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 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 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