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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 351. |
An improved variety of transgenic basmati riceA. give high yeild but no characteristic aromaB. does not require chemical fertilizer and growth hormonesC. gives high yield and rich in vit. AD. is resistant to all insect pests and diseases of paddy |
| Answer» Correct Answer - C | |
| 352. |
One of the commonly used plant growth hormone in tea plantations isA. EthyleneB. abscisic acidC. ZeatinD. indole-3-acetic acid and IBA |
| Answer» Correct Answer - D | |
| 353. |
Cross between two species of the same genus isA. Intraspecific hybridisationB. Intervarietal hybridisationC. Interspecific hybridisationD. Intergeneric hybridisation |
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Answer» Correct Answer - C Cross between two species of the same genus is interspecific hybridisation. |
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| 354. |
Technique that was employed to produce haploids of Datura wasA. Meristem cultureB. Anther cultureC. Embryo cultureD. Protoplast culture |
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Answer» Correct Answer - B Technique that was employed to produce haploids of Datura was anther culture. |
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| 355. |
Haploids from anther were first obtained fromA. BrassicaB. DaturaC. NicotianaD. Grssypium |
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Answer» Correct Answer - B Haploids from another were first obtained from Datura. |
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| 356. |
Higher milk yielding best breed of milch cattle in the world isA. brown jerseyB. ongoleC. holstein-friesianD. hallikar |
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Answer» Correct Answer - C Higher milk yeilding best breed of milch cattle in the world is Holstein-Friesian. |
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| 357. |
Tissue culture technique can produce indefinite number of new plants from a small parental tissue. The economic importance of the technique is in raisingA. Variants through picking up somaclonal variationsB. Genetically uniform population of an elite speciesC. Homozygous diploid plantsD. Development of new species |
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Answer» Correct Answer - B Tissue culture technique can produce indefinite number of new plants from a small parental tissue. The economic importance of the technique is in raising genetically uniform population of an elite species. |
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| 358. |
Which of the following points are important for successful bee-keepinf? (i) Knowledge of the nature and habits of bees. (ii) Selection of suitable location for keeping the beehives. (iii) Management of beehives different seasons. (iv) Cross hybridisation among the selected parents.A. (i),(iii) and (iv)B. (ii) and (iv)C. (i), (ii) and (iii)D. (i) and (iii) |
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Answer» Correct Answer - C Following points are important for successful beekeeping: (i) Knowledge of the nature and habits of bees. (ii) Selection of suitable location for keeping the beehives. (iii) Management of beehives during different seasons. (iv) Catching and hiving of swarms. (v) Handing and collection of honey and beeswax. |
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| 359. |
Name the species of honey bee, which is used for commerical production of honey.A. Apis dorsataB. Apis indicaC. Apis floreaD. Apis mellifera |
| Answer» Correct Answer - D | |
| 360. |
What is the average fat content of buffalo milk ?A. 0.072B. 0.045C. 0.09D. 0.109 |
| Answer» Correct Answer - A | |
| 361. |
Inbreeding is carried out in animal husbandry because itA. inrease vigourB. improves the breedC. increase hetrozygosityD. increases homozygosity |
| Answer» Correct Answer - d | |
| 362. |
Which one of the following is not a fungal disease ?A. Rust of wheatB. Smut of BajraC. Black rot of crucfersD. Red rot of sugarcane |
| Answer» Correct Answer - c | |
| 363. |
Which one of the following is not a fungal diseaseA. Rust of wheatB. Smut of BajraC. Black rot of crucifersD. Red rot of sugarcane |
| Answer» Correct Answer - C | |
| 364. |
Which is a fungal disease of poultry?A. AnthraxB. RanikhetC. Foot and mouthD. Pebrin |
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Answer» Correct Answer - B A disease of poultry is Ranikhet. |
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| 365. |
Which one of the following is not a fungal disease ?A. Rust of wheatB. Smut of BajraC. Black rot of crucifersD. Red rod of sugarcane |
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Answer» Correct Answer - C Black rot of crucifer is bacterial disease. |
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| 366. |
The latest trend in plant disease control isA. Chemical controlB. Biological controlC. Use of fertilizersD. Use of disease resistant varieties |
| Answer» Correct Answer - D | |
| 367. |
Sonalika and Kalyan Sona are varieties ofA. wheatB. riceC. milletD. tobacco |
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Answer» Correct Answer - A Sonalika and kalyan Sona are high yielding and disease resistant varieties of wheat. |
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| 368. |
The scientific process by which crop plants are enriched with certain desirable nutrients is calledA. crop protectionB. breedingC. bio-fortificationD. bio-remediation |
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Answer» Correct Answer - C Breeding of crops with higher levels of vitamins and minerals or higher protein and healthier fats is called biofortifications. This is the most practical aspect to improve nutritional value of food. |
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| 369. |
Which one of the following is not a fungal disease ?A. Rust of wheatB. Smut of BajraC. Black rot of crucifersD. Red rot of sugarcane |
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Answer» Correct Answer - C The pathogen responsible for black rot of crucifer is a bacterium Xanthomonas campestris. It lives on the plant residue in the soil or in the seed. |
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| 370. |
Use of certain chemicals and radiation to change the base sequences of genes of crop plants is termedA. recombinant DNA technologyB. transgenic mechanismC. mutations breedingD. gene therapy |
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Answer» Correct Answer - C Mutation is the process by which genetic variations are created through changes in the base sequence within genes resulting in the creation of a new character of a new character or trait not found in the parental type. It is possible to induce mutations artificially through use of chemicals or relations (like gamma relations), and selecting and using the plants that have desirable character as a source in breeding. This process is called mutations breeding. |
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| 371. |
Fungicides and antibiotics are chemicals thatA. enhance yield and disease resistanceB. kill pathogenic fungi and bacteria, re- spectivelyC. kill all pathogenic microbesD. kill pathogenic bacteria and fungi re- spectively |
| Answer» Correct Answer - b | |
| 372. |
Which part is most suitable for raising virus free plants in micropropagation ?A. BarkB. NodeC. Vascular tissueD. Meristem |
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Answer» Correct Answer - D Meristem is most suitable for raising virus free plants in micropropagation. |
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| 373. |
Pusa komal variety of Cow pea is resistant to diseasesA. white rustB. leaf curlC. Bacterial blightD. Hill bunt |
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Answer» Correct Answer - C Pusa Komal variety of Cow Pea is resistant to disease bacterial blight. |
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| 374. |
When two unrelated individuals or lines are crossed, the performance of `F_(1)` hybrids is often superior to both its parents. The phenomenon is calledA. MetamorphosisB. HeterosisC. splicingD. Transformation |
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Answer» Correct Answer - B When two unrelated individuals or lines are crossed, the performance of `F_1` hybrids is often superior to both its parents. The phenomenon is called heterosis. |
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| 375. |
Purposeful manipulation of plant species in order to create desire plant type that are better suited for cultivation give better yeilds and disease resistance isA. Hybrid breedingB. Tissue cultureC. BiofortificationD. Plant breeding |
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Answer» Correct Answer - D Purposeful manipulation on plant species in order to creat desired plant type that are better suited for cultivation, give better yields and disease resistant is plant breeding. |
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| 376. |
A herd of cattle is showing reduced fertility and productivity . Provide one reason and one suggestion to overcome this problem. |
| Answer» (i) Due to inbreeding depression (ii) Cross breeding. | |
| 377. |
What is the purpose of producing haploid plants ? |
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Answer» Haploids are always pure because they possess only one set of chromosomes. They are useful for induction of mutation (i.e., mutation breeding). Haploids are also used in production of homozygous pure line doubling of chromosomes. Guha and Maheshwari (1964) were first Indian scientists to produce haploid plants by culturing anthers of Datura innoxica. |
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| 378. |
What is gene plantation ? |
| Answer» Cultivation of selected/rare Varieties (wild or agricultural) of plants in gardens and arboretums for conservation of genetic resources is called gene plantation. | |
| 379. |
Which one of the following is commonly used in transfer of foreign DNA into crop plants Or Insect tolerant gene from Bacillus thuringiensis is introduced using T plasmid of Or Which of the following has been used as cloning vectorA. Trichoderma harzianumB. Meloidogyne incognitaC. Agrobacterium tumefuciensD. Penicillium expansum |
| Answer» Correct Answer - C | |
| 380. |
Biofortified maize hybrids are improved forA. Protein contentB. Micronutrient and mineral contentC. Amino acid contentD. All of the above |
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Answer» Correct Answer - C In 2000, Maize hybrids were developed that had twice the amount of amino acid lysine and tryptophan. |
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| 381. |
What is the major advantage of producing plants by micropropagation ? |
| Answer» Micropropagation is tissue-culture method which is used produce thousands of plants in very short durations. | |
| 382. |
Which part of the plant is best suited for making virus free plants |
| Answer» Correct Answer - The apical or axillary meristems | |
| 383. |
Best aquarium is located atA. New DelhiB. LucknowC. Trarapur,mumbaiD. Kolkata |
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Answer» Correct Answer - C Best aquarium is located at Tarapur, Mumbai. |
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| 384. |
List the various methods used for crop improvement. |
| Answer» The various methods of crop improvement are selection, hybridisation, polyploid breeding, induced mutations, tissue culture and genetic engineering. | |
| 385. |
In crop improvement programme, haploids are important because theyA. Require one half of nutrientsB. Are helpful in study of meiosisC. Grow better under adverse conditionsD. From perfect homozygous individuals diploidisation |
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Answer» Correct Answer - C In crop improvement programme, haploids are important because they grow better under adverse conditions. |
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| 386. |
As traditional techniques failed to keep pace with demand and to provide sufficiently fast and efficient systems for crop improvement, another technology called______got developed |
| Answer» Correct Answer - Tissue culture | |
| 387. |
Which is not protein enriched crop, developed at IARI?A. SpinachB. French beansC. garden peasD. Broad beans |
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Answer» Correct Answer - A In 2000, Maize hybrids were developed that had twice the amount of amino acid lysine and tryptophan. |
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| 388. |
International centre for whea and Maize improvement is situated atA. PhilippinesB. New DelhiC. SwitzerlandD. Mexico |
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Answer» Correct Answer - D International centre for wheat and maize improvement is situated at mexico. |
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| 389. |
Write the full forms of the following (a) SCP (b) IARIA. Indian Apple Reserch instituteB. International Agriculture Reserch instituteC. International Advance Reserch instituteD. Indian Agricultral reserch Institute |
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Answer» Correct Answer - D Full form of IARI is indian agricultural research institute. |
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| 390. |
IRRI stands for theA. Indian Rice Reserch instituteB. Indian Radiation research instituteC. International Rice Reverse InstituteD. International Rice reaserch institute. |
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Answer» Correct Answer - D IRRI stands for the international rice research institute. |
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| 391. |
International Rice Research Institute (IRRI) is located at :A. philippinesB. New delhiC. SwitzerlandD. Mexico |
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Answer» Correct Answer - A IRRI is situated at New delhi. |
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| 392. |
DNA probes are used in human forA. Disease diagnosisB. Disease controlC. Disease resistanceD. Disease tolerance |
| Answer» Correct Answer - A | |
| 393. |
Inbreeding refers to the mating of more closely related individuals within the same breed for ______generations |
| Answer» Correct Answer - 4 to 6 | |
| 394. |
Assertion: Breeding weeding, feeding and heeding are essential methods for livestock production. Reason : Livestock management deals with processes and systems that increase yield and improve quality of products.A. If both assertion and reason are true and reason is the correct explanation of assertion.B. If both assertion and reason are true but reason is not the correct explanation of assertionC. If assertion is true bur reason is false.D. if both assertion and reason are false. |
| Answer» Correct Answer - B | |