Description : Which pest causes severe damage to rice panicle at night?
Last Answer : Ans. Rice Army worm (Mythimna saparata)
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 : Flat tyre causes maximum damage at a speed of (a) 90 to 100 kmph (b) 25 to 30 kmph* (c) 10 to 15 kmph (d) 15 to 20 kmph
Last Answer : (b) 25 to 30 kmph*
Description : Ferrous sulphate contains — % Fe a. 10 b. 20 c. 30 d. 40
Last Answer : b. 20
Description : The minimum TSS content in RTS beverage is — % a. 10 b. 20 c. 30 d. 40
Last Answer : a. 10
Description : In mixed farming at least — % gross income contributed by livestocks. a. 10 b. 20 c. 30 d. 40
Description : An ordinary Portland cement when tested for its fineness, should not leave any residue on I.S. sieve No. 9, more than (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Last Answer : (B) 10 %
Description : The individual variation between test strength of sample should not be more than (A) ±5 % of average (B) ± 10 % of average (C) ± 15 % of average (D) ±20 % of average
Last Answer : Answer: Option C
Description : A stone is rejected if it absorbs water more than (A) 5 % (B) 10 % (C) 15 % (D) 20
Last Answer : Answer: Option B
Description : A good building stone should not absorb water more than (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Last Answer : Answer: Option A
Description : 3 to 9 m deep and 18 m or more with 8 to 15 % slope gullyformed in water erosion is —- type a. Very small gully b. Small gully c. Medium gully d. None of these
Last Answer : c. Medium gully
Description : What should be the moisture content of the seed if it is stored for long term? a. 12-16% b. 15-18% c. 3-5 % d. 6-8%
Last Answer : d. 6-8%
Description : By over-reinforcing a beam, the moment of resistance can be increased not more than (A) 10 % (B) 15 % (C) 20 % (D) 25 %
Last Answer : Answer: Option D
Description : A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than (A) 10 % (B) 15 % (C) 20 % (D) 25 %
Description : To be designated as Clay soil, A soil must contain at least — % clay separates. a. 40 b. 15 c. 35 d. 75
Last Answer : c. 35
Description : The catalytic converter for conversion of SO2 to SO3 by contact process should have a feed with SO2 content between (A) 2-5 % (B) 7-10 % (C) 12-15 % (D) 20-25 %
Last Answer : (B) 7-10 %
Description : The weight of a pycnometer containing 400 g sand and water full to the top is 2150 g. The weight of pycnometer full of clean water is 1950 g. If specific gravity of the soil is 2.5, the water content is (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Last Answer : (D) 20 %
Description : 1% of voids in a concrete mix would reduce its strength by about (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Last Answer : (A) 5 %
Description : In case of hand mixing of concrete, the extra cement to be added is (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Description : While designing a water supply of an industrial township, industrial and commercial water demand of total supply, is assumed (A) 10 % (B) 10 to 15 % (C) 15 to 20 % (D) 20 to 25 %
Last Answer : (D) 20 to 25 %
Description : The moisture content in a well seasoned timber is (A) 4 % to 6 % (B) 10 % to 12 % (C) 15 % to 20 % (D) 100 %
Description : The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick (A) 20 % (B) 15 % (C) 10 % (D) None of these
Description : A concrete structure is set on fire and the temperature raises to 1000°C. The strength of concrete as compared to original strength reduces to (A) 10 % (B) 15 % (C) 20 % (D) 25 %
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 : Sun drying is — method of pest control. a. Physical b. Chemical c. Biological d. Cultural
Last Answer : a. Physical
Description : Cultivation of resistant variety is —- method of pest control. a. Physical b. Chemical c. Biological d. Cultural
Last Answer : d. Cultural
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 : 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 : 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 : 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 : A first class brick when immersed in cold water for 24 hours should not absorb water more than (A) 15 % (B) 20 % (C) 22 % (D) 25 %
Description : Thinner particles responsible for deteriorating the air quality resulting in the damage of vital body organs are referred as PM: (1) 15.5 (2) 10.5 (3) 2.5 (4) 20.5
Last Answer : (3) 2.5 Explanation: The term fine particles, or particulate matte: 2.5 (PM25), refers to tiny particles or droplets in the air that are two and one half microns or less in ... Exposure to fine particles can also affect lung function and worsen medical conditions such as asthma and heart disease.
Description : Thinner particles responsible for deteriorating the air-quality resulting in the damage of vital body organs are referred as PM: (1) 15.5 (2) 10.5 (3) 2.5 (4) 20.5
Last Answer : 2.5
Description : Catchment Command Area (CCA) of major irrigation projects must be more than ______ a. 8,000 hectares b. 12,000 hectares c. 10,000 hectares d. 15, 000 hectares
Last Answer : c. 10,000 hectares
Description : 62)The no-load current drawn by transformer is usually........percent of the full-load current? A. 0.2 to 0.5 % B. 2 to 5% C. 12 to 15 % D. 20 to 30 %
Last Answer : B) 2 to 5%
Description : In — farming income from subsidiary enterprises does not exceed 10 % a. Diversified farming b. Dry farming c. Mixed farming d. Specialized farming
Last Answer : c. Mixed farming
Description : The efficiency of a internal combustion engine normally is of the order of a. 15-20 % b. 20-25% c. 25-30% d. 30-35%
Last Answer : ANSWER d. 30-35%
Description : For determining the moisture content of a soil sample, the following data is available Weight of container = 260 g, Weight of soil sample and = 320 g container, Weight of soil sample (dried) and = 310 g container. The moisture content of the soil sample, is (A) 15 % (B) 18 % (C) 20 % (D) 25 %
Last Answer : (C) 20 %