Scholastic Aptitude Test (SAT) Gujarat-2017 Part – 4

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Q: 39. Which of the following shows the Tyndall effect?

(A) Solution of common salt

(B) Milk

(C) Lemon Juice

(D) Solution of copper sulphate

Q: 40. The PH-Value of bite of honey-base is ----

(A) 7

(B) More than 7

(C) Less than 7

(D) of any value

Q: 41. To prepare 100 ml, 2M, solution, ___ gram of NaOH will be required.

(A) 40gm

(B) 8gm

(C) 16gm

(D) 24gm

Q: 42. What is the ratio of iron, chromium and nickel in stainless steel?

(A) 7:2:1

(B) 7:1:2

(C) 7:3:1

(D) 1:2:7

Q: 43. Which metal is mixed with gold to prepare its ornaments?

(A) Platinum

(B) Nickel

(C) Copper or Silver

(D) Zinc

Q: 44. The full form of PABA is:

(A) Para Amino Boric Acid

(B) Potassium Amino Basic Acid

(C) Para Amino Benzoic Acid

(D) Para Amino Benzoic Acetate

Q: 45. Where ammonia is not used?

(A) Nylon fibers

(B) Fertilizers

(C) Explosives

(D) Welding

Q: 46. What is the chemical formula of oleum?

(A)

(B)

(C)

(D)

Q: 47. Give the name of scientist DNA molecules.

(A) Robert Brown

(B) Robert Hook

(C) Leuvan Hook

(D) Watson and crick

Q: 48. Which of the plant tissue shows the pectin deposition on cell wall?

(A) Collenchyma

(B) Parenchyma

(C) Sclerenchyma

(D) Chlorenchyma

Q: 49. Which disease is spread through influenza virus

(A) Dengue

(B) Chikungunya

(C) AIDS

(D) Swine-flue

Q: 50. Binomial nomenclature was given by the scientist:

(A) Robert whittaker

(B) Carolus Linnaeus

(C) Carl Woese

(D) Ernst Haeckal

Q: 51. Which special structures are connected with wall of the lungs in class Avers ?

(A) Air Sac

(B) Diaphragm

(C) Spongy Bones

(D) Book lungs

Q: 52. Identify the protochordate Animals.

(A) Shark

(B) Frog

(C) Balanoglossus

(D) Rohu

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