water hyacinth is related to:
(a) Lemna
(b) Pistia
(c) Eichhornia
(d) None of these
937: Assertion (A) :
Activated charcoal is used for decolourising sugar solution.
Reason (R) :
Activated charcoal absorbs the impurities on its surface.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
938: As a result of their annual survey, the National Geographic Society and an international polling firm Globe Scan gave India top rank in Greendex 2009 score. What is this score ?
(a) It is a measure of efforts made by different countries in adopting technologies for reducing carbon footprint
(b) It is a measure of environmentally sustainable consumer behaviour in different countries
(c) It is an assessment of programmes/ schemes undertaken by different countries for improving* the conservation of natural resources.
(d) It is an index showing the volume of. carbon credits sold by different countries
939: With reference to educational institutes during colonial rule in India, consider the following pairs :
Institution Founder
1. Sanskrit College at Benaras - William Jones
2. Calcutta Madarsa - Warren Hastings
3. Fort William College - Arthur Wellesley
Which of the pairs given above is/are correct ?
(a) 1 and 2
(b) 2 only
(c) 1 and 3
(d) 3 only
940: If a mouse of over eight times its normal size has been produced by introducing human growth hormone gene, the technique involved is called
(a) Hybridisation
(b) Genetic engineering
(c) Mutation Breeding
(d) Hormonal feeding