MIUN Free NEET Quiz Unit 4

1. Natural cytokinins can be synthesised in root apices.

2. ‘Phosphorylation happens in the inner membrane of mitochondria’ is known as reductive phosphorylation.

3. α-ketoglutaric acid → succinyl-CoA, coupled with the CO₂ release.

4. In photosynthesis, the proton accumulation is towards the inside of the membrane.

5. The respiratory quotient depends upon the type of respiratory substance used during respiration.

6. As ‘Z’ scheme progress, the protons in the chloroplast stroma are being used up for the production of NADP+.

7. Auxin is an example of extrinsic factor that affects the development of a plant.

8. When a cell loses the capacity to divide, it leads to differentiation.

9. By illuminating red light on plant, one would expect minimum rate of photosynthesis.

10. During glycolysis, 2 phosphoglyceric acid arises from 3 phosphoglyceric acid without ATP utilisation being involved.

11. Malic acid → OAA, does not couple with the NADH production.

12. Apical dominance of a plant is influenced by both intrinsic and extrinsic factors.

13. The compounds that are reduced during respiration are known as respiratory substrates.

14. The temperature optimum for C₄ plants is 30-40 C.

15. Photorespiration is extremely frequent in C₃ plants.

16. O2 level in atmosphere is an example of extrinsic factor that affects the development of a plant. 

17. Engelmann’s first absorption spectrum of photosynthesis does not resemble the action spectra of chlorophyll b.

18. Engelmann’s first absorption spectrum of photosynthesis resembles the action spectra of chlorophyll a.

19. Ethylene is an example of intrinsic factor that affects the development of a plant.

20. During light reactions, the proton concentration of stroma is getting decreased.

21. During differentiation, cells undergo structural changes both in their cell walls and protoplasm.

22. Experiments conducted over a wide range of plants led to the discovery of another group of plants, where the first stable product of CO₂ fixation was oxaloacetic acid.

23. Cornelius van Niel is a microbiologist.

24. Proton carrier molecule removes a proton from the lumen while transporting an electron.

25. A differentiated cell may redifferentiate and then dedifferentiate.

26. In C₃ plants the primary O₂ acceptor is RuBP.

27. Gibberellins’ ability to cause an increase in length of axis is used to increase the length of grapes stalks.

28. Engelmann’s first action spectrum of photosynthesis does not resemble the absorption spectra of chlorophyll a and b.

29. Engelmann’s first action spectrum of photosynthesis resembles the absorption spectra of chlorophyll a.

30. Minimal rate of photosynthesis takes place at all wavelength of electromagnetic radiation.

31. In glycolysis, Fructose 6 phosphate is converted to fructose 1, 6 bisphosphate which is do not coupled with ATP production.

32. Within the chloroplasts, the membranes are sites for the light reaction, while the chemosynthetic pathway occurs in the stroma.

33. During differentiation, to form a tracheary element, the cells would form weak and inelastic lignocellulosic primary cell walls.

34. Cytokinins does not helps to produce chloroplasts in leaves.

35. Tracheary elements are specialized cells found in the xylem tissue of Rhodophyceae.

36. In eukaryotic organisms aerobic respiration occurs in the presence of oxygen.

37. There are more than one hundred gibberellins reported from widely different organisms such as fungi and higher plants.

38. The energy in these molecules, as well as that in the NADH + H⁺ synthesized during glycolysis, is not used to synthesize ATP.

39. In glycolysis, Glucose 6 phosphate is converted to fructose 6 phosphate which is do not coupled with NADH utilisation.

40. Cornelius van Niel worked on photosynthesis.

41. Cytokinins does not helps in the delay of leaf senescence.

42. During differentiation, to form a tracheary element, the cells would form lignocellulosic primary cell walls.

43. In glycolysis, glyceraldehyde-3-phosphate is converted to 1,3 bisphosphoglyceric acid which is do not coupled with ATP production.

44. Phosphorylation at the inner membrane of mitochondria is called oxidative phosphorylation.

45. Plant growth and development are under the control of only intrinsic factors.

46. Formation of meristems – interfascicular cambium and cork cambium from fully differentiated parenchyma cells is differentiation.

47. Fumarate → malate, does not couple with the GTP production.

48. Formation of meristems – interfascicular cambium and cork cambium from fully differentiated parenchyma cells is dedifferentiation.

49. Gibberellic acid (GA1) was one of the first gibberellins to be discovered and remains the most intensively studied form.

50. Gibberellic acid (GA3) was one of the first gibberellins to be discovered and remains the most intensively studied form.