Q: How does the epidermis renew its layer? Read this paragraph and choose the correct option from the provided answers: Choices: - loofah - scabbing - exfoliating scrub - shedding dead cells A:
shedding dead cells
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Q: In a mammal the front part of the brain is called the what? Read this paragraph and choose the correct option from the provided answers: Of all vertebrates, mammals have the biggest and most complex brain for their body size (see Figure below ). The front part of the brain, called the cerebrum , is especially large in mammals. This part of the brain controls functions such as memory and learning. Choices: - cerebellum - thallus - brain stem - cerebrum A:
cerebrum
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Q: What results when a force does work? Read this paragraph and choose the correct option from the provided answers: work: A force is said to do work when it acts on a body so that there is a displacement of the point of application, however small, in the direction of the force. Thus a force does work when it results in movement. The work done by a constant force of magnitude on a point that moves a distance in the direction of the force is the product, . Choices: - side effect - momentum - pressure - movement A:
movement
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Q: Catalysts can greatly increase the rates of chemical what? Read this paragraph and choose the correct option from the provided answers: and procaine. Not only do catalysts greatly increase the rates of reactions, but in some cases such as in petroleum refining, they also control which products are formed. The acceleration of a reaction by a catalyst is called catalysis. Choices: - photosynthesis - decay - effects - reactions A:
reactions
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