MCAT Practice Test
Q. 21. Fly-traps in two pitcher plants ‘sundew and venus’ are similar in that they both
- Are saprophyte
- Trap insects
- Are symbiotic
- Lack chlorophyll
Q. 22. Which of following is mostly likely the result of large scale of destruction of forests?
- Increase in air humidity
- Decrease in floods
- Increase in soil erosion
- Decrease in carbon dioxide
Q. 23. The amount of lactic acid, in muscles, rises when they start lacking:
- Carbon dioxide
- Oxygen
- Glucose
- Hydrogen carbonate
Q. 24. The enzymes in pancreatic juice digest:
- Carbohydrates and proteins only
- Carbohydrates and proteins only
- Fats and proteins only
- Carbohydrates, Proteins and Fats
Q. 25. Which of the following addictive drug is, sometimes, injected for relief from a severe pain?
- Heroin
- Alcohol
- Aspirin
- Nicotine
Q. 26. The bacterial cells and virus particle, both have:
- A cell membrane
- Nuclear material
- A cell wall
- A slime layer
Q. 27. The percentage of arthropods in total animal kingdom is:
- 85 %
- 45 %
- 75 %
- 60 %
Q. 28. Uric-acid is a major nitrogenous waste-matter that is formed by:
- Earthworm
- Grasshopper
- Planaria
- Man
Q. 29. The center that controls breathing, constriction and dilation of blood vessels; and heart-beating is located in:
- Cerebellum
- Pons
- Medulla oblongata
- Hypothalamus
Q. 30. Which one of the following fungi is poisonous?
- Morchella
- Amanita
- Agaricus
- Rhizopus
PHYSICS
Q. 31. The pages of the look are visible to us because they:
- Absorb light
- Emit light
- Reflect light
- Refract light
Q. 32. If a person throws a stone vertically upwards while sitting in a train moving with constant velocity, the stone will fall:
- In his hand
- Behind him
- In front of him
- Outside the train
Q. 33. A neutral body is rubbed and its charge becomes positive. It must have:
- Gained protons
- Gained neutrons
- Gained electrons
- Lost electrons
Q. 34. Angular momentum is defined as:
- The dot product of position vector and linear momentum
- The cross product of position vector and linear momentum
- The simple product of position vector and linear momentum
- The product of distance and linear momentum
Q. 35. A charged particle is placed in an electrical field E. If the charge on the particle is doubled, the force exerted on the particle by the field is:
- Doubled
- Halved
- Quadrupled
- Unchanged
Q. 36. What is the wavelength of the light in millimeter?
- 5.4 x 10-3
- 5.4 x 10-5
- 5.4 x 10-4
- 5.4 x 10-10
Q. 37. Elephants have large flat feet. It helps them, having heavy weight, in walking properly on ground and maintaining proper body posture by
- Reducing ground friction on their feet
- Reducing their pressure on ground
- Increasing feet penetration into ground
- None of the above
Q. 38. The second law of thermodynamic states that:
- 100% conversion of mechanical work into heat is not possible
- 100% efficient heat engine is not possible
- 100% conversion of heat into mechanical work is not possible
- None of these
Q. 39. The change in temperature of “20oC” is equivalent to change in temperature on Kelvin scale of:
- 0.9 K
- 20 K
- 11 K
- 6.7 K
Q. 40. The force restraining an object’s motion on an inclined plane:
- Is directed into the plane
- May be friction
- Is directed to sideways
- Is always friction
Q. 41. A person, standing in an elevator which goes up with constant upward acceleration, exerts a push on the floor of elevator whose value:
- Is always equal to his weight
- Is always lesser than his weight
- Is always greater than his weight
- Is greater when his acceleration is than ‘g’
Q. 42. The magnetic field is produced by:
- Moving protons
- Stationary protons
- Stationary electrons
- Moving electrons
Q. 43. Slight gaps are intentionally left between blocks of a building for:
- To drain water accumulated on the roof
- To avoid cracks due to temperature impacts
- To allow light to internal of room
- None of them