Description : Breeding refers to selection procedure in which the segregating population of self pollinated species is grown without selections
Last Answer : Ans. Bulk
Description : Single seed descent method of selection is a modification of- a. Mass selection b. Pure line selection c. Pedigree method d. Bulk method
Last Answer : d. Bulk method
Description : Maize is — pollinated crop. a. Self b. Often cross c. Cross d. None of these
Last Answer : c. Cross
Description : Wheat is — pollinated crop a. Self b. Cross c. Often cross d. None of these
Last Answer : a. Self
Description : Jowar is — pollinated crop a. Self pollinated b. Cross pollinated c. Often cross pollinated d. None of these
Last Answer : c. Often cross pollinated
Description : Breeding method mostly used for development of disease resistance variety is — a. Pedigree method b. Selection c. Back cross d. Mutation breeding
Last Answer : c. Back cross
Description : The quickest method of plant breeding is — a. Mutation breeding b. Back cross c. Heterosis breeding d. Selection
Last Answer : a. Mutation breeding
Description : A method of breeding is not appropriate for cross pollinated crops
Last Answer : Ans. Pure line selection
Description : In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called (a) evaluation and selection of parents (b) germplasm collection (c) selection of superior recombinants (d) cross-hybridisation among the selected parents.
Last Answer : (b) germplasm collection
Description : Tomato is a _________ crop. a. Self pollinated b. Insect pollinated c. Oftenly cross pollinated d. Wind pollinated
Last Answer : Self pollinated
Description : Most commonly used method for selection from segregation generations of crosses in self pollinated crops
Last Answer : Ans. Pedigree method
Description : The oldest selection method of crop improvement
Last Answer : Ans. Mass selection
Description : A method of breeding is appropriate for improvement of good variety.
Last Answer : Ans. Back cross method
Description : Select the false statement a. HB4 is first bajra hybrid b. Bajra is self pollinated c. In banjara protogynous condition observed d. Bajra is drought tolerant
Last Answer : b. Bajra is self pollinated
Description : A blue colour flower plant denoted by BB is cross bred with that of white colour flower plant denoted by bb. (a) State the colour of flower you would expect in their F1 generation plants. (b) What ... -pollinated? (c) State the expected ratio of the genotypes BB and Bb in the F2 progeny. -Biology
Last Answer : This is your Answer.
Description : Cross pollinated in apple generally produce a. Bad results than self pollinated b. Better results than self pollinated c. Same results as self pollinated d. Non of these
Last Answer : Better results than self pollinated
Description : Nature of pollination in cucurbits is: a. Highly cross pollinated b. Oftenly cross pollinated c. Highly self pollinated d. None of above
Last Answer : Highly cross pollinated
Description : How are mutations useful for crop improvement?
Last Answer : Ans: Mutations bring about genetic variability in crops. Some of them are desirable and such plants are selected and further developed by hybridization.
Description : What is the objective of agriculture extension education in India ? a. Dissemination of useful information b. All round improvement of rural people c. Practical application of useful knowledge d. All of these
Last Answer : d. All of these
Description : How pedigree analysis can be useful? -Biology
Last Answer : answer:
Description : When Mendel used pea plants true breeding for yellow peas or green peas in an experiment. All the offspring produced from this cross were yellow. When the offspring were allowed to self pollinate one?
Last Answer : yyYy
Description : The genotype of a plant showing the dominant phenotype can be determined by (a) test cross (b) dihybrid cross (c) pedigree analysis (d) back cross.
Last Answer : a) test cross
Description : Vegetables belonging to the cross pollinated group is a. Peas b. Tomato c. a & b d. Cabbage
Last Answer : Cabbage
Description : The parent which is used only once in back cross breeding method
Last Answer : Ans. Donor
Description : By which method was a new breed ‘Hisardale’ of sheep formed by using Bikaneri ewes and Marino rams? (a) Out crossing (b) Mutational breeding (c) Cross breeding (d) Inbreeding
Last Answer : (c) Cross breeding
Description : What are the crop plants pollinated by honeybee? -Biology
Description : What takes longer selective breeding or natural selection?
Last Answer : Need answer
Description : What is meant by selection in conventional plant breeding?
Last Answer : Selection is the process where a breeder selects from a population of plants having desirable characteristics. It is the most ancient and basic procedure.
Description : How many genes out of a gene pair does a plant that is self pollinated get from each of its parents?
Last Answer : one from each parent out of a gene pair. Because each parentscontributes fifty - fifty percent in the new offspring.
Description : Isolation distance for self pollinated crops i.e. rice, wheat
Last Answer : Ans. 3 m
Description : A progeny of single homozygous, self pollinated crops
Last Answer : Ans. Pure line
Description : Self pollinated species are also known as
Last Answer : Ans. Autogamous species
Description : Which vegetable is self pollinated a. Peas b. Cucumber c. Watermelon d. Sponge gourd
Last Answer : Peas
Description : Pollination between two such flowers situated on the same plant is known a. Autogamy b. Allogamy c. Cross pollinated d. None of these
Last Answer : Allogamy
Description : These vegetables are cross pollinated in nature a. Cauliflower, cabbage b. Spinach, Peas c. Raddish d. None of above
Last Answer : Raddish
Description : 10. “Cleistogamous flowers are invariably autogamous because” (a) These flowers do not open at all. (b) There is no chance of cross – pollen landing on the stigma. (c) These flowers have exposed anthers and stigma. (d) These flowers are wind pollinated.
Last Answer : (a) These flowers do not open at all.
Description : Seed Treatment with chemical? A. Plant Selection B. Nutrients Management C. Genetic Improvement D. None of these
Last Answer : A. Plant Selection
Description : If you made a Punnett square showing Gregor Mendel's cross between true-breeding tall plants and truebreeding short plants, the square would show that the offspring had a. the genotype of one of the ... . a genotype that was different from that of both parents. d. the genotype of both parents.
Last Answer : c. a genotype that was different from that of both parents.
Description : Multiline breeding is exploited widely in the crop
Last Answer : Ans. Wheat
Description : Agronomy is a branch of Agriculture that deals with – a) Breeding of crop plants b) Principles of field management c) Principles and practice of crop production d) Protection of crops from Diseases and Pests
Last Answer : c) Principles and practice of crop production
Description : Which one of the following statements is not true? (a) Pollen grains of many species cause severe allergies. (b) Stored pollen in liquid nitrogen can be used in the crop breeding programmes. (c) Tapetum helps in the dehiscence of anther. (d) Exine of pollen grains is made up of sporopollenin.
Last Answer : (c) Tapetum helps in the dehiscence of anther.
Description : Bulk population breeding is suitable for a. Fruit crops b. Vegetable crops c. Flower crops d. Small grain crops
Last Answer : d. Small grain crops
Description : Trolls: Lack of Self-Esteem or Bad Breeding?
Last Answer : it’s the same mentality that drives people to graffiti bathroom stalls
Description : What happens when a true-breeding plant self-pollinates? -Biology
Description : Self pollination will lead to – (1) inbreeding (2) rare breeding (3) overbreeding (4) outbreeding
Last Answer : (1) inbreeding Explanation: Self-pollination can lead to inbreeding depression, or the reduced health of the species, due to the breeding of related specimens. This is why many flowers that could potentially self-pollinate have a built-in mechanism to avoid it.
Description : Self pollination is a form of: a. Inbreeding b. Out breeding c. Random mating d. None of these
Last Answer : Inbreeding
Description : Self pollination will lead to (1) inbreeding (2) rare breeding (3) overbreeding (4) outbreeding
Last Answer : inbreeding
Description : What is considered the most useful and important improvement by Lord Karzan?
Last Answer : Farming Improvement