4151: Which one of the following animals was NOT represented on the seals and terracotta art of the Harappan culture ?
(a) Cow
(b) Elephant
(c) Rhinoceros
(d) Tiger
4152: Consider the following statements, the purpose of adding sodium sulphate and sodium silicate to the detergent in a washing powder is
1. To keep the washing powder dry
2. To maintain the alkalinity of the powder
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
4153: The wrongly matched pair among the following is:
(a) Gandhiji --- Dandi March
(b) Mohammed Ali Jinnah --- Khilafat movement
(c) Sir Syed Ahmed Khan --- Aligarh Muslim University
(d) Subhash Chandra Bose --- Forward Bloc
4154: "Ranikhet" is a disease found in:
(a) Poultry
(b) Cows
(c) Sheep
(d) Dog
4155: If water pollution continues at its present rate, it will eventually
(a) stop water cycle
(b) prevent precipitation
(c) make oxygen molecules unavailable to water plants
(d) make nitrate unavailable to water plants