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.
| 1. |
Which one is C3 crop plant__________________? |
| A. | Gram |
| B. | Tomato |
| C. | Onion |
| D. | all the above |
| Answer» E. | |
| 2. |
Which one is C4 crop plant_____________________? |
| A. | Sugarcane |
| B. | Sorghum |
| C. | Maize |
| D. | all the above |
| Answer» E. | |
| 3. |
Which one of the following does not contain both DNA and RNA__________________? |
| A. | Bacterium |
| B. | Virus |
| C. | Fungus |
| D. | Algae |
| Answer» C. Fungus | |
| 4. |
Which one of the following does not contain RNA_______________? |
| A. | Chromosome |
| B. | Ribosomes |
| C. | Nuclcolus |
| D. | Plasmalemma |
| Answer» E. | |
| 5. |
Which one of the following is fruit____________________? |
| A. | Cauliflower |
| B. | Potato |
| C. | Brinjal |
| D. | Ginger |
| Answer» D. Ginger | |
| 6. |
Which one of the following is not found in DNA__________________? |
| A. | Cystine |
| B. | Uracil |
| C. | Thymine |
| D. | Guanine |
| Answer» C. Thymine | |
| 7. |
Which part of cell is important for and synthesis protoplasm ______________________? |
| A. | Mitochondria |
| B. | Nucleus |
| C. | Chloroplast |
| D. | Chromosomes |
| Answer» C. Chloroplast | |
| 8. |
Which statement is true___________________? |
| A. | Etiolation is not a reversible process |
| B. | Etiolation is genetically while albinism is physiological |
| C. | Etiolation is physiological while albinism is genitival |
| D. | Etiolation and albinism are synonyms |
| Answer» D. Etiolation and albinism are synonyms | |
| 9. |
Whisky is distilled from__________________? |
| A. | Fermented mash of malted or unmalted cereals and potatoes |
| B. | Fermented juices of fruits |
| C. | Raw grains |
| D. | Legume fruits |
| Answer» B. Fermented juices of fruits | |
| 10. |
Who arrang the following associated with genetic engineering___________________? |
| A. | Watson |
| B. | Crick |
| C. | Koruna |
| D. | Morgan |
| Answer» D. Morgan | |
| 11. |
Who coin the term genetic load _____________? |
| A. | Hardy (1908) |
| B. | Muller (1950) |
| C. | Ford (1940) |
| D. | Satisbury (1940) |
| Answer» C. Ford (1940) | |
| 12. |
Who coined the term genetic flexibility and phenotypic flexibility___________________? |
| A. | Hardy (1908) |
| B. | Thoday (1953) |
| C. | Salisbury (1940) |
| D. | Muller (1950) |
| Answer» C. Salisbury (1940) | |
| 13. |
Who discovered mitochondria__________________? |
| A. | Palade |
| B. | Altmann |
| C. | Cowdry |
| D. | Garner |
| Answer» C. Cowdry | |
| 14. |
Who discovered nucleic acid________________? |
| A. | Van Mohl |
| B. | Miescher |
| C. | Benda |
| D. | Schultz |
| Answer» C. Benda | |
| 15. |
Who discovered ribosomes__________________? |
| A. | Palade |
| B. | Altmann |
| C. | Cowdry |
| D. | Garner |
| Answer» B. Altmann | |
| 16. |
Who gave the model of DNA_________________? |
| A. | Watson and Crick |
| B. | Tatum |
| C. | Koran |
| D. | Dtanele |
| Answer» B. Tatum | |
| 17. |
Who gave the principle that man tends to multiply faster than food supply________________? |
| A. | Mathis |
| B. | Mendel |
| C. | Darwin |
| D. | Haldane |
| Answer» B. Mendel | |
| 18. |
Winter beats are grown in___________________? |
| A. | Canada |
| B. | Iran |
| C. | Mexico |
| D. | India |
| Answer» B. Iran | |
| 19. |
Year 1900 was significant for geneticists due to__________________? |
| A. | Discovery of gene |
| B. | Principles of linkage |
| C. | heredity theory |
| D. | Rediscovery of Mendel’s |
| Answer» E. | |
| 20. |
which of the following probably occur when a diploid cell undergoes normal meiotic division________________? |
| A. | All dominant genes will segregate together into daughter cells |
| B. | All homologous chromosome pairs will separate |
| C. | All daughter cells will have different homologous chromosome pairs |
| D. | All linkage group will be disrupted |
| Answer» C. All daughter cells will have different homologous chromosome pairs | |
| 21. |
Which of the following is not a fruit____________________? |
| A. | Tomato |
| B. | Potato |
| C. | Muskmelon |
| D. | Bitter gourd |
| Answer» C. Muskmelon | |
| 22. |
Which of the following had great influence on Drawing during during formulation of his theory of natural selection_________________? |
| A. | Lamark’s idea on inheritance of acquired character’s |
| B. | Mathis’s essay on population |
| C. | Mendes’s experiment on pea |
| D. | De Vries theory of mutation |
| Answer» E. | |
| 23. |
Which of the cell organelle is considered to be rich in catabolic enzymes_____________________? |
| A. | Golgi bodies |
| B. | Mitochondria |
| C. | Lysosome |
| D. | Endoplasmic reticulum |
| Answer» C. Lysosome | |
| 24. |
Which is the suitable perennial grass for lean periods__________________? |
| A. | Napier |
| B. | Anjan |
| C. | Para |
| D. | Marvel |
| Answer» B. Anjan | |
| 25. |
Which generate variability_________________? |
| A. | Mitosis |
| B. | Meiosis |
| C. | Peleiotropy |
| D. | None of the above |
| Answer» C. Peleiotropy | |
| 26. |
Which feature is not found in all living beings____________________? |
| A. | Energy storage in high high energy phosphate bonds |
| B. | Protein synthesis in ribosome’s |
| C. | Some triplet code for amino acids |
| D. | Types of protein occurring in the body |
| Answer» B. Protein synthesis in ribosome’s | |
| 27. |
Which are the necessary conditions for the hardy Weinberg principle for applying to genetic population________________? |
| A. | Low mutation population |
| B. | High mutation ratio and small population |
| C. | Selective mating and small population |
| D. | No migration and large population |
| Answer» C. Selective mating and small population | |
| 28. |
Where would you look for active cell division in a plant _____________________? |
| A. | Pith cells |
| B. | Cortex cells |
| C. | Internodes regions |
| D. | Tips of stem & roots |
| Answer» E. | |
| 29. |
When two genes are situated very close together in a chromosome_____________________? |
| A. | The percentage of crossing over between them is very |
| B. | Hardly any cross over are detected |
| C. | No crossing ever can ever takes place between them |
| D. | Only double cross over can take place between them |
| Answer» D. Only double cross over can take place between them | |
| 30. |
When red tall plant is crossed with dwarf white plant all the plants of F, are found to be tall red. which of the following ratio will be available when a test cross is made_________________? |
| A. | 3:1 |
| B. | 1:2:3 |
| C. | 1:1:1:1 |
| D. | 1:2:1 |
| Answer» D. 1:2:1 | |
| 31. |
When pollination and fertilization occur in unopened flower bud it is known as__________________? |
| A. | Hamogamy |
| B. | Cleistogamy |
| C. | Chasmogamy |
| D. | All the above |
| Answer» C. Chasmogamy | |
| 32. |
When an albino plant of maize (female) is crossed with normal green plant (male) all plants in the progeny are albino because___________________? |
| A. | Albinism is dominant over green characters |
| B. | Green plastids of male parent become nitrated |
| C. | Plastids are inherited through maternal parents |
| D. | Crossing over results in structural changes in green plastids |
| Answer» D. Crossing over results in structural changes in green plastids | |
| 33. |
When a wheat variety with red kernels (homozygous for two non allelic and independent dominant genes) is crossed with white kenneled wheat (homozygous for two recessive non allelic independent genes), the phenotypic ratio in the F2 generation would be________________? |
| A. | 9:3:3:1 |
| B. | 9:7 |
| C. | 9:9:9:3:3:3:1 |
| D. | 1:4:6:4:1 |
| Answer» E. | |
| 34. |
When a cell with 40 chromosomes undergoes meiosis each of the four resulting cells has_____________________? |
| A. | 10 chromosomes |
| B. | 20 chromosomes |
| C. | 40 chromosomes |
| Answer» C. 40 chromosomes | |
| 35. |
What is the function of Gorge bodies__________________? |
| A. | Photosynthesis |
| B. | Protein synthesis |
| C. | Segregation of the products of sunthesis |
| D. | RNA synthesis |
| Answer» D. RNA synthesis | |
| 36. |
Vertical resistance is also known as_________________? |
| A. | Race specific |
| B. | Oligogenic |
| C. | Qualitative |
| D. | All the above |
| Answer» E. | |
| 37. |
Various crosses made using a common tester are__________________? |
| A. | Top crosses |
| B. | Biparental cross |
| C. | Double cross |
| D. | Test cross |
| Answer» E. | |
| 38. |
Under drought conditions, there is an increase in__________________? |
| A. | Pro line level |
| B. | Ethylene level |
| C. | Abscisic acid |
| D. | All the above |
| Answer» E. | |
| 39. |
Two allelie genes are located on_______________________? |
| A. | Two homologous chromosomes |
| B. | Two non homologous chromosomes |
| C. | Any two chromosomes with one each |
| D. | Same chromosomes |
| Answer» B. Two non homologous chromosomes | |
| 40. |
Triticuin aestivuin is_________________? |
| A. | Triploid |
| B. | Teuaplioid |
| C. | Hexaploid |
| D. | Oetaploid |
| Answer» D. Oetaploid | |
| 41. |
Top cross was first suggested by__________________? |
| A. | Simmonds (1979) |
| B. | East (1908) |
| C. | Davenport (1908) |
| D. | Davis (1927) |
| Answer» E. | |
| 42. |
Tomato would not have turned red if__________________? |
| A. | They were kept at the bottom layer of box |
| B. | They were mixed with ripe apples |
| C. | There were no ripe apples in the box |
| D. | Less “hey”had been put in the box |
| Answer» D. Less “hey”had been put in the box | |
| 43. |
Three important law of heredity proposed by Mendel relate to___________________? |
| A. | Gene linkage, character se gregation and independent assortment |
| B. | Gene linkage, dominance and segregation |
| C. | Segregation, independent assortment and gene linkage |
| D. | Segregation, independent assortment and dominance recessive ness |
| Answer» E. | |
| 44. |
Theory of mutation was given by___________________? |
| A. | Mendel |
| B. | De Vries |
| C. | Tschermak |
| D. | Watson |
| Answer» E. | |
| 45. |
The variety of genes and genotypes found in a particular crop special are_____________________? |
| A. | Genetic diversity |
| B. | Genetic erosion |
| C. | Gene sanctuaries |
| D. | Field gene banks |
| Answer» B. Genetic erosion | |
| 46. |
The value of regression and correlation is the same when the correlation between two variables is________________? |
| A. | Imperfect |
| B. | Perfect |
| C. | Positive |
| D. | Negative |
| Answer» C. Positive | |
| 47. |
The term vertical resistance and horizontal resistance were first used by________________________? |
| A. | Van der plank (1963) |
| B. | Karpechenko (1927) |
| C. | Hull (1945) |
| D. | Correns (1900) |
| Answer» B. Karpechenko (1927) | |
| 48. |
The term useful heterosis was first used by__________________? |
| A. | Meredith and Bridge (1972) |
| B. | Richey (1914) |
| C. | Jenkins (1935) |
| D. | Hull (1950) |
| Answer» B. Richey (1914) | |
| 49. |
The term self incompatibility was coined by________________? |
| A. | Koelreuter (1763) |
| B. | Gerstel (1950) |
| C. | East (1940) |
| D. | None of the above |
| Answer» E. | |
| 50. |
The term recurrent selection was coined by_________________? |
| A. | Hull (1945) |
| B. | Hull (1950) |
| C. | Hays (1919) |
| D. | Garber (1955) |
| Answer» B. Hull (1950) | |