JRF Plant Science Paper 2020 ExamupsExamups| Categories: Plant science ICAR JRF Paper Plant Science JRF Old Paper /60 Plant Science Paper 2020 Pdf Send on Email The hormone needed for cell division during germination of seed is? Abscisic acid Cytokinin Gibberelin Ethylin Toxic shock syndrome, a severe infection characterized by high fever and vomiting is caused by? Staphylococcus aureus Enterococcus foecalis Streptococcus pyogenes Bacillus anthracis Which one of the following bacterial pathogenic genus is classified under Gram-negative aerobic and microaerophilic rods? Pantoea Acidovorax Enterobacter Erwinia Which of the following is NOT a non-sense codon? UAG UAA AUG UGA Which of the following statements is NOT true for Koch’s postulates? 1. A specific organism can always be found in association with a given disease 2. The organism can be isolated from a diseased animal and grown in pure culture in the laboratory 3. The pure culture will produce the disease when inoculated into a resistant animal 4. The pure culture will not produce the disease when inoculated into a susceptible animal 5. It is possible to recover the organism in pure culture from the experimentally infected animal Choose the correct answer from the options given below: C, D and E only C only C and E only C and D only Given below are two statements: Statement I: Potato is essentially a crop of cool moist regions and grows best in a climate where cool nights alternate with warm days during the period of tuber formation Statement II: Irrigation or rainfall at or just before the initiation of tuber the formation will result in a decrease in the number of tuber sets In the light of the above statements, choose the most appropriate answer from the options given below Statement I is correct but Statement II is false Both Statement I and Statement II are true Both Statement I and Statement II are false Statement I is incorrect but Statement II is True The scientific name of Oil palm is? Olea europea Elaeis guineensis Ricinus communis Sesamum indicum Cell theory was put forward by? Leeuwenhoek Calvin & Malvin Singh & Nicolsan Schleiden & Schwann Which one of the following species has an inflorescence of terminal digitate spikes of spikelets? Eleusine coracana Panicum sumatrense Panicum miliaceum Setaria italica In which of the following seed storage conditions, the longevity of the seeds would be maximum? Dehumidified with low temperature (5-8 °C) storage Normal ambient storage Moisture proof storage Dehumidified storage only The purity standard of certified seeds of carrot is? 98% 95% 97% 70% The first product to be tagged with GI in India is? Organic tea Nilgiri Tea Assam Tea Darjeeling tea Given below are two statements? Statement I: Higher the degree of cross-pollination in crops, the more will be the isolation distance requirement Statement ll: self-pollinated crops need more isolation distance like cross-pollinated crops In light of the above statements, choose the most appropriate answer from the options are given below Statement I is incorrect but Statement I is true Both Statement I and Statement II are false Statement I is correct but Statement II is false Both Statement I and Statement II are true Match ListI with List-II: List I List II Organelle Function A. Mitochondrna i. Packaging protein, lipid, and phospholipid for transport to other cells B. Endoplasmic reticulum ii. Oxidation of carbohydrate, lipid, and protein C. Lysosomes III. Digestion of intra-cellular substances and foreign material D. Golgi complex IV. Provide passage for mRNA from the nucleus to cytoplasm Choose the correct answer from the options given below: A-II, B-IV, C-I, D-III A-I, B-II, C-III, D-IV A-II, B-IV, C-III, D-I A-II, B-I, C-III, D-IV The degree of compost maturity can be assessed by? Infrared technique only Seed germination test only Both, seed germination test and infrared technique Moisture content only Given below are two statements? Statement I: Spatial and temporal transmission of plant pathogens are in general guided by asexual and sexual spores Statement II: Bacterial pathogens produce asexual cells In the light of the above statements, choose the most appropriate answer from the options given below Statement I is correct but Statement II is false Both Statement I and Statement II are false Both Statement I and Statement II are true Statement I is incorrect but Statement II is true Given below are two statements? Statement I: The process of CTC in tea stands for Crushing, Tearing, and Curling Statement II: The process of CTC in tea stands for Curling, Tearing, and Crushing In the light of the above statements, choose the most appropriate answer from the options given below Both Statement I and Statement ll are true Statement l is incorrect but Statement ll is True Statement I is correct but Statement ll is false Both Statement I and Statement ll are false Match List I with List lI List I (Theory) List II (Scientist who proposed) A. Cell theory I. Clarence P Oliver B. Chromosomal theory of inheritance II. Schleiden, Schwann, and Virchow C. Divisibility of gene III. Vernon Ingram D. One gene-one polypeptide IV. Walter Sutton and Theodor Boveri Choose the correct answer from the options given below A-IV, B-III, C-II, D-I A-II, B-I, C-IV, D-III A-III, B-II, C-I, D-IV A-II, B-IV, C-I, D-II The seed dormancy can be detected by? Vigor test Tetrazolium test Purity test Germination test Given below are two statements? Statement I: Nitrogenase enzyme is sensitive to molecular oxygen Statement II: Bacteria of genus Azospirillum fix nitrogen under microaerophilic conditions In the light of the above statements, choose the most appropriate answer from the options are given below Statement II is correct but Statement I is false Both Statement I and Statement II are false Statement I is correct but Statement II is false Both Statement I and Statement II are true Given below are two statements: Statement I: Xanthomonas causes disease on fiber plant parts Statement II: Xanthomonas can cause vascular wilt in rice In light of the above statements, choose the most appropriate answer from the options given below: Statement I is correct but Statement II is false Both Statement I and Statement II are true Statement I is incorrect but Statement II is true Both Statement I and Statement II are false Arrange these Conventions and Treaties in ascending order of year they entered into force? A. World Trade Organization-Trade Related Aspect of Intellectual Property Rights (WTO-TRIPS) B. Convention on Biological Diversity (CBD) C. Nagoya Protocol on Access and Benefit Sharing (NP) D. Geographical Indication of Goods (Registration and Protection, GI Act E. International Treaty on Plant Genetic Resources for Food and Agriculture (ITPGRFA) D, B, A, E, C A, B, D, E, C B, D, A, E, C E, C, B, A, D The National Genebank Facility to conserve plant genetic resources in India is located at? Chennai (Tamil Nadu) New Delhi (Delhi) Hyderabad (Telangana) Ahmedabad (Gujarat) The minimum standard of seed germination (%) for seed certification in maize is? 95 85 80 90 With regard to the cultivation of groundnut, which of the following statements are correct? 1. Groundnut is a warm-season crop requiring abundant sunshine 2. Well-drained sandy loams are most favorable for growing groundnut 3. Groundnut is propagated through whole pods, decorticated seeds or from seedlings 4. Groundnut is widely grown in coastal and deltaic regions 5. Groundnut takes six to nine months to mature Choose the correct answer from the options given below: B, C, D only C, D, E only A, B, C only A, D, E only Which one of the following viruses is transmitted by pollen? Papaya ringspot virus Tospovirus Tobravirus Prunus necrotic ringspot virus End product of Glycolysis is? Pyruvic acid Fructose-1-Phosphate Glucose-1-Phosphate Acetyl CoA The tag for Breeders Seed is issued by? Independent organization operated under the state government State Seed Certification Agency Central Seed Certification Agency Concerned Breeder of the variety When two self-incompatible but cross-compatible parental lines are inter-planted, the seeds harvested from both the self-incompatible lines will be? Hybrid seeds Composite seeds Inbred seeds Selfed seeds Cell wall of archaebacteria do not contain? Peptidoglycans Polysaccharides Proteins Glycoproteins Given below are two statements: Statement I: Leaf curl is one of the symptoms of viral disease Statement II: Fungi can also cause leaf curl symptoms In light of the above statements, choose the most appropriate answer from the options given below: Statement I is incorrect but Statement II is true Both Statement I and Statement II are false Both Statement I and Statement II are true Statement I is correct but Statement II is false Which of the following statements are correct with respect to fibers or fiber-yielding plants? 1. Vegetable fibres are mainly composed of cellulose 2. Vegetable fibres are mainly composed of proteins 3. Fibre durability is conditioned by the diameter of the fiber or fibrous aggregate 4. The flexible wall of cotton fiber contains no lignin Choose the correct answer from the options given below: A, B, D only A, C, D only B, C, D only A, B, C only The isolation distance required for the production of certified seeds of maize composite variety is? 300 m 200 m 50 m 100 m How many linkage groups are present in maize (Zea mays L)? 20 10 13 12 Translocation of carbohydrates in plants usually occurs in the form of? Starch Glucose Maltose Sucrose The genome of Triticale is designated as? AABBDD AABB AABBCC AABBRR Vertical resistance is useful in crop improvement program for importing resistance? 1. Because of their monogenic nature 2. Because of their polygenic nature 3. The pathogen can break their resistance by evolving new race 4. The pathogen cannot break this resistance 5. Vertical resistance will work against biotrophic pathogens Choose the correct answer from the options given below: B, C, D Only Answer Not Found (Comment Right Answer) C, D, E Only A,C, E Only A, B, C Only The yield of inbred A is 40 a/ha, inbred B is 20 q/ha, check hybrid yield is 45 a/ha and the yield of hybrid (A x B) is 50 q/ha. The standard heterosis (%) is? 25% 66.6% 50% 11.1% Given below are two statements: Statement I: Witches broom symptoms are caused by phytoplasmas Statement II: Nutrient deficiency also causes witches broom in crop plants In light of the above statements, choose the most appropriate answer from the options given below: Both Statement I and Statement II are true Statement I is correct but Statement II is false Both Statement I and Statement II are false Statement I is incorrect but Statement II is true Who among the following scientist is considered as Father of Green Revolution in India’? Dr RS Paroda Dr Gurudev S Khush Dr B P Pal Dr MS Swaminathan Maximum assimilation of nitrate takes place in which part of the plant? Fruit Stem Root Leaves The gene A-B-D is present in one chromosome in the coupling phase of linkage. One of the double cross-Over gametes has A-b-D gene combination. The gene which was in the middle of the sequence is? D A B Cannot determine Match List I with List ll List I List II Organization Location A. International Water Management Institute I. Lima, Peru B. International Rice Research Institute II. lbadan, Nigeria C. International Institute of Tropical Agriculture III. Colombo, Sri Lanka D. International Centre for Potato IV. Los Banos, Philippines Choose the correct answer from the options given below: A-III, B-IV, C-I, D-II A-III, B-I, C-IV, D-II A-II, B-III, C-IV, D-I A-III, B-IV, C-II, D-I Given below are two statements? Statement I: Cleistogamy and chasmogamy favor self-fertilization Statement II: Male sterility and self-incompatibility do not favor cross-fertilization In light of the above statements, choose the most appropriate answer from the options are given below: Statement I is incorrect but Statement II is true Both Statement I and Statement II are true Both Statement I and Statement II are false Statement I is correct but Statement II is false At the minimum, how many years of multi-location testing is required for a conventionally bred genotype to be released as a new variety? 2 years 4 years 3 years 5 years Match List I with List II? List I List II Class of seed Color of tag) A. Breeders seed I. No tags are used B. Nucleus seed II. Golden brown C. Certified seed III. Azure blue D. Foundation seed IV. White A-III, B-I, C-II, D-IV A-I, B-II, C-III, D-IV A-II, B-I, C-III, D-IV A-IV, B-I, C-II, D-III Match List I with List II List I List II Genotype Population A. Inbred lines I. Homozygous and heterogenous B. 3-way cross hybrid II.Homozygous and homogeneous C. Single cross hybrid III. Heterozygous and heterogenous D. Multiline IV. Heterozygous and homogenous Choose the correct answer from the options given below: A-I, B-IV, C-III, D-II A-I, B-III, C-IV, D-I A-II, B-III, C-I, D- IV A-II, B-IV, C-II, D-I An organism has a haploid chromosome number 7. The probability that a sperm produced by it will contain all the 7 chromosomes whose centromeres were derived from the maternal homologue is? (1/2)3 (1/2)2 (1/2)7 (1/2)5 Certain plant pathogens do not live at the site of the symptom or symptomatic plant niche? 1. They only transfer virulent factors to host 2. Plant attracts the virulence factors by its chemical signals 3. This kind of pathogen survive in the rhizosphere of the infected plant 4. Virulence factors can be cultured on media 5. Infected plant can be recovered with time C, D, E Only B, C, E Only A,C, D Only A, B, C Only Given below are two statements: Statement I: When one dominant allele of one gene and recessive allele of another gene are present on one chromosome and their opposite alleles are present on the homologous chromosome, the arrangement is called Cisheterozygote Statement II: When the dominant alleles of two genes are present on one chromosome and their corresponding recessive alleles are present on the homologous chromosome, the arrangement is called Cis-heterozygote In the light of the above statements, choose the most appropriate answer from the options given below: Both Statement I and Statement II are false Both Statement I and Statement II are true Statement I is incorrect but Statement II is true Statement I is correct but Statement II is false Zein, a special kind of protein is obtained from? Ramie (Boehmeria nivea) Maize (Zea mays) Grass pea (Lathyrus sativus) Guar (Cyamopsis tetragonoloba) Conjugation between two bacteria is mediated through? D-plasmid R-plasmid F-plasmid C-plasmid Which of the statements below do NOT stand true about the ‘Convention on Biological Diversity (CBD)? 1. CBD deals with all biological resources 2. One of the objectives of CBD is the conservation and sustainable use of the component of biodiversity 3. The CBD affirms the sovereign rights of the nation over its genetic resources 4. CBD is an instrument for harmonizing phytosanitary measures in international trade 5. CBD provides a model for securing protection for plant breeder rights for plant varieties A, B only D. E only C. D only B, C only Match List I with List II List I List II A. Chitin I. Archaebacteria B. Pseudomurein II. Gram-positive bacteria C. O-antigens III. Fungal cell wall D. Teichoic acid IV.Gram-negative bacteria Choose the correct answer from the options given below: A (III), B (I), (II), D (IV) A (III), B (I), C (IV), D (II) A (I), B (III), C (IV), D (I) A (I), B (III), C (II), D (IV) Which one of the following is NOT an introduced variety of wheat crop? Federation Turkey Marquis Latisail Identify the correct order of activities followed for testing and release of crop varieties? 1. Multi-location testing 2. Station trial 3. Variety identification 4. Release and notification 5. seed multiplication and distribution Choose the correct answer from the options given below: A, B, C, E, D B, A, C, D, E C, D, A, E, B B, C, D, E, A Irradiation by UV light causes? Dimerization of either purines or pyrimidines Dimerization of pyrimidines Dimerization of purines Dimerization of both purines and pyrimidines Which of the following listed items does not come under the purview of the National Plant Protection Organization (NPPO) under the International Plant Protection Convention (IPPC)? 1. Surveillance and inspection 2. Controlling pests (for example administering treatments, preventing spread, disinfection or disinfestation) 3. Conduction of pest risk analysis 4. Conservation and regeneration of plant genetic resources 5. Multiplication of plant genetic resources Choose the correct answer from the options given below D, E only B, C only A, E only A, B only Naked asci can be observed in which ascomycete fungus? Erysiphe Taphrina Uncinula Claviceps Given below are two statements: Statement I: Light reaction takes place in the stroma Statement II: Dark reaction takes place in grana In light of the above statements, choose the most appropriate answer from the options given below Both Statement I and Statement II are true Statement l is correct but Statement II is false Statement I is incorrect but Statement II is true Both Statement I and Statement II are false NameEmailPhone Number Your score isThe average score is 0% 0% Restart quiz Post navigation PREVIOUS Previous post: General Agriculture objective (MCQ) Questions Part 1stNEXT Next post: Top 60+ Soil Science Multiple Choice Question [y] Related Post Plant Science ICAR JRF Official Question Paper 2019 (3rd)Plant Science ICAR JRF Official Question Paper 2019 (3rd) 05/08/202105/08/2021| ExamupsExamups| 0 Comment| 12:15 PM [WpProQuiz 13] Read MoreRead More Pant Science JRF Solved paper 2017 (5th)Pant Science JRF Solved paper 2017 (5th) 07/08/202107/08/2021| ExamupsExamups| 0 Comment| 10:49 PM [WpProQuiz 33] Read MoreRead More Plant Science ICAR JRF Official Question Paper 2019 (2nd)Plant Science ICAR JRF Official Question Paper 2019 (2nd) 05/08/202105/08/2021| ExamupsExamups| 0 Comment| 11:58 AM [WpProQuiz 12] Read MoreRead More
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