SEE | Compulsory Science and Technology Model Question | Set 2 | Of 2080-2024

SEE Compulsory Science and Technology Model Question Set 2 of 2080-2024.

SECONDARY EDUCATION EXAMINATION [SEE]
Compulsory Science and Technology (SET 2)
Grade 10-Class 10
SEE – 2080 (2024)
RE-1041
Full Marks – 75
Time - 3 hrs

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Write an answer in your own creative way on the basis of given instructions.

Group 'A'

Multiple choice Question: 10x1=10

1. Write the best alternative of the following questions in the answer sheet.

(a) Which of the following is the function of receiver?

(i) To convert received signal into desired form.
(ii) To receive digital signal from channel.
(iii) To receive analogue signal from source encoder.
(iv) To receive signal from source encoder.

(b) Why are mosses and ferns both found in moist and shady places?

(i) Do not need sunlight for photosynthesis.
(ii) Survive only at low temperature.
(iii) Depend on microorganisms for nutrition.
(iv) Requires water for fertilization.

(c) When Samira observed specimen in the laboratory, she found that both the organisms were long and cylindrical. She also found that organism A has cylindrical segmented body and organism B has not segmented body. By studying the above characteristics which statement is true for these organisms?

(i) Organism A is diploblastic whereas organism B is triploblastic.
(ii) Organism A is triploblastic whereas organism B is diploblastic.
(iii) Organism A has well developed circulatory system whereas organism B has no circulatory system.
(iv) Organism A has no circulatory system whereas B has well developed circulatory system.

(d) Which of the following groups is a group of endangered animals?

(i) Black buck, Wild yak, One horned Rhinoceros
(ii) Brown bear, Bengal tiger, Jackal
(iii) Red Panda, Pigmy hog, Deer
(iv) Snow leopard, Asiatic wild elephant, Horse

(e) The acceleration due to gravity on the surface of the earth is g. If mass and radius both are made halved, what is the new value of acceleration due to gravity on the earth surface?

(i) g
(ii) 2g
(iii) 3g
(iv) 4g

(f) On which principle given instrument based on?

(i) Pascal's law
(ii) Archimedes' Principle
(iii) Law of Gravitation
(iv) Newton's law

(g) Soni named the speed of violet, blue, yellow and red coloured beam during dispersion of light in prism as ev, eb, ey and er respectively. Which is the correct order of speed made by her?

(i) er < ey < eb < ev
(ii) er > ey > eb > ev
(iii) er < eb > ey < ev
(iv) er > eb > ey > ev

(h) Under what condition can the flat universe be hypothesized?

(i) When average density is equal with the critical density
(ii) When average density is less than the critical density
(iii) When average density is greater than the critical density
(iv) When average density and critical density are not comparable
(i) What is X in the given chemical equation?

NaOH + X → NaCl + H2O

(i) NaH
(ii) Cl2
(iii) HCl
(iv) H2O + Cl2

(j) Organic matter is considered as a major source of water pollution caused by wastes of food, animal and human excreta, garbage etc. Which of the following is a threat to aquatic life due to the excess of organic matter in water?

(i) The lack of space available to aquatic life
(ii) Microorganisms consume dissolved oxygen to decompose organic matter.
(iii) Organic matter is swallowed by small animals.
(iv) Decomposition of organic matter increases the temperature of water.

2. Write very short answers of the following questions. [9x1=9]

(a) What is dependent variables? Write with an example.

(b) Write the relation between upthrust and weight of displaced liquid.

(c) The apparent depth of water in a pond appears less than the real depth. Why?

(d) What is the focal length of lens having power 1 dioptre?

(e) A fan in a room rotates when its switch is made on which principle is used here?

(f) Which force is responsible for the existence of heavenly bodies in the universe?

(g) Write the name of main ore of iron.

(h) Why reduction of active metal is possible only by the electro refining method?

(i) Write molecular formula of given compound.

Group 'C'

Short answer type questions : 14x2=28

3. Prove that the unit of potential difference (V) = kgm2s-3A-1

4. Write any two characteristics of gymnosperm.

....

See below -

SEE Compulsory Science and Technology Model Question Set 2 of 2080-2024.

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