The total number of Amino Acids insulin is:
a) 50
b) 51
c) 52
d) 53
Explanation: 51 amino acids are present in insulin. Insulin is made from two polypeptide chains named subunit A and B.
Subunit A consists of 21 amino acids, whereas subunit B consists of 30 amino acids. These chains are connected by two disulfide bridges.
The sum of first 10 natural numbers is:
a) 50
b) 45
c) 40
d) 55
Explanation: Natural numbers start from 1. So, 1+2+3+4+5+6+7+8+9+10 = 55
The sum of the square of two natural consecutive odd numbers is 394. The sum of the number is:
a) 24
b) 22
c) 40
d) 28
Explanation: let the first odd number is x and second will be x+2
Given: x2 + (x + 2)2 = 394
= x2 + x2 + 4 + 4x = 394
= 2x2 + 4x = 394 – 4
= 2x2 + 4x = 390
= x2 + 2x – 195 = 0
= x2 + 15x – 13x – 195 = 0
= x(x + 15) -13(x + 15) = 0
= (x + 15) ( x – 13 ) = 0
= x = 13 and x = -15 (x cannot be –ive)
therefore: first number is 13 and second is 15
Proof: (13)2 + (15)2
= 394
13 + 15 = 28 answer
What causes different climates?
a) Weather
b) Temperature
c) Heat
d) Storm
Nepal and_________are both landlocked countries.
a) Pakistan
b) India
c) Germany
d) Bhutan
Which of the following expectation students have from group learning?
a) To get appreciation from the group
b) To distribute the work equally
c) To ignore the individual view point
d) To attract isolated student towards group
