Description : A change in genetic constitution, which arises suddenly and not to segregation and recombination of genes in sexual reproduction is called as: a. Hybridization b. Bud variation c. Mutation d. Non of them
Last Answer : Mutation
Description : Dormancy in plant and seed is mainly due to a. Environmental factor b. Physiological factor c. a & b d. None
Last Answer : a & b
Description : Secondary dormancy in non dormant seeds is due to: j. Temperature a. Moisture b. Aeration c. Ligh
Last Answer : Temperature
Description : Dormancy of seed is a biological mechanisms that provides protection against ______: a. Seed spoilage b. Embryo abortion c. Pre mature germination d. Dehydration
Last Answer : Pre mature germination
Description : Dormancy is a function of interaction of growth promoter like GA and growth inhibitor like _________: a. ABA b. Cycocell c. Alar d. Paclobutrazole
Last Answer : ABA
Description : Dormancy can be broken by the use of: a. Thiourea b. Ethlene chlorohydrin c. Ethylene acetylene d. All of the above
Last Answer : All of the above
Description : Dormancy of seeds are broken by a. GA b. Ethylene c. Water d. None of above
Last Answer : GA
Description : Dormancy period in potato is about a. 2 Months b. 1 Month c. 3 Months d. ½ Month
Last Answer : 2 Months
Description : Potato dormancy can be broken through a. Chemical treatment b. Low temperature c. Both of these d. None of these
Last Answer : Both of these
Description : Seed potato seed has a. Dormancy b. Rest period c. Both of these d. None of these
Last Answer : Dormancy
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 : Dormancy period of animals during winter season is called – (1) Aestivation (2) Hibernation (3) Regeneration (4) Mutation
Last Answer : (2) Hibernation Explanation: Hibernation is a state of inactivity and metabolic depression in endotherms. Hibernation refers to a season of heterothermy that is characterized by low body temperature, ... purpose of hibernation is to conserve energy during a period when sufficient food is scarce.
Description : Dormancy period of animals during winter season is called : (1) Aestivation (2) Hibernation (3) Regeneration (4) Mutation
Last Answer : Hibernation
Description : Auxins have effective role in : a. Delay in flower opening b. Cell division c. Reduction of pre harvest fruit drop d. All of the above
Last Answer : Reduction of pre harvest fruit drop
Description : Which one is not an appropriate approach to control frost? a. Avoidance b. Reduction of heat loss c. Addition of heat d. Transmittance of control
Last Answer : Avoidance
Description : Production of vegetable out of their normal season of outdoor production is known as: a. Vegetable forcing b. Out of season c. Crop production d. Tissue culture
Last Answer : Vegetable forcing
Description : Which of the following crop has high sulphur contents: a. Garlic b. Onion c. Radish d. None
Last Answer : Onion
Description : Which of the following vegetable crop is a relative of cotton: a. Onion b. Okra c. Mustard d. Brinjal
Last Answer : Okra
Description : Major insect attacking the summer crop of guava during summer crop is : a. White fly b. Fire fly c. Fruit fly d. Drosophilla fly
Last Answer : Fruit fly
Description : Which one of the following is a bulb crop: a. Garlic b. Potato c. Ginger d. Arum
Last Answer : Garlic
Description : Which crop propagated by asexual means: a. Sweet potato b. Chillies c. Cauliflower d. None of above
Last Answer : Sweet potato
Description : Which crop is reproduced sexually a. Ginger b. Turmeric c. Onion d. None of above
Description : Virus free seeds of potato are produced in a. Hilly areas b. Spring crop c. In plains d. Autumn crop
Last Answer : Hilly areas
Description : Potato cut tuber are used for planting during a. Autumn crop b. Spring crop c. Both of above d. None of above
Last Answer : Spring crop
Description : Seed rate/acre in potato for autumn crop is a. 900-1100 Kg b. 500 Kg c. 400 Kg d. 100 Kg
Last Answer : 900-1100 Kg
Description : Which of the following crop is grown sexually a. Potato b. Garlic c. Onion d. Turmeric
Description : Organic crop cultivation is : a. With fertilizers b. Without fertilizers c. With organic manures d. None of these
Last Answer : Without fertilizers
Description : Tender crop cannot tolerate a minimum temperature of a. -2°C b. -1°C c. 0°C d. All of above
Last Answer : All of above
Description : Which crop is most susceptible to viral infection : a. Chilies b. Tomato c. Onion d. Brinjal
Last Answer : Tomato
Description : Vine of crop of bottle gourd is not staked during: a. Summer season b. Rainy season c. Early season d. Late season
Last Answer : Summer season
Description : Which of the following crop has lowest water contents: b. Cucumber c. Watermelon d. Bottle gourd e. Cauliflower
Last Answer : Cauliflower
Description : Tomato is a _________ crop. a. Self pollinated b. Insect pollinated c. Oftenly cross pollinated d. Wind pollinated
Last Answer : Self pollinated
Description : Why is vivipary an undesirable character for annual crop plants? (a) It reduces the vigour of the plant. (b) It adversely affects the fertility of the plant. (c) The seeds exhibit long dormancy. (d) The seeds cannot be stored under normal conditions for the next season
Last Answer : (d) The seeds cannot be stored under normal conditions for the next season
Description : Pansy is very popular annual due to its: a. Stem and foliage beauty b. Hardiness toward ground cover c. Planting under shad. d. Mix colour flowers bedding plant.
Last Answer : Mix colour flowers bedding plant.
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 : The process of elimination of water from any system is called (a) Oxidation (b) Reduction (c) Dehydration (d) Evaporation
Last Answer : Ans:(c)
Description : Which is not accomplished in an underfired furnace? (A) Increase in heating capacity/m2 of floor space (B) Elimination of cold spot at the bottom of the charge (C) Reduction in the temperature of furnace gases (D) Protection of the periphery of the charge from excessive radiation
Last Answer : (A) Increase in heating capacity/m2 of floor space
Description : Why domestication seems to decrease animal's life span?
Last Answer : Actually, domestication does the opposite. Wolves may live longer because they are an entirely different species now than dogs. Yes, the two can interbreed but they are still different species. This talks ... old, there are fewer accidents, diseases can be treated and babies are more likely to live.
Description : Can we(human) still survive without domestication?
Last Answer : The caveman did it. Don’t think we could support a large population without domestication. Domestication is the nature of the beast.
Description : When did people of different corners of the world begin to learn domestication of plants and animals? -History
Last Answer : People of different corners of the world began to learn domestication of animals and plants around between 10,000 and 4,500 years ago.
Description : What is The time period when domestication began?
Last Answer : To be able to answer your question we need a who, what, where,when, why or how. Your question needs a what.
Description : .Angiosperms have dominated the land flora primarily because of their (a) power of adaptability in diverse habitat (b) property of producing large number of seeds (c) nature of self pollination (d) domestication by man
Last Answer : (a) power of adaptability in diverse habitat
Description : The taking over of a private firm by the host country government to be run it as a government unit is ______. A. expropriation. B. confiscation. C. nationalisation. D. domestication
Last Answer : C. nationalisation.
Description : The period at which maximum crop weed competition occurs is a). Critical period b). Dormancy c). Flaming d).Threshold
Last Answer : a). Critical period
Description : Reasoning strategies used in expert systems include ............... (A) Forward chaining, backward chaining and problem reduction (B) Forward chaining, backward chaining and boundary ... chaining, backward chaining and back propagation (D) Backward chaining, problem reduction and boundary mutation
Last Answer : (A) Forward chaining, backward chaining and problem reduction
Description : How can I tell if damage to my tree trunk is due to birds or termites?
Last Answer : Get thee an Arborist.
Description : Lack of early spring flowering from tulip bulbs planted outdoors is due to: a. Bright sunlight b. Lack of winter cooling c. Excessive moisture d. Magnesium and calcium deficiencies
Last Answer : Lack of winter cooling
Description : The purpose of staking is to a. Protect the trunk b. Prevent root damage due to wind action c. Prevent wind injury to branches d. Prevent damage due to fros
Last Answer : Prevent wind injury to branches
Description : Internal browning in apples takes place due to _______: a. Fungus b. High temperature c. Hail storm d. Bacteria
Last Answer : High temperature