21.
In the IUPAC name of a compound, the _______indicates the total number of carbon atoms present in the longest carbon chain belonging to the compound.
(A)
Infix
(B)
Suffix
(C)
Root
(D)
Prefix
22.
Which of the following is NOT an agro-based industry?
(A)
Jute
(B)
Fertiliser
(C)
Sugar
(D)
Edible oil
23.
The tendency of an atom or a functional group to attract a shared pair of electrons toward itself, is known as:
(A)
electronegativity
(B)
electron affinity
(C)
electro-positivity
(D)
electro attraction
24.
What are bases that are soluble in water called?
(A)
Alkenes
(B)
Acids
(C)
Alkalis
(D)
Alkanes
25.
Which of the following depicts the Modern Periodic Table?
(A)
c
(B)
d
(C)
a
(D)
b
26.
Which of the following forces can only be applied when in contact with an object?
(A)
Frictional force
(B)
Gravitational force
(C)
Electrostatic force
(D)
Magnetic force
27.
Identify the organelle present in plant cell that is not there in an animal cell.
(A)
Nucleus
(B)
Plastids
(C)
Neuron
(D)
Cytoplasm
28.
What is the fourth step in mitosis where non-kinetochore spindle fibres lengthen and elongate the cell?
(A)
Telophase
(B)
Metaphase
(C)
Anaphase
(D)
Prophase
29.
According to Airports Authority of India, what is the total number of International airports in India as on 2022?
(A)
17
(B)
14
(C)
13
(D)
16
30.
Which is an integral membrane protein that forms the tetramer and facilitates the diffusion of water and some small, unmodified solutes across cellular membranes?
