Q: In plants and algae, photosynthesis takes place in which organelles? Choices: - stems - fibroblasts - cells - chloroplasts A:
chloroplasts

(Question)
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: Q: What group of elements does sodium belong to? Choices: - halogens - metalloids - noble gases - alkali metals A:
Ans: alkali metals

(Q).
Q: What dangerous oxygen compound is found in ground level smog? Choices: - argon - sulfur dioxide - neon - ozone A:
(A).
ozone

Ques:Q: Cold sores, influenza, and the common cold are all? Choices: - digestive infections - trend infections - anal infections - viral infections A:

Ans:viral infections

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