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 : The desired varieties of economically useful crops are raised by (a) vemalisation (b) mutation (c) natural selection (d) hybridisation
Last Answer : (d) hybridisation
Description : ‘Himgiri’ developed by hybridisation and selection for disease resistance against rust pathogens is a variety of (a) chilli (b) maize (c) sugarcane (d) wheat.
Last Answer : (d) wheat.
Description : The desired varieties of economically useful crops are raised bya) Vernalization b) Mutation c) Natural selection d) hybridisation
Last Answer : d) hybridisation
Description : Which of these is not a variety of seeds? a. Composite Seed b. Breeder Seed c. Mutant Seed d. Hybrid Seed
Last Answer : c. Mutant Seed
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 : 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 : How would you increase the yield of maize crop? (a) Evolve high yielding varieties of seeds to suit different agroclimatic regions (b) Develop high yielding varieties (c) Develop disease-resistant varieties (d) Develop early and very early maturing varieties suitable for rainfall areas
Last Answer : Ans: (a)
Description : 1. Biofortification is a method of breeding crops for a) Increasing the amount of production b) To produce disease resistant variety c) To improve the nutritional quality d) To produce high amount of vitamin
Last Answer : c) To improve the nutritional quality
Description : Which one of the following varieties has been selected to develop Narendra Aonla-6 variety ? (A) Chakaiya (B) Hathijhool (C) Banarasi (D) Narendra Aonla-6
Last Answer : (D) Narendra Aonla-6
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 : Makhdum is a variety for which crop? (a) Badam (Almond)(cknke)Purunsdulsis, Family Rosaceae (b) Date palm([ktwj)Phoenix dactilifera, FamilyPalmaeor Aracaecae (c) Walnut(v[kjksV)Juglansregia, Family Juglandaceae (d) Coconut(ukfj;y) Cocosnucifera, FamilyPalmae or Aracaecae
Last Answer : (a) Badam (Almond)(cknke)Purunsdulsis, Family Rosaceae
Description : Pulses fit well in cropping system as they are— (A) Short duration crops (B) Disease resistant crops (C) Long duration crops (D) Moisture stress resistant crops
Last Answer : (D) Moisture stress resistant crops
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 : Recording of milk production in dairy (agriculture exams library) farm is done mainly for – a) Selection of good producer b) Increase in production of milk c) Ensuring quality of milk d) Quick selling of milk
Last Answer : a) Selection of good producer
Description : Consider the following statements: 1. India is the original home of the cotton plant. 2. India is the first country in the world to develop hybrid cotton variety leading to increased production. Which of these statements is/are correct ... ] (a) Only 1 (b) Only 2 (c) Both 1 and 2 (d) Neither 1 nor 2
Last Answer : Ans: (c)
Description : The progeny of breeder seed is: (A)Formation seed (B) Nucleus seed (C) True seed (D) Certified seed
Last Answer : (A)Formation seed
Description : What is the average annual production of European variety of honeybee colony ? (a) 14 kg (b) 16 kg (c) 10 kg (d) 8 kg
Last Answer : (c) 10 kg
Description : Molya disease resistant variety of barley is
Last Answer : Ans.RD 2052
Description : 29. The disease resistant variety of Brassica resistant to “white rust” is ... b) Pusa Swarnim b) Pusa Komal c) Pusa Sadabahar d) Pusa Shubhra
Last Answer : b) Pusa Swarnim
Description : 9. The disease resistant variety of Brassica resistant to “white rust” is ... a) Pusa Swarnim b) Pusa Komal c) Pusa Sadabahar d) Pusa Shubhra
Last Answer : a) Pusa Swarnim
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 : What is one of the means of crop production ?
Last Answer : Soil is one of the means of crop production.
Description : Crop logging’ is the method of? a. Soil fertility evaluation b. Plan analyst for assessing requirements for nutrients for crop production c. Assessing crop damage d. Testing suitability of fertilizers e. None of these
Last Answer : e. None of these
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 is a Plan analyst for assessing requirements for nutrients for crop production?
Last Answer : Crop logging
Description : What are the principles of crop production?
Last Answer : Rainfall –distribution of rainfall, rainfall reliability, erosion and stormdamage,evaporation · Temperature and Altitude · Light –light intensity, light duration, light wave length · Evapotranspiration—(factors contributing -air temperature, relative humidity ,wind) · Wind · Soil
Description : _____is the nematode that causes the blackhead disease in banana crop? A. Pratylenchus coffee B. Heterodera oryzicola C. Radopholus similis D. Helicotylenchus multicinctus
Last Answer : C. Radopholus similis
Description : Seed Treatment with chemical? A. Plant Selection B. Nutrients Management C. Genetic Improvement D. None of these
Last Answer : A. Plant Selection
Description : Selection of homozygous plant is (a) pure line selection (b) mass selection (c) mixed selection (d) introduction
Last Answer : (a) pure line selection
Description : Which of the following process is not takes place in evolution of plants? (A)Crossing over (B) Mutation (C) Linkage (D) Coupling
Last Answer : (C) Linkage
Description : High yielding plants can be produced by (1) Crop Rotation (2) Hybridisation (3) Inter-cropping (4) Mixed - cropping
Last Answer : (2) Hybridisation Explanation: Operation Flood in India, a project of the National Dairy Development Board (NDDB) was the world's biggest dairy development programme which made India, a milk-deficient nation, ... world, surpassing the USA in 1998, with about 17 percent of global output in 2010-11.
Description : Among the following States, which one has the most suitable climatic conditions for the cultivation of a large variety of orchids with minimum cost of production, and can develop an export oriented industry in ... 2011] (a) Andhra Pradesh (b) Arunachal Pradesh (c) Madhya Pradesh (d) Uttar Pradesh
Last Answer : Ans: (b)
Description : Cancer cells may become resistant to amethopterin by (A) Developing mechanisms to destroy amethopterin (B) Amplification of dihydrofolate reducatse gene (C) Mutation in the dihydrofolate reductase ... is no longer inhibited by amethopterin (D) Developing alternate pathway of thymidylate synthesis
Last Answer : Answer : B
Description : Widespread and prolonged used of an antibiotic leads to emergence of drug resistant strains because antibiotics (a) Induce mutation in the bacteria (b) Promote conjugation among bacteria (c) Allow resistant strains to propagate preferentially (d) All of the above
Last Answer : Ans: C
Description : Widespread and prolonged use of an antibiotic leads to emergence of drug resistant strains because antibiotics: A. Induce mutation in the bacteria B. Promote conjugation among bacteria C. Allow resistant strains to propagate preferentially D. All of the above
Last Answer : C. Allow resistant strains to propagate preferentially
Description : Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to (a) insect pests (b) fungal diseases (c) plant nematodes (d) insect predators.
Last Answer : (a) insect pests
Description : Reduction or elimination of dormancy in crop plant is due to : a. Domestication b. Hybridization c. Mutation h. Acclimatization
Last Answer : Acclimatization
Description : 5. Crop Variety Resistance to the disease Wheat -------- Leaf and stripe rust
Last Answer : Ans- Himgiri
Description : Which Papaya species is resistant to distortion ring-spot virus? c) Carica papaya b) Carica pentagona c) Carica cauliflora d) Carica microcarpa
Last Answer : c) Carica cauliflora
Description : Bt cotton is resistant to bollworm, it is due to (a) Bt is repellent to bollworm(b) Bt is contact poison for bollworm (c) Bt is stomach poison; it changes the permeability of stomach due to generation of pores in alkaline environment of stomach (d) Bt is causing death due to asphagsiation of insect
Last Answer : (c) Bt is stomach poison; it changes the permeability of stomach due to generation of pores in alkaline environment of stomach
Description : The new varieties of plants are produced by (a) introduction and mutation (b) selection and introduction (c) selection and hybridization (d) mutation and selection.
Last Answer : (c) selection and hybridization
Description : Industrial melanism is an example of (a) mutation (b) Neo-Lamarckism (c) Neo-Darwinism (d) natural selection.
Last Answer : (d) natural selection.
Description : Which of the following(s) is/are found in Genetic Algorithms? (i) evolution (ii) selection (iii) reproduction (iv) mutation (a) i & ii only (b) i, ii & iii only (c) ii, iii & iv only
Last Answer : (a) i & ii only
Description : 27. A ‘single step-large mutation’ is known as ... b) Branching descent b) Natural Selection c) Saltation d) Gene Migration
Last Answer : c) Saltation
Description : 7. A ‘single step-large mutation’ is known as ... a) Branching descent b) Natural Selection c) Saltation d) Gene Migration
Description : _______________ acts to inhibit reproductive isolation. A) Mutation B) Natural selection C) Genetic drift D) Gene flow
Last Answer : D) Gene flow
Description : Crop rotation helps to a) lessen use of pesticides b) yield more crops c) produce a greater choice of plant products d) eliminate parasites which have selective hosts
Last Answer : d) eliminate parasites which have selective hosts
Description : First dwarf variety of paddy developed in India is— (A) Jaya (B) Saket-4 (C) Govind (D) Narendra-97
Last Answer : (C) Govind