ICAR (JRF) General Agriculture Question Paper – 2015 ( Mock Test)

1. The end product of glycolysis is :

A) Malic acid

B) Citric acid

C) Pyruvic acid

D) Oxalic acid

2. Bordeaux mixture was first discovered by :

A) P.M.A. Millardet

B) Kogl et al

C) G.J. Mendel

D) Zimmerman and Wilcoxon

3. Soil condition favourable for growth of nematodes is :

A) Heavy soils

B) Soils rich in organic matter

C) Sandy loam soils

D) No reaction with soil

4. Fruit plants are generally irrigated at which stage of growth ?

A) Flowering to fruiting

B) Fully mature stage

C) Fully ripe stage

D) At the time of flower emergence

5. Photosynthetically Active Radiation (PAR) wavelength range is :

A) 100 to 300 nm

B) 300 to 700 nm

C) 700 to 1000 nm

D) 1000 to 1300 nm

6. Coated or pelleted seeds are used for :

A) Low germination seed rate

B) Bold seeds

C) Prevention of odour

D) Dormant seeds

7. Which of the following weed leads to asthma ?

A) Phalaris minor

B) Argimone mexicana

C) Franseria acanthicarpa

D) Parthenium hysterophorus

8. Student’s t-test was discovered by :

A) S.D. Poisson

B) R.A. Fisher

C) W.S. Gosset

D) Karl Pearson

9. Breeding method used to transfer disease resistance is :

A) Pedigree selection

B) Bulk method

C) Pure line selection

D) Back cross method

10. The precursor of ethylene in biosynthesis of plants is :

A) Cysteine

B) Valine

C) Methionine

D) Proline

11. Blanching is a pre-treatment which is done to :

A) Soften the produce

B) Kill all the micro-organisms

C) Increase the sweetness

D) Inactivate the enzymes

12. The indicator plant for boron and molybdenum deficiency is :

A) Cauliflower

B) Potato

C) Brinjal

D) Chilli

13. The process of giving a permanent framework to plants is referred as :

A) Staking

B) Training

C) Pruning

D) Nipping

14. The site of β-oxidation is :

A) Nucleus

B) Golgi bodies

C) Cytoplasm

D) Mitochondria

15. Which one of the following belongs to the family Chenopodiaceae ?

A) Sugarcane

B) Sugarbeet

C) Cotton

D) Sorghum

16. Parts per million (ppm) is equal to :

A) mg/g

B) g/kg

C) mg/kg

D) g/mg

17. Central AGMARK Laboratory is located at :

A) New Delhi

B) Mumbai

C) Raipur

D) Nagpur

18. In conservation tillage, the minimum land surface covered by crop residues is :

A) 10 percent

B) 20 percent

C) 30 percent

D) 50 percent

19. Invention of Bordeaux mixture is associated with the disease of downy mildew of :

A) Mango

B) Grapes

C) Apple

D) Onion

20. The CO₂ receptor in C3 plants is :

A) PEP

B) RuBP

C) ATP

D) None of these

21. The crop that does not contribute to foodgrain production is :

A) Soyabean

B) Wheat

C) Rice

D) Chickpea

22. Rancidity in sunflower is caused by :

A) Oxidation

B) Nitrification

C) Esterification

D) Reduction

23. Skiffing is practiced in which plantation crop ?

A) Tea

B) Coffee

C) Rubber

D) Cashewnut

24. The C : N ratio of ideal soil is :

A) 10 : 3

B) 3 : 1

C) 10 : 1

D) 9 : 3

25. Rice, Sorghum and Maize are :

A) Short day plants

B) Long day plants

C) Day neutral plants

D) None of the above

26. Underground stem of potato is termed as :

A) Tubers

B) Suckers

C) Pseudo stem

D) Rhizomes

27. Sorghum forage poisoning is caused by :

A) GA

B) Humic acid

C) Oxalic acid

D) HCN

28. Queen of cereals is :

A) Wheat

B) Rice

C) Maize

D) Sorghum

29. Common bread wheat (2n = 42) is a :

A) Hexaploid

B) Tetraploid

C) Diploid

D) Triploid

30. Flavour of lemon grass is due to :

A) Geraniol

B) Menthol

C) Agitol

D) Citral

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