Objective General Knowledge

Q. The enzyme that splits polysaccharides in the month is
1 Zymase
2 Invertase
3 Sucrose
4 Amylase
Ans: 2

Q. The entropy of the universe
1 tends towards maximum
2 tends towards zero
3 tends towards minimum
4 remains unchanged
Ans: 4

Q. The energy of the electron is taken as zero when it is
1 in its ground state
2 in the k-shell
3 in the orbit
4 far from the nucleus
Ans: 1

Q. The element first detected spectroscopically in the Sun's atmosphere is
1 O2
2 Ne
3 H2
4 He
Ans: 4

Q. The electron affinity for the inert gases is
1 Zero
2 High
3 Negative
4 Positive
Ans: 1

Q. The ejection of electrons when a metal surface is irradiated is called
1 Black body radiation
2 Photoelectric effect
3 Zeeman effect
4 Atomic spectrum
Ans: 2

Q. The difference between isotopes of an element is due to the presence of a different number of
1 Protons
2 Neutrons
3 Electrons
4 Photons
Ans: 2

Q. The development of the ultra microscope makes use of the
1 Edison effect
2 Tyndall effect
3 Brownian motion
4 Zeeman effect
Ans: 2

Q. The cyclotron is a device for
1 purifying metals
2 accelerating particles
3 separating oil from water
4 producing protons
Ans: 2

Q. The correct order of reactivity of the following alcohols is in the order
1 primary > secondary > tertiary
2 primary > tertiary > secondary
3 secondary > primary >tertiary
4 tertiary > secondary > primary
Ans: 4