
WESTBENGAL SCIENCE TALENT SEARCH EXAMINATION ,OCT 2023
Authored by Soumitra Pramanik
Science
10th Grade
65 Questions
Used 1+ times

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1.
FILL IN THE BLANK QUESTION
30 sec âĸ 2 pts
How much of the sun's energy can plants use of the total energy that falls on them ?
āϏā§āϰ āĻļāĻā§āϤāĻŋāϰ āĻāϤāĻā§āĻā§ āĻ āĻāĻļ āĻāĻžāĻ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻāϰ⧠?
2.
MULTIPLE SELECT QUESTION
1 min âĸ 2 pts
Decomposers are important because (check all the correct answers)
āĻŦāĻŋāϝā§āĻāĻ āĻ āϤāĻŋ āĻā§āϰā§āϤā§āĻŦāĻĒā§āϰā§āĻŖ āĻāĻžāϰāĻŖ
They break down organic matter into inorganic form and help recycle it
āĻā§āĻŦ āĻŦāϏā§āϤā§āĻā§ āĻā§āĻā§ āĻ āĻā§āĻŦ āĻŦāϏā§āϤā§āϤ⧠āϰā§āĻĒāĻžāύā§āϤāϰāĻŋāϤ āĻāϰā§
They remove impurities from the soil
āĻŽāĻžāĻāĻŋāϰ āĻĨā§āĻā§ āĻ āĻŦāĻŋāĻļā§āĻĻā§āϧāĻŋ āĻĻāĻŋāϝāĻŧā§ āĻĻā§āϰ āĻāϰā§
They clean up the environment DECOMPOSING by dead organisms
āĻŽā§āϤ āĻ āύā§āĻā§āĻŦ āĻĻā§āĻŦāĻžāϰāĻž āĻŦāĻŋāϝāĻŧā§āĻāύā§āϰ āĻŽāĻžāϧā§āϝāĻŽā§ āĻĒāϰāĻŋāĻŦā§āĻļ āĻĒāϰāĻŋāώā§āĻāĻžāϰ āϰāĻžāĻ
They make fossil fuels.
āϤāĻžāϰāĻž āĻā§āĻŦāĻžāĻļā§āĻŽ āĻā§āĻŦāĻžāϞāĻžāύāĻŋ āĻā§āĻĒāύā§āύ āĻāϰā§
3.
MULTIPLE CHOICE QUESTION
30 sec âĸ 2 pts
The process of transmission of genes from parents to offspring is called.....
āĻāύāĻŋāϤ⧠āĻĨā§āĻā§ āĻ āĻĒāϤā§āϝ⧠āĻāĻŋāύ āϏāĻā§āĻāĻžāϰāĻŖā§āϰ āĻĒā§āϰāĻā§āϰāĻŋāϝāĻŧāĻžāĻā§ āĻŦāϞāĻž āĻšāϝāĻŧ .........
Genetics
Heredity
Evolution
Genesis
4.
MULTIPLE CHOICE QUESTION
30 sec âĸ 1 pt
āĻāĻāĻāĻŋ āϏā§āĻŦāĻžāĻāĻžāĻŦāĻŋāĻ āĻŦāĻž āĻĒā§āϰāĻžāĻā§āϤāĻŋāĻ āĻ āĻā§āϏāĻŋāύ āĻšāϞā§
IAA
NAA
2-4-D
NONE
5.
MULTIPLE CHOICE QUESTION
30 sec âĸ 1 pt
āĻŽāĻžāύāĻŦāĻĻā§āĻšā§ āĻā§āϝāĻžāϞā§āϰāĻŋāĻā§āύāĻŋāĻ āĻšāϰāĻŽā§āύ āĻšāϞā§
āĻ ā§āϝāĻžāĻĄā§āϰāĻŋāύāĻžāϞāĻŋāύ
āĻāύāϏā§āϞāĻŋāύ
āϏā§āĻŽāĻžāĻā§ āĻā§āϰāĻĒāĻŋāĻ āĻšāϰāĻŽā§āύ
āĻĨāĻžāĻāϰāĻā§āϏāĻŋāύ
6.
FILL IN THE BLANK QUESTION
1 min âĸ 1 pt
āĻĒāϰāĻŋāĻŖāϤ āϏā§āϤā§āϰ⧠āĻĻā§āĻšā§āϰ āĻĄāĻŋāĻŽā§āĻŦāĻžāĻļāϝāĻŧā§āϰ āĻĒāĻŋāϤāĻā§āϰāύā§āĻĨā§ āĻĨā§āĻā§ āĻā§āώāϰāĻŋāϤ āĻšāϰāĻŽā§āύ āĻāĻŋāϰ āύāĻžāĻŽ āĻāĻŋ?
7.
MULTIPLE CHOICE QUESTION
30 sec âĸ 1 pt
āĻā§āϰ⧠āĻŽāϏā§āϤāĻŋāώā§āĻā§āϰ āĻā§āϞāĻžāϰā§āϧ āĻĻā§āĻŦā§ āĻā§ āϝā§āĻā§āϤ āĻāϰā§
āĻāϰāĻĒāĻžāϏ āϏā§āĻā§āϰāĻžā§ā§āĻāĻžāĻŽ
āĻāϰāĻĒāĻžāϏ āĻā§āϝāĻŧāĻžāĻĄā§āϰāĻŋāĻā§ āĻŽāĻŋāύāĻž
āĻāϰāĻĒāĻžāϏ āĻā§āϝāĻžāϞā§āϏāĻžāĻŽ
āĻāĻžāϰāĻŽāĻŋāϏ
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