Agriculture MCQ Quiz Hub

Agriculture Agriculture Genetics Plant Breeding and Biotechnology Set-5

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1. The main type of endosperm development is:




2. The majority of halophytes show:




3. The male sterile line is a cross to produce hybrid seed is known as:




4. The mechanism of male sterility in self-pollinated crops can be successfully utilised to obtain:




5. The mendel s laws of inheritance were rediscovered in 1900 by:




6. The minute scaly outgrowths borne at the upper end of the leaf sheath as in Gramineae are called:




7. The mode of arrangement of ovules in the cavity of ovary is known as:




8. Which of the following breeding procedures are not used for producing new varieties of self-pollined crop?




9. Which is the monoecious plant?




10. The normal eye colour in Drosphila is red. But mutants occur having white eye and also different shades ranging between white and red which are all recessive to red while white colour is recessive to all others. This phenomenon is due to:




11. The nucleus of the cell was first discovered by:




12. The necleus of the functional megaspore divides:




13. The number of chromosome in common wheat is:




14. The number of stamens is indefinite in:




15. The nutritive tissue which is infact a remnant of the nucleus to called:




16. The seeded fruit of rice or maize grain is called:




17. The only force responsible for the movement of water through a membrane is:




18. The ovary of family liliaceae is:




19. The particles of hemicolloides have size (diameter) round about:




20. The phenomenon is called misogamy when the tube enters into the embryo sac through:




21. The physical basis of heredity is termed as:




22. The place on the stem or branch where one or more leaves arise is known as:




23. The placentation is mustard is:




24. The plant that grow in very dry places and can withstand a prolonged period of drought uninjured are:




25. The plant which is growing in saline soils or saline water with preponderance of soil in it is said:




26. The plants which grow in water or in very wet places are




27. The plants which grow in water deserts are called:




28. The plants which occur in moist shady places in forests or in the moist soil near waterlogged localities are:




29. The plasma membrane is:




30. The point of attachment of the body of the ovule is its funicle is known as:




31. The pollen along with pollen tube is known as:




32. Which is the dioecious plant?




33. The pressure responsible for pushing the membrane against the cell wall is termed as:




34. The process of formation of eggs in animals is called:




35. The process of formation of sperms in animals is known as:




36. The process of making the expression of a non-allelic gene by another gene or gene pair is known as:




37. The process of megasporogenesis occurs in:




38. The process double fertilization was first discovered by:




39. The production of double cross hybrid in maize was first suggested by:




40. The production of double cross hybrid in maize was first suggested by:




41. The production of sperms is known as:




42. The proportion of one allele as represented in a breeding population is known as:




43. The provision of light of shorten wavelength at the same time as longer red wavellength _______ photosynthesis:




44. The raw materials required for photosynthesis in vascular plants are:




45. The removal of apical buds and young leaves ______ branching.




46. The replication of DNA is:




47. Which is a common method used in cross-pollinated crops?




48. The science dealing with variation and heredity is called:




49. The science which deals with the study of interrelationship between the living organisms and the various factors of the environment surrounding them as:




50. The scientific name of bread wheat is:




51. The scientific name of maize is:




52. The segregation of individuals in the F2 or in a later generation of a cross which shows a more extreme development of a character than either parent is termed as:




53. The series of changes in the vegetation of a pond lake marsh or a stream are together known as:




54. The series of changes in the vegetation of bare rocky beds rocky hill slopes sand beds into extreme scarcity of water are together known as:




55. The situation where an egg cell is developed into an embry without fertilization is described as:




56. The slender stalk by which ovule is attached to the placenta is known as:




57. The stage of prophase occur in:




58. The staminate ______ plants out yield pistillate plants by about 25 per cent.




59. The structure of chromosome can best be observed during:




60. The study of ecology from the standpoint of individual species is called:




61. The sugar found in DNA is:




62. When we place a living plant cell in a solution with an osmotic potential identical to that of its own cell sap the solution is:




63. The surface tension in any liquid is ______ related to the temperature:




64. The tap root system is normally meant to:




65. The term epistasis was originally used by _____ in 1909 to describe genes whose effects mark or cover the effects of other genes:




66. The term genetics was coined by:




67. The term heterosis was first used by: