Answer the following question given this paragraph: In plants and algae, photosynthesis takes place in organelles called chloroplasts. Chloroplasts contain stacks of membranes called thylakoids, which contain chlorophyll. Thylakoids are surrounded by a fluid-filled space called stroma. Q: In plants and algae, photosynthesis takes place in which organelles? Choices: - stems - fibroblasts - cells - chloroplasts A:
chloroplasts
(Question)
Answer the following question given this paragraph: Q: Viruses may damage or kill cells by causing the release of hydrolytic enzymes from where? Choices: - capillaries - lipids - glands - lysosomes A:
(Answer)
lysosomes
Ques: Answer the following question given this paragraph: Sodium belongs to the group of elements called the alkali metals. An alkaline solution is another name for a solution that is basic. All alkali metals react readily with water to produce the metal hydroxide and hydrogen gas. The resulting solutions are basic. Q: What group of elements does sodium belong to? Choices: - halogens - metalloids - noble gases - alkali metals A:
Ans: alkali metals
(Q).
Answer the following question given this paragraph: Photochemical smog consists mainly of ozone (O 3 ). The ozone in smog is the same compound as the ozone in the ozone layer,(O 3 ). But ozone in smog is found near the ground. Figure below shows how it forms. When nitrogen oxides and VOCs are heated by the Sun, they lose oxygen atoms. The oxygen atoms combine with molecules of oxygen to form ozone. Smog ozone is harmful to humans and other living things. Q: What dangerous oxygen compound is found in ground level smog? Choices: - argon - sulfur dioxide - neon - ozone A:
(A).
ozone
Ques:Answer the following question given this paragraph: Q: Cold sores, influenza, and the common cold are all? Choices: - digestive infections - trend infections - anal infections - viral infections A:

Ans:viral infections
Answer the following question given this paragraph: Q: Mammals generally lack a cloaca and have a separate opening for the what? Choices: - urinary tract - tissues tract - physical tract - digestive tract A:
digestive tract