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Which of the following compounds shows optical isomerism?
Anonymous Quiz
22%
[Co(CN)6]3-
57%
[Cr(C2O4)3]3-
13%
[ZnCl4]2-
7%
[Cu(NH3)4]2+
Which kind of isomerism is exhibited by octahedral Co(NH3)4Br2Cl?
Anonymous Quiz
29%
Geometrical and ionization
43%
Geometrical and optical
23%
Optical and ionization
5%
Geometrical only
Type of isomerism shown by [Cr(NH3)5NO2]Cl2 is:
Anonymous Quiz
16%
Optical
39%
Ionization
23%
Geometrical
22%
Linkage
Benzoylacetonato beryllium exhibits isomerism of the type:
Anonymous Quiz
14%
Structural
47%
Geometrical
25%
Optical
15%
Conformational
The number of disulphide linkages present in insulin are -
Anonymous Quiz
12%
1
48%
2
32%
3
8%
4
❤1
Which of the following describes the overall three dimensional folding of a polypeptide?
Anonymous Quiz
13%
Primary structure
34%
Secondary structure
41%
Tertiary structure
12%
Quarternary structure
🏆2
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The number of amino acids and number of peptide bonds in a linear tetrapeptide (made of different amino acids,) are respectively:
Anonymous Quiz
18%
4 and 4
41%
5 and 5
29%
5 and 4
12%
4 and 3
❤1
A compound with molecular mass 180 is acylated with CH3COCl to get a compound with molecular mass 390. The number of amino groups present per molecule of the former compound is:
Anonymous Quiz
19%
2
39%
5
32%
4
10%
6
❤3👍1
Alpha-helix is found in:
Anonymous Quiz
45%
DNA
27%
RNA
15%
Carbohydrates
13%
Proteins
❤2
Which of the following is a simplest amino acid?
Anonymous Quiz
45%
Glycine
28%
Alanine
14%
Leucine
13%
Valine
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Which of the following element is present in haemoglobin?
Anonymous Quiz
17%
Na
27%
Ca
51%
Fe
5%
Au
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❤4
Q1. Which of the following statements is correct?
(1) Evolutionary Biology studies aged rocks
(2) Stellar distances in light years (3) Origin of life is a unique event (4) Galaxies have planets & satellites
Anonymous Quiz
13%
1 & 4
35%
1 & 2
40%
2 & 3
12%
3 & 4
Q2. The Big Bang theory attempts to explain the origin of —
Anonymous Quiz
15%
Life
50%
Universe
13%
Water bodies
22%
All of the above
Q3. Who proved that life comes only from pre-existing life?
Anonymous Quiz
17%
Greek thinkers
59%
Louis Pasteur
22%
Miller
2%
Urey
❤2🤗1