Sci/Tech Quiz, 13 December 2018

If both husband and wife have blood group A, then their child cannot have which of the following blood group?

Biodigester toilets are hailed as a solution to many of our problems. Which of the following about biodigester toilets is correct?
1. they use aerobic bacteria
2. they require no or very low maintenance
3. the use less water
Select the correct answer using the codes given below.

With reference to free radicals, consider the following statements :
1. they are released as a result of oxidation in body cells
2. they are useful for the body
Which of the statements given above is/are correct ?

Which of these increases High Density Lipoprotein (HDL) in he body?
1. coconut oils
2. omega 3 fatty acids
3. trans fats
Select the correct answer using the codes given below.

Various vitamin deficiency causes different diseases. In this regard which of the following pairs are correctly matched?
1. niacin : cheliosis
2. thiamine : pellagra
3. retinol : xerophthalmia
Select the correct answer using the codes given below.