Secondary Education Examination (SEE)
Science and Technology
2082 (2026) · Sudurpashchim · 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)Which of the following uses an analogue signal?1
aInfra-red thermometerbComputercSmart watchdShort wave radio receiverb)Following table shows the four groups of animals. To which group does fish belong?1
Animals Invertebrates Vertebrates Terrestrial W X Aquatic Y Z aWbXcYdZc)Choose the correct conclusion based on the given fact and statements. Fact: Climate change refers to long-term variations in temperature and precipitation patterns. Statement 1: This can lead to rising sea levels due to melting of ice. Statement 2: It makes the Earth move farther away from the Sun every year.1
aFact and both statements are correctbFact is incorrect but both the statements are correctcFact and statement 1 are correct but statement 2 is incorrectdFact and statement 2 are correct but statement 1 is incorrectd)Which of the following statements is correct?1
aValue of acceleration due to gravity decreases when we go higher from the surface of the EarthbValue of acceleration due to gravity decreases when the height increases from the surface of the EarthcValue of acceleration due to gravity is less at the polar regions than the equatorial region of the EarthdValue of acceleration due to gravity is the most at the highest peak of the Earthe)In the given figure, what is the weight of an object in liquid?1
a5 Nb25 Nc30 Nd35 Nf)Study the given diagram and identify p and q.1
ap - angle of refraction and q - critical anglebp - critical angle and q - angle of reflectioncp - angle of incidence, q - angle of refractiondp - critical angle, q - angle of refractiong)According to the Aufbau's principle, which of the following sequences is correct?1
a2s 2p, 3p, 4sb2p, 3s 3p, 4sc2p, 3s, 4s, 3pd1s, 2p 2s, 3sh)Which of the following equation is correct for the chemical reaction while burning magnesium with nitrogen?1
aMg + N →(Δ) MgNbMg + N₂ →(Δ) MgN₂c3Mg + N₂ →(Δ) Mg₃N₂d6Mg + N₂ →(Δ) 2Mg₃N₂i)Which of the following is the main ore of iron?1
aArgentitebChalcopyritecSideritedHaematitej)Study the following statement and arguments about soap. Statement: Soap is environment friendly. Argument 1: Soap is biodegradable, hence does not pollute environment. Argument 2: Soap gives scum in hard water and makes clothes and utensil clean.1
aStatement and argument 1 are wrong but argument 2 is correctbStatement and argument 2 are correct but argument 1 is wrongcStatement and argument 2 are wrong but argument 1 is correctdStatement and argument 1 are correct but argument 2 is wrong
Section 'B'
Write very short answers of the following questions. (9×1=9)
- 2
a)Why is the controlled variable is kept unchanged in scientific experiment?1
b)Bat and whale have many dissimilarities, yet they are kept in the same class, why?1
c)What is the weight of body on the Moon's surface if its weight is 150 N on the Earth's surface?1
d)Define free fall.1
e)State the law of pressure that can be verified by the given figure.1
f)Draw a graph to show the relationship between alternating current and time.1
g)In which group of modern periodic table does the element having electronic configuration 1s², 2s²2p⁶, 3s² lie?1
h)Why is magnetic separation used in metallurgy?1
i)Write down the structural formula of glycerol.1
Section 'C'
Write short answers of the following questions. (14×2=28)
- 3
Test the validity of power (P) = W/t by unit wise analysis.2
- 4
If you are given only the leaves of three plants belonging to the sub divisions under the tracheophyta. Is it possible to identify their sub divisions? Give your logic.2
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