Answer the following question given this paragraph: Next, light passes through the pupil. The pupil is a black opening in the eye that lets light enter the eye. Q: What is the name of the black opening in the eye that lets light enter? Choices: - iris - cornea - inlet - pupil A:
pupil
(Question)
Answer the following question given this paragraph: Plants are somewhat limited by temperature in terms of where they can grow. They need temperatures above freezing while they are actively growing. They also need light, carbon dioxide, and water. These substances are required for photosynthesis. Like most other living things, plants need oxygen. Oxygen is required for cellular respiration. In addition, plants need minerals. The minerals are required to make proteins and other organic molecules. Q: Photosynthesis requires light, water and what else? Choices: - seasons - nitrogen - soil - carbon dioxide A:
(Answer)
carbon dioxide
Ques: Answer the following question given this paragraph: Not all wetlands are alike, as you can see from Figure below . Wetlands vary in how wet they are and how much of the year they are soaked. Wetlands also vary in the kinds of plants that live in them. This depends mostly on the climate where the wetland is found. Types of wetlands include marshes, swamps, and bogs. Q: Marshes, swamps, and bogs are types of what? Choices: - grasslands - rivers - ponds - wetlands A:
Ans: wetlands
(Q).
Answer the following question given this paragraph: When a blood vessel gets clogged, there is no medical equivalent of "Drano" that will clear it out. There is, however, a procedure known as angioplasty. A thin tube with a balloon is threaded through the blood vessels. Once in place, the balloon is inflated to compress the clog against the artery wall. Q: The procedure known as angioplasty is used when what part of the circulatory system is clogged? Choices: - lungs - the heart - the spinal cord - blood vessel A:
(A).
blood vessel
Ques:Answer the following question given this paragraph: A unit cell is the smallest portion of a crystal lattice that shows the three-dimensional pattern of the entire crystal. A crystal can be thought of as the same unit cell repeated over and over in three dimensions. The Figure below illustrates the relationship of a unit cell to the entire crystal lattice. Q: What is the smallest portion of a crystal lattice? Choices: - ionic cell - function cell - element cell - unit cell A:

Ans:unit cell
Ques:Answer the following question given this paragraph: The mammalian middle ear has three tiny bones that carry sound vibrations from the outer to inner ear. The bones give mammals exceptionally good hearing. In other vertebrates, the three bones are part of the jaw and not involved in hearing. Q: How many bones does the mammalian middle ear have? Choices: - two - twelve - four - three A:

Ans:
three