1
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
A particle is moving in a circle of radius R with a constant speed v. Its average acceleration over the time when it moves over half the circle is :
A
$\frac{v^2}{R} $
B
$\frac{\pi v^2}{2R}$
C
$\frac{2v^2}{\pi R}$
D
0
2
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Two forces of 5⋅0 N each are acting on a point mass. If the angle between the forces is 60°, then the net force acting on the point mass has magnitude close to :
A
8⋅6 N
B
4⋅3 N
C
50 N
D
6⋅7 N
3
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Who among the following is not a recipient of Nobel Prize in Chemistry in 2022?
A
Carolyn R. Bertozzi
B
Benjamin List
C
Morten Meldal
D
K. Barry Sharpless
4
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language

Consider the following statements regarding cell wall composition :

1. Bacterial cell wall is made of peptidoglycan.

2. Fungal cell wall is made of cellulose.

3. Animals lack cell wall and have extracellular matrix made up of sugar and proteins.

Select the correct answer using the code given below:

A
2 only
B
1 and 2 only
C
1 and 3 only
D
1, 2 and 3
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