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.
| 251. |
Global gene bank of Potato is located at_____________________? |
| A. | Columbia |
| B. | Florida |
| C. | CIP Peru |
| D. | None of the above |
| Answer» D. None of the above | |
| 252. |
Global gene bank of sorghum is located at_______________________? |
| A. | ICRISAT |
| B. | ICARDA |
| C. | CIP Peru |
| D. | None of the above |
| Answer» B. ICARDA | |
| 253. |
Global gene bank of barley is located at__________________? |
| A. | ICARDA |
| B. | Florida |
| C. | CIP |
| D. | ICRISAT |
| Answer» B. Florida | |
| 254. |
Germplasm gene banks for different crop plants in world are about_____________________? |
| A. | 980 |
| B. | 1080 |
| C. | 1200 |
| D. | 1100 |
| Answer» B. 1080 | |
| 255. |
germplasm which is meant for short term storage (3 to 5 years) is known as___________________? |
| A. | Exotic collection |
| B. | Working collection |
| C. | Indigenous collection |
| D. | None of the above |
| Answer» C. Indigenous collection | |
| 256. |
Germplasm collected within the country is known as____________________? |
| A. | Active collection |
| B. | Working collection |
| C. | Indigenous collection |
| D. | Exotic collection |
| Answer» D. Exotic collection | |
| 257. |
Genetic selection was proposed by_________________? |
| A. | Richy (1927) |
| B. | Stadler (1944) |
| C. | Hull (1945) |
| D. | East (1920) |
| Answer» C. Hull (1945) | |
| 258. |
Genetic male sterility is controlled by_________________? |
| A. | Allelic genes |
| B. | Non alleleic genes |
| C. | nuclear genes |
| D. | All the above |
| Answer» D. All the above | |
| 259. |
Genetic correlation between two variables may be due to___________________? |
| A. | Gene interaction |
| B. | Peliotropy |
| C. | Dominance |
| D. | Selection differential |
| Answer» C. Dominance | |
| 260. |
Gene responsible for the synthesis of repressor is called__________________? |
| A. | Operator gene |
| B. | Structural gene |
| C. | Regulator gene |
| D. | Promotor gene |
| Answer» D. Promotor gene | |
| 261. |
Gene pool consist of____________________? |
| A. | Modern cultivars |
| B. | Advanced breeding materials |
| C. | Land race |
| D. | All the above |
| Answer» E. | |
| 262. |
Gene for gene hypothesis was proposed by__________________? |
| A. | Nelson (1973) |
| B. | Flor (1956) |
| C. | Robinson (1971) |
| D. | Vander plank (1963) |
| Answer» C. Robinson (1971) | |
| 263. |
Gametophytic self incompatibility was first reported in___________________? |
| A. | Lena sativa |
| B. | Nicotine sandarac |
| C. | Set aria sphacelata |
| D. | Scale cereals |
| Answer» C. Set aria sphacelata | |
| 264. |
Gamatophytic system of self incompatibility was first discovered by____________________? |
| A. | Frankel (1977) |
| B. | Bresbaker (1958) |
| C. | Hughes and Babceek |
| D. | East and Mangelsdref (1925) |
| Answer» E. | |
| 265. |
From which part of the coconut tem coir is obtained_____________________/ |
| A. | Endosperm |
| B. | Per carp of fruit |
| C. | Leaf |
| D. | Inflorescence |
| Answer» C. Leaf | |
| 266. |
From a single ear of corn a farmer planted 300 kernels which produced 225 tall and 75 short plants. the genotype of these offsprings are most likely to be_____________________? |
| A. | TT and Tt only |
| B. | TT and tt only |
| C. | Tt and Tt only |
| D. | TT Tt and tt |
| Answer» E. | |
| 267. |
First intergeneric hybrid between radish and cabbage was made by__________________? |
| A. | Jones (1917) |
| B. | Muller (1927) |
| C. | Fray (1966) |
| D. | Karechenko (1927) |
| Answer» E. | |
| 268. |
Fertilization in a flower occurs within the____________________? |
| A. | Pollen tube |
| B. | Anther |
| C. | Style |
| D. | Ovule |
| Answer» E. | |
| 269. |
Evolution proceed on account of____________________? |
| A. | Conversion pf organism to change of environment |
| B. | Fossils |
| C. | Adaptations through genervation |
| D. | Struggle for existence |
| Answer» D. Struggle for existence | |
| 270. |
Evolution may be described as___________________? |
| A. | History of development of larger biological units |
| B. | Cntinuous genetic variation |
| C. | Inheritance of acquired characters |
| D. | Discontinuous genetic variation |
| Answer» D. Discontinuous genetic variation | |
| 271. |
Eugenics refers to__________________? |
| A. | Science concerned with improvement of heredity of animals |
| B. | Science concerned with improvement of heredity of human race |
| C. | Experimental alterations in the structure of the genes |
| D. | Genetics of eukaryotes |
| Answer» C. Experimental alterations in the structure of the genes | |
| 272. |
Estimation of correlation form error variances and covariance’s is________________? |
| A. | Genotypic correlation |
| B. | Phenotypic correlation |
| C. | Simple correlation |
| D. | Environmental correlation |
| Answer» B. Phenotypic correlation | |
| 273. |
Erucic acid is found is_____________________? |
| A. | Safflower |
| B. | Til |
| C. | Soybean |
| D. | Mustard |
| Answer» E. | |
| 274. |
Epitasis implies_____________________? |
| A. | One gene pair enhances phenotype expression of another gene pair |
| B. | Many gene together control a parucular phenotype |
| C. | One pair of gene can completely mask the expression of another gene pair |
| D. | One gene pair independently controls a phenotype |
| Answer» D. One gene pair independently controls a phenotype | |
| 275. |
Episodes may be factor in____________________? |
| A. | Dominance |
| B. | Cytoplasm inheritance |
| C. | Incomplete dominance |
| D. | Chromosomal inheritance |
| Answer» B. Cytoplasm inheritance | |
| 276. |
Electron microscope was invented by _________________? |
| A. | Knoll and Risks |
| B. | Schwaan |
| C. | Sigmund |
| D. | Robert Hook |
| Answer» B. Schwaan | |
| 277. |
Edible part of pomegranate is____________________? |
| A. | juicy test |
| B. | juicy epicure |
| C. | juicy hairs |
| D. | Monocarp |
| Answer» B. juicy epicure | |
| 278. |
Edible part of orange is__________________? |
| A. | Unexcelled endocarp hair |
| B. | Unicelled placenta hairs |
| C. | Multicelled endocarpic hair |
| D. | Multicelled placental hairs |
| Answer» D. Multicelled placental hairs | |
| 279. |
Duplication of chromosomes occurs during_________________? |
| A. | Mitosis only |
| B. | Meiosis |
| C. | Mitosis and meiosis |
| D. | None of the above |
| Answer» D. None of the above | |
| 280. |
Drought tolerance is associated with ____________________? |
| A. | Deep root system |
| B. | Small waxy and thick leaves |
| C. | Sunken, small and less stomata |
| D. | All of the above |
| Answer» E. | |
| 281. |
Drought resistance is associated with___________________? |
| A. | Biochemical factors |
| B. | Physiological factors |
| C. | Morphological factors |
| D. | all the above |
| Answer» E. | |
| 282. |
Drought is measured in terms of________________? |
| A. | Yield performance |
| B. | Photosynthesis |
| C. | Root length of seedings |
| D. | All the above |
| Answer» E. | |
| 283. |
Dominance hypothesis of heterosis was first proposed by__________________? |
| A. | Davenport (1908) |
| B. | Shull (1914) |
| C. | Bruce (1910) |
| D. | Davis (1927) |
| Answer» B. Shull (1914) | |
| 284. |
DNA is genetic material was first discovered by____________________? |
| A. | Attmann (1889) |
| B. | Crick (1953) |
| C. | Sressler (1968) |
| D. | Avery et al (1944) |
| Answer» E. | |
| 285. |
Dispersal of seeds by parachute mechanism is present in__________________? |
| A. | Onion |
| B. | Tomato |
| C. | Cotton |
| D. | Sorghum |
| Answer» D. Sorghum | |
| 286. |
Disease and insect resistance is governed by________________? |
| A. | Plasma genes |
| B. | Polygenes |
| C. | Oligogenes |
| D. | All the above |
| Answer» E. | |
| 287. |
Discriminant function of plant selection was suggested by____________________? |
| A. | Smith (1936) |
| B. | Yates (1947) |
| C. | Griffing (1956) |
| D. | Kempt Horne (1957) |
| Answer» B. Yates (1947) | |
| 288. |
Diocious plant is____________________? |
| A. | Papaya |
| B. | Datepalm |
| C. | Hemp |
| D. | All the above |
| Answer» E. | |
| 289. |
Difference between mean phenotypic value of the progeny of selected plants and the parental population is known as__________________? |
| A. | Genetic gain |
| B. | Genetic advance |
| C. | Heritability |
| D. | Coheritability |
| Answer» C. Heritability | |
| 290. |
Diagrammatic representation of the chromosomes of an organism arranged according to their size is called_____________________? |
| A. | Ideogram |
| B. | Gene map |
| C. | Karyotype |
| D. | Phenotype |
| Answer» B. Gene map | |
| 291. |
Development of embryo from egg cell without fertilization is known as___________________? |
| A. | Apogamy |
| B. | Parthenogenesis |
| C. | Apospory |
| D. | Autogamy |
| Answer» C. Apospory | |
| 292. |
Dee-Geo-Woogen is the source of dwarfing gene in___________________? |
| A. | Wheat |
| B. | Sorghum |
| C. | Maize |
| D. | Rice |
| Answer» E. | |
| 293. |
Cytoplasmic sterility is govemed by________________________? |
| A. | Nuclear genes |
| B. | Plasma genes |
| C. | Monoalleleic genes |
| D. | None of the above |
| Answer» C. Monoalleleic genes | |
| 294. |
Cytoplasmic genetic male sterility was first discovered by___________________? |
| A. | Jones and Davies (1944) |
| B. | Devaries and Correns (1900) |
| C. | Bruce and Keeble (1908) |
| D. | Nilson (1900) |
| Answer» B. Devaries and Correns (1900) | |
| 295. |
Cytoplasm fills of the cavity of a cell when if is young. But in nature cells, the cytoplasm________________? |
| A. | Becomes vacuolated |
| B. | Disappears completely |
| C. | Contracts |
| D. | Disintegrates partially |
| Answer» B. Disappears completely | |
| 296. |
Cuscuta is an object ional weed of_____________________? |
| A. | Cowpeas |
| B. | Berseem |
| C. | Sorghum |
| D. | Luceru |
| Answer» E. | |
| 297. |
Convergent improvement was proposed by________________? |
| A. | Jones (1920) |
| B. | Richy (1920) |
| C. | Hays (1919) |
| D. | East (1920) |
| Answer» C. Hays (1919) | |
| 298. |
Continuous variation are attrions are attributed to____________________? |
| A. | Crossingover |
| B. | Polyploidy |
| C. | Mutations |
| D. | Linkage |
| Answer» B. Polyploidy | |
| 299. |
Conservation of germplasm under natural condion is called_________________? |
| A. | In-situ conservation |
| B. | Gene bank |
| C. | Ex-situ conservation |
| D. | Obsolute cultivars |
| Answer» B. Gene bank | |
| 300. |
Concept of triple test cross of analysis was developed by____________________? |
| A. | Kearsey and Jinks (1960) |
| B. | Mather (1949) |
| C. | Anderson (1957) |
| D. | Fisher (1960) |
| Answer» B. Mather (1949) | |