Science & Technology mcqs#7

Science & Technology mcqs#7 Q 1.H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases? a.AIDS  b.Bird flu  c.Dengue  d.Swine flu Show Answer ans – d Q 2.With reference to ‘fuel cells’ in which hydrogen-rich fuel and oxygen are used to generate electricity. consider the following statements : … Read more

Science & Technology mcqs#6

Science & Technology mcqs#6 Q 1.Consider the following statements: 1. Maize can be used for the production of starch. 2. Oil extracted from maize can be a feedstock for biodiesel. 3. Alcoholic beverages can be produced by using maize. Which of the statements given above is/are correct?  a.1 only  b.1 and 2 only  c.2 and … Read more

Science & Technology mcqs#5

Science & Technology mcqs#5 Q 1.Brominated flame retardants are used in many household products like mattresses and upholstery. Why is there some concern about their use? 1. They are highly resistant to degradation in the environment. 2. They are able to accumulate in humans and animals. Select the correct answer using the code given below. … Read more

Science & Technology mcqs#4

Science & Technology mcqs#4 Q 1.Fruits stored in a cold chamber exhibit longer storage life because  a.exposure to sunlight is prevented  b.concentration dioxide in the is increased of carbon environment  c.rate of respiration is decreased  d.there is an increase in humidity Show Answer Ans – c Q 2.Ball bearings are used in bicycles, cars, etc., … Read more

Science & Technology mcqs#3

Science & Technology mcqs#3 Q 1.Which of the following statements is / are correct? 1. Viruses lack enzymes necessary for the generation of energy. 2. Viruses can be cultured in any synthetic medium. 3. Viruses are transmitted from one organism to another by biological vectors only. Select the correct answer using the codes given below. … Read more

Science & Technology mcqs#2

Science & Technology mcqs#2 Q 1.Recombinant DNA technology (Genetic Engineering) allows genes to be transferred 1. across different species of plants 2. from animals to plants 3. from microorganisms to higher organisms Select the correct answer using the codes given below.  1 only  2 and 3 only  1 and 3 only  1, 2 and 3 … Read more

Science & Technology mcqs#1

Science & Technology mcqs#1 Q 1.Government of India encourages the cultivation of ‘sea buckthorn’. What is the importance of this plant? 1. It helps in controlling soil erosion and in preventing desertification. 2. It is a rich source of biodiesel. 3. It has nutritional value and is well-adapted to live in cold areas of high … Read more