InterviewSolution
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InterviewSolution
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.
| 101. |
The auxin commonly used in tissue culture isA. IAAB. 2,4-DC. NAAD. Both (b) and ( c) |
| Answer» Correct Answer - B | |
| 102. |
Which of the following is most commonly used for creation of genetic variation ?A. PolyploidyB. HybridisationC. MutationD. genetic engineering |
| Answer» Correct Answer - B | |
| 103. |
Use of certain chemicals and radiation to change the seed base sequencesA. recombinant DNA technologyB. transgenic mechanismC. mutation breedingD. gene therapy |
| Answer» Correct Answer - C | |
| 104. |
Purity of seed is guranteed byA. ICARB. NBPGRC. National Seed CorporationD. All of the above |
| Answer» Correct Answer - C | |
| 105. |
Self pollination helps in:A. Pure line selectionB. Development of hybird vigourC. Development of more productive cropsD. None of the above |
| Answer» Correct Answer - A | |
| 106. |
Progeny of a cross made between two pure parents show increased vigour and productivity. This is due to:A. SelectionB. HybridizationC. HeterosisD. Mutation |
| Answer» Correct Answer - C | |
| 107. |
From horticulatural point of view, which of the following is most important ?A. Micropropagation and ovary cultureB. Pollen culuture and embryo cultureC. Endosperm culture and embryo cultureD. All of the above |
| Answer» Correct Answer - A | |
| 108. |
Which one will be a true diploid?A. A synkaryocyteB. A heterkaryocyteC. A cybridD. A pollen plant |
| Answer» Correct Answer - A | |
| 109. |
Cybrids are:A. HaploidB. DiploidC. TriploidD. Polyploid |
| Answer» Correct Answer - A | |
| 110. |
Cybrids are:A. Cytopasmic hybridsB. Nuclear hybridsC. MutantsD. Synkaryocytes |
| Answer» Correct Answer - A | |
| 111. |
Somatic hybrdization is used for froducing:A. Rare hybridsB. Intergeneric hybridsC. Interspecific hydridsD. All types of hybrids |
| Answer» Correct Answer - D | |
| 112. |
Light condition best for culture maintenance in culture chambers:A. Bright lightB. Duffused lightC. Dull lightD. Total darkness |
| Answer» Correct Answer - B | |
| 113. |
Best material for tissue culture is:A. EmbryoB. PollensC. MeristemsD. Vascular strands |
| Answer» Correct Answer - C | |
| 114. |
Crosses between, the plants of the same variety are calledA. interspecificB. intervarietalC. intravarietalD. intergeneric |
| Answer» Correct Answer - C | |
| 115. |
Any disturbance in the normal functioning of an organism is known asA. infectionB. diseaseC. Both (a) and (b)D. incubation |
| Answer» Correct Answer - C | |
| 116. |
Which plant species contains a neurotoxin named `Beta`-N-oxalyl amine alanine?A. Lathyrus sativusB. Pisum sativumC. SolanumD. Both (a) and ( c) |
| Answer» Correct Answer - A | |
| 117. |
Method of producing housands of plants through tissue calture is caled:A. Somatic hybridizationB. Micro-propagationC. Somaclone productionD. Vegetative propagation |
| Answer» Correct Answer - B | |
| 118. |
A plant introduced from a different country is known asA. exotic speciesB. native speciesC. Indigenous speciesD. Both (a) and (c ) |
| Answer» Correct Answer - A | |
| 119. |
Newly introduced plants from other place of country can be tested inA. greenhouseB. quarantineC. autoclaveD. All of these |
| Answer» Correct Answer - B | |
| 120. |
Bombay green banana is a result ofA. hybridisationB. pureline selectionC. mass selectionD. clonal selection |
| Answer» Correct Answer - D | |
| 121. |
Father of Green Revolution in India is:A. Norman BorlaugB. M.S. SwaminathanC. G.J. mendelD. None of these |
| Answer» Correct Answer - B | |
| 122. |
The technique by which an embryo of interspecific hybride recovered isA. embryo rescueB. somatic embryogenesisC. meristem cultureD. callius culture |
| Answer» Correct Answer - A | |
| 123. |
Haterosis is refered to as:A. Increased vigour in hybridB. Orgganogenesis in plantsC. Production os sporesD. Localized over growth |
| Answer» Correct Answer - A | |
| 124. |
Technique for production of disease-free plantsA. Clonal cultureB. tissue cultureC. polyploidyD. hybridisation |
| Answer» Correct Answer - B | |
| 125. |
The multiple shootlet production technique is used to get disease-free healthy plants ofA. potatoB. cassavaC. sugarcaneD. All of these |
| Answer» Correct Answer - D | |
| 126. |
Improved variestes of wheat suitable for indian climates have been delveloped byA. hybridisation and mutationB. mutation and cloningC. cloning of polyploidsD. polyploidy and hybridisation |
| Answer» Correct Answer - A | |
| 127. |
IARI is situated atA. New DelhiB. LucknowC. CuttackD. Hyderabad |
| Answer» Correct Answer - A | |
| 128. |
Best method of improving crop yield is:A. To sow seeds of improved varietyB. Use proper manureC. Proper use of fungicides and pesticides during growthD. All of the above |
| Answer» Correct Answer - D | |
| 129. |
The method most useful for improving potato plant isA. purelineB. inbreed lineC. mass selectionD. clonal selection |
| Answer» Correct Answer - D | |
| 130. |
Main varieties of potato areA. tetraploidsB. triploidsC. aneuploidsD. diploids |
| Answer» Correct Answer - A | |
| 131. |
Breeding of new vaeiety of potato is carried out at:A. CPRI, ShimlaB. CPRI, PatnaC. CRRI, CuttackD. IARI, New Delhi |
| Answer» Correct Answer - A | |
| 132. |
RR-21 is a high yeilding variety ofA. riceB. wheatC. gramD. sugarcane |
| Answer» Correct Answer - B | |
| 133. |
Part of plant used for culturing is calledA. scionB. explantC. stockD. callus |
| Answer» Correct Answer - B | |
| 134. |
The oldest plant breeding method isA. introductionB. selectionC. hybridisationD. mutation breeding |
| Answer» Correct Answer - B | |
| 135. |
Disease resistance crop is obtained byA. crossig with new varietiesB. crossing with wild varietiesC. injecting with organic compoundsD. None of the above |
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Answer» Correct Answer - B |
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| 136. |
Diploid wheat is:A. Triticum monococcumB. Triticum aestivumC. Triticum durumD. Triticum turgidem |
| Answer» Correct Answer - A | |
| 137. |
A cybrid is hybrid carryingA. genomes and cytoplast of two different plantsB. cytoplasm of two different plantsC. cytoplasms of two dfferent plants, but genome of one plantD. genome of two different plants |
| Answer» Correct Answer - C | |
| 138. |
Pusa Lerma and Sharbati Sonara areA. introduced Mexican varietiesB. mutants of Mexican varitiesC. mutants of Indian varietiesD. Indian varieties improved through hybridisation with introduced varieties. |
| Answer» Correct Answer - B | |
| 139. |
Dipoid polant can be made polyploid with the help of:A. TTCB. GAC. ColchicineD. IAA |
| Answer» Correct Answer - C | |
| 140. |
IR-36 was developed through breeding ofA. 6 rice varieties with Oryza sativaB. 13 rice varieties with Oryza sativaC. Oryza sativa and Oryza indicaD. Oryza indica and Oryza nivara |
| Answer» Correct Answer - D | |
| 141. |
IR-8 variety of paddy is introduced in india from:A. JapanB. ChinaC. Sri lankaD. Philippines |
| Answer» Correct Answer - D | |
| 142. |
Triploidy can be induced in:A. BananaB. WatermelonC. Apples and pearsD. All of these |
| Answer» Correct Answer - D | |
| 143. |
BOD incubators are used in:A. Inculation chamberB. SterilizationC. Groeing callus and plantletsD. Acclimatization of plantlets |
| Answer» Correct Answer - C | |
| 144. |
During autoclaving the temperature inside autoclave is:A. `100^(@)C`B. `110^(@)C`C. `121.6^(@)C`D. `131.5^(@)C` |
| Answer» Correct Answer - C | |
| 145. |
Cellular totipotency was first demonstrated by:A. F.C. StewardB. T. SchwannC. A.V. LeeuwenhoekD. Robert Brown |
| Answer» Correct Answer - A | |
| 146. |
Assertion: Genetic variations provide raw material for selection. Reason: Genetic variations are differences in genotypes of the individuals.A. Both Assertion and Reason are true and Reason is correct explanation of Assertion.B. Both Assertion and Reason are true, but reason is not the correct explanation of AssertionC. Assertion is true, but the Reason is falseD. Assertion is false, but the Reason is true |
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Answer» Correct Answer - B Creation of genetic variation and selection are the two critical steps in the plant breeding. Genetic variations are difference in genotypes of the individuals which airse due to genetic reasons. Genetic variations provides the raw material for selection and selection effects the desired improvement. |
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| 147. |
An amophous mass of thin-walled cells is called asA. callusB. suspensionC. somatic embryoD. androgenic |
| Answer» Correct Answer - A | |
| 148. |
Mass propagation of Dioscored floribunds using mericloning has been done at:A. IARI, New DelhiB. CDRI, LucknowC. CIMAP,LucknowD. CCMB,Hyderabad |
| Answer» Correct Answer - C | |
| 149. |
Bagging is done toA. achieve desired pollinationB. prevent contamination of unwanted pollenC. avoid ferilisationD. Both (a) and (b) |
| Answer» Correct Answer - B | |
| 150. |
Another name of hybrid vigous isA. heterosisB. aberrationC. male sterilityD. hybridisation |
| Answer» Correct Answer - A | |