Agriculture MCQ Quiz Hub

Agriculture Agriculture Genetics Plant Breeding and Biotechnology set-3

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1. Mangrove plants show adaptation like:




2. Mating between two individuals related by descent is:




3. Megaspore mother cell produces four megaspores out of which usually:




4. Meiosis is essential for the organism for:




5. Meiosis occurs in:




6. Which one of the following categories of seeds is the farmer expected to buy afresh every time?




7. Which of the fruit is capsule?




8. Which of the following type(s) of male sterility is/are used in commercial seed production of double cross hybrid maize?




9. Mendok is a gametocide used for inducing male sterility in:




10. Method of breeding can be used for studying the ancestral characteristic:




11. Microsporogenesis occurs in:




12. Microsporogenesis occurs in:




13. Modern population genetics is found on a proposition dedeced independently by Hardy in England in 1908 and _____ in Germany n 1909.




14. Monoploid is also a:




15. Multiline varieties are mixtures of:




16. Mutation is known to be due to change in genes:




17. Neither beginning nor end to the universe is basis of:




18. Nilsson-Ehle of ______ was apparently the first to use the bulk population method to breed superior crop varieties:




19. Normal female in human being is: .




20. Nucleus seed is:




21. Number of chromosome in endosperm is:




22. Nutritional improvement for the tryptophan content has been achieved in a _____ cell-line:




23. Observation of Hugo de Vries were based on:




24. Osra belongs to the family:




25. Onion and Garlic are example of:




26. Operon concept was given by:




27. Orange or lemon fruit is known as:




28. Osmotic pressure of cells sap is high among below given categories in:




29. Para-mutation in _____ is perhaps the one and only example of blending of alleles:




30. Pea has stamens:




31. Persons with the following blood group are universal donor:




32. Phylloclade is:




33. Physical and chemical properties of soil its water and air contents are included in:




34. Physiologically dry soil is:




35. Pigment, which is responsible for skin colour, is:




36. Pink (NN) flowered plants crossed with blue (nn) flowered plants gave black (Nn) flowered plants in F1 generation. If F1 plants dre selfed, which of the following will be the phenotype of F2 progeny?




37. Which of the following scientists is called the father of genetics?




38. Plants that attach themselves to any neighbouring object often by means of some special devices and climb it are called:




39. Plants that grown upon other plants but do not absorb food from them are called:




40. Plants, which feed upon insects and small animald absorbing only nitrogenous compounds, are called:




41. Plants that grow under average condition of temperature and moisture are:




42. Plasmid can:




43. Pneumatophores or respiratory roots are meant for:




44. Pollination taking place between the flowers borne by the same parent is called:




45. Pollination taking place between two flowers (bisexual or unisexual) borne by two separate plants of the same species is called:




46. Polygenes affecting the same trait, with each enhancing the phenotype are termed as:




47. Population improvement is used:




48. Pototo and Jerusalem artichoke are example of:




49. Probably the most useful measurable property in the soil -plant-air system is:




50. Progeny of a hybrid plant:




51. Prop or still roots are found in:




52. Protoplasm is a:




53. Pseudo-fertility may also occur late in the season as in:




54. Pure line is:




55. Pureline selection is:




56. Quarantine is:




57. Rainfall, temperature, light, wind and humidity are:




58. Random assortment of genes will occur if the gene are located on:




59. Recessive lethal genes are carried in the:




60. Recurrent selection is mostly used in:




61. Reduction Division in micro-sporogenesis occurs when:




62. Replacement of purine by pyrimidine and vice-versa is known as:




63. Restorer gene is needed:




64. Rice varieties IR 20, IR 26 and IR 36 have shown better resistance to:




65. Root bear:




66. Root has:




67. Secondary nucleus in the embryosac is:




68. Seeds of monocotyledons are:




69. Seeds of pea, gram and beans are:




70. Selfing of a plant increases:




71. Sex in Drosophila is governed by the following mechanism:




72. Single gene affecting more than one character is: