General Science - Biology MCQs

1. It improves night vision as well as the day vision
2. It is responsible for pigments which are used by rods and cones in Retina of Eye

Select the correct option from the codes given below:

1. Stem cells can develop into organs needed for transplant
2. Stem cells are found only in reproductive tissues
3. Stem cells are relatively unspecialized cells

Select the correct option from the codes given below:  

1. The Red Blood Cells live for around 120 days
2. Both Red and White blood cells are formed in the bone marrow
3. The platelets are not cells

Which among the above statements is / are correct?

1. The Ebola virus can only be passed through body fluid
2. Fruit bats or flying foxes are natural hosts of the Ebola virus
3. There are five strains of Ebola virus out of which four can make people sick
4. The Ebola virus is named after a river

Select the correct statements from the codes given below:

1. Oxides of nitrogen
2. Carbon monoxide
3. Polycyclic hydrocarbons
4. Lead

Select the correct option from the codes given below:

1. While OPC contains iron and manganese content, there is no iron or manganese in White cement
2. While Gypsum is used in making of OPC, Gypsum is not used in making of White Cement
3. Production of white cement consumes significantly more energy in comparison to gray cement

Select the correct option from the codes given below:

1. has less sulphur content
2. sourced only from North Sea
3. is expensive

Which of the above is / are correct statements?