#Q20 Which one of the following interactions plays a major role in stabilizing B-DNA ?
Anonymous Quiz
51%
Hydrogen bond
29%
Hydrophobic interactions
16%
Van der Wall’s interactions
5%
Ionic interactions
🥰6❤4🎉2
#Q21 The maximum number of hydrogen bonds that can form between H2N - NH2 (hydrazine) and water is
Anonymous Quiz
30%
2
16%
1
23%
3
31%
4
❤7🥰3
#Q23 In a hydrogen bond of the type D-H...A, where D-H is a weakly acidic donor group and A is a lone-pair-bearing acceptor atom, the D...A distance is
Anonymous Quiz
23%
one-and-a-half times the sum of the van Der Waals radii.
32%
equal to the sum of the van Der Waals radii.
36%
less than the sum of the van Der Waals radii.
9%
twice the sum of the van Der Waals radii.
#Q24 On the molar scale which of the following interaction in a nonpolar environment provides the highest contribution to the bio-molecule?
Anonymous Quiz
15%
van der Walls interaction
30%
Hydrogen bonding
20%
Salt bridge
35%
Hydrophobic interaction
❤2👍2🎉1
#Q25 The free energy ∆G of a dissolved solute
Anonymous Quiz
28%
Increases with solute concentration.
36%
decreases with solute concentration
28%
is independent of solute concentration.
8%
depends only on temperature.
❤4🎉2👍1
#Q26 Which one of the following non-covalent interactions between two non-bonded atoms A and B is most sensitive to the distance between them ?
Anonymous Quiz
26%
A and B are permanent dipoles and are involved in hydrogen bonding.
38%
A and B are fully ionized and are involved in salt bridge formation.
28%
A and B are uncharged and repel each other.
8%
A and B are uncharged and attract each other.
❤5🎉2
#Q22 Out of the following hydrogen bonding schemes shown by ... which one corresponds to the weakest hydrogen bond in a given solvent condition ?
Anonymous Quiz
14%
O-H …O<
38%
N-H…H<
21%
O-H…N<
27%
N-H…N<
❤4👍3
#Q27 Equal volumes of pH 4.0 and pH 10.0 solutions are mixed. What will be the approximate pH of the final solution ?
Anonymous Quiz
40%
7.0
21%
5.0
29%
6.0
10%
4.0
#Q28 100 ml of 0.02 M acetic acid (pKa= 4.76) is titrated with 0.02 N KOH. After adding some base to the acid solution, the observed pH is 2.76. At this pH degree of protonation is
Anonymous Quiz
7%
0%
42%
10%
36%
90%
15%
99%
#Q29 100 ml of 0.1 M sodium acetate solution has a pH of 8.90. To this solution 1000 μl of 1M acetic acid (pKa = 4.76) of pH 2.80 is added. The pH of this mixture will be:
Anonymous Quiz
17%
8.90
37%
4.76
25%
2.80
21%
5.76
❤2
Dear friends! 👋
Today’s Mega Quiz will be held at 11:30 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
Each Question 1 Mark
Time : 1 minute for each question
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Today’s Mega Quiz will be held at 11:30 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
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Dear Friends! 👋
Today’s Mega Quiz will be held at 11:30 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
Each Question 1 Mark
Time : 1 minute for each question
No negative marking
Telegram Quiz Group: @ifasemotionbatch6
Get ready and see you! 🚀
Thanks ❤️
Today’s Mega Quiz will be held at 11:30 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
Each Question 1 Mark
Time : 1 minute for each question
No negative marking
Telegram Quiz Group: @ifasemotionbatch6
Get ready and see you! 🚀
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Dear friends! 👋
Today’s Mega Quiz will be held at 11:30 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
Each Question 1 Mark
Time : 1 minute for each question
No negative marking
Telegram Quiz Group: @ifasemotionbatch6
Get ready and see you! 🚀
Thanks ❤️
Today’s Mega Quiz will be held at 11:30 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
Each Question 1 Mark
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Dear Friends! 👋
Today’s Mega Quiz will be held at 11:30 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
Each Question 1 Mark
Time : 1 minute for each question
No negative marking
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Get ready and see you! 🚀
Thanks ❤️
Today’s Mega Quiz will be held at 11:30 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
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Dear Friends,
Join us today for the last lecture of Exam Mapping on Youtube!
In this exciting one-shot session, we'll cover some of the most crucial topics:
Biostatistics – Complete coverage with KC Sir
Immunology – Key concepts with Vishal Sir
General Aptitude – Important topics with Dinesh Sir
Don't miss this final opportunity to strengthen your preparation!
See you in the lecture! 🚀
Join us today for the last lecture of Exam Mapping on Youtube!
In this exciting one-shot session, we'll cover some of the most crucial topics:
Biostatistics – Complete coverage with KC Sir
Immunology – Key concepts with Vishal Sir
General Aptitude – Important topics with Dinesh Sir
Don't miss this final opportunity to strengthen your preparation!
See you in the lecture! 🚀
❤2
Dear friends! 👋
Today’s Mega Quiz will be held at 11:30 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
Each Question 1 Mark
Time : 1 minute for each question
No negative marking
Telegram Quiz Group: @ifasemotionbatch6
Get ready and see you! 🚀
Thanks ❤️
Today’s Mega Quiz will be held at 11:30 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
Each Question 1 Mark
Time : 1 minute for each question
No negative marking
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Get ready and see you! 🚀
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Dear Friends! 👋
Last Mega Quiz for CSIR NET Dec 2025 will be held Today at 12:00 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
Each Question 1 Mark
Time : 1 minute for each question
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Last Mega Quiz for CSIR NET Dec 2025 will be held Today at 12:00 🕐
Total 50 questions – Life Science - All 13 unit - Part B 🧬🔬
Each Question 1 Mark
Time : 1 minute for each question
No negative marking
Telegram Quiz Group: @ifasemotionbatch6
Get ready and see you! 🚀
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