Class 9th Biology Chapter 7


Total Marks: 40

1. Which stage of Aerobic respiration is involved in complete oxidation of pyruvic acid ?
glycolysis Krebs cycle electron transport chain Photolysis
2. The last stage of aerobic respiration is:
Electron Transport Chin glycolysis photolysis krebs cycle
3. During anaerobic oxidation of glucose , how many ATP molecules are gained as net profit ?
ATP-1 ATP-2 ATP-3 ATP-4
4. How many molecules of ATP are produced by each NADH in electron transport chain ?
2 3 4 5
5. Photosynthesis is occure in chloroplasts while respiration takes place in :
nucleus cytoplasm cytoplasm and mitochondria nucleus and cytoplasm
6. In which process light energy is store in the form of bond energy :
respiration photosynthesis light reaction dark reaction
7. Respiration is a ------- type of reaction?
metabolic anabolic catabolic acidic
8. How many ATPs are produced in aerobic respiration?
2 36 22 33
9. Photosynthesis is a what kind of process ?
catabolic anabolic redox metabolism
10. The movement of water from a dilute solution to concentrated solution through a membrane is called as:
Diffusion Osmosis Active transport All of these
11. The reactions takes place on thalakoids of chlorophyll is:
Dark reaction Electron transport chain Light reaction Glycolysis
12. The more effective lights are in the Photosynthesis:
Blue and red White and red Green and yellow Blue and green
13. Light reaction occur in:
Stroma Thalakoid Mitrochondria Cytosol
14. The dark reaction is the part of:
Respiration Necrosis Photosynthesis Metastasis
15. The largest fuel of energy for cellular respiration is:
Glucose Protein Amino acids Lipids
16. Who discovered the details of the Dark Reaction?
Hans Kreb Robert Brown Malvin Calvin Aristolt
17. The series of light reaction is known as:
S scheme Z scheme L scheme None of above
18. The function of cuticle present on leaf surface:
Photosynthesis To absorb light To absorb carbon dioxide To absorb oxygen
19. The process of photosynthesis has how many phases ?
1 2 3 5
20. By product produced during photosynthesis is
carbondioxide nitrogen oxygen none of these
21. Karl Lohmann was awarded noble prize in |:
1944 1942 1943 1941
22. Energy is found in bonds of food :
Potential energy Oxidation anabolsim catabolism
23. The loss of electron from atom is called
Reduction Oxidation anabolism catabolism
24. APT is an example:
Amino acids Nucleotide fatty acid Nucleic Acid
25. ATP was discovered by :
Fritz Lipmann Nucleotide Calvin Karl lohmann
26. Which nucleotide is a major energy currency in all cells?
ADP AMP ATP AFD
27. Gain of electrons by an atom is called :
oxidation redox reduction displacement
28. Which reactions is involved in exchange of electrons between two atoms L
Oxidation reduction catabolism redox
29. When energy is converted by one form to another form this process is known is
break down metanolism chemical raction transformation
30. During metabolism of food potential energy is stored in the from of :
fat ATP NADP protein
31. Which energy is released by break down of bonds in biochemical reaction :
Potential energy Molecular energy Kinetic energy Chemical energy
32. In which of the following steps of respiration, CO is produced?
Glycolysis Krebs cycle Electron transport chain All of these
33. Oxygen takes part in aerobic respiration in:
Glycolysis Krebs cycle Link step between glycolysis and Krebs cycle Electron transport chain
34. When a plant was kept in darkness for many days its leaves turned yellow. Why?
Leaves could not get oxygen so there was no photosynthesis Leaves could not get oxygen so there was no photosynthesis Leaves could not get light so there was no respiration Leaves could not get oxygen so there was no respiration Leaves could not get light so there was no photosynthesis
35. From which bonds of ATP molecule energy is taken?
P-P bonds C-H bonds C-N bonds C-O bonds
36. In which component of the leaf cells, chlorophyll is present?
Stroma Thylakoids ) Plasma membrane Cytoplasm
37. When we work hard we suffer from muscle fatigue because muscle cells:
Carry out aerobic respiration at faster rate and so are tired Carry out anaerobic respiration and so accumulate lactic acid Carry out aerobic respiration and so accumulate lactic acid All of these
38. How many molecules of CO are produced when Krebs cycle operates once?
01 02 03 06
39. In which of the following metabolic processes, oxidation as well as reduction of molecules occur?
Photosynthesis Respiration Both a and b None of these
40. Chlorophyll pigment absorb maximum light in wavelength of:
Green and blue Green and re Green only Red and blue