Agri-MCQs #10: Post Harvest Technology

1. The process of uptaking of water by the seed from the soil is called as ____

*a. Imbibation b. Osmosis

c. Diffusion d. None of them

2. The reserved food in seed is present in 

a. Embryo *b Endosperm

c. Seed lot d. Hilum

3. Black layer appears at physiological maturity in

a. Rice *b. Maize

c. Cotton d. None of them

4. Seed produced by hybridization, selection and mutation is called as

*a. Breeders seed   b Foundation seed

c. Certified seed   d. None of them

5. State of rest period of a seed in which it does not germinate is called as

*a. Seed dormancy b Seed vigour

c. After ripening d. None of them

6. The cross of a hybrid to one of the parental types is called as 

*a. Back cross b Test cross

c. Single cross d. Double cross

7. Plants having stamens and pistils in different flowers on the same plat are called as 

*a. Monoecious b Dioecious

c. Sterile d. None of these

8. Inability to set seed from application of pollen produced on the same plant is called as

a. Self-fertilize *b. Self incompatibility

c. Scarification d. None of these

9. A fruit developed from a single carpal with pericarp united to seeds is called as

*a. Caryopsis b Breeder’s stock

c. Immature fruit d. None of them

10. Sprouting of seed within the spikelet in wheat field is called as

*a. Precocious germination b Epigeal germination

c. Hypogeal germination d. None of them

11. Under storage conditions oxygen concentration is kept low to avoid

*a. Transpiration   b Respiration

c. Pseudo-respiration   d. None of them

12. Moisture content of cereals grain must be below _____ for safe storage.

a. 4% b 20%

c. 25% *d. 12%

13. Under storage condition ________ concentration is kept high

*a. CO2 B Oxygen

c. Hydrogen d. None of them

14. Removal of entire plants or economic parts after maturity from the field is called

*a. Harvesting b Hand pulling

c. Rouging d. None of them

15. If crop is harvested before physiological maturity the produce contains

*a. High moisture b. Low moisture

c. Mature grains d. None of them

16. When the translocation of photosynthates are stopped to economic parts is called as

*a. Physiological maturity b After ripening

  c. Scenescence d. None of them

17. Harvest maturity generally occurs _________ of physiological maturity

*a. After 7 days b After 14 days

c. After 21 days d. After 28 days

18. When toxins are present in crop, they are generally high in ______.

*a. Early stages   b Lateral stages

c. Middle stages   d. May be any time

19. The nutritive value of fodder crop, especially protein content, decreases and fibre content increases in the ___________.

a. Early stages *b. Lateral stages

c. Middle stages d. May be any time

20. Around 75% of N requirement is used by grasses during ___

*a. Vegetative stage b Reproductive stage

c. Both vegetative and productive stage d. None of them

21. Protein content is high in fodder grasses during

*a. Early stages b Lateral stages

c. Middle stages d. May be any time

22. Harvesting is delayed by a few more days to get more dry matter if the purpose is 

*a. Hay making b. For stall feeding

c. For green manuring d. None of them

23. Crops with ratooning ability are harvested at  

a. At once *b At periodic intervals

c. At germination d. None of them

24. _________ is allowing the livestock on the pastures throughout the growing season is called as

*a. Continuous grazing b Rotational grazing

c. Rational grazing d. All of them

25. Separating fruits or seed from the plants or ears is called as

a. Winnowing *b Threshing

c. Harvesting   d. All of them

26. __________ is a process by which moisture  content from grain is reduced to safe limit

*a. Drying b Winnowing 

c. Storage d. Threshing

27. The losses due to different pests during storage are estimated to about

a. 65% *b. 6.5%

c. 45% d. None of them

28. _____________ of grains results in severe attack of insects and micro-organisms

*a. Higher moisture content b Low moisture content

c. Very low temperature d. None of them

29. Early harvested crop contains

*a. Ill filled grain b. Well filled grain

c. Mature grain d. None of them

30. Dunnage, stacking and pest control are the important aspects of 

*a. Storage b. Harvestimg

c. Threshing         d. marketing

31. Any material which are placed over the ground and below the bags so as to avoid direct contact of grains with the floor is called

*a. Dunnage b Stacking

c. Fumigation d. Spraying

32. __________ as the product formed by the formation of green fodder stored during anaerobic conditions 

a. Hay *b Silage

c. Green manure   d. None of them

33. The major component of __________ are effective network of sale out lets, economical distribution cost, and the involvement of sale agencies in the business

*a. Marketing B Storage

c. Certification d. Isolation

34. Wheat is an example of 

a. Short day plant *b Long day plant

c. Day neutral plant d. None of them

35. The seed which is stored under very cold conditions for a long period of time is called as

a. Basic seed B Pre-basic seed

c. Foundation seed *d. Germ plasm seed

36. A gum known as glactomanin is obtained from the seed of

*a. Clusterbean b. Pearlmillet

c. Canola d. Cowpea

37. Irreversible increase in quantitative and qualitative changes is called

a. Growth *b Development

c. Phenology d. None of them

38. Irreversible increase in quantitative changes is called

*a. Growth B Development

c. Phenology d. None of them

39. Rice plant respire via

a. Parenchyma cell *b. Aerenchyma cell

c. Chlorenchyma cell   d. None of them

40. Separating grain or seed from chaff is known is  

a. Winnowing b. Threshing

c. Harvesting *d. All of them