Description : The detrimental effect of one of higher plants on other higher plants is known as
Last Answer : Ans.Allelopathy
Description : Which is accumulated in the leaves of water stressed plants
Last Answer : Ans.ABA
Description : The process in which soil water lost from leaves of plants in the form of vapour and enters the surrounding atmosphere.
Last Answer : Ans.Transpiration
Description : The moisture content of a soil at which plants permanently wilt and will not recover.
Last Answer : Ans.Permanent wilting point (PWP)
Description : Mustard crop planted at a spacing of 50 x 20 cm will have _______ plants/ha.
Last Answer : Ans.1,00,000
Description : The C4 Plants are
Last Answer : Ans.Maize, Sorghum, Bajra, Sugarcane, Millets.
Description : The C3 Plants are
Last Answer : Ans.Rice, Wheat, Barley, Pea, Gram, Mustard and Rye, Cotton, Arhar, Soybean, Sunflower, Lentil, Sugarbeet, Tomato etc.
Description : Day neutral Plants are
Last Answer : Ans.Cotton, maize, sunflower, safflower, groundnut, buck wheat, tomato.
Description : In which plants CAM pathway is present? -Biology
Last Answer : answer:
Description : CAM helps the plants in
Last Answer : CAM helps the plants in A. Reproduction B. Conservation water C. Secondary growth D. Disease resistance
Description : Assertion : Dark acidification of cytoplasm occurs in CAM plants. Reaon : Orgnaic acids are decarboxylated during night.
Last Answer : Assertion : Dark acidification of cytoplasm occurs in CAM plants. Reaon : Orgnaic acids are ... . If both Assertion and Reason are false.
Description : In the mesophyll cells of CAM plants, `CO_(2)` fixation during the night day occurs through
Last Answer : In the mesophyll cells of CAM plants, `CO_(2)` fixation during the night day occurs ... carboxylase D. Both RuBP carboxylase and PEP carboxylase
Description : The first stable product in `CAM//C_(4)` plants is
Last Answer : The first stable product in `CAM//C_(4)` plants is A. Starch B. Oxalo-acetic acid C. Sugar D. Malic acid
Description : The example of CAM plants are
Last Answer : Ans. Pineapple and Opuntia
Description : Photo-respiration rate is highest in which group of plants? (A) C3 plants (B) CAM plants (C)C4 plants (D) None of these
Last Answer : (A) C3 plants
Description : The plants which open their stomata during night for taking CO4 are known as (A) C3 (B) CAM (C)C4 (D) All of above
Last Answer : (B) CAM
Description : Kranz anatomy is typical of (a) C4 plants (b) C3 plants (c) C2 plants (d) CAM plants.
Last Answer : (a) C4 plants
Description : Stomata of CAM plants (a) are always open (b) open during the day and close at night (c) open during the night and close during the day (d) never open.
Last Answer : (c) open during the night and close during the day
Description : CAM helps the plants in (a) conserving water (b) secondary growth (c) disease resistance (d) reproduction.
Last Answer : (a) conserving water
Description : Select the false statement ? a. CAM cycle occurs in Mesophyll cells b. C3 plants are more efficient in photosynthesis than C4 plants c. Pineapple is CAM plant d. Maize is C4 plant
Last Answer : b. C3 plants are more efficient in photosynthesis than C4 plants
Description : The full form of LEISA is
Last Answer : Ans.Low External Input Sustainable Agriculture
Description : The crop grown on degraded land for improvement is called
Last Answer : Ans.Conservation crop
Description : Bench Terracing is practiced on
Last Answer : Ans.Steep slopping (16-33%) and undulated land
Description : Contour Bunding is adopted where
Last Answer : Ans.Land slope (6 %) and in areas where average annual rainfall is < 600 mm.
Description : The most popular mechanical measure to control soil erosion and conserve is
Last Answer : Ans.Contour Bunding
Description : About 50-75% of soil erosion by wind is carried out by
Last Answer : Ans.Saltation
Description : What are the types of soil movement in the process of wind erosion?
Last Answer : Ans.Saltation, Suspension and Surface creep
Description : Detachment and transportation of top soil particles by wind and or by water is known as.
Last Answer : Ans.Soil erosion
Description : The Bright Red coloured triangle in herbicide shows
Last Answer : Ans.Extremely toxic group (IX) Soil and Water Conservation
Description : Which of the following causes more wastage of herbicide by drift?
Last Answer : Ans.Ultra-low volume sprayer
Description : BIPOLARIS is used to control weed
Last Answer : Ans.Johnson grass
Description : First commercial Bio-herbicide is
Last Answer : Ans.DEVINE
Description : The most dominant aquatic weed Eichhornia crassipes is controlled by
Last Answer : Ans.Neochetina bruchi
Description : Parthenium hysteroforus is biologically controlled by
Last Answer : Ans.Zygrogramma bicolarata
Description : First biologically controlled weed is
Last Answer : Ans.Lantana camara
Description : Which of the following is a indicator plant for the bioassay of Atrazine?
Last Answer : Ans.Soybean
Description : Which of the following weed having herbicide resistance?
Last Answer : Ans.Avena fatua
Description : What is the concentration of solution in ppm if 2 kg of 2,4-D is mixed with 1000 lit of water?
Last Answer : Ans.2000
Description : Herbicides are not used in dust formulation because of
Last Answer : Ans.Drifting hazards
Description : Which is a contact selective herbicide?
Last Answer : Ans.Propanil
Description : Which herbicide shows Knock down effect?
Last Answer : Ans.Paraquate, Diquate and Glyphosate
Description : Paraquate is a
Last Answer : Ans.Contact herbicide
Description : What is the trade name of Fenoxa prop-ethyl?
Last Answer : Ans.Whip super
Description : What is the trade name of Pendimethalin?
Last Answer : Ans.Stomp
Description : What is the trade name of Nitrofen?
Last Answer : Ans.Toke E-25
Description : What is the trade name of Glyphosate?
Last Answer : Ans.Roundup
Description : What is the trade name of Ethoxy sulfuron?
Last Answer : Ans.Sunrise
Description : What is the trade name of Chlorimuron 10% + Metasulfuron-methyl 10%?
Last Answer : Ans.Almix
Description : What is the trade name of Chlorimuron-ethyl?
Last Answer : Ans.Classic, Kloben
Description : What is the trade name of Alachlor?
Last Answer : Ans.Lasso