Page 340 - GMAT 2017b_Neatb

General Science Test

(C) glyceryl alcohol 40. Bacteria of decay help
(D) grain alcohol (A) deplete soil
(B) enrich soil
31. The air around us is composed mostly of (C) form oxygen
(A) carbon (D) form water
(B) nitrogen
(C) hydrogen 41. Of the following, the food that contains the largest
(D) oxygen amount of Vitamin C is
(A) carrots
32. The process that is responsible for the continuous (B) sweet potatoes
removal of carbon dioxide from the atmosphere is (C) lima beans
(A) respiration (D) tomatoes
(B) oxidation
(C) metabolism 42. The cyclotron is used to
(D) photosynthesis (A) measure radioactivity
(B) measure the speed of the earth’s rotation
33. Ringworm is caused by a(n) (C) split atoms
(A) algae (D) store radioactive energy
(B) fungus
(C) bacterium 43. The earth completes one trip around the sun
(D) protozoan approximately every
(A) 24 hours
34. Light passes through the crystalline lens in the eye and (B) 52 weeks
focuses on the (C) 7 days
(A) cornea (D) 30 days
(B) iris
(C) pupil 44. A person is more buoyant when swimming in salt
(D) retina water than in freshwater because
(A) he keeps his head out of salt water
35. Saliva contains an enzyme that acts on (B) salt coats his body with a floating membrane
(A) carbohydrates (C) saltwater has greater tensile strength
(B) proteins (D) saltwater weighs more than an equal volume of
(C) minerals freshwater
(D) vitamins
45. A volcanic eruption is caused by
36. The vitamin that helps coagulation of the blood is (A) sunspots
(A) C (B) pressure inside the earth
(B) E (C) nuclear fallout
(C) D (D) boiling lava
(D) K
46. The scientific name of an organism consists of its
37. Of the following, the part of a ship that gives it stability (A) family and class
by lowering the center of gravity is the (B) genus and species
(A) bulkhead (C) order and family
(B) keel (D) species and kingdom
(C) anchor
(D) prow
47. The energy in the storage battery of a car is
38. To reduce soil acidity, a farmer should use transformed from
(A) lime (A) chemical to electrical energy
(B) phosphate (B) electrical to mechanical energy
(C) manure (C) heat to mechanical energy
(D) peat moss (D) mechanical to electrical energy
39. Which of the following minerals is restored to the soil 48. A yardstick can usually be balanced by placing a
by plants of the pea and bean family? finger beneath the point marked
(A) Sulfates (A) 14 inches
(B) Carbonates (B) 16 inches
(C) Nitrates
(D) Phosphates
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