Description : Cultivation of resistant variety is —- method of pest control. a. Physical b. Chemical c. Biological d. Cultural
Last Answer : d. Cultural
Description : biological pest control methods supplement but cannot replace chemical pest control methods. -General Knowledge
Last Answer : The given statement is false.
Description : The method not used as a Biological control is : (1) Use of predators of a pest. (2) Pheromone traps (3) Use of pesticides (4) Use of neem extracts
Last Answer : (3) Use of pesticides Explanation: Pesticides are substances or mixture of substances intended for preventing, destroying, repelling or mitigating any pest. Pesticides are a special kind of ... or disinfectant) that through its effect deters, incapacitates, kills or otherwise discourages pests.
Description : . One of the major difficulties in the biological control of insect pest is that (a) the method is less effective as compared with the use of insecticides (b) the practical difficulty of introducing ... become a pest (d) the predator does not always survive when transferred to a new environment.
Last Answer : (d) the predator does not always survive when transferred to a new environment.
Last Answer : Use of pesticides
Description : The environment friendly weed control method a). Biological b). Physical c). Chemical d). None
Last Answer : a). Biological
Description : In which type of cropping different crops are planted in proximity for any of a number of different reasons, including pest control, pollination, providing habitat for beneficial creatures, ... crop productivity? a. Companion Cropping b. Mixed Cropping c. Overlapped cropping d. Intercropping
Last Answer : a. Companion Cropping
Description : In Sorghum zonal system of sowing adopted to control — pest • Armyworm • Midge fly • Shoot fly • Stem borer
Last Answer : • Midge fly
Description : Metarhizium anisopliae fungi use to control — pest • Sugarcane pyrilla • Cotton bug • Fruit fly • Shoot borer
Last Answer : • Sugarcane pyrilla
Description : The most common drying method is ____ drying. a. freeze- c. spray b. sun or tray drying d. oven
Last Answer : c. spray
Description : Which property of soil depends upon the amount, size, shape, arrangement and mineral constituent. a. Physical b. Biological c. Taxonomic d. None of these
Last Answer : a. Physical
Description : Is blow drying your hair physical or chemical change?
Last Answer : Feel Free to Answer
Description : Hazards and Disasters are mainly classified as a. Physical and chemical b. Natural and Human induced c. Physical and Human d. Social and cultural
Last Answer : b. Natural and Human induced
Description : what All substances have characteristic properties. If one of these properties can be observed without changing the identity of the substance, it must be A. universal property. B. physical property. C. biological property. D. chemical property.?
Last Answer : B: Physical Property
Description : __works to anticipate, identify and evaluate workplace health risk factors associated with chemical, physical, environmental and biological hazards?
Last Answer : Industrial hygienist (IH)
Description : Oparin's theary about origin of life' is related to - (1) chemical evolution (2) physical evolution (3) biological evolution (4) artificial evolution
Last Answer : (1) chemical evolution Explanation: Alexander Oparin was a Russian biochemist, notable for his contributions to the theory of the origin of life on Earth, and particularly for the primordial soup theory of the evolution of life from carbon-based molecules.
Description : Any change in physical (smell, colour taste), chemical and biological characteristics of water is called
Last Answer : water pollution
Description : An undesirable change in the physical, chemical and biological characteristics of the environment is called
Last Answer : pollution.
Description : Secondary sewage treatment is mainly a (a) physical process (b) mechanical process (c) chemical process (d) biological process.
Last Answer : (d) biological process.
Description : Which of the following is NOT one of the 3 main types of water pollution? a. Physical pollution b. Chemical pollution c. Thermal pollution d. Biological pollution
Last Answer : c. Thermal pollution
Description : Spatial variation in horizontal and vertical directions is caused due to: (A) Physical weathering of rocks (B) Chemical weathering of rocks (C) Biological weathering of rocks (D) All of these
Last Answer : Answer: Option D
Description : Selectivity achieved due to changes in functional group is called a). Physical b). Biological c). Chemical d). Chronological
Last Answer : d). Chronological
Description : How does biological loss of forest and wildlife correlate with loss of cultural diversity? -SST 10th
Last Answer : (i) Biological loss of forest and wildlife has increasingly marginalised and impoverished many indigenous and other forest dependent communities, who directly depend on various components of the forest ... (iii) Due to biological loss of forest and wildlife many tribal communities have disappeared.
Description : How is biological loss of forest and wildlife correlated with loss of cultural diversity? -SST 10th
Last Answer : Biological loss of forest and wildlife is strongly correlated with the loss of cultural diversity as it has increasingly marginalised and impoverished many indigenous and other forest dependent communities who ... have to walk longer to get water or fuel which is directly affecting their lifestyle.
Description : For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass? (A) Oven drying method (B) Sand bath method (C) Alcohol method (D) Calcium carbide method
Description : Main purpose of buffer stock is : (a) to save food grains from pest attack (b) to stop price fluctuations (c) to meet the crisis of low production (d) both (b) and (c)
Last Answer : (d) both (b) and (c)
Description : In animal Render pest disease is caused by a. Bacteria b. Fungi c. Myxovirus d. Protozoa
Last Answer : c. Myxovirus
Description : Which of the following is monophagous pest ? a. Rice yellow stem borer b. Coconut black headed caterpillar c. Mango stone weevil d. All of these
Last Answer : d. All of these
Description : Pest which causes damage more than — % in the field is called as major pest. a. 5 b. 15 c. 10 d. 20
Last Answer : c. 10
Description : Phule Yashoda of Jowar is resistant against — pest a. Armyworm b. Midge fly c. Shoot fly d. Stem borer
Last Answer : c. Shoot fly
Description : Kolshi disease of citrus cause due to — pest a. Leaf miner b. White fly & Black fly c. Citrus psylla d. Fruit sucking moth
Last Answer : b. White fly & Black fly
Description : Which of the following pest is known as a. cotton stainer b. Red cotton bug c. White fly d. Weevil Red mite
Last Answer : b. Red cotton bug
Description : The pest which attack both in field and storage of pulse is Gram a. pod borer b. Pulse beetle c. Red gram pod fly d. Pod borer
Last Answer : b. Pulse beetle
Description : In Onion purple blotch on leaves is due to — pest a. Mealy bug b. Thrips c. Mites d. Cut worm
Last Answer : b. Thrips
Description : Which of the following is monophagous pest ? a. Mango hopper b. Banana rootstock weevil c. Papaya aphid d. None of these
Last Answer : b. Banana rootstock weevil
Description : In Mango premature flower and fruit drop is due to the attack of — pest. a. Fruit fly b. Aphids c. Mango hoppers d. Stem borer
Last Answer : c. Mango hoppers
Description : Groundnut wilting and damaged root is symptom of attack of — pest. a. Odontotermes obesus b. Spodoptera litura c. Holotrichia consanguinea d. None of these
Last Answer : c. Holotrichia consanguinea
Description : Most serious pest of Wheat is — a. Termite b. Thrips c. Cut worms d. Leaf hoppers
Last Answer : a. Termite
Description : Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? (A) Lagooning (B) Activated carbon adsorption (C) Biological oxidation pond (D) Chemical coagulation
Last Answer : (B) Activated carbon adsorption
Description : In freeze- drying, water is removed from the product by a. Evaporation b. Sublimation c. Transpiration d. None of these
Last Answer : b. Sublimation
Description : Biological control of agricultural pests, unlike chemical controls is
Last Answer : Biological control of agricultural pests, unlike chemical controls is A. Toxic B. Polluting C. Self perpetuating D. Very expensive
Description : Biological control of agricultural pests, unlike chemical control, is (a) self perpetuating (b) polluting (c) very expensive (d) toxic.
Last Answer : (a) self perpetuating
Description : The two most practical means of the home owner to control insects and diseases are: a. Mechanical and chemical b. Mechanical and biological c. Chemical and biological d. Biological and natural
Last Answer : Mechanical and biological
Description : Which of the following is a Biological method of soil conservations ? (1) Contour farming (2) Contour terracing (3) Gully control (4) Basin listing
Last Answer : Contour farming
Description : The lower limit of moisture by sun drying is approximately ____ percent. a. 10 c. 20 b. 15 d. 30
Last Answer : b. 15
Description : ____ and ____ are already solid and lend themselves to sun or tray drying. a. Cheese, meats c. Cheese, vegetables b. Fruits, vegetables d. Fruits, meats
Last Answer : b. Fruits, vegetables
Description : Pick out the correct statement. (A) A fat is converted into oil by its hydrogenation (B) There is no difference between a fat and an oil so far as its physical properties are ... Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content
Last Answer : (C) All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms
Description : Poverty in less developed countries is largely due to - (1) voluntary idleness (2) income inequality (3) lack of cultural activities (4) lack of intelligence of the people
Last Answer : (2) income inequality Explanation: Despite the developing countries' impressive aggregate growth of the past 25 years, its benefits have only reached the poor to a very limited degree. Not only ... in developed and non-developed countries. Rising unemployment is a major source of spreading poverty.