Description : Secondary dormancy in non dormant seeds is due to: j. Temperature a. Moisture b. Aeration c. Ligh
Last Answer : Temperature
Description : The dormancy due to hard seed coat or impermeable seed coats
Last Answer : Ans. Scarification
Description : Treatment of seeds at low temperature under moist conditions to break its dormancy is called (a) stratification (b) scarification (c) vernalization (d) chelation.
Last Answer : (c) vernalization
Description : Seed dormancy is induced by
Last Answer : Ans. Abscisic acid
Description : Seed dormancy of seed is broken by
Last Answer : Ans. Cytokinin
Description : Seed dormancy of potato tubers is broken by treating tubers with
Last Answer : Ans. Thiourea 1%
Description : The rice variety which has no seed dormancy
Last Answer : Ans. I.R.-50
Description : Removal of moisture from the food materials for preservation
Last Answer : Ans. Dehydration
Description : The standard method of seed moisture estimation
Last Answer : Ans. Oven dry method
Description : A field soil sample weighing 60 g, lost12 g on over dying. What is the moisture percent on dry weight basis?
Last Answer : Ans. 25%
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 : Berry splitting in citrus and strawberry is due to a. High temperature b. Low moisture c. High sunlight d. High air pressure
Last Answer : High temperature
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 : The condition not applicable to water cement ratio law, is (A) Internal moisture conditions on hydration continue till complete strength is gained (B) Concrete specimens may be tested at any temperature (C) Concrete specimens need be of same age (D) Concrete specimens need be of same size
Last Answer : Answer: Option B
Description : The rocks gets broken in pieces due to temperature is called
Last Answer : Ans. Exfoliation
Description : $ Those lateral buds which are near the apical bud are called dormant buds. ! Dormancy of lateral buds is due to Apical dominance
Last Answer : $ Those lateral buds which are near the apical bud are called dormant buds. ! Dormancy of lateral buds is ... is wrong D. If both As and R are wrong.
Description : Seed dormancy is due to?
Last Answer : Abscisic acid
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 : Reduction or elimination of dormancy in crop plant is due to : a. Domestication b. Hybridization c. Mutation h. Acclimatization
Last Answer : Acclimatization
Description : Seed dormancy is due to the (a) ethylene (b) abscisic acid (c) IAA (d) starch.
Last Answer : (b) abscisic acid
Description : The slow rate of decomposition of fallen logs in nature is due to their (a) anaerobic environment around them (b) low cellulose content (c) low moisture content (d) poor nitrogen content.
Last Answer : (d) poor nitrogen content.
Description : Black cotton soil is unsuitable for foundations because its (A) Bearing capacity is low (B) Permeability is uncertain (C) Particles are cohesive (D) Property to undergo a volumetric change due to variation of moisture content
Last Answer : Answer: Option D
Description : Multiplication of cell of large number of plants placed in appropriate environment conditions with required nutrients is known as
Last Answer : Ans. Plant tissue or in vitro culture
Description : The capacity of the soil to change its shape under moist conditions
Last Answer : Ans. Soil Plasticity
Description : Consider the following four conditions (1 - 4) and select a correct pair of them as adaptations to environment in desert lizards. Conditions: 1. Burrowing in soil to escape high temperature. 2. Losing heat rapidly from the body during ... to thick fatty dermis. (a) 3, 4 (b) 1, 3 (c) 2, 4 (d) 1, 2
Last Answer : (b) 1, 3
Description : Rate of low temperature oxidation of coal due to bad storage conditions (A) Decreases with increase in surface area (B) Does not vary with increase in surface area (C) Is more for low volatile ... to high volatile coal (D) Is accelerated by storage in large heaps with small surface to volume ratio
Last Answer : (D) Is accelerated by storage in large heaps with small surface to volume ratio
Description : Which of the following statements describes the significance of ambient temperature in relation to the service life of electronic components? A. Ambient temperature should be as high as possible to drive ... is kept low. D. A reduced ambient temperature causes a corresponding reduced service life.
Last Answer : Answer: B
Description : Cracking in tomato fruit is due to: a. High nitrogen level b. Temperature fluctuations c. Soil moisture fluctuations a. All of these
Last Answer : All of these
Description : How much insulation R factor do I need in exterior walls for Southeast Georgia sumertime heat Is greenboard and plastic necesary for carboy long term storage and screw cap 1.75 liter bottle storage How important is moisture in those conditions?
Last Answer : Plastic deteriorates in the sun. Good insulation is very important. I suggest going to Home Depot. They have free classes.
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 : In a laboratory test run, the rate of drying was found to be 0.5 x 10 - 3 kg/m2 .s, when the moisture content reduced from 0.4 to 0.1 on dry basis. The critical moisture content of the material is 0.08 on a dry ... of the solids from 0.3 to 0.2 (dry basis) is (A) 2000 (B) 4000 (C) 5000 (D) 6000
Last Answer : (C) 5000
Description : n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In each batch about 120 ... dryer and the dryer efficiency is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.
Last Answer : Given that Qty of material dried per batch - 120 Kgs Moisture at inlet - 60% a. The quantity of moisture removed per batch. Water quantity in a wet batch - 120 x 0.6 = 72 Kgs. Quantity of bone dry ... - 48/0.95 = 50.5 Kgs. Equivalent water in a dry batch - 50.5 - 48 = 2.5 Kgs.
Description : Lister planting or furrow planting is practiced for (a) High rainfall areas to improve surface drainage (b) Semi-arid conditions to place seed deep in moist soil (c) Areas where natural moisture conditions are favourable (d) Irrigated areas leaving more space for operation of equipments
Last Answer : (b) Semi-arid conditions to place seed deep in moist soil
Description : Planting of low growing plants along with paths, roads, flower beds, lawns etc. for demarcation and beautification
Last Answer : Ans. Edge
Description : The variation due to uncontrolled factors
Last Answer : Ans. Experimental error
Description : Risks arise due to changes in Government policies are termed as a
Last Answer : Ans. Institutional risk
Description : Irritation of eye due to cutting onion is due to presence of
Last Answer : Ans. Pyruvic acid (IV) ORNAMENTAL HORTICULTURE
Description : Pungency of onion is due to
Last Answer : Ans. Allyl Propide di-sulphide
Description : Pungency in garlic is due to
Last Answer : Ans. Alicin, Allinase
Description : Anti-cancer property of cabbage is due to
Last Answer : Ans. Indole-3-Cardinal
Description : Bitterness in cucumber is due to
Last Answer : Ans. Metaxenia
Description : Fruit cracking of tomato is due to
Last Answer : Ans. B deficiency (2) Brinjal
Description : Blossom end rot of tomato is due to
Last Answer : Ans. Ca deficiency
Description : Discolouration of apple after cutting is due to
Last Answer : Ans. Enzymes
Description : Redness in apple is due to
Last Answer : Ans. Anthocyanin
Description : Red pigment in litchi is due to
Description : Internal fruit necrosis is due to
Last Answer : Ans. Boron deficiency (2) Guava
Description : Spongy tissue is due to
Last Answer : Ans. Convection heats
Description : Damping off of chilly seedlings is due to
Last Answer : Ans. Pithium sp
Description : Damping off of Brinjal seedlings is due to
Last Answer : Ans. Pithium sp (15) Other Vegetable Diseases