1
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following structures or components is not always present in living cells?
A
Cell wall
B
Plasma membrane
C
Cytoplasm
D
Genetic material
2
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Browning of the chopped apple can be minimized by :
A
using table sugar.
B
preserving in a container.
C
using lemon juice.
D
using milk of magnesia.
3
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which of the hydrocarbons are arranged as per the increasing order of their boiling points?
A
Methane, Butane, Propane, Heptane
B
Propane, Butane, Pentane, Octane
C
Propane, Butane, Heptane, Methane
D
Octane, Ethane, Methane, Propane
4
NDA General Ability 16 April 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following apparatus is used for separating benzene and water mixture?
A
Round bottom flask
B
Conical flask
C
Separating funnel
D
Dean and Stark apparatus
EXAM MAP