Reductic acid contains 52.63% carbon, 5.30% hydrogen and 42.07% oxygen. Its empirical formula is the same as its molecular formula. What is the number of carbon atoms in a molecule of this acid?
Anonymous Quiz
20%
4
36%
5
29%
6
15%
8
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Statement I : Functional group in picric acid is -COOH group
Statement II: In phenol- OH group is a ortho, para directing group and ring activating group
Statement II: In phenol- OH group is a ortho, para directing group and ring activating group
Anonymous Quiz
28%
Statement I and II are correct
31%
Statement I and II are Incorrect
22%
Statement –I is true, statement-II is false
18%
Statement –I is false, statement-II is true
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Number of Pi bonds in phenyl benzoate are ‘X’. Number of lone pairs in phenyl benzoate are ‘Y’ .Correct relation is
Anonymous Quiz
35%
X+Y=11
34%
2X+Y=11
26%
X+2Y=11
5%
X-Y=11
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The base-emitter junctions of a transistor is
Anonymous Quiz
26%
a wide depletion layer
44%
Low resistance
26%
a reverse bias
4%
None
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Some Important Fungi:
Yeast- used in fermentation to make cheese, bread, beer
Penicillium- antibiotics source
Puccinia- causes wheat rust
Ustilago- causes smut disease
Symbionts- Lichens (symbiotic association of fungi with algae), Mycorrhiza (symbiotic association of fungi with roots of green plants)
Rhizopus- the bread mould
Albugo- the parasitic fungi on mustard
Neurospora- extensively used in genetic and biochemical work
Truffles and Morels- edible and are considered a delicacy
Agaricus- edible as well as poisonous species
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Yeast- used in fermentation to make cheese, bread, beer
Penicillium- antibiotics source
Puccinia- causes wheat rust
Ustilago- causes smut disease
Symbionts- Lichens (symbiotic association of fungi with algae), Mycorrhiza (symbiotic association of fungi with roots of green plants)
Rhizopus- the bread mould
Albugo- the parasitic fungi on mustard
Neurospora- extensively used in genetic and biochemical work
Truffles and Morels- edible and are considered a delicacy
Agaricus- edible as well as poisonous species
©️Join For Premium Materials :-
t.me/addlist/jE5XV-Qe8MAyMWJl
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What is the collector current when the base resistor is open?
Anonymous Quiz
18%
1 mA
28%
2 mA
46%
0
8%
10 mA
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Will a transistor act as a closed switch by defining the requisite magnitude of saturation level with an equivalent amount of
Anonymous Quiz
32%
negative control voltage
40%
both negative & positive control voltages
22%
positive control voltage
5%
none of the above
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Number of Pi bonds in phenyl benzoate are ‘X’. Number of lone pairs in phenyl benzoate are ‘Y’ .Correct relation is
Anonymous Quiz
36%
X+Y=11
36%
2X+Y=11
21%
X+2Y=11
7%
X-Y=11
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For a given gas at same temperature
f1 = fraction of molecules having most probable velocity f2 = fraction of molecules having most probable velocity f3 = fraction of molecules having most probable velocity Then the correct relation between them is
f1 = fraction of molecules having most probable velocity f2 = fraction of molecules having most probable velocity f3 = fraction of molecules having most probable velocity Then the correct relation between them is
Anonymous Quiz
39%
f1 > f2 > f3
22%
f3 > f2 > f1
21%
f1 > f3 > f2
18%
f1 = f2 = f3
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Assertion (A) : Helium obeys gas laws at all temperatures and pressures
Reason (R) : For Helium compressibility factor (Z) < 1 at all temperature and pressures
Reason (R) : For Helium compressibility factor (Z) < 1 at all temperature and pressures
Anonymous Quiz
36%
Both A and R are true and R explains A
39%
Both A and R are true but R doesn’t explain A
9%
Both A and R are false
15%
A is true but R is false
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Albuminous seeds store their reserve food mainly in (Karnataka NEET 2013)
Anonymous Quiz
60%
Endosperm
23%
Cotyledons
11%
Hypocotyl
5%
Perisperm
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In water hyacinth and water lily, pollination takes place by (NEET 2020)
Anonymous Quiz
37%
insects or wind
25%
water currents only
26%
wind and water
12%
insects and water
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Nickel (Ni) has atomic number 28. The correct electronic configuration is?
Anonymous Quiz
19%
1s² 2s² 2p⁴ 3s² 3p⁸ 3d¹⁰
12%
1s² 2s² 3s² 3p⁸ 3d¹⁰
63%
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁸ 4s2
6%
1s² 2s² 2p⁴ 3s² 3p⁶ 4s²
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