1. Optical isomer of monosaccharide are calculated by :
A) 2n
B) 2n
C) n²
D) n
2. Bacteria, actinomycetes, fungi and algae come under which group of organisms ?
A) Micro flora
B) Micro fauna
C) Macro flora
D) Macro fauna
3. Which of the following state is the leading producer of Isabgol (Plantago ovata) in India ?
A) Madhya Pradesh
B) Rajasthan
C) Gujarat
D) U.P.
4. Mentha arvensis is a type of plant :
A) Medicinal plant
B) Spices plant
C) Fibre yielding plant
D) Aromatic plant
5. Pungency in mustard oil is due to presence of :
A) Sulphuric acid
B) Allyl propyl disulphide
C) Glucosinolates
D) Isothiocyanate
6. Fern leaf disease of potato (Solanum tuberosum) leaves is due to deficiency of :
A) Zn
B) Fe
C) B
D) Oxygen
7. In experimental designs principle of local control is used :
A) To increase experimental error by blocking
B) To reduce experimental error by blocking
C) To decrease homogeneity of the experimental area
D) None of these
8. Which element is responsible for stability of protein structure ?
A) Sulphur
B) Nitrogen
C) Hydrogen
D) Carbon
9. Khaira disease in rice is caused due to deficiency of :
A) Iron
B) Copper
C) Manganese
D) Zinc
10. Aflatoxin in groundnut is produced by which organism ?
A) Azotobacter
B) Aspergillus flavus
C) Rhizobium sp.
D) Colletotrichum falcatum
11. Insect white grub is mainly confined to which soil ?
A) Heavy soils
B) Black cotton soils
C) Dry sandy loam soil
D) Red soils
12. Removal of auxiliary bud is known as :
A) Topping
B) Clipping
C) Nipping
D) Budding
13. Quality protein maize (QPM) was developed by introducing gene :
A) Nif
B) Opaque-2
C) Norin-10
D) Dee Gee Woo Gen
14. CRIDA is situated at :
A) Bangalore
B) New Delhi
C) Hyderabad
D) Nagpur
15. ICRAF (now as WAC) is situated at :
A) Kenya
B) Kathmandu
C) Syria
D) Sri Lanka
16. Surface temperature of Sun is about :
A) 4000 K
B) 6000 K
C) 7000 K
D) 8000 K
17. Which gas contributes least role in green house ?
A) CH₄
B) CO₂
C) NO₂
D) CFC
18. The per capita cultivable land availability (ha) in India is :
A) 0.15 ha
B) 0.30 ha
C) 0.08 ha
D) 4.34 ha
19. The CO₂ content in atmosphere is about :
A) 0.30 %
B) 0.03 %
C) 3.00 %
D) 20.79 %
20. Urea is hydrolyzed by which enzyme ?
A) Urease
B) Nitrogenase
C) Amylase
D) Hydrolases
21. Grey speck of oat and marsh spot of pea are caused by deficiency of :
A) Zn
B) Mn
C) Fe
D) Cu
22. Which organism is responsible for production of methane from biogas plant ?
A) Bacillus
B) Pseudomonas
C) Arthrobacter
D) Methanobacteria
23. Diameter of clay particles is :
A) ≤ 0.002 mm
B) > 0.002 mm
C) 0.02 mm
D) ≥ 0.02 mm
24. Tag colour of certified seed is :
A) Yellow
B) White
C) Blue
D) Red
25. Progeny of breeder seed is :
A) Foundation seed
B) Nucleus seed
C) Foundation seed
D) Certified seed
26. The minimum isolation distance required for foundation seed production in peanut :
A) 3 m
B) 50 m
C) 100 m
D) 400 m
27. Tungro disease is associated with :
A) Sugarcane
B) Rice
C) Potato
D) Banana
28. Recently terminator technology has been developed in :
A) Soybean
B) Cotton
C) Tobacco
D) Wheat
29. Protein synthesis takes place in :
A) Smooth ER
B) Protoplasm
C) Rough ER
D) Nucleolus
30. Enzymes are chemically :
A) Fats
B) Proteins
C) Carbohydrates
D) Vitamins
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