EST FGEI Solved Paper

23. The part of the human brain that detects temperature changes in the blood is:

(A) Hypothalamus
(B) Cerebrum
(C) Medulla Oblongata
(D) Cerebellum

24. Which vitamin is essential for blood clotting?
(A) Vitamin A
(B) Vitamin C
(C) Vitamin K
(D) Vitamin D

25. In a face-centered cubic (FCC) unit cell, the number of atoms per unit cell is:
(A) 1
(B) 2
(C) 4
(D) 8

26. The main cause of acid rain is:
(A) Sulfur dioxide
(B) Methane
(C) Carbon dioxide
(D) Nitrogen

27. The gas responsible for fermentation is:
(A) Oxygen
(B) Nitrogen
(C) Helium
(D) Carbon dioxide

28. Which unit is used for measuring electricity?
(A) Kilowatt hour
(B) Calorie
(C) Joule
(D) Dyne

29. The radio-isotope of carbon used to determine the age of rocks is:
(A) C 6
(B) C 12
(C) C 13
(D) C 14

30. The type of radiation with the highest energy is:
(A) Alpha radiation
(B) Beta radiation
(C) Gamma radiation
(D) X-ray radiation

31. The rearview mirror of a motor vehicle is:
(A) Concave
(B) Plane
(C) Biconcave
(D) Convex

32. Which property of light does not change during refraction?
(A) Frequency
(B) Wavelength
(C) Direction
(D) Speed

33. A linear equation in two variables always represents a:
(A) Straight line
(B) Triangle
(C) Quadrilateral
(D) Curve

34. The points (5,2), (7,0), (1,-2), and (-1,0) are the vertices of a:
(A) Parallelogram
(B) Square
(C) Trapezium
(D) Kite

35. The point (3,5) is at a minimum distance from:
(A) X-axis
(B) Y-axis
(C) Origin
(D) Both A and B

36. The probability of getting ‘M’ in “MUHAMMAD” is:
(A) 1/8
(B) 3/8
(C) 3/5
(D) 2/5

37. The next two terms in the sequence 1, 8, 27, …….. are:
(A) 64, 216
(B) 216, 64
(C) 64, 125
(D) 125, 64

38. A rectangle has a perimeter of 50 cm, and its length is 15 cm. What is its breadth?
(A) 10 cm
(B) 12 cm
(C) 8 cm
(D) 7 cm

39. The logarithm of unity to any base is:
(A) 1
(B) 10
(C) 09
(D) 0

40. The sum of two numbers is 50, and their ratio is 3:2. What is the smaller number?
(A) 20
(B) 30
(C) 25
(D) 15

41. Simplify: 18 – 6 ÷ 2 + 4 × 3
(A) 24
(B) 26
(C) 22
(D) 27

42. The 2nd and 3rd are roots of:
(A) (x – 2)(x + 3) = 0
(B) (x – 3)(x – 4) = 0
(C) (x + 2)(x + 3) = 0
(D) (x – 2)(x – 3) = 0