Science Question Bank
for Exam preparation

Science- Q2. In which part of the body digestion of protein starts?

1. Mouth
2. Stomach
3. Duodenum
4. Intestine

Science- Q3. What should be present in a substance to make it a conductor of electricity?

1. Strongly held electrons
2. Strongly held protons
3. Free electrons
4. Free protons

Science- Q4. Which of the following is the unit of radioactivity?

1. Curie
2. Becquerel
3. Rutherford
4. All of these

Science- Q5. ------------- play a vital role of releasing essential materials from the dead matter and thus maintain a continuous cycle of energy flow and of material.

1. Saprophytes
2. Autotrophs
3. Hetrotrophs
4. None of the above/ More than the above

Science- Q6. Which of the following are electrovalent compounds?

1. Copper Sulphate
2. Calcium Nitrate
3. Magnesium Oxide
4. All of the above

Science- Q7. Name a gas which is produced from fermentation of sugar?

1. Ammonia
2. Butane
3. Propane
4. Carbon Dioxide

Science- Q8. The planet Neptune was discovered by:

1. Galley
2. Galileo
3. Kepler
4. Newton

Science- Q9. Which of the following has the highest protein content per gram?

1. Groundnut
2. Soyabean
3. Apple
4. Wheat

Science- Q10. 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