Description : Salient factors which contribute to the fruit drop are: a. Embryo abortion b. Seed number of fruit c. Moisture supply d. All of the above
Last Answer : All of the above
Description : During storage of vegetable seeds, seed moisture should be a. Less than 10% b. Equal to 10% c. Greater than 10% d. None of above
Last Answer : Less than 10%
Description : The most important seed component affecting seed /viability during storage is: a. Temperature b. Humidity c. Moisture d. Food reserves
Last Answer : Temperature
Description : Stage at which seed achieves it maximum dry weight and has maximum germination potential and vigor is: a. Physiological maturity b. Edible maturity c. Harvest maturity d. None of above
Last Answer : Physiological maturity
Description : Excessive soil moisture, late in the season cause. a. Decrease in TSS decrease in dry matter b. Increase in TSS decrease in dry matter c. Decrease in TSS increase in dry matter d. None of above
Last Answer : Decrease in TSS increase in dry matte
Description : Sweet orange requires a. Dry and semi arid conditions b. Dry and sub humid conditions c. Wet and sub humid conditions b. Non of these
Last Answer : Dry and sub humid conditions
Description : Tip burn of lettuce occurs at high air temperature when the soil is _______: a. Cool b. Dry c. Hot d. Wet
Last Answer : Cool
Description : The fruits which do not naturally open to shed seed are known as: a. Dehiscent fruit b. Fleshy fruit c. Dry fruit d. Indehiscent fruit
Last Answer : Indehiscent fruit
Description : Water melon for seed should be harvested when a. Tendrils wither b. Skin color is green c. Skin color is pale yellow d. Vine dry out
Last Answer : Tendrils wither
Description : Pruning in old fruit trees increases fruit bud formation by increasing ______: a. Carbohydrates b. New vegetative growth c. Hormonal contents d. Cell sap
Last Answer : New vegetative growth
Description : Which of the following crop has high sulphur contents: a. Garlic b. Onion c. Radish d. None
Last Answer : Onion
Description : At fruit bud differentiation, nitrogen contents are _____________: a. Low b. Medium` c. High d. Very high
Last Answer : Low
Description : Which vegetable consist of more Vitamin C contents: a. Tomato b. Turnip c. Radish d. Cauliflower
Last Answer : Tomato
Description : Plants, protein, RNA, DNA contents are increased by a. Auxins b. Adenine c. Cytokinins d. None of above
Last Answer : Cytokinins
Description : Which of the following crop has lowest water contents: b. Cucumber c. Watermelon d. Bottle gourd e. Cauliflower
Last Answer : Cauliflower
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 : 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 : Rest is a natural process in a. Seed b. Seed & plant c. Plant d. Tropical plant
Last Answer : Seed & plant
Description : Tetrazolium test to check seed viability is a. Chemical test b. Enzyme test c. Germination test d. a & c
Last Answer : a & c
Description : The basic underlying principle of using a mist propagation system is that it: a. Keeps the propagation medium uniformly moist and supplies moisture to the base of the cuttings b. ... medium to promote root formation and development d. Increases humidity around the cutting and reduces transpiration
Last Answer : Increases humidity around the cutting and reduces transpiration
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 soil pH level primarily controls: a. Soil temperature b. Activity of soil-borne diseases c. Moisture absorption by roots d. Availability of essential plant nutrients
Last Answer : Availability of essential plant nutrients
Description : The soil moisture conservation technique under covered ground area is called: a. Fertigation b. Mulching c. Microjet irrigation d. Hydraulic
Last Answer : Mulching
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 : Colour of carrot roots is affected by: a. Soil temperature b. Soil moisture c. Soil texture d. All of above
Last Answer : Soil moisture
Description : Bulb production in onion is dependent upon: a. Temperature b. Soil moisture c. Day length d. All of above
Last Answer : Day length
Description : Secondary dormancy in non dormant seeds is due to: j. Temperature a. Moisture b. Aeration c. Ligh
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 : (4) sodium chloride contains hygroscopic impurities like magnesium chloride Explanation: Table salt is refined salt, which contains about 97 to 99 percent sodium chloride. It usually contains substances that ... of salt it become wet in rainy season as the salt absorbs moisture from environment.
Last Answer : Which of the following could be used as fuel in propellant or rockets? (1) Liquid Hydrogen + Liquid Nitrogen (2) Liquid Oxygen + Liquid Argon (3) Liquid Nitrogen + Liquid Oxygen (4) Liquid Hydrogen + Liquid Oxygen
Description : Growing medium kept too wet will deprive the plant: a. Soluble salts b. Water c. Oxygen d. Fertilizer
Last Answer : Oxygen
Description : Commercial flower crops are sometimes watered to cause leaching. This means: a. Watering to spread fertilizer nutrients more evenly throughout the plant root system b. Watering to remove excess soluble salts from ... only to wet the top 1/3 of the growing medium d. Watering by subsurface methods
Last Answer : Watering to remove excess soluble salts from the growing medium
Description : Humidification is the process of addition moisture in air at A. constant wet bulb temperature B. constant dry bulb temperature C. constant latent heat D. none of the above
Last Answer : ANSWER : B
Description : If moisture content of solid on dry basis is X, then the same on wet basis is (A) X/(X + 1) (B) X/(1 - X) (C) (1 + X)/X (D) (1 - X)/X
Last Answer : (A) X/(X + 1)
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 : To remove all the moisture from a wet solid it requires exposure to __________ air. (A) Perfectly dry (B) Highly humid (C) High temperature (D) None of these
Last Answer : (A) Perfectly dry
Description : Pick up the incorrect statement from the following: (A) Compaction has no effect on the structure of a soil (B) Permeability decreases with increase in the dry density of a compacted soil (C) ... a dry side compacted soil (D) Dry side compaction soils swell more when given access to moisture
Last Answer : (A) Compaction has no effect on the structure of a soil
Description : For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as (A) Dry of OMC and wet of OMC (B) Wet of OMC and dry of OMC (C) Wet of OMC and wet of OMC (D) Dry of OMC and dry of OMC where OMC is optimum moisture content
Last Answer : Answer: Option B
Description : When there is sufficient power available some soil types are ploughed ………… A. Wet. C) Dry B. Moisture. D) Non of the above.
Last Answer : Dry
Description : A transplanted tree or shrub should be set into the ground: a. 50 percent deeper than it was originally planted b. So that the top roots are exposed to the air c. With the top of the container slightly covered d. At the same depth at which it was originally growing
Last Answer : At the same depth at which it was originally growing
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 : Almond is a drupe fruit, in which the edible portion is: a. Pericarp b. c. Seed d. Mesocarp
Last Answer : Seed
Description : Guava seed before germination requires: a. Fungicide treatment b. Chemical treatment c. Commercial grade H2SO4 treatment d. All of above
Last Answer : Commercial grade H2SO4 treatment
Description : Seed germination percentage of rough lemon is: a. 50-60% b. 60-70% c. 70-80% d. 80-90%
Last Answer : 60-70%
Description : The germination of seed in which cotyledons come above ground is a. Epigeal b. Hypogeal c. Epigynous d. Epipetalous
Last Answer : Epigeal
Description : The nutritive tissue around the embryo in seed is a. Endosmosis b. Endodermis c. Endosperm d. Embryo-sac
Last Answer : Endosperm
Description : High seed germination in cucumber occurs under temperature range of: a. 20-25°C b. 25-30°C c. 15-25°C d. None of above
Last Answer : 20-25°C
Description : Ripened ovary is called as: a. Flower b. Seed c. Fruit d. Embryo
Last Answer : Fruit
Description : The development of fruit without fertilization or seed is called as: a. Pollination b. polyembryony c. pseudogamy d. Parthenocarpy
Last Answer : Parthenocarpy
Description : Mushroom seed is called: a. Spawn b. Seed c. Button d. None
Last Answer : Spawn
Description : Edible part of pomegranate is a. Seed b. Vesicles c. Mesocarp d. Aril
Last Answer : Aril