ETEA MDCAT Past Paper 2019 81- Opossum and koala bear belongs to sub-class: A. PrototheriaB. EutheriaC. MetatheriaD. Monotremata View Answer Answer : C. Metatheria Description 82- The form of immunity which inherit from mother is? A. active immunityB. passive immunityC. acquired immunityD. innate immunity View Answer Answer : B. passive immunity Description 83- The least toxic excretory product is? A. ammoniaB. ureaC. uric acidD. fatty acid View Answer Answer : C. uric acid Description 84- Chemically hormones are: A. proteinsB. CarbohydratesC. SteroidsD. Both Proteins and Steroids View Answer Answer : D. Both Proteins and Steroids Description 85- DNA polymerase III works always in: A. 5′ – 2′ directionB. 5′ – 3′ directionC. 3′ – 5′ directionD. 2′ – 5′ direction View Answer Answer : B. 5' - 3' direction Description 86- The biogas plant is tank which is: A. 5-10 ft deepB. 10-15 ft deepC. 15-20 ft deepD. 20-25 ft deep View Answer Answer : B. 10-15 ft deep Description 87- Which wave lengths are mainly absorbed by chlorophyll? A. violet blue and redB. green and blueC. violet and orangeD. red and indigo View Answer Answer : A. violet blue and red Description 88- For hepatitis B the incubation period is between: A. 4 and 20 weeksB. 6 and 20 weeksC. 2-26 weeksD. 2-6 weeks View Answer Answer : C. 2-26 weeks Description 89- Look! A hamster ______ by cat A. has been chasedB. was being chasedC. is being chasedD. is chased View Answer Answer : C. is being chased Description 90- Choose the word opposite in meaning to “VOCIFEROUS” A. SilentB. BoisterousC. BlatantD. Noisy View Answer Answer : A. Silent Description 91- Which contains more atoms? A. 7 gram MgB. 8 gram NaC. 9 gram AlD. All same View Answer Answer : D. All same Description 92- Which contains the highest percentage of nitrogen? A. NOB. NO₂C. N₂OD. N₂O₅ View Answer Answer : C. N₂O Description 93- Fe⁺² will form the most ionic bond with: A. N⁻³B. S⁻²C. P⁻³D. F⁻¹ View Answer Answer : D. F⁻¹ Description 94- For exothermic reversible reaction activation energy for forward direction depends upon? A. Nature of reactantB. TemperatureC. Nature of productD. Both Temperature and Nature of reactant View Answer Answer : D. Both Temperature and Nature of reactant Description 95- As the polarizing power of cation increases thermal stability of carbonates: A. IncreasesB. DecreasesC. Not dependentD. Depends upon pressure View Answer Answer : A. Increases Description 96- Which one is more reactive? A. EsterB. Acid halideC. AmideD. Acid anhydride View Answer Answer : B. Acid halide Description 97- If A . B = ½ AB then angle between A and B is? A. ZeroB. 30C. 60D. 90 View Answer Answer : C. 60 Description 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 secB. 60 secC. 100 secD. 120 sec View Answer Answer : D. 120 sec Description 99- Choose the wrong statement, the escape velocity of a body from a planet depend upon: A. The mass of a bodyB. The mass of the planetC. The average radius of the planetD. The density of the planet View Answer Answer : A. The mass of a body Description 100- In order to increase the stopping potential, there should be increase in: A. Intensity of radiationB. WavelengthC. Frequency of radiationD. Both wavelength and intensity View Answer Answer : C. Frequency of radiation Description 1 2 3 4 5 6 7 8 9 10