Ques:Q: Which layer is the lithosphere located? Choices: - eclipses layer - radii layer - nearest layer - outermost layer A:

Ans:outermost layer
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Ques:Q: Which action of the stomach helps chemical digestion by gastric juice? Choices: - peristalsis - chewing - contraction - churning action A:

Ans:churning action
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Ques:Q: What cellular process is controlled by allosteric enzymes at key points in glycolysis and the citric acid cycle? Choices: - photosynthesis - Metabolism - mitosis - cellular respiration A:

Ans:cellular respiration
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Ques:Q: At the bottom of lakes and ponds, bacteria in what zone break down dead organisms that sink there? Choices: - photic - photoreactive zone - trophic - aphotic zone A:

Ans:
aphotic zone
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