1006: With reference to 'Li-Fi', recently in the news, which of the following statements is/are correct?
1. It uses light as the medium for high-speed data transmission.
2. It is a wireless technology and is several times faster than 'WiFi'.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1007: The educated middle class in India
(a) opposed the revolt of 1857
(b) supported the revolt of 1857
(c) remained neutral to the revolt of 1857
(d) fought against native rulers
1008: A person has 4 coins each of different denomination. What is the number of different sums of money the person can form (using one or more coins at a time)?
(A) 15
(B) 16
(C) 10
(D) 12
1009: In many developing countries, three major causes of death and disease are
(a) lack of safe drinking water, increasing use of pesticides and thinning of the ozone layer
(b) contaminated food, global warming and industrial chloro-fluoro-carbons
(c) polluted air, greenhouse effect and soil erosion
(d) dirty water, contaminated food and polluted air
1010: What is the name of the vessel that delivers the nutrient rich blood from the stomach & small intestine to the liver ?
(a) Left hepatic artery
(b) Hepatic portal vein
(c) Right hepatic artery
(d) Hepatic vein