MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The transfer of pollen grains from anthers to the stigma by any pollinating agent is called______________? |
| A. | Allogamy |
| B. | Pollination |
| C. | Crossing |
| D. | Breeding |
| Answer» C. Crossing | |
| 2. |
The toxic substance CN glycocides is found in____________________? |
| A. | Yam |
| B. | Cassava |
| C. | Cucurbits |
| D. | Brinjal |
| Answer» C. Cucurbits | |
| 3. |
The term vernalization was first used in 1928 by____________________? |
| A. | Chailakhian |
| B. | Gassner |
| C. | Lysenko |
| D. | Wrinkker |
| Answer» D. Wrinkker | |
| 4. |
The storage life of fresh onion at -1 to -4ºC is____________________? |
| A. | 10-15 weeks |
| B. | 10-25 weeks |
| C. | 12-28 weeks |
| D. | 12-25 weeks |
| Answer» D. 12-25 weeks | |
| 5. |
The storage life of fresh oranges at 5 to 9ºc is ____________________? |
| A. | 4-6 weeks |
| B. | 6-8 weeks |
| C. | 6-12 weeks |
| D. | 6-10 weeks |
| Answer» D. 6-10 weeks | |
| 6. |
The storage life of fresh mango at -1 to 4ºc is_________________________? |
| A. | 0-4 weeks |
| B. | 1-4 weeks |
| C. | 1-2 weeks |
| D. | 2-4 weeks |
| Answer» D. 2-4 weeks | |
| 7. |
The storage life of fresh lemon at 10ºC is___________________? |
| A. | 6-10 weeks |
| B. | 10-15 weeks |
| C. | 12-20 weeks |
| D. | 12-16 weeks |
| Answer» D. 12-16 weeks | |
| 8. |
The storage life of fresh apples at -1 to -4ºc is______________________? |
| A. | 4-10 weeks |
| B. | 10-20 weeks |
| C. | 8-30 weeks |
| D. | 20-25 weeks |
| Answer» D. 20-25 weeks | |
| 9. |
The smell in onion bulb is due to__________________? |
| A. | bad odour of the soil |
| B. | Much sugar |
| C. | Sulphur components |
| D. | Fleshy leaves |
| Answer» D. Fleshy leaves | |
| 10. |
The size of stomata is measured by___________________? |
| A. | Potometer |
| B. | Porometer |
| C. | Spectrophotometer |
| D. | Atomic absorption Spectrophotometer |
| Answer» C. Spectrophotometer | |
| 11. |
The science of rearing honey bee for honey is known as__________________? |
| A. | Sericulture |
| B. | Honey culture |
| C. | Apiculture |
| D. | Silvi culture |
| Answer» D. Silvi culture | |
| 12. |
The recommended plant to plant space for chiku is __________________? |
| A. | 20 x 20 ft |
| B. | 35 x 35 ft |
| C. | 50 x 50 ft |
| D. | 100 x 100 ft |
| Answer» D. 100 x 100 ft | |
| 13. |
The ratio of CO2 and O2 uptaken during respiration is known as_____________________? |
| A. | Respiration |
| B. | Respiratory quotient |
| C. | Both a & b |
| D. | None of the above |
| Answer» C. Both a & b | |
| 14. |
The protein content of fresh fruit is about___________________? |
| A. | 4% |
| B. | 2% |
| C. | 3% |
| D. | 1% |
| Answer» E. | |
| 15. |
The production of vegetables for distant market is called___________________? |
| A. | Train farming |
| B. | Truck farming |
| C. | Distant farming |
| D. | Intensive farming |
| Answer» C. Distant farming | |
| 16. |
The process that convert glucose to pyruvic acid is____________________? |
| A. | Citric cycle |
| B. | Glycolysis |
| C. | Fermentation |
| D. | Calvin-Benson cycle |
| Answer» C. Fermentation | |
| 17. |
The problem of granulation has been found in____________________? |
| A. | Guava |
| B. | Mango |
| C. | Citrus |
| D. | Date |
| Answer» D. Date | |
| 18. |
The practice of raising trees is called__________________? |
| A. | Forestry |
| B. | Agro forestry |
| C. | range forestry |
| D. | Sericulture |
| Answer» B. Agro forestry | |
| 19. |
The Potato is___________________? |
| A. | Rhizome |
| B. | Tuber |
| C. | Fruit |
| D. | Sucker |
| Answer» C. Fruit | |
| 20. |
The portion of the axis below the cotyledons is known as___________________? |
| A. | Micropyle |
| B. | Hypocotyle |
| C. | Epictyl |
| D. | None of the above |
| Answer» C. Epictyl | |
| 21. |
The pigment present in tomato is___________________? |
| A. | B-carotene |
| B. | Xanthophyll |
| C. | Lycopene |
| D. | Chlorophyll |
| Answer» D. Chlorophyll | |
| 22. |
The photo nthesis reaction is determined by_________________? |
| A. | Hill reaction |
| B. | Goldman equation |
| C. | Nernst equation |
| D. | Oxidation-reduction reaction |
| Answer» B. Goldman equation | |
| 23. |
The ovary develops and forms ____________________? |
| A. | seed |
| B. | Fruit |
| C. | Ovule |
| D. | None of the above |
| Answer» C. Ovule | |
| 24. |
The optimum temperature for warm season crop is ___________________? |
| A. | 25-35°C |
| B. | 18-24°C |
| C. | 20-25°C |
| D. | 10-20°C |
| Answer» B. 18-24°C | |
| 25. |
The one reason of unfruitfulness in fruits may be:__________? |
| A. | Heterostyly |
| B. | Compatibility |
| C. | Monoecy |
| D. | None of above |
| Answer» B. Compatibility | |
| 26. |
The nutrient stimulating vegetative growth is_____________________? |
| A. | Phosphorus |
| B. | Potassium |
| C. | Nitrogen |
| D. | Zinc |
| Answer» D. Zinc | |
| 27. |
The number of calories of heat required to change the temperature of one Kg of a substance is called____________________? |
| A. | Heat action |
| B. | Molar heat |
| C. | Specified heat |
| D. | None of the above |
| Answer» D. None of the above | |
| 28. |
The national tree of Pakistan is___________________? |
| A. | Neem |
| B. | Acasia Arabia |
| C. | Sesam |
| D. | All the above |
| Answer» C. Sesam | |
| 29. |
The national flower of Pakistan is ___________________? |
| A. | Rose |
| B. | Tube rose |
| C. | Jasmine |
| D. | All the above |
| Answer» D. All the above | |
| 30. |
The most popular and common method of laying out orchard on flat ground is_________________? |
| A. | Triangular system |
| B. | Rectangular system |
| C. | Square system |
| D. | Quincunx system |
| Answer» D. Quincunx system | |
| 31. |
The most highly advanced division in plants kingdom is____________________? |
| A. | Pteridophtes |
| B. | Tracheophyta |
| C. | Taxonomy |
| D. | None of the above |
| Answer» C. Taxonomy | |
| 32. |
The metric unit of light is___________________? |
| A. | Km |
| B. | Lux |
| C. | Noticlemiles |
| D. | Lumen |
| Answer» C. Noticlemiles | |
| 33. |
The message of jasmine is_______________? |
| A. | Love |
| B. | Peace |
| C. | Friendship |
| D. | All the above |
| Answer» C. Friendship | |
| 34. |
The management of plant structure and fruiting wood is called____________________? |
| A. | Training |
| B. | Thinning |
| C. | Pruning |
| D. | None of the above |
| Answer» D. None of the above | |
| 35. |
The main function of auxin is_____________________? |
| A. | Cell division |
| B. | Cell elongation |
| C. | Cell differentiation |
| D. | Cell production |
| Answer» C. Cell differentiation | |
| 36. |
The influence of light on flowering in plant is____________________? |
| A. | Phototropism |
| B. | Photolysis |
| C. | Photoperiodism |
| D. | Photosynthesis |
| Answer» D. Photosynthesis | |
| 37. |
The high level of starch accumulation is present in__________________? |
| A. | Cassava |
| B. | Potato |
| C. | Cucumber |
| D. | Carrot |
| Answer» B. Potato | |
| 38. |
The fruit whose pericarp does not split open at maturity are called___________________? |
| A. | Indehiscent fruit |
| B. | Dehiscent fruit |
| C. | Sehizo fruit |
| D. | None of the above |
| Answer» B. Dehiscent fruit | |
| 39. |
The fruit tree which are naturally cross pollinated are ___________________ ? |
| A. | Mango and lemon |
| B. | Chiku and banana |
| C. | Apple and grape |
| D. | Datepalm and papaya |
| Answer» E. | |
| 40. |
The fruit plants resisting acidic condition is______________________? |
| A. | Mango |
| B. | Chiku |
| C. | Banana |
| D. | Datepalm |
| Answer» E. | |
| 41. |
The food in onion is stored in___________________? |
| A. | Roots |
| B. | stems |
| C. | Flowers |
| D. | Scaly leaves |
| Answer» E. | |
| 42. |
The enzymes and pigments associated with photosynthesis are located in____________________? |
| A. | Leucoplast |
| B. | Chloroplast |
| C. | Chromoplast |
| D. | Protoplast |
| Answer» C. Chromoplast | |
| 43. |
The edible part of orange is_______________________? |
| A. | Unicelled endocarpie hair |
| B. | Unicelled placental hair |
| C. | Multicelled endocarpic hair |
| D. | Multicelled placental hair |
| Answer» D. Multicelled placental hair | |
| 44. |
The edible part in pomegranate is___________________? |
| A. | Juicy tasta |
| B. | Jmey cpicarp |
| C. | Juicy hairs |
| D. | Mesocarp |
| Answer» B. Jmey cpicarp | |
| 45. |
The dormancy of bulbs, roots and tubers can be prolonged by_____________________? |
| A. | Medium temperature |
| B. | Low temperature |
| C. | Appropriate storage conditions |
| D. | All the above |
| Answer» E. | |
| 46. |
The cooling methods for fresh produce is dependent on___________________? |
| A. | Temperature of produce at harvest |
| B. | Physiology of the produce |
| C. | Post harvest life of the produce |
| D. | All the above |
| Answer» E. | |
| 47. |
The conservation of glucose or fructose in pyruive acid during respiration is called________________? |
| A. | Glucopage |
| B. | Glycogen |
| C. | Glycolysis |
| D. | None of the above |
| Answer» D. None of the above | |
| 48. |
The chromoplast develops mainly from__________________? |
| A. | Leucoplast |
| B. | Chloroplast |
| C. | Phagoplast |
| D. | Amyloplast |
| Answer» C. Phagoplast | |
| 49. |
The basal part which provided the root system for anchorage and absorption of moisture and nutrients is called___________________? |
| A. | Scion |
| B. | Root stock |
| C. | Grafting |
| D. | Budding |
| Answer» C. Grafting | |
| 50. |
The average temperature for maximum plant growth is _________________? |
| A. | 20-30ºC |
| B. | 25-35ºC |
| C. | 28-30ºC |
| D. | 25-30ºC |
| Answer» D. 25-30ºC | |