Question Bank No: 11

1. Co-factor required for activation of glucose in glycolysis is

 a)Mn
 b)Cu
 c)Phosphorus
 d)Mg

2. The sudden change from anaerobic to aerobic respiration in presence of oxygen is termed

 a)Photo respiration
 b)Carb tree
 c)TCA cycle
 d)Pasteur effect

3. Cytochrome that reacts with oxygen in mitochondrial ETS is

 a)Cyt a3
 b)Cyt b
 c)Cyt a
 d)Cyt b6

4. Which of the following processes is used in the conversion of pyruvate to acetyl CoA.

 a)Oxidative dehydration
 b)Oxidative dehydrogenation
 c)Oxidative phosphorylation
 d)Oxidative decarboxylation

5. An amphibolic pathway is

 a)TCA cycle
 b)Calvin Cycle
 c)ETC
 d)HMS

6. Which of the following wavelength is active in the process of photosynthesis

 a)400-500 nm
 b)400-700 nm
 c)200-450 nm
 d)100-200 nm

7. Young green fruits become brightly coloured during ripening due to

 a)Ageing
 b)Decrease in organic acid
 c)Increases in Sugar
 d)Degradation of chloroplast to carotenes and Xanthophylls

8. The common factor for respiration and photosynthesis is

 a)Light
 b)Chloroplast
 c)Carotenes
 d)Cytochrome

9. The first stable compound formed in C3 cycle is

 a)Glucose
 b)Sucrose
 c)PGA
 d)PGAL

10. Which of the following is an essential act of photosynthesis

 a)Plasmolysis
 b)Glycolysis
 c)Autolysis
 d)Photolysis of water

11. Which of the following mineral pair is associated with Nitrogenase

 a)Ca & Mg
 b)Fe & Mg
 c)Fe- Mo
 d) Mn & Ca

12. P, K, Ca and Mg have a common deficiency symption of

 a)Chlortic development
 b)Leaf curling
 c)Necrosis
 d)Poor vasculature

13. A plant twig kept in water remain fresh for a longer period if some salt is added to it. This is due to.

 a)High absorption rate
 b)Exosmosis
 c)Decrease in bacterial action
 d)Decrease in transpiration rate

14. Transpiration pull will be maximum under the condition

 a)Open stomata, high humid air, well irrigated soil
 b)Closed stomata, low light intensity and humid air.
 c)Open stomata high humid air, dry soil
 d)Open stomata, dry atmosphere, moist soil

15. The percentage of water left in the soil when a plant is wilted is called.

 a)Field capacity
 b)Vital capacity
 c)Wilting co-efficient
 d)Turgidity

16. When temperature of the soil is zero, the rate of water absorption by plants

 a)Increases
 b)Decreases
 c)Remains same
 d)Fluctuales

17. When mammary glands of male develop similar to that of female then this condition is known as

 a)Gmochorism
 b)Faminism
 c)Gynaecomatia
 d)Gynaecism

18. Mentruation is triggened by an abrupt decline in the amount of

 a)LH
 b)FSH
 c)LTH
 d)Estrogen

19. The germ layer which differentiates into primitive gut is

 a)Ectoderm
 b)Endoderm
 c)Neurectoderm
 d)Mesoderm

20. The transformation of growing primary follicle into Graffian follicle is controlled by

 a)LH
 b)FSH
 c)Estrogen
 d)Progesterone

21. Which one of the following is not proteinous protein.

 a)Parathormone
 b)Insulin
 c)Prolactin
 d)Testosterone

22. Hormone, which regulates metamorphosis in insects is

 a)Pheromone
 b)Ecdysone
 c)ADH
 d)All of these

23. Bud grafting is commonly employed in

 a)Litchi
 b)Pomegranate
 c)Rose
 d)Jasmine

24. A sheath of special tissue proteinaceous is called

 a)Scutellum
 b)Coleoptile
 c)aleurone layer
 d)Sporopollinium

25. Bicarpellary ovary with parietal placentation is found in

 a)Brassicaceae
 b)Malvaceae
 c)Solamaceae
 d)Compositae (Asteracea)

26. Turmeric is obtained from

 a)seed
 b)dried rhizome
 c)dried root
 d)dried fruit

27. Commercial jute fibres are

 a)Phloem fibres
 b)xylem fibres
 c)Interxylary fibres
 d)none of the above

28. Hevea yields

 a)Soft fibre
 b)latex
 c)strong fibre
 d)delicious soft drink

29. Commercial coffee is prepared from

 a)Leaves
 b)seeds
 c)flowers
 d)fruits

30. Atropa belongs to

 a)Cruciferae
 b)Solanauae
 c)Poaceae
 d)Liliaceae

31. Castor oil is obtained from

 a)Sesamion Indicum
 b)Linum Sps
 c)Brassica Campestrics
 d)Riciness Communis

32. Belladona is obtained from

 a)Atropa
 b)Papaver
 c)Acacia
 d)Phoenix

33. Clove oil is obtained from

 a)Wood of santalum
 b)leaf of syzygium aromaticum
 c)flower buds of syzygium aromaticum
 d)rhizome of viteveria

34. Litmus, used as an acid base indicator is obtained from

 a)Algae
 b)lichens
 c)fungi
 d)flower

35. Saffron is obtained from

 a)Leaves
 b)flowers
 c)anthers
 d)stigma and tops of styles in crocus plant

36. Victoria regia is famous in world for its

 a)largest leaves
 b)largest seeds
 c)heaviest wood
 d)lightest wood

37. Largest seeds are found in

 a)Coconut
 b)Rafflesia
 c)Lodecea
 d)Mango

38. Phrase "like begets like" is related to

 a)Etymology
 b)Reproduction
 c)Physiology
 d)Genelics

39. Cytochromes help in

 a)Oxidation of glucose
 b)release of energy
 c)electron transport
 d)Growth

40. R.Q for fats is usually

 a)unity
 b)less than one
 c)more than one
 d)zero

41. Kerb's cycle is also called

 a)Glyoxylate
 b)cycle EMP Pathway
 c)Citric acid cycle
 d)glycolate cycle

42. Different steps in respiration are controlled by

 a)auxins
 b)sugars
 c)enzymes
 d)kinetins

43. Substrate for photorespiration is

 a)Glycolate
 b)serine
 c)malic acid
 d)IAA

44. Glycolysis occurs in

 a)Mitochondria
 b)cytoplasm
 c)mitochondria and cytoplasm
 d)vacuole

45. Within the cell the site of respiration is

 a)Golgi body
 b)Mitochondria
 c)ribosomes
 d)nucleus

46. Number of ATP molecules formed when a molecule of glucose respires amaerobically is

 a)4
 b)2
 c)6
 d)8

47. Cofactor of carboxylase enzyme during TCA cycle

 a)Fe
 b)Mn
 c)MG
 d)Mo

48. End products of respiration in presence of 02 are

 a)co2 + h2o
 b)co2 + ethyl alcohol
 c)co2+ pyruvic acid
 d)co2 + pyruvic acid + citric acid

49. During which stage of aerobic respiration, pyruvic acid is formed

 a)Fermentation
 b)Glycolysis
 c)Kreb's cycle
 d)Phosphorylation

50. During glycolysis

 a)Protein is converted into
 b)glucose glucose is converted to fructose
 c)Fats are converted into glucose
 d)Glucose is converted into pyruvic acid