ICAR (JRF) General Agriculture Question Paper – 1996

1. The irrigation method most suitable for saline soil is :
   (a) Drip irrigation
   (b) Subsurface irrigation
   (c) Flood irrigation
   (d) Sprinkler irrigation

2. Phytophthora infestans is an oomycete that causes a serious disease in :
   (a) Potato
   (b) Onion
   (c) Mango
   (d) Brinjal

3. Carbon content in organic matter is :
   (a) 20%
   (b) 38%
   (c) 58%
   (d) 70%

4. Available form of boron in plants is :
   (a) BO₃³⁻
   (b) BO₃
   (c) B₄O₇²⁻
   (d) Both (a) and (c)

5. Whiptail in cauliflower occurs due to the deficiency of :
   (a) Zinc
   (b) Boron
   (c) Magnesium
   (d) Molybdenum

6. Top sickness of tobacco is due to the deficiency of :
   (a) Zinc
   (b) Boron
   (c) Magnesium
   (d) Molybdenum

7. The nutrient involved in reproduction of plants is :
   (a) Zinc
   (b) Boron
   (c) Magnesium
   (d) Molybdenum

8. Blue Revolution in India started during :
   (a) First Five Year Plan
   (b) Second Five Year Plan
   (c) Fourth Five Year Plan
   (d) Fifth Five Year Plan

9. Select the wrong pair :
   (a) Heart rot of sugarbeet – Zinc
   (b) Pahala blight of sugarcane – Magnesium
   (c) Exanthema in citrus – Copper
   (d) Yellow leaves of tea – Sulphur

10. The herbicides, which kills only target weeds are known as :
    (a) Contact herbicides
    (b) Selective herbicides
    (c) Non-selective herbicides
    (d) None of the above

11. National Seed Corporation was established in :
    (a) March 1963
    (b) March 1965
    (c) March 1966
    (d) March 1973

12. Total water requirement of sugarcane crop is :
    (a) 50–100 cm
    (b) 100–200 cm
    (c) 200–300 cm
    (d) 500–700 cm

13. The Student’s t test is generally used, when sample size is :
    (a) > 30
    (b) = 30
    (c) < 30
    (d) > 0

14. Segregation occurs during :
    (a) Meiosis
    (b) Mitosis
    (c) Prophase
    (d) Photosynthesis

15. Which one of the following is an anti-fertility vitamin ?
    (a) Vitamin A
    (b) Vitamin B
    (c) Vitamin D
    (d) Vitamin E

16. Scientific name of Rajma is :
    (a) Phaseolus vulgaris
    (b) Phaseolus tritici
    (c) Glycine max
    (d) Vigna vulgaris

17. Which one of the following element is the most important constituent of methionine and cystine ?
    (a) Sulphur
    (b) Potassium
    (c) Magnesium
    (d) Zinc

18. pH was discovered by :
    (a) Mendel
    (b) Schwann
    (c) Sorenson
    (d) Johannsen

19. Acidic gram leaves is due to the presence of :
    (a) Malic acid
    (b) Citric acid
    (c) Linoleic acid
    (d) Carotene

20. Photosynthetic Rate is highest in :
    (a) C₃ plants
    (b) C₄ plants
    (c) CAM plants
    (d) GMO crops

21. Which one of the following is pectin rich fruit :
    (a) Papaya
    (b) Mango
    (c) Guava
    (d) Grapes

22. Litchi is propagated by :
    (a) T budding
    (b) Veneer grafting
    (c) Air layering
    (d) Seeds

23. Indian Journal of Agricultural Sciences is published by :
    (a) IARI
    (b) ICAR
    (c) ICSR
    (d) NPDRI

24. Photosynthesis is a/an :
    (a) Oxidation process
    (b) Reduction process
    (c) Oxidation-Reduction process
    (d) None of the above

25. The nursery area required for seedling of rice for one hectare area is :
    (a) 1 hectare
    (b) 0.10 hectare
    (c) 0.01 hectare
    (d) 10.0 hectare

26. ANOVA table stands for analysis of :
    (a) Mean
    (b) Correlation
    (c) Variation
    (d) Variance

27. Largest importer of cutflowers in the world is :
    (a) Netherlands
    (b) USA
    (c) China
    (d) Germany

28. Frost sensitive crop is :
    (a) Wheat
    (b) Paddy
    (c) Barley
    (d) Maize

29. Arrested tillering is known as :
    (a) Tillering of sugarcane
    (b) Emergence of inflorescence in sugarcane
    (c) Arrow like shape of sugarcane leaf
    (d) None of the above

30. 2n – 1 condition is :
    (a) Monosomy
    (b) Double monosomy
    (c) Nullisomy
    (d) Trisomy