Science Question Bank
for Exam preparation

Science- Q2. A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called?

1. Pollen
2. Sperm
3. Spore
4. Sporocyst

Science- Q3. Which of the following is the part of non- living components of environment include landforms, climate, water-bodies, temperature, humidity, air etc.?

1. Physical Environment
2. Cultural Environment
3. Biological Environment
4. Cognitive Environment

Science- Q4. Which of the following is not a member of the vitamin B complex?

1. Thiamine
2. Riboflavin
3. Folic acid
4. Ascorbic acid

Science- Q5. Consider the following statement (s) related to the force of friction I. It is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. II. When surfaces in contact move relative to each other, the friction between the two surfaces converts kinetic energy into thermal energy (that is, it onverts work to heat). Which is/are correct statement (s)?

1. Only I
2. Only II
3. Both I & II
4. Neither I nor II

Science- Q6. What is gene pool?

1. Total genetic material contained in a population.
2. It is the stock of different genes in an interbreeding population.
3. Both A & B

Science- Q7. Name an inert diatomic gas which is neither combustible nor helps in combustion?

1. Carbon Dioxide
2. Hydrogen
3. Nitrogen
4. None of the above

Science- Q8. Which of the vegetables have abundance of Vitamins A and C?

1. Brinjal
2. Lady's finger
3. Potato
4. Tomato

Science- Q9. Consider the following statement (s) about frequency I. It is describes as the number of waves that pass a fixed place in a given amount of time. II. It is measured in the hertz unit, named in honour of the 19th-century German physicist Heinrich Rudolf Hertz. Which is/are correct statement (s)?

1. Only I
2. Only II
3. Both I & II
4. All of the above

Science- Q10. Which of the following compound is not used as an alkali?

1. Sodium hydroxide
2. Potassium hydroxide
3. Carbon hydroxide
4. Nitrogen hydroxide