IARI phd Entrance 2007 Question Paper with Answer Keys.
IARI phd Entrance 2007 Question Paper with Answer Keys Free Download General Agriculture (Paper I) 2007 Indian Agricultural Research Institute (IARI) Exam 2007 Question Paper and answers
1. How many member countries there in WTO from initial to till January, 2007
(A) 149 (B) 150
(C) 145 (D) 190
2. Random or free segregation of chromosomes and genes during gamete formation is known as
(A) Incomplete dominance (B) Law of independent assortment
(C) Law of purity of gametes (D) Law of segregation
3. OBA blood group controlled by
(A) Pseudo allele (B) Dominant allele
(C) Recessive allele (D) Multiple allele
4. Citrus canker is caused by
(A) Bacteria (B) fungi
(C) Nematodes (D) Algae
5. Which one is not a monosaccharide in nature?
(A) Lactose (B) Galactose
(C) Glucose (D) Ribulose
6. Availability of which form of P is highest at pH 6.7
(A) H2PO4 (B) HPO4
(C) PO4 (D) None
7. Conservation tillage saves
(A) Soil (B) Moisture
(C) Time (D) All
8. Nobel Prize for micro credit was given to
(A) Mohammad Yunus (B) N.E. Borlauge
(C) V.S Naipaul (D) None of these
9. Which is formula of leaf area index?
(A) Leaf area / ground area (B) Leaf area / leaf dry weight
(C) Ground area/ leaf area (D) Leaf area / area duration
10. Pureline theory was given by
(A) Bateson (B) Johnsen
(C) Lamarck (D) Wolf
11. Exanthema disease is caused by deficiency of
(A) MN (B) Zn
(C) Fe (D) Cu
12. Contribution of animal husbandry in agriculture GDP is
(A) 17% (B) 27%
(C) 37% (D) 47%
13. In which type of soil low permeability is present
(A) Alkali (B) Saline\
C) Acidic (D) None
14. Which is a P solubilizing bacterium?
(A) PSB (B) VAM
(C) Clostridium (D) Azotobacter
15. Which is natural genetic engineer?
(A) Xanthomonas citri (B) Agrobacterium tumifacience
(C) Azotobactor (D) Clostridium
16. In maize first product formed during photosynthesis is
(A) Oxalic acid (B) Malic acid
(C) PGA (D) Aspartic acid
17. Which amino acid is positively charged?
(A) Aspartate (B) Lysine
(C) Methionine (D) Glycine
18. Translocation of nutrient and water through xylem is due to
(A) Suction (B) Bundle sheath cell
(C) Transpiration pulls (D) Guard cell
19. Who was the chairman of Farmer’s Commission till December, 2006
(A) V.L. Chopra (B) R. S. Paroda
(C) M.S. Swaminathan (D) Sompal Shastri
20. Which instrument used for land levelling
(A) Pusa leveller (B) Laser leveller
(C) Bhopal leveller (D) None of these
21. Water held between 1/3 bar to 31 bars in the soil is classified as
(A) Gravitational water (B) Capillary water
(C) Hygroscopic water (D) Available water
22. Chloropyriphos belongs to which group
(A) Chlorinated hydrocarbons (B) Carbamates
(C) Organophosphate (D) Synthetic pyrethroides
23. Why rice grown easily under submerged condition
(A) Deep root system (B) O2 transfer from stem to root
(C) Hydroponic in nature (D) None of these
24. What is critical difference?
(A) Standard error of difference (B) standard error of mean
(C) SEm x t value at e.d.f. (D) SEm x √2 x t value at e.d.f.
25. Global warming potential of methane (CH 4) in composition to CO2 is ____ (times)
(A) 1 (B) 310
(C) 21 (D) 4,000
26. Father of hybrid rice
(A) Y.L. Ping (B) B.P. Paul
(C) Maheswari (D) Barber
27. A day neutral plant is
(A) Maize (B) Wheat
(C) Barley (D) Rice
28. Famous Indian pathologist, extensively studied about cereal rust
(A) K. C. Mehta (B) Sadasivan
(C) Flor (D) None
29. Which represents median?
(A) Second quartile (B) 5th deciles
(C) 50th percentile (D) All
30. The relation between AM, GM, HM
(A) AM>GM>HM (B) GM>HM>AM
(C) GM<HM<AM (D) Any one
Answer keys
1. B 2. B 3. D 4. A 5. A 6. A 7. D 8. A 9. A 10. B 11. D 12. A 13. A 14. A 15. B 16. A 17. B 18. B 19. C 20. C 21. B 22. C 23. B 24. B 25. C 26. A 27. A 28. A 29. D 30. A
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