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WESTBENGAL SCIENCE TALENT SEARCH EXAMINATION ,OCT 2023

Authored by Soumitra Pramanik

Science

10th Grade

65 Questions

Used 1+ times

WESTBENGAL SCIENCE TALENT SEARCH EXAMINATION ,OCT 2023
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1.

FILL IN THE BLANK QUESTION

30 sec â€ĸ 2 pts

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How much of the sun's energy can plants use of the total energy that falls on them ?

āϏ⧌āϰ āĻļāĻ•ā§āϤāĻŋāϰ āĻ•āϤāϟ⧁āϕ⧁ āĻ…āĻ‚āĻļ āĻ—āĻžāĻ› āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰ⧇ ?

2.

MULTIPLE SELECT QUESTION

1 min â€ĸ 2 pts

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Decomposers are important because (check all the correct answers)

āĻŦāĻŋāϝ⧋āϜāĻ• āĻ…āϤāĻŋ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āĻ•āĻžāϰāĻŖ

They break down organic matter into inorganic form and help recycle it

āϜ⧈āĻŦ āĻŦāĻ¸ā§āϤ⧁āϕ⧇ āϭ⧇āϙ⧇ āĻ…āϜ⧈āĻŦ āĻŦāĻ¸ā§āϤ⧁āϤ⧇ āϰ⧂āĻĒāĻžāĻ¨ā§āϤāϰāĻŋāϤ āĻ•āϰ⧇

They remove impurities from the soil

āĻŽāĻžāϟāĻŋāϰ āĻĨ⧇āϕ⧇ āĻ…āĻŦāĻŋāĻļ⧁āĻĻā§āϧāĻŋ āĻĻāĻŋāϝāĻŧ⧇ āĻĻā§‚āϰ āĻ•āϰ⧇

They clean up the environment DECOMPOSING by dead organisms

āĻŽā§ƒāϤ āĻ…āύ⧁āĻœā§€āĻŦ āĻĻā§āĻŦāĻžāϰāĻž āĻŦāĻŋāϝāĻŧā§‹āϜāύ⧇āϰ āĻŽāĻžāĻ§ā§āϝāĻŽā§‡ āĻĒāϰāĻŋāĻŦ⧇āĻļ āĻĒāϰāĻŋāĻˇā§āĻ•āĻžāϰ āϰāĻžāĻ–

They make fossil fuels.

āϤāĻžāϰāĻž āĻœā§€āĻŦāĻžāĻļā§āĻŽ āĻœā§āĻŦāĻžāϞāĻžāύāĻŋ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻ•āϰ⧇

3.

MULTIPLE CHOICE QUESTION

30 sec â€ĸ 2 pts

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The process of transmission of genes from parents to offspring is called.....

āϜāύāĻŋāϤ⧃ āĻĨ⧇āϕ⧇ āĻ…āĻĒāĻ¤ā§āϝ⧇ āϜāĻŋāύ āϏāĻžā§āϚāĻžāϰāϪ⧇āϰ āĻĒā§āϰāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϕ⧇ āĻŦāϞāĻž āĻšāϝāĻŧ .........

Genetics

Heredity

Evolution

Genesis

4.

MULTIPLE CHOICE QUESTION

30 sec â€ĸ 1 pt

āĻāĻ•āϟāĻŋ āĻ¸ā§āĻŦāĻžāĻ­āĻžāĻŦāĻŋāĻ• āĻŦāĻž āĻĒā§āϰāĻžāĻ•ā§ƒāϤāĻŋāĻ• āĻ…āĻ•ā§āϏāĻŋāύ āĻšāϞ⧋

IAA

NAA

2-4-D

NONE

5.

MULTIPLE CHOICE QUESTION

30 sec â€ĸ 1 pt

āĻŽāĻžāύāĻŦāĻĻ⧇āĻšā§‡ āĻ•ā§āϝāĻžāϞ⧋āϰāĻŋāĻœā§‡āύāĻŋāĻ• āĻšāϰāĻŽā§‹āύ āĻšāϞ⧋

āĻ…ā§āϝāĻžāĻĄā§āϰāĻŋāύāĻžāϞāĻŋāύ

āχāύāϏ⧁āϞāĻŋāύ

āϏ⧋āĻŽāĻžāĻŸā§‹ āĻŸā§āϰāĻĒāĻŋāĻ• āĻšāϰāĻŽā§‹āύ

āĻĨāĻžāχāϰāĻ•ā§āϏāĻŋāύ

6.

FILL IN THE BLANK QUESTION

1 min â€ĸ 1 pt

āĻĒāϰāĻŋāĻŖāϤ āĻ¸ā§āĻ¤ā§āϰ⧀ āĻĻ⧇āĻšā§‡āϰ āĻĄāĻŋāĻŽā§āĻŦāĻžāĻļāϝāĻŧ⧇āϰ āĻĒāĻŋāϤāĻ—ā§āϰāĻ¨ā§āĻĨā§€ āĻĨ⧇āϕ⧇ āĻ•ā§āώāϰāĻŋāϤ āĻšāϰāĻŽā§‹āύ āϟāĻŋāϰ āύāĻžāĻŽ āĻ•āĻŋ?

7.

MULTIPLE CHOICE QUESTION

30 sec â€ĸ 1 pt

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āϗ⧁āϰ⧁ āĻŽāĻ¸ā§āϤāĻŋāĻˇā§āϕ⧇āϰ āĻ—ā§‹āϞāĻžāĻ°ā§āϧ āĻĻā§āĻŦ⧟ āϕ⧇ āϝ⧁āĻ•ā§āϤ āĻ•āϰ⧇

āĻ•āϰāĻĒāĻžāϏ āĻ¸ā§āĻŸā§āϰāĻžā§Ÿā§‡āϟāĻžāĻŽ

āĻ•āϰāĻĒāĻžāϏ āϕ⧋āϝāĻŧāĻžāĻĄā§āϰāĻŋāĻœā§‡ āĻŽāĻŋāύāĻž

āĻ•āϰāĻĒāĻžāϏ āĻ•ā§āϝāĻžāϞ⧋āϏāĻžāĻŽ

āĻ­āĻžāϰāĻŽāĻŋāϏ

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