SST Past Paper SPSC Science Category 2024 – Morning/Evening

If A, B, and C are any three sets, then A × (B ∪ C) is equal to?

1. (A×B) ∪ (A×C)
2. (A∪B) × (A∪C)
3. (A×B) ∪ (A×C)
4. None

Sin(n+a) = ______?

1. cosa
2. -cosa
3. -sina
4. sina

If * is a binary operation in A then?

1. A is closed under *
2. A is not closed under *
3. A is not dosed under +
4. A is closed under –

If tanθ < θ, sin <0, then the terminal arm of the angle lies in the quadrant?

1. 1
2. 2
3. 3
4. 4

f(x) = sin(x) is?

1. Linear function
2. Quadratic function
3. Odd function
4. Even function

Hall voltage is directly proportional to?

1. Current
2. Field
3. Magnetic flux density
4. All of above

A relation in which the equality is true only for a number of unknowns is called an?

1. Identity
2. Equation
3. Algebric equation
4. Algebric relation

The molecules of CO2, in dry ice form?

1. Ionic crystal
2. Covalent crystal
3. Molecular crystal
4. Any type of crystal

The removal of 7th electron from an element of Group VI of the periodic table needs three times more energy than?

1. 3rd electron
2. 6th electron
3. 8th electron
4. 18th electron

Industrial materials thermal power stations are coated with___?

1. Polyester resins
2. Epoxy paints
3. Polyamide resins
4. Polyvinyl chloride