ETEA MDCAT Past Paper 2019

81- Opossum and koala bear belongs to sub-class:

A. Prototheria
B. Eutheria
C. Metatheria
D. Monotremata

Answer : C. Metatheria

82- The form of immunity which inherit from mother is?

A. active immunity
B. passive immunity
C. acquired immunity
D. innate immunity

Answer : B. passive immunity

83- The least toxic excretory product is?

A. ammonia
B. urea
C. uric acid
D. fatty acid

Answer : C. uric acid

84- Chemically hormones are:

A. proteins
B. Carbohydrates
C. Steroids
D. Both Proteins and Steroids

Answer : D. Both Proteins and Steroids

85- DNA polymerase III works always in:

A. 5′ – 2′ direction
B. 5′ – 3′ direction
C. 3′ – 5′ direction
D. 2′ – 5′ direction

Answer : B. 5' - 3' direction

86- The biogas plant is tank which is:

A. 5-10 ft deep
B. 10-15 ft deep
C. 15-20 ft deep
D. 20-25 ft deep

Answer : B. 10-15 ft deep

87- Which wave lengths are mainly absorbed by chlorophyll?

A. violet blue and red
B. green and blue
C. violet and orange
D. red and indigo

Answer : A. violet blue and red

88- For hepatitis B the incubation period is between:

A. 4 and 20 weeks
B. 6 and 20 weeks
C. 2-26 weeks
D. 2-6 weeks

Answer : C. 2-26 weeks

89- Look! A hamster ______ by cat

A. has been chased
B. was being chased
C. is being chased
D. is chased

Answer : C. is being chased

90- Choose the word opposite in meaning to “VOCIFEROUS”

A. Silent
B. Boisterous
C. Blatant
D. Noisy

Answer : A. Silent

91- Which contains more atoms?

A. 7 gram Mg
B. 8 gram Na
C. 9 gram Al
D. All same

Answer : D. All same

92- Which contains the highest percentage of nitrogen?

A. NO
B. NO₂
C. N₂O
D. N₂O₅

Answer : C. N₂O

93- Fe⁺² will form the most ionic bond with:

A. N⁻³
B. S⁻²
C. P⁻³
D. F⁻¹

Answer : D. F⁻¹

94- For exothermic reversible reaction activation energy for forward direction depends upon?

A. Nature of reactant
B. Temperature
C. Nature of product
D. Both Temperature and Nature of reactant

Answer : D. Both Temperature and Nature of reactant

95- As the polarizing power of cation increases thermal stability of carbonates:

A. Increases
B. Decreases
C. Not dependent
D. Depends upon pressure

Answer : A. Increases

96- Which one is more reactive?

A. Ester
B. Acid halide
C. Amide
D. Acid anhydride

Answer : B. Acid halide

97- If A . B = ½ AB then angle between A and B is?

A. Zero
B. 30
C. 60
D. 90

Answer : C. 60

98- A train is 200m long and is moving with uniform velocity of 36 km/h the time it will take to cross a bridge of 1 km is?

A. 50 sec
B. 60 sec
C. 100 sec
D. 120 sec

Answer : D. 120 sec

99- Choose the wrong statement, the escape velocity of a body from a planet depend upon:

A. The mass of a body
B. The mass of the planet
C. The average radius of the planet
D. The density of the planet

Answer : A. The mass of a body

100- In order to increase the stopping potential, there should be increase in:

A. Intensity of radiation
B. Wavelength
C. Frequency of radiation
D. Both wavelength and intensity

Answer : C. Frequency of radiation

Leave a Reply

Your email address will not be published. Required fields are marked *

Scroll to Top