Description : In gymnosperms, the pollen chamber represents (a) a cavity in the ovule in which pollen grains are stored after pollination (b) an opening in the megagametophyte through which the pollen tube approaches the ... pollen grains develop (d) a cell in the pollen grain in which the sperms are formed.
Last Answer : (c) the microsporangium in which pollen grains develop
Description : It is a machine to separate grains from the harvested crop and provide clean grain without much loss and damage. a. Weeder c. mower d. None of above
Last Answer : Ans- b. thresher
Description : To separate grains from the harvested crop and provide clean grain without much loss and damage which called as A) Potato digger elevator B) Groundnut digger shaker C) Reaper binder D) Threshing
Last Answer : Threshing
Description : What is the most important factor for the growth of pests in stored grains? (a) The moisture of grains (b) The temperature of grains (c) The moisture and temperature of grains (d) None of the above
Last Answer : Ans:(c)
Description : Thresher blows broken grains with chaff due to a) Higher cylinder speed. b) More feed Rate c) More cylinder concave clearance d) Moisture content of the crop is more
Last Answer : a) Higher cylinder speed.
Description : What is the moisture content of seeds when germination starts ?
Last Answer : Germination starts when seed moisture is 35-60 %.
Description : What is the moisture content of seeds during harvesting from the field ?
Last Answer : Seed moisture is 18-40% at harvest time .
Description : Maximum moisture content for safe storage in wheat seed is (a) 12 (b) 15 (c) 7 (d) 20
Last Answer : (a) 12
Description : Rice is having protein content of (a) 3-4% (b) 10% (c) 10-12% (d) 6-7%
Last Answer : (d) 6-7%
Description : It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The ... 5%). (A) 15 min (B) 51 min (C) 71 min (D) 94 min
Last Answer : (C) 71 min
Description : A compacted soil sample using 10% moisture content has a weight of 200 g and mass unit weight of 2.0 g/cm3 . If the specific gravity of soil particles and water are 2.7 and 1.0, the degree of saturation of the soil is (A) 11.1 % (B) 55.6 % (C) 69.6 % (D) None of these
Last Answer : (B) 55.6 %
Description : Pick up the correct statement from the following: (A) Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38% (B) The bulking of fine sand is ... the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing (D) All the above
Last Answer : Answer: Option D
Description : According to IS 399-1963, the weight of the timber is specified at (A) 8% moisture content (B) 10% moisture content (C) 12% moisture content (D) 14% moisture content
Last Answer : Answer: Option C
Description : The bulking of sand with 2% moisture content is about a) 5% b) 10% c) 15%* d) 20%
Last Answer : c) 15%*
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 : The plant parts which consist of two generations- one within the other (1) pollen grains inside the anther (2) germinated pollen grain with two male gametes (3) seed inside the fruit (4) embryo sac inside the ovule (a) (1) only (b) (1), (2), and (3) (c) (3) and (4)
Last Answer : (d) (1) and (4).
Description : In a thresher, by increasing the speed of threshing cylinder a) Threshing efficiency can be increased b) Broken grain loss can be minimized c) Un-threshed grains can be increased d) Straw breakup can be increased Ans. a
Last Answer : ans a
Description : Yellow revolution is associated with – a. Potato b. Fertilizers c. Food Grains d. Oil Seed Production
Last Answer : c. Food Grains
Description : How does the supply of nitrogen in grains take place? (a) From old leaves (b) From plant roots (c) From stem (d) By photosynthesis
Last Answer : (a) From old leaves
Description : The Minimum Support Price for Food grains was introduced in the year – a) 1954 b) 1944 c) 1964 d) 1974
Last Answer : c) 1964
Description : Which grain is more nutritious ?
Last Answer : Corn is more nutritious.
Description : Rice grain is deficient in (A) Lysine (B) Alanine (C) Glycine (D) Isoleucine
Last Answer : (A) Lysine
Description : Monoculture i.e single crop grown over a large area is also known as? a. Commercial Grain Farming b. Intensive Farming c. Multiple Farming d. Mixed Farming e. Plantation Farming
Last Answer : e. Plantation Farming
Description : The growing of grass or legumes in rotation with grain or tilled crops as a soil conservation measure is termed as? a. Crop rotation b. Ley farming c. Shifting cultivation d. Dairy farming e. Mixed farming
Last Answer : b. Ley farming
Description : Which of the following is not matched ? (a) Varuna —lrrigated or unirrigated condition (b) Vardan—Un.irrigated condition (c) Narendra•85 —Saline soil (d) K-88-Black grain
Last Answer : (d) K-88-Black grain
Description : Monoculture is a typical characteristics of – a) Shifting cultivation b) Subsitence farmingc) Specialized horticulture d) Commercial grain farming
Last Answer : d) Commercial grain farming
Description : Percentage protein in maize grain is about (a) 2 (b) 5 (c) 10 (d) 9.2
Last Answer : (c) 10
Description : The grain legume which is also grown as an oilseed crop is (a) Chickpea (b) Urd bean (c) Soybean (d) Lentil
Last Answer : (a) 1880
Description : Which insect attacks white stalks on rice stalks after flowering ?
Last Answer : After flowering, white stalks appear on the stalks of rice due to the attack of Mazra insects.
Last Answer : Harmful to sugarcane plant is "Mazra Insect".
Description : Piercing and sucking type mouth-parts are present in the insect a. Isoptera b. Hemiptera c. Orthoptera d. Lepidoptera
Last Answer : b. Hemiptera
Description : Highly evolved insect order is (a) Hymenoptera (b) Coleoptera (c) Hemiptera (d) Diptera
Last Answer : (a) Hymenoptera
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 : Soldier insect harms which crop more (a) Urad (b) Arhar (c) Moong (d) Paddy
Last Answer : (d) Paddy
Description : How much moisture will the grass have to make ?
Last Answer : The moisture content of the grass will be 15 to 20 percent.
Description : What is the percentage of moisture in fish food that can cause fungi or insects ?
Last Answer : If the moisture content of fish food is more than 10% , fungi or insects can grow.
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 : Which of the following factors does not affect the nitrification ? (A) Air (B) Seed (C) Temperature (D) Moisture
Last Answer : (B) Seed
Description : Moisture condensed in small drops upon cool surface is called— (A) Hail (B) Dew (C) Snow (D) Fog
Last Answer : (B) Dew
Description : With reference to agriculture, what are Smother Crops ? a Crops that are grown for grazing of harvesting for immediate or future feeding of livestock. b Crops grown to conserve the soil ... season when main crop fails. e Crops whose culture practices allow the infestation of weeds intensively.
Last Answer : e Crops whose culture practices allow the infestation of weeds intensively.
Description : Aluminum is a very light metal which resists a) scratch b) moisture c) temperature d) corrosion
Last Answer : d) corrosion
Description : What is the contribution of Animal Husbandry Sector in the agricultural growth ? (A) 10% (B) 12% – 15% (C) 7% – 9% (D) 5%
Last Answer : (C) 7% – 9%
Description : How much is the fat percentage in the milk of Bhadavari buffalo ? (a) 15 — 18% (b) 8 – 13% (c) 13 – 16% (d) 6 – 10%
Last Answer : (b) 8 – 13%
Description : Rice covers how much % of total arable area of world (a) 5% (b) 6% (c) 9% (d) 10%
Last Answer : (d) 10%
Description : 80 per cent phosphorus in bajra grains stored in the form of
Last Answer : Ans.Phytate
Description : Which one of the following statements is not true? (a) Pollen grains of many species cause severe allergies. (b) Stored pollen in liquid nitrogen can be used in the crop breeding programmes. (c) Tapetum helps in the dehiscence of anther. (d) Exine of pollen grains is made up of sporopollenin.
Last Answer : (c) Tapetum helps in the dehiscence of anther.
Description : Pollen grains can be stored for several years in liquid nitrogen having a temperature of (a) –120°C (b) –80°C (c) –196°C (d) –160°C
Last Answer : (c) –196°C
Description : Pollen grains can be stored for several years in liquid nitrogen having a temperature of (1) –120°C (2) –80°C (3) –196°C (4) –160°C
Last Answer : (3) –196°C
Description : Copy of data created for safe storage is a) Saved copy b) Backup c) Dcopy d) Stored copy -Technology
Last Answer : Copy of data created for safe storage isBackup
Description : Increasing non grain feed rate increase (a) Cylinder losses (b) Seed damage (c) Both (a) and(b) (d) None of the above
Last Answer : (a) Cylinder losses