1. Study of soil from the stand point of higher plant is known as :
A) Edaphology
B) Geo physics
C) Pedology
D) Physiology
2. The average concentration of carbon dioxide in the atmosphere is :
A) 300 ppm
B) 30 ppm
C) 0.3 ppm
D) 0.03 ppm
3. Plant that grow on extremely dry soil are classified under :
A) Xerophytes
B) Hydroponics
C) Thalophytes
D) Hydrophytes
4. Which food is designated as “Boneless meat”?
A) Potato
B) Banana
C) Tapioca
D) Soybean
5. Pruning is most essential for :
A) Rubber
B) Cauliflower
C) Chinchona
D) Tea
6. Saffron is largely produced in :
A) J & K
B) Kerala
C) Himachal Pradesh
D) Uttarakhand
7. Agrostology is the study of :
A) Flower
B) Fruit
C) Root
D) Grasses
8. Atmospheric layer nearest to earth surface is :
A) Thermosphere
B) Biosphere
C) Troposphere
D) Exosphere
9. Which of the following control the root initiation, cell elongation and apical dominance :
A) Ethylene
B) ABA
C) Gibberellins
D) Auxins
10. The progeny of breeder seed is :
A) Nucleus seed
B) True seed
C) Foundation seed
D) Certified seed
11. The basis of farm budgeting is :
A) Farm planning
B) Cost–benefit analysis
C) Linear programming
D) Production function analysis
12. The largest tea production state in India is :
A) Kerala
B) Assam
C) Tamil Nadu
D) Meghalaya
13. The plant nutrient which help in translocation of sugars and starch is :
A) Mo
B) Mg
C) K
D) Na
14. Mycorrhiza is associated with what part of plants?
A) Stem
B) Fruits
C) Roots
D) Leaf
15. The most suited N fertilizer for tea is :
A) Urea
B) Calcium nitrate
C) Ammonium chloride
D) Ammonium sulphate
16. In India maximum area under wheat is occupied by the species :
A) Triticum durum
B) Triticum aestivum
C) Triticum vulgare
D) Triticum dicoccum
17. A market guided by rules and regulation is called :
A) Seasonal market
B) Terminal market
C) Perfect market
D) Regulated market
18. Which among the following colours absorbs more radiation?
A) Blue
B) Black
C) White
D) Red
19. Absolute zero is :
A) 273°K
B) 273°F
C) −273°C
D) 273°C
20. Impact of greenhouse effect is :
A) Sea formation
B) Ice melting
C) Global warming
D) Sea level rise
21. Most widely cultivated mustard type in India is :
A) Black mustard
B) Yellow / brown sarson
C) Toria
D) Indian mustard
22. The C : N ratio of arable soil commonly ranges from :
A) 18:1 to 19:1
B) 8:1 to 15:1
C) 6:1 to 7:1
D) 3:1 to 4:1
23. C₄ plant normally produce more biological yield than C₃ plant because of :
A) More photorespiration
B) Less photorespiration
C) Less photophosphorylation
D) More photophosphorylation
24. Which of the following elements is most mobile in soil?
A) Ca
B) K
C) Mg
D) N
25. Magnesium is a constituent of :
A) Cell wall
B) Chlorophyll
C) Nucleic acid
D) Enzyme system
26. Which of the following element immobile in soil but mobile in plants?
A) Zn
B) P
C) S
D) B
27. The most deficient micro-nutrient in Indian soil is :
A) Zn
B) B
C) Cu
D) Mn
28. Ground water table is measured by :
A) Pressure plate
B) Neutron probe
C) Tensiometer
D) Piezometer
29. Dwarfing gene in wheat is :
A) Nif-gene
B) Dee-gee-woo-gen
C) Proteina
D) Norin
30. A crop that can supply oil for petrochemicals is :
A) Neem
B) Rubber
C) Jatropha
D) Macadamia
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