Daily Subject wise Quiz Day 30 General Science I (Online Prelims Test)

1) Which of the following is reason behind universal solvent nature of Water

2) Which of the following statements are correct with respect to difference between sodium lamps and LED lamps?

1. Sodium lamps produce light at 360 degrees but it is not so in the case of LED lamps.
2. As street lights, sodium lamps have a longer life span than LED lamps.
3. The spectrum of visible light from sodium lamps is almost monochromatic while LED lamps offer significant colour advantages in street lighting.

Select the correct answer using the code given below.

3) Which of the following statements are correct regarding the general difference between plant and animal cells ?

1. Plant cells have cellulose cell walls whilst animal cells do not.
2. Plant cells do not have plasma membranes unlike animal cells which do.
3. Mature plant cell has one large vacuole whilst an animal cell has many small vacuoles.

Select the correct answer using the codes given below 

4) Consider the following statement with respect to carbon nanotubes

1. They are bio degradable and can be used as the carriers of drugs in the human body.
2. They can be made into artificial blood capillaries for an injured part of the human body.

Which of the above statements is/are correct?

5) Which one of the following is a reason why astronomical distances are measured in light-years?