286: The light from the Sun reaches the Earth in about

(a) 2 min

(b) 4 min

(c) 6 min

(d) 8 min
287: Farm land tends to erode most rapidly when planted with

(a) sorghum

(b) potato

(c) wheat

(d) clover
288: The complete conversion of glucose In the presence of oxygen into carbon dioxide and water with release of energy is called

(a) aerobic respiration
(b) anaerobic respiration
(c) glycolysis
(d) hydrolysis
289: Microbial fuel cells are considered a source of sustainable energy, Why ?

1. They use living organisms as catalysts to generate electricity from certain substrates.

2. They use a variety of inorganic materials as substrates.

3. They can be installed in waste water treatment plants to cleanse water and produce electricity.

Which of the Statements given above is/are correct?

(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
290: Match List I with List II and select the correct answer using the codes given below the Lists:

List I---List II

I. Development Programme---(A) UN India Human Development Report

II. National Council of Applied Economic Research---(B) India Development Report

III. Indira Gandhi Institute of Development Research---(C) World Development Report

IV. World Bank---(D) Human Development Report

Codes:

(a) I-D, II-A, III-B, IV-C
(b) I-D, II-B, III-A, IV-C
(c) I-B, II-C, III-D, IV-A
(d) I-B, II-A, III-D, IV-C