Q: What is a controlled scientific test that often takes place in a lab? Choices: - a testing - a viewing - an observeration - an experiment A:
an experiment

(Question)
Q: The number, size, shape, and banding pattern of chromosomes make them easily identifiable in a what? Choices: - xerophyte - spirogyra - nanocyte - karyogram A:
(Answer)
karyogram

Ques: Q: What are two of the most common vision problems? Choices: - blindness and astigmatism - myopia and nearsightedness - cross-eye and blindness - nearsightedness and farsightedness A:
Ans: nearsightedness and farsightedness

(Q).
Q: What is water vapor density known as? Choices: - density - thickness - ambiance - humidity A:
(A).
humidity

Ques:Q: What do willow trees produce to kill bacteria? Choices: - facultative acid - Posion - bacterial acid - salicylic acid A:

Ans:salicylic acid

Q: Oysters require a certain minimum population density because they must be in close proximity to do this? Choices: - multiply - replicate - feed - reproduce A:
reproduce