Agriculture Selected Questions
1. Buttoning in cauliflower is caused due to deficiency of which nutrient?
(1) Potassium
(2) Phosphorus
(3) Nitrogen
(4) Calcium
2. Hemi root parasite weed of cowpea is
(1) striga gasrnerioides
(2) orobanche sp
(3) cuscuta epilinum
(4) Loranthus longiflorus
3. Inflorescence of sunflower plant is —
(1) Raceme
(2) Spike
(3) Catkin
(4) Capitulum
4. The water use efficiency (kg/ha mm) of groundnut is —
(1) 3.0
(2) 8.0
(3) 9.2
(4) 12.6
5. Which category of bread wheat contains 12-14% protein and most suitable for making bakery bread?
(1) Indian hard wheat
(2) Indian pissi wheat
(3) Indian sona wheat
(4) Indian amber wheat
6. What is the permissible limit of biuret content in urea for foliar spray and soil application, beyond which it is toxic to plants?
(1) 0.3% and 1.0%
(2) 0.5% and 1.5%
(3) 0.7% and 1.5%
(4) 1.0% and 2.0%
7. ‘Little leaf’ of cotton occurs due to the deficiency of which nutrient?
(1) Mn
(2) Zn
(3) B
(4) Ca
8. Which of the following clay mineral is dominant in red soil?
(1) Illite
(2) Smectite
(3) Mica
(4) Kaolinite
9. State of India which has highest area under certified organic agriculture
(1) Rajasthan
(2) Madhya Pradesh
(3) Gujarat
(4) Uttar Pradesh
10. Magnesium content (%) in calcium ammonium nitrate ‘fertilizer as mentioned in F.C.O., 1985 is
(1) 2.5%
(2) 3.5%
(3) 4.5%
(4) 5.5%
11. In which agro-climatic zone of India “The soils are mostly alluvial and are prone to floods”?
(1) Lower Gangetic plains zone
(2) Middle Gangetic plains zone
(3) Upper Gangetic plains zone
(4) Trans-Gangetic plains zone
12. Pungency in Garlic is due to
(1) Diallyl di sulphide
(2) Allyl-Propyl-di sulphide
(3) Isothiocyanate
(4) Solanin
13. Which fruit plant bears capsule type of fruits?
(1) Guava
(2) Aonla
(3) Apple
(4) Ber
14. The parent of Arka Aruna variety of mango are —
(1) Banganapalli x Alphanso
(2) Rumani x Mulgoa
(3) Rumani x Neelum
(4) Alphanso x Neelum
15. “Arka Harit” is a variety of —
(1) Tomato
(2) Pea
(3) Bitter gourd
(4) Brinjal
16. Petal burn in Chrysanthemum is due to deficiency of which nutrient?
(1) Copper
(2) Boron
(3) Calcium
(4) Potassium
17. Acid percent in jam is —
(1) 0.1 to 0.2
(2) 0.5 to 0.6
(3) 0.9 to 1.0
(4) 1.5 to 2.0
18. Black heart is a common physiological disorder of which vegetable?
(1) Tomato
(2) Potato
(3) Okra
(4) Radish
19. Gerbera is propagated by —
(1) Division
(2) Corm
(3) Rhizome
(4) Runners
20. Which variety among the following is | suitable for extraction of capsaicine?
(1) Aparna
(2) Muslabadi
(3) Pusa Jwala
(4) X-235
Practice Papers for Agriculture Students
21. “Flaming Sunset” is a variety of —
(1) Rose
(2) Chrysanthemum
(3) Marigold
(4) Gerbera
22. Propagation method of vetiver is —
(1) Clump
(2) Budding
(3) Grafting
(4) Corm
23. In maize cytoplasmic male sterility was discovered by
(1) Jenkins
(2) Correns
(3) Rhoads
(4) Burton
24. In Oenothera spp heterosis is naturally fixed through
(1) Apomixis
(2) Balanced lethal system
(3) Vegetative propagation
(4) Mutation
25. Male sterile line Tift 23 A is related to
(1) Wheat crop
(2) Pearl millet crop
(3) Rice crop
(4) Maize crop
26. In wheat, the Ph gene which Suppresses homologous pairing between chromosomes is located on chromosome
(1) 5B
(2) 5D
(3) 5A
(4) SC
27. Kinnow is a cross between
(1) King and Willow leaf
(2) Mandarin and Sweet orange
(3) Willow leaf and Wilking
(4) King and Queen
28. Spacing between fruit plant is determined on the basis of
(1) Choice of planer
(2) Spreading behavior of plants
(3) Availability of land
(4) All of these
29. Which one of the following fruits is cured in smoke for ripening?
(1) Mango
(2) Guava
(3) Jackfruit
(4) Banana
30. Which one of the following is not a self incompatible fruit crop?
(1) Pear
(2) Mango
(3) Apple
(4) Guava
31. French merogold is
(1) Diploid
(2) Tetraploid
(3) Triploid
(4) Aneuploid
32. First 15 cm layer of land which is ploughed for cultivation of crop is called
(1) Furrow slice
(2) Rhizosphere soil
(3) Soil horizon
(4) Soil profile
33. Dominant organisms found in a compost pit are
(1) Thermophilic
(2) Psychrophilic
(3) Mesophilic
(4) All of these
34. The direct exchange of ions between the roots and clay colloids called
(1) Soil solution theory
(2) Contact exchange theory
(3) Diffusion theory
(4) None of the above
35. Phosphorus is essential for
(1) Cell division
(2) Development of meristematic tissues
(3) Both of these
(4) None of these
36. Hybrid seeds can be produced through open pollination with the use of
(1) Inbreds
(2) Clones
(3) Pure lines
(4) Male fertile lines
37. In C4 pathway CO2 combines with
(1) Ribulose monophosphate
(2) Phosphoglyceric acid
(3) Ribulosediphosphate
(4) Phosphoenol pyruvate
38. Wilt disease takes place in
(1) Guava
(2) Papaya
(3) Mango
(4) Ber
39. Diphenyl amine is an indicator which is used in determination of
(1) Organic carbon
(2) Phosphorus
(3) Potassium
(4) Boron
40. Humus colloids are composed basically of
(1) Carbon
(2) NPK
(3) Ozone
(4) Helium
41. The first passage through which nutrients enters into the leaves
(1) Intercuticular passage
(2) Mesophyll tunnel
(3) Cell wall plasmic membrane
(4) None of the above
42. In RNA, nitrogen bases are same as in DNA except
(1) Uracil instead of Thymine
(2) Cytosin instead of Thymine
(3) Adenine instead of Guanine
(4) Thymine instead of Adenine
43. Which is citrus nematode?
(1) Hoplolaimus
(2) Pratylenchus
(3) Rotylenchulus
(4) Tylenchus
44. Taphrina causes the disease
(1) Chillies leaf curl
(2) Tomato leaf curl
(3) Peach leaf curl
(4) Brinjalleaf curl
45. Breeder seed is the progeny of
(1) Foundation seed
(2) Registered seed
(3) Nucleus seed
(4) Certified seed
46. The number of functional plant nutrients are
(1) 26
(2) 20
(3) 16
(4) 10
47. The fruit of linseed is known as
(1) Pod
(2) Canum
(3) Seedball
(4) Knob
48. If a dihybrid is test crossed, the phenotypic ratio of progeny will be
(1) 9:3:3:1
(2) 9:3:4
(3) 1:1:1:1
(4) 15:1
49. Golden Acre is a variety of
(1) Cabbage
(2) Radish
(3) Potato
(4) Tomato
50. Which of the following disease is caused by mycoplasma like ———— organisms?
(1) Papaya ringspot
(2) Banana bunchy top
(3) Chillileaf curl
(4) Brinjal little leaf
51. Potometer is used to measure.
(1) Rate of respiration
(2) Rate of transpiration
(3) Growth
(4) Rate of ripening
