MCQOPTIONS
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MCQOPTIONS
This section includes 365 Mcqs, each offering curated multiple-choice questions to sharpen your Agriculture knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The term poly genes was coined by___________________? |
| A. | Yates (1947) |
| B. | Hazel (1943) |
| C. | Mather (1943) |
| D. | Griffing (1956) |
| Answer» D. Griffing (1956) | |
| 52. |
The term mitosis was coined by__________________? |
| A. | Rimpu (1890) |
| B. | Nilson (1900) |
| C. | De Vilmorin (1856) |
| D. | Flemming (1882) |
| Answer» B. Nilson (1900) | |
| 53. |
The term mitosis was coined by________________? |
| A. | Flemming (1882) |
| B. | De Vries and correns (1908) |
| C. | Bruce and Keeble (1908) |
| D. | Non of these |
| Answer» B. De Vries and correns (1908) | |
| 54. |
The term micro and macro environment was given by___________________? |
| A. | Robinson (1948) |
| B. | Lemer (1954) |
| C. | Perkins (1971) |
| D. | Comstock and Moll (1963) |
| Answer» E. | |
| 55. |
The term ideotype was coined by_____________________? |
| A. | Jennings (1958) |
| B. | Finlay (1968) |
| C. | Rasmesson (1987) |
| D. | Donald (1968) |
| Answer» E. | |
| 56. |
The term homeostasis was coined by_____________________? |
| A. | Lemer (1954) |
| B. | Jinks (1968) |
| C. | Warner (1952) |
| D. | Freeman (1971) |
| Answer» B. Jinks (1968) | |
| 57. |
The term heterosis was coined by____________________? |
| A. | Hull (1945) |
| B. | Bruce (1910) |
| C. | East (1908) |
| D. | Shull (1914) |
| Answer» E. | |
| 58. |
The term gene was coined by__________________? |
| A. | Batson |
| B. | Johnnsen |
| C. | Punned |
| D. | Darlington |
| Answer» B. Johnnsen | |
| 59. |
The term cell was introduced in 1665 by__________________? |
| A. | Maligned |
| B. | Hook |
| C. | Schneider |
| D. | Schumann |
| Answer» D. Schumann | |
| 60. |
The suppression of the action of a gene or genes by a gene or genes not allelomorphic to these suppressed is known as __________________? |
| A. | Episode |
| B. | Co dominance |
| C. | Epistasis |
| D. | Dominance |
| Answer» D. Dominance | |
| 61. |
The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called________________? |
| A. | Gene flow |
| B. | Genetic drift |
| C. | Gene frequency |
| D. | None of the above |
| Answer» C. Gene frequency | |
| 62. |
The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called__________________? |
| A. | Gene flow |
| B. | Genetic drift |
| C. | Gene frequency |
| D. | None of the above |
| Answer» B. Genetic drift | |
| 63. |
The smell in onion bulb is due to________________? |
| A. | Bad odour of soil |
| B. | Much sugar |
| C. | Sulphur compounds |
| D. | Freshy leaves |
| Answer» D. Freshy leaves | |
| 64. |
The smallest unit of recombination in the chromosome is called___________________? |
| A. | Gene |
| B. | Chromosome |
| C. | Citron |
| D. | Recon |
| Answer» D. Recon | |
| 65. |
The smallest cell organelle so far is_____________________? |
| A. | Peroxisome |
| B. | Spherosome |
| C. | Ribosome |
| D. | Lysosome |
| Answer» D. Lysosome | |
| 66. |
The small unit of DNA capable of undergoing crossing over and recommbination is________________? |
| A. | Recon |
| B. | Muton |
| C. | Cistron |
| D. | Complan |
| Answer» B. Muton | |
| 67. |
The slow process by which new types of organisms arise from existing forms by genetics variation is called_______________________? |
| A. | Genetics |
| B. | Mutation |
| C. | Evolution |
| D. | Polyploidy |
| Answer» D. Polyploidy | |
| 68. |
The significance of difference among several means is tested with the help of____________________? |
| A. | F-test |
| B. | t-test |
| C. | Z-test |
| D. | x-test |
| Answer» B. t-test | |
| 69. |
The role of nucleus in regulating the morphology of the plant was discovered in___________________? |
| A. | pea |
| B. | Acetabularia |
| C. | Macrospore |
| D. | Maize |
| Answer» C. Macrospore | |
| 70. |
The recommended ratio of male the recommended of male rows to female rows in hybrid bajra production is_________________? |
| A. | 2 to 4 |
| B. | 1 to 2 |
| C. | 4 to 8 |
| D. | 3 to 6 |
| Answer» B. 1 to 2 | |
| 71. |
The reason why mutations which are harmful do not eliminated from gene pool is that___________________? |
| A. | They are recessive and carried by heterozygous individuals |
| B. | Genetic drift occurs because of a small population in to offsprings |
| C. | Making possible reproduction in all types of environments |
| D. | They have future survival value |
| Answer» B. Genetic drift occurs because of a small population in to offsprings | |
| 72. |
The ratio of treatment variance to error variance is known as______________________? |
| A. | Correction factor |
| B. | F-value |
| C. | Critical difference |
| D. | t-value |
| Answer» C. Critical difference | |
| 73. |
The protein synthesizing system is associated with_____________________? |
| A. | Microtubules |
| B. | Ribosome’s |
| C. | Episodes |
| D. | Mitochondria |
| Answer» C. Episodes | |
| 74. |
The protoplasm is________________? |
| A. | Solution |
| B. | Semi-solid |
| C. | Crysto colloidal solution |
| D. | Colloidal solution |
| Answer» D. Colloidal solution | |
| 75. |
The process of transfer and deletion of several gene is_____________________? |
| A. | Gene mutation |
| B. | Chromosomal mutation |
| C. | Monoploldy |
| D. | Synapsis |
| Answer» C. Monoploldy | |
| 76. |
The process of producing several indentical copies of a gene sequence referred to as__________________? |
| A. | Gene sequencing |
| B. | Gene cloning |
| C. | Gene splicing |
| D. | Micro cloning |
| Answer» C. Gene splicing | |
| 77. |
The primary advantage of sexual over asexual reproduction is______________________? |
| A. | Speading up the reproductive process |
| B. | Introducing variation into offsprings |
| C. | Improvement of chances of reproduction |
| D. | Making possible reproduction in all types of environments |
| Answer» E. | |
| 78. |
The policy level of commercially cultivated seedless watermelon is__________________? |
| A. | Monoploid |
| B. | Diploid |
| C. | Triploid |
| D. | Tetraploid |
| Answer» D. Tetraploid | |
| 79. |
The physical appearance of an organism is denoted by____________________? |
| A. | Photocopy |
| B. | Prototype |
| C. | Phenotype |
| D. | Apheliotropic |
| Answer» D. Apheliotropic | |
| 80. |
The parry of Cauliflower which is eaten is__________________? |
| A. | Flower |
| B. | Fruit |
| C. | Bud |
| D. | Inflorescence |
| Answer» E. | |
| 81. |
The outer most part of plant cell is____________________? |
| A. | Plasma membrane |
| B. | Epidermis |
| C. | Nuclear membrane |
| D. | Cellulose cell wall |
| Answer» E. | |
| 82. |
The organic evolution look place about__________________? |
| A. | 100,000,000 years |
| B. | 200,000,000 ears |
| C. | 300,000,000 years |
| D. | Still occurring |
| Answer» C. 300,000,000 years | |
| 83. |
The offspring of a cross between twp individuals differing in at least one set of characters is called__________________? |
| A. | Polyploidy |
| B. | Mutant |
| C. | Variant |
| D. | Hybrid |
| Answer» E. | |
| 84. |
The nucleic acids comprise of_________________? |
| A. | DNA |
| B. | RNA |
| C. | DNA & RNA |
| D. | DNQA and protein |
| Answer» D. DNQA and protein | |
| 85. |
The new crop critical has been evolved by intervener hybridization between________________________? |
| A. | Wheat & rice |
| B. | Rye & Wheat |
| C. | Wheat & Anglos |
| D. | Rice & maize |
| Answer» C. Wheat & Anglos | |
| 86. |
The name “Suicide bag” is given to___________________? |
| A. | Ribosomes |
| B. | Centrosomes |
| C. | Microsomes |
| D. | Lysosmes |
| Answer» E. | |
| 87. |
The most recent evolved plant group is ____________________? |
| A. | Confers |
| B. | Mosses |
| C. | grasses |
| D. | Gymnosperm |
| Answer» D. Gymnosperm | |
| 88. |
The most effective method for the transfer of oligogenic characters________________? |
| A. | Bulk |
| B. | Backcross |
| C. | Disruptive |
| D. | Pedigree |
| Answer» C. Disruptive | |
| 89. |
The membrane which surrounds the___________________? |
| A. | Nucleus |
| B. | Chloroplast |
| C. | Vacuole |
| D. | Cutoplasm |
| Answer» D. Cutoplasm | |
| 90. |
The mechanism ensuring genetic continuity in mitosis is____________________? |
| A. | Formation of two daughter cells with identical DNA |
| B. | Crossing over of the genes |
| C. | Halving of chromosome nuriber between two daughter cells |
| D. | Segregation of maternal and paternal characters |
| Answer» B. Crossing over of the genes | |
| 91. |
The maximum magnification possible within electron microscope is____________________? |
| A. | 2000 times |
| B. | 4000 times |
| C. | 400,000 times |
| D. | 200,000 times |
| Answer» E. | |
| 92. |
The giant chromosomes of Drosophila are found in_____________________? |
| A. | Testes |
| B. | Salivary glands |
| C. | Ovaries |
| D. | Muscles |
| Answer» C. Ovaries | |
| 93. |
The geometrical device that helps in visnalizing all the possible combinations of male and female gametes known as____________________? |
| A. | Punneu square |
| B. | Morgan square |
| C. | Mendel square |
| D. | Bateson square |
| Answer» D. Bateson square | |
| 94. |
The genetic constitution of an orgarusm is denoted by____________________? |
| A. | Phenotype |
| B. | Genotype |
| C. | Allele |
| D. | Genome |
| Answer» C. Allele | |
| 95. |
The functional unit of mutation is___________________? |
| A. | Gaston |
| B. | Recon |
| C. | Gene |
| D. | Mouton |
| Answer» D. Mouton | |
| 96. |
The food in onion is stored in_________________? |
| A. | Root |
| B. | Stem |
| C. | leaves |
| D. | Scale leaves |
| Answer» E. | |
| 97. |
The first organisms to appear on the earth were more like plants than animals because__________________? |
| A. | Plants can manufacture their own food material |
| B. | There are more plants than animals |
| C. | Plants are similar in structure |
| D. | None of the above |
| Answer» B. There are more plants than animals | |
| 98. |
The first ever inter generic crossed has been successfully performed between bamboo and sugarcane by_______________________? |
| A. | T.S. Venkatraman |
| B. | R.S. Paroda |
| C. | R.B. Singh |
| D. | T.S. Verma |
| Answer» B. R.S. Paroda | |
| 99. |
The first attempt to show linkage in plants were done in____________________? |
| A. | Lathers odorous |
| B. | Another Lamarckian |
| C. | Possum sativa |
| D. | Zeal Mays |
| Answer» B. Another Lamarckian | |
| 100. |
The first artificial hybridization in fruit crops was done by____________________? |
| A. | Knight |
| B. | Morgan |
| C. | Fischer |
| D. | Muller |
| Answer» B. Morgan | |