SST Past Paper SPSC Science Category 2024 – Morning/Evening

To a combined fraction into its parts is called?

1. Rational fraction
2. Partial fraction
3. Combined fraction
4. None

If the connections across the resistor are reversed, then graph between current and potential difference is?

1. Inverted
2. Variable
3. Straight lined
4. Constant

As compared to sound waves, the frequency of radio waves is?

1. Equal
2. May be higher or lower
3. Lower
4. Higher

Ions have have noble gas electronic configuration’ was suggested by?

1. Kossel
2. Lewis
3. Newton
4. Russell

Kinetic friction is always?

1. Lesser than static friction
2. Greater than static friction
3. Equal to static friction
4. Equal to contact force

Which one is true about isotope?

1. Same number of neutrons
2. Same mass number
3. Same physical properties
4. Same chemical properties

The taste of lemon is due to the presence of?

1. Citric acid
2. Acetic acid
3. Ethanoic acid
4. Benzoic acid

The removal of electrons one by one from an atom by a specific sequence of ionization energies are termed as?

1. Successive ionization energies
2. Successive ionization changes
3. Successive ionization replacement
4. Ionization

Decrease in strength of signal is known as?

1. Tuning
2. Modulation
3. Attenuation
4. Amplification

Digital number 9 can be represented in binary number as?

1. 110
2. 1001
3. 1010
4. 1011