1
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Buckminster fullerene, which looks like a football, is an allotropic form of
A
Phosphorus
B
Sulfur
C
Carbon
D
Tin
2
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following graphs correctly represents the current (I) - voltage (V) variation for a rectangular piece of a semiconductor wafer?
A
NDA General Ability 3 September 2023 General Science - Physics Question 70 English Option 1
B
NDA General Ability 3 September 2023 General Science - Physics Question 70 English Option 2
C
NDA General Ability 3 September 2023 General Science - Physics Question 70 English Option 3
D
NDA General Ability 3 September 2023 General Science - Physics Question 70 English Option 4
3
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
The green plants in a terrestrial eco-system absorbs sunlight that falls on their leaves and convert it into food energy. The percentage of solar radiation absorbed by all green plants for the process of photosynthesis is about 
A
1%
B
5%
C
8%
D
10%
4
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language

Consider the following reaction:

Fe2O3(s) + 2Al(s) → 2Fe(s) + Al2O3(s)

Which of the following statements about the given reaction is NOT correct?

A
It is an example of displacement reaction
B
It is highly endothermic reaction
C
Fe2O3 acts as oxidizing agent
D
This reaction is applicable to joining of railway tracks
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