The oldest selection method of crop improvement

1 Answer

Answer :

 Ans. Mass selection

Related questions

Description : Mass pedigree selection method of breeding is useful for improvement of — crop a. Self pollinated b. Cross pollinated c. Both a & b d. None of these

Last Answer : a. Self pollinated

Description : Clonal selection mostly used in the crop

Last Answer : Ans. Ginger

Description : A method of breeding is appropriate for improvement of good variety.

Last Answer : Ans. Back cross method

Description : A method does not provide opportunity to practice selection for superior plant till F5 generations

Last Answer : Ans. Single seed descent method

Description : Most commonly used method for selection from segregation generations of crosses in self pollinated crops

Last Answer : Ans. Pedigree method

Description : Seed Treatment with chemical? A. Plant Selection B. Nutrients Management C. Genetic Improvement D. None of these

Last Answer : A. Plant Selection

Description : The oldest known agro forestry practice

Last Answer : Ans. Shifting cultivation

Description : The oldest form of teaching

Last Answer : Ans. Method demonstration

Description : Oldest commercially available fertilizer

Last Answer : Ans. SSP (16-18%P2O5 )

Description : Oldest N fertilizer, best for top dressing in rice

Last Answer : Ans. Ammonium sulphate (20.6%N and 24%S)

Description : Progeny selection is also known as

Last Answer : Ans. Ear to row method of selection

Description : Breeding refers to selection procedure in which the segregating population of self pollinated species is grown without selections

Last Answer : Ans. Bulk

Description : Mass selection is always based on

Last Answer : Ans. Phenotype

Description : Theory of evolution through natural selection was given by

Last Answer : Ans. C.Darwin and A.R.Wallace (1858)

Description : Q2. What are the desirable agronomic characteristics for crop improvement? -Science

Last Answer : The essential agronomic features required for crop improvement are: Profuse branching along with tallness in any fodder crop Dwarfness in any cereals

Description : Importance of cyanobacteria in agriculture fields for crop improvement. -Biology

Last Answer : answer:

Description : What are the traits under unlimited condition for crop improvement? -Biology

Last Answer : answer:

Description : What are the traits under unlimited condition for crop improvement? -Biology

Last Answer : answer:

Description : The crop grown on degraded land for improvement is called

Last Answer : Ans.Conservation crop

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 : The most appropriate and effective type of crop cultivation in forests

Last Answer : Ans. Intercropping

Description : Crop Production + livestock raising is called

Last Answer : Ans. Mixed farming

Description : Crop production and dairy enterprise having

Last Answer : Ans. Supplementary relationship

Description : Choose best crop enterprises

Last Answer : Ans. Principal of opportunity cost

Description : Only tuber crop, which is rich in protein?

Last Answer : Ans. Colocasia

Description : A deep rooted crop is

Last Answer : Ans. Sweet potato

Description : Which crop is commonly known as Single seeded nut?

Last Answer : Ans. Litchi

Description : The vegetable crop under approval for Bt. technology

Last Answer : Ans. Brinjal

Description : The seed of a crop variety produced by the breeder which is small in quantity is said to be

Last Answer : Ans. Nucleus seed

Description : Multiline breeding is exploited widely in the crop

Last Answer : Ans. Wheat

Description : Mendal works on the 7 contrasting characters of crop

Last Answer : Ans. Garden pea

Description : A situation in which a crop needs more of a given nutrient yet has shown no deficiency symptoms

Last Answer : Ans. Hidden Hunger

Description : Symbiotic N2 fixing bacteria in leguminous crop.

Last Answer : Ans. Rhizobium

Description : The crop oilcake, which has highest nitrification rate

Last Answer : Ans. Groundnut

Description : The green manure crop having both stem and root nodulation

Last Answer : Ans. Sesbania rostrata

Description : The most widely used green manure crop

Last Answer : Ans. Sunhemp (Crotalaria juncea)

Description : The study of soils in relation to crop growth.

Last Answer : Ans. Edaphology

Description : Which green house gas linked with rice crop?

Last Answer : Ans. Methane (CH4 )

Description : The optimum temperature for better crop production is between

Last Answer : Ans. 18 – 24°C

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 : Which of the following not belong to Post harvest handling of seed crop? A. Seed Selection B. Threshing C. Drying D. Grading

Last Answer : A. Seed Selection

Description : A plant breeder: waists to develop a disease resistant variety. What should he do first?(a) Hybridisation (b) Mutation (c) Selection (d) Production of crop

Last Answer : (c) Selection

Description : A plant breeder: waists to develop a disease resistant variety. What should he do first? a) Hybridisation b) Mutation c) Selection d) Production of crop 

Last Answer :  c) Selection

Description : Hydrofining is the most recent and effective method for the (A) Removal of sulphur (B) Improvement of smoke point (C) Reduction of breathing loss (D) Improvement of viscosity index

Last Answer : (A) Removal of sulphur

Description : Critical path method (A) Is an improvement upon bar chart method (B) Provides a realistic approach to daily problems (C) Avoids delays which are very common in bar charts (D) All the above

Last Answer : (D) All the above

Description : Which of the following is/are true about teaching? Options: A) The Analysis And Assessment Of Teaching Provide Feedback For Further Improvement In Teaching Method. B) It Is Highly Dominated By Communication Skill. C) It Is A Process Not An Act. D) All Of These

Last Answer : D) All Of These 

Description : Method of power factor improvement: a. Use of static capacitor and synchronous condensers b. Use of phase advancers c. Use of induction motors d. Both (a) and (b)  

Last Answer : Method of power factor improvement: a. Use of static capacitor and synchronous condensers b. Use of phase advancers c. Use of induction motors d. Both (a) and (b)  

Description : A single practice demonstration used to show method of sowing

Last Answer : Ans. Method demonstration

Description : The father of method demonstration

Last Answer : Ans. Dr. Seeman A. Knapp

Description : The basic principle of method demonstration

Last Answer : Ans. Learning by doing