Compulsory Science Question Paper | 2075 [2019] | RE-111DP | SEE


SEE - 2075 (2019)
COMPULSORY SCIENCE (अनिवार्य विज्ञान)
Code - RE-111'DP'
(New Course)
Time: 2 hours 15 minutes
Full Marks: 75
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Answer all the questions. (सबै प्रश्नहरुको उत्तर दिनुहोस्।)


समूह 'क' (Group 'A') [15x1=15]

1. Write short answer of the following questions.

a. Write the value of acceleration due to gravity on the surface of the moon in S.I. unit.

b. What is upthrust?

c. Write two examples of biomass.

d. Write the boiling point and freezing point of mercury.

e. Write the relationship between power of lens and it's focal length.

f. Write the position of lanthanides in the periodic table.

g. By which property of carbondioxide it helps in extinguish the fire?

h. What is the IUPAC name of the ethyl alcohol?

i. What is glazing?

j. Name two types of silkworm cultivated in Nepal.

k. Write two substances produced by tastes.

l. What is uric acid?

m. What is metacentric chromosome?

n. Planaria reproduces by the process of regeneration. What does it mean?

o. Define synodic month.



समूह 'ख' (Group 'B') [13x2=26]

2. Hydraulic press is called force multiplier. Why?

3. Large amount of energy is produced during the fission of uranium atom. Give reason.

4. Write any two differences between clinical thermometer and laboratory thermometer.

5. Write two uses of transformer.

6. Which group of elements are kept in the given table? What happens to the reactivity of the elements when moving top to bottom? Why?

7. Two chemical substances A and B when mixed at room temperature react very slowly. Suggest two different ways of increasing the rate of this reaction.

8. Write a balanced chemical equation in which positive catalyst is used.

9. Mention any two reasons of chemical pollution.

10. Pancreas is called mixed gland. Why?

11. Write any two causes of increasing uric acid.

12. Write any two difference between drone bee and worker bee.

13. Write two importance of tissue culture.

14. Write two effects of ozone layer depletion.

समूह 'ग' (Group 'C') [6x3=18]


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