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Plant Science Paper 2020
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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)
Translocation of carbohydrates in plants usually occurs in the form of?
The degree of compost maturity can be assessed by?
Toxic shock syndrome, a severe infection characterized by high fever and vomiting is caused by?
Match List I with List ll
Choose the correct answer from the options given below:
Match List I with List II?
List I
List II
Zein, a special kind of protein is obtained from?
The National Genebank Facility to conserve plant genetic resources in India is located at?
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
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
Which one of the following bacterial pathogenic genus is classified under Gram-negative aerobic and microaerophilic rods?
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
Conjugation between two bacteria is mediated through?
The scientific name of Oil palm is?
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?
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
How many linkage groups are present in maize (Zea mays L)?
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:
Which one of the following viruses is transmitted by pollen?
The isolation distance required for the production of certified seeds of maize composite variety is?
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
The tag for Breeders Seed is issued by?
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:
At the minimum, how many years of multi-location testing is required for a conventionally bred genotype to be released as a new variety?
The minimum standard of seed germination (%) for seed certification in maize is?
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
The first product to be tagged with GI in India is?
Naked asci can be observed in which ascomycete fungus?
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
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:
Match List I with List lI Â Â Â Â Â Â
(Theory)
(Scientist who proposed)
Choose the correct answer from the options given below
The seed dormancy can be detected by?
In which of the following seed storage conditions, the longevity of the seeds would be maximum?
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:
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?
Which one of the following is NOT an introduced variety of wheat crop?Â
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
End product of Glycolysis is?
Match ListI with List-II:
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?
Match List I with List II
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:
Cell wall of archaebacteria do not contain?
Irradiation by UV light causes?
The purity standard of certified seeds of carrot is?
Who among the following scientist is considered as Father of Green Revolution in India’?
The genome of Triticale is designated as?
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:
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
The hormone needed for cell division during germination of seed is?
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:
Maximum assimilation of nitrate takes place in which part of the plant?
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:
Match List I with List II Â
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:
Which one of the following species has an inflorescence of terminal digitate spikes of spikelets?
When two self-incompatible but cross-compatible parental lines are inter-planted, the seeds harvested from both the self-incompatible lines will be?
Cell theory was put forward by?
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:
Which of the following is NOT a non-sense codon?
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