101: Major difference between Varna and Jati, is that:
(a) Jatis are limited whereas Varnas are unlimited
(b) Jatis are only four whereas Varnas are many
(c) Varnas are only four whereas Jatis are many
(d) Jati is decided by birth but not Varna
102: Cryogenic engines find applications in
(a) sub-marine propulsion
(b) frost-free refrigerators
(c) rocket technology
(d) researches in superconductivity
103: Which of the following can be said as the 'Theory of Darwin'
(a) Survival of the fittest and struggle for existence
(b) Weak and strong always maintain a fixed proportion
(c) Different species do not arise by genetic mutation
(d) None of these
104: Which of the following statements is/are correct regarding National Innovation Foundation-India (NIF)?
1. NIF is an autonomous body of the Department of Science and Technology under the Central Government.
2. NIF is an initiative to strengthen the highly advanced scientific research in India's premier scientific institutions in collaboration with highly advanced foreign scientific institutions.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
105: What does Baudhayan theorem (Baudltayan Sulva sutra) relate to ?
(a) Lengths of sides of a right-angled triangle
(b) Calculation of the value of pi
(c) Logarithm calculations
(d) Normal distribution curve