4376: Consider the following:
1. Hotels and restaurants
2. Motor transport undertakings
3. Newspaper establishments
4. Private medical institutions
The employees of which of the above can have the 'Social Security' coverage under Employees' State Insurance Scheme?
(a) 1, 2 and 3 only
(b) 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
4377: The Muslims march seven times round the Kaaba as path of their Haj pilgrimage in the city of:
(a) Riyadh
(b) Mecca
(c) Rabat
(d) Jeddah
4378: Which of the following has the highest calories per gram?
(a) Proteins
(b) Fats
(c) Sugar
(d) Glucose
4379: Gypsum is added to cement clinker to
(a) Increase the tensile strength of the cement
(b) Bind the particles of calcium silicate
(c) Decrease the rate of setting of cement
(d) Facilitate the formation of colloidal gel
4380: Assertion (A):
Scientists can cut apart and paste together DNA molecules at will, regardless of the source of the molecules.
Reason (R):
DNA fragments can be manipulated using restriction endonucleases and DNA ligases.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT a correct explanation of A
(c) A is true but R is false
(d) A is fasle but R is true