Secondary Education Examination (SEE)
Science and Technology
2082 (2026) · Gandaki · English medium
ℹ️ Give the answers in your own creative style based on the given instructions. Figures in the margin indicate the full marks. Attempt all the questions.
Section 'A' — Multiple Choice Questions
Choose the best alternative and write in the answer sheet. (10×1=10)
- 1
a)Why is sea-urchin kept in phylum Echinodermata?1
aBecause their bodies are externally covered by hard calcareous spinesbBecause they have muscular feet to help in swimming in water and gliding on the surfacecBecause their body is softdBecause it has tentacles on the headb)Which of the following statements is correct about queen bee?1
aQueen bee feeds honey and bread to larvaebQueen bee makes the hive warmcA hive has a large number of queen beesdIn a hive the queen bee lives the longestc)Which of the following plants has antioxidant, antimicrobial property as well as the capacity to relieve stress, depression and anxiety?1
aTurmericbAsiatic pennywortcGurjodNeemd)What will be the weight of a man on the Moon, if his weight on the Earth is 750 N? (Acceleration due to gravity of the Moon = 1.63 m/s²)1
a124.7 Nb125 Nc126.8 Nd127.8 Ne)Which of the following phenomena is based on the high specific heat capacity of water?1
aThe temperature of water in ocean does not vary much between day and nightbEven when the surface of Mountain Lake freezes in winter, fish don't diecWater pipes burst in winterdTemperature of water remains constant while boilingf)Which of the followings correctly describes the properties of an image formed by a convex lens when object is placed at between 'f' and '2f'?1
aVirtual, erect and diminishedbVirtual, inverted and magnifiedcReal, inverted and magnifieddReal, erect and magnifiedg)A transformer has 6,000 turns in the primary coil and 1,000 turns in the secondary coil. Calculate the secondary voltage if the primary voltage is 210 V.1
a25 Vb35 Vc45 Vd55 Vh)Which substance is the product 'Z' in the given chemical reaction? CO₂ + H₂O → Z1
aHCObH₂CO₂cH₂CO₃dCOOHi)Which of the following represents alkene?1
aCₙH₂ₙ₊₂bCₙH₂ₙ₋₂cCₙH₂ₙ₋₁dCₙH₂ₙj)Which of the following compounds is used to ripen fruits?1
aSodium carbonatebCalcium carbonatecCalcium carbidedSodium sulphate
Section 'B'
Write very short answers of the following questions. (9×1=9)
- 2
a)Certain variables should be controlled in scientific experiment, why?1
b)Write an application of QR code.1
c)Write a characteristic of the given organism on the basis of respiration.1
d)Write a function of worker bee after 21 days.1
e)Why can't a digital clinical thermometer be used to measure the temperature of boiling water?1
f)Write any one difference between the following figures on the basis of their working principles.1
Figure A
Figure B
g)Draw current time graph of alternating current.1
h)Draw a well labelled diagram of electro refining process of purification of impure silver.1
i)An ore contains a mixture of iron dust and zinc sulphide. Which method can be used to separate them?1
Section 'C'
Write short answers of the following questions. (14×2=28)
- 3
Write the example of other two types of variable involved in a scientific experiment, except controlled variable.2
- 4
Write any two differences between frog and fish based on the habitat and the structure of heart.2
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