ETEA MDCAT Past Paper 2019

61- The percentage of fresh water on earth is:

A. 1%
B. 3%
C. 5%
D. 7%

Answer : B. 3%

62- Recombinants contains DNA from:

A. 2 different sources
B. Single source
C. 2 same sources
D. 3 same sources

Answer : A. 2 different sources

63- The inner surface of a kidney has a deep notch called?

A. Renal pelvis
B. Hilus
C. Medulla
D. Pyramid

Answer : B. Hilus

64- _____ is considered as chief structural and functional unit of nervous system:

A. Cell
B. Neuron
C. Nephron
D. Brain

Answer : B. Neuron

65- The bacteriophage replicates only inside the?

A. animal cell
B. bacterial cell
C. fungal cell
D. animal and bacterial cell

Answer : B. bacterial cell

66- _____ is stored in animal cells?

A. starch
B. cellulose
C. sucrose
D. glycogen

Answer : D. glycogen

67- A bacterium which has a group of two or more flagella inserted at one pole of the cell?

A. monotrichous
B. peritrichous
C. lophotrichous
D. amphitrichous

Answer : C. lophotrichous

68- The gametophyte of lycopsida is mainly:

A. aerial
B. partly aerial and partly underground
C. underground
D. photosynthetic

Answer : C. underground

69- When I went back to my hometown three years ago, I found that a lot of changes ______.

A. Had taken place
B. have taken place
C. are taken place
D. were taken place

Answer : A. Had taken place

70- Choose the correct sentence:

A. He is clever but he lacks experiences
B. He is clever but he is lacking experience
C. He is clever but he is lack experience
D. He is clever but he is lacked experience

Answer : A. He is clever but he lacks experiences

71- Which of the following is not the major source of organic compound?

A. Natural gas
B. Petroleum
C. Coal
D. Ammoniacal Liquor

Answer : D. Ammoniacal Liquor

72- Which of the following concentration unit is temperature dependent?

A. Molarity
B. Mole Fraction
C. Molality
D. Both Molarity and Molality

Answer : A. Molarity

73- Tertiary alcohols are not oxidized into carbon compounds because:

A. They contain more alkyl group
B. They have no alpha-hydrogen
C. Suitable oxidizing agent is not available
D. None of the above

Answer : B. They have no alpha-hydrogen

74- Which one is more reactive?

A. HCHO
B. CH₃CHO
C. (CH₃)₂CO
D. Have equal reactivity

Answer : A. HCHO

75- Which compound shows the highest boiling point:

A. CH₃COOH
B. C₂H₅OH
C. C₂H₅OC₂H₅
D. (CH₃CH₂)₃N

Answer : A. CH₃COOH

76- Which of the following pollutant decolorize the skin?

A. Mercury
B. Arsenic
C. Lead
D. Cadmium

Answer : B. Arsenic

77- Car “X” is travelling at half the speed of car “Y” and mass of car “X” is twice as compared to the mass of car “Y”. Which of the following statement is correct:

A. Car “X” has half of the kinetic energy of car “Y”
B. Car “X” has one quarter of the K.E of car “Y”
C. Car “X” has twice the K.E of car “Y”
D. The two cars have the same KE

Answer : A. Car “X” has half of the kinetic energy of car “Y”

78- If the wavelength of a transverse is 2cm and the period is 2 seconds then the wave speed in CGS is?

A. 0.1 cm/s
B. 0.2 cm/s
C. 1 cm/s
D. 2 cm/s

Answer : C. 1 cm/s

79- A car battery has EMF of 12 volts and internal resistance 5x 10 ohm. If it draws 60 ampere current, then terminal voltage of the battery will be?

A. 5 volts
B. 3 volts
C. 15 volts
D. 9 volts

Answer : D. 9 volts

80- The cyclotron frequency of an electron projected with velocity V perpendicular to a magnetic field B is given by:

A. f = mB/πe
B. f = 2πeB/m
C. f = eB/2πm
D. f = 2πe/mB

Answer : C. f = eB/2πm

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