Unit 8: Bioenergetics — Mcqs

9th Class Biology · Unit 8: Bioenergetics

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1.When we get energy from ATP, which bonds are broken?
2.Light reactions of photosynthesis occur in:
3.Which type of chlorophyll is most common in plants?
4.Where does the reaction of photosynthesis take place?
5.When yeast ferments glucose, the products are:
6.In which part of the chloroplast does the light-dependent reaction occur?
7.Which molecule donates electrons in the light-dependent reactions of photosynthesis?
8.Which process in aerobic respiration produces the most ATP?
9.In yeast cells, anaerobic respiration leads to the production of:
10.How may ATP molecules are produced from one glucose molecule during anaerobic respiration?
11.What is a common byproduct of anaerobic respiration in animal cells?
12.The major energy currency of all cells is:
13.There are ______ P-bonds in an ATP molecule.
14.The mechanism of ATP synthesis is:
15.What are the products of light reactions in photosynthesis?
16.Which of the following processes is used by plants to make oxygen during the process of photosynthesis?
17.A child left a carton on the lawn for two days. When the carton was picked up, the grass under it had turned yellow. What caused the grass to change colour?
18.In which component of leaf cells, chlorophyll is present?
19.Which of the following is not a product of the light-dependent reactions of photosynthesis?
20.In which part of the plant cell does photosynthesis occur?
21.Glycolysis is the breakdown of:
22.In aerobic respiration pyruvic acid changes to:
23.Which of these uses oxygen as the final acceptor?
24.Which of these produces carbon dioxide?
25.Which of these can enter into Krebs cycle?
26.Alcoholic fermentation occurs in:
  • a Bacteria
  • b Yeast
  • c Man
  • d Bacteria and yeast
27.Lactic acid fermentation occurs in:
28.End product of glycolysis is:
29.After strenuous exercise you get tired because skeletal muscles accumulate:
30.Where does the Krebs cycle occur in a cell?