The most suitable material for making the core of an electromagnet is :
Anonymous Quiz
14%
Still
54%
Iron
25%
Soft iron
8%
Hard iton
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Which of the following is not attracted by a magnet?
Anonymous Quiz
34%
Steel
19%
Cobalt
35%
Brass
12%
Nickel
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The amount of energy that flows from one trophic level to another in a food chain is
Anonymous Quiz
23%
5%
45%
10%
26%
25%
6%
39%
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Which of the following is responsible for the depletion of the ozone layer
Anonymous Quiz
24%
Cfcs
27%
Oxygen
38%
So2
11%
None
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Which of the following diseases is transmitted sexually
Anonymous Quiz
9%
Kala azar
65%
Syphilis
12%
Jaundice
14%
None
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Which of the following is a contraceptive?
Anonymous Quiz
17%
Copper t
25%
Diphgram
23%
Condom
35%
All
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AIDS is a deadly disease which is caused by
Anonymous Quiz
14%
Protozons
13%
Fungus
30%
Bacterium
42%
Virus
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The ratio of number of chromosomes in a human zygote and a human sperm is
Anonymous Quiz
41%
1:2
18%
1:6
34%
2:1
7%
6:4
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