Protonema stage develops from:
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25%
Lateral bud
47%
Directly from a spore
22%
Secondary protonema
6%
Sporophytes
Which one of the following dissolve in hot concentrated NaOH solution
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22%
Fe
40%
Zn
24%
Cu
14%
Ag
According to Werner's theory
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64%
Primary valency can be ionized
15%
Secondary valency can be ionized
15%
Primary and secondary valencies both cannot be ionized
6%
Only primary valency cannot be ionized
Ziegler-Natta catalyst is an organometallic compound of which metal
Anonymous Quiz
9%
Iron
21%
Zirconium
23%
Rhodium
47%
Titanium
Sodium thiosulphate is used in photography because of its
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24%
Reducing behaviour
29%
Oxidising behaviour
32%
Complex forming behaviour
15%
Reaction with light
What is the spin-only magnetic moment value (BM) of a divalent metal ion with atomic
number 25, in it's aqueous solution
number 25, in it's aqueous solution
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68%
5.92
11%
5.0
11%
Zero
10%
5.26
Which one of the following is NOT associated with blood coagulation?
Anonymous Quiz
2%
Thrombin
5%
Fibrinogen
6%
Calcium
87%
Bilirubin
Semilunar valves that guard the
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62%
pulmonary artery and aorta
13%
vena cava and aorta
9%
hepatic vein and pulmonary artery
16%
pulmonary artery and vena cava
Which of the following hormone should a farmer use to spray on sugarcane crops to increase the length of sugarcane stem?
Anonymous Quiz
87%
Gibberellins
6%
Auxins
5%
Cytokinin
1%
Abscisic acid
In plants synthesis of auxins occurs in
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6%
conducting tissues
89%
root and shoot tips
2%
only phloem cells
4%
only xylem cells
Over ripening of banana due to excessive O2 availability is called as respiratory climactic. It is associated with
Anonymous Quiz
3%
auxin
8%
cytokinin
84%
ethylene
4%
gibberellin
The excess of copper and iron are removed by chelating ligands
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4%
disferrioxime-B
9%
D-penicillamine
49%
disferrioxime -B and D-penicillamine respectively
38%
D-penicillamine and disferrioxime – B
Which is the metal present in the coordination compound chlorophyll?
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4%
Ca
90%
Mg
5%
K
1%
Na
The secondary valency of platinum in tetrammine dichloroplatinum (IV) chloride is
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25%
+ 4
26%
+ 2
5%
3
45%
6
The number of σ and π bonds present in pent-4- ene-1-yne is
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78%
10, 3
12%
3, 10
6%
4, 9
4%
9, 4
Application of GA on grape stalk leads to
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86%
increase in length of grape stalk.
4%
shortening of length of grape stalk.
8%
early ripening of grape stalk.
2%
early abscission of grape stalk.
Thylakoids of different grana are connected by
Anonymous Quiz
2%
mesosomes
4%
matrix
92%
stroma lamellae
2%
cristae
Identify the R group in amino acid serine.
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23%
Methyl
8%
Carboxyl
7%
Hydrogen
62%
Hydroxymethyl