1. Indian state having maximum geographical area is :
A) Madhya Pradesh
B) Uttar Pradesh
C) Andhra Pradesh
D) Rajasthan
2. Oxide present in maximum amount in limestone is :
A) CaO
B) SiO₂
C) MnO
D) None of these
3. Temperature to be maintained during pasteurization should be :
A) 43°C for 15 minutes
B) 62°C for 15 minutes
C) 72°C for 15 minutes
D) 100°C for 10 minutes
4. Viruses have :
A) Only RNA
B) Only proteins
C) RNA and proteins
D) RNA, DNA and proteins
5. Dwarfing rootstock in apple is :
A) M9
B) M10
C) M13
D) M19
6. Maximum hybrids are released in the crop :
A) Rice
B) Wheat
C) Maize
D) Sorghum
7. Malathion is a :
A) Carbamate
B) Organophosphate
C) Organochloride
D) Fungicide
8. Out of the total cultivated area, total irrigated area of India is :
A) 33%
B) 40%
C) 50%
D) 60%
9. World Food Day is celebrated every year on :
A) 5 June
B) 23 March
C) 23 December
D) 16 October
10. Frequency of colour blindness is :
A) Higher in males
B) Higher in females
C) Equal in both males and females
D) None of these
11. Which one of the following is the indigenous milk cattle breed in India ?
A) Sahiwal
B) Malvi
C) Hariyana
D) Kankrej
12. Jacob and Monod are famous for proposing the concept of :
A) Natural inheritance
B) Lac operon
C) Null hypothesis
D) Sex-linked chromosome
13. First artificially synthesized antibiotic is :
A) Azithromycin
B) Cephalexin
C) Penicillin
D) Ofloxacin
14. In-vitro synthesis of DNA was discovered by :
A) F. Jacob
B) P. Rous
C) J. Lederberg
D) S. Ochoa
15. An equipment used for drawing samples from the seed lot stored in bags or containers is :
A) Shelter
B) Paper towel
C) Nobbe trier
D) Screw auger
16. The difference in the field capacity and permanent wilting point is :
A) Capillary water
B) Available water
C) Hygroscopic water
D) Gravitational water
17. Guttation process takes place through ________ in early morning :
A) Stomata
B) Lenticel
C) Chlorophyll
D) Hydathodes
18. Cells present in coir are :
A) Parenchyma
B) Sclerenchyma
C) Chlorenchyma
D) None of these
19. Zinder and Lederberg first described the phenomenon of :
A) Transcription
B) Transversion
C) Transduction
D) Conjugation
20. National Bureau of Soil Survey and Land-use Planning (NBSS & LUP) is situated at :
A) Karnal
B) Lucknow
C) Mau
D) Nagpur
21. The apex banking institution providing finance for agriculture and rural development since 1982 has been :
A) SBI
B) NABARD
C) FCI
D) CACP
22. Venturia inaequalis is responsible for :
A) Apple scab
B) Bitter rot in apple
C) Powdery mildew in apple
D) Red colour in apple
23. Cross between F₁ and homozygous recessive strain in maize is called :
A) Test cross
B) Back cross
C) Reciprocal cross
D) Diallel cross
24. Red rot disease of sugarcane is caused by :
A) Pythium graminicola
B) Peronosclerospora sacchari
C) Colletotrichum falcatum
D) Colletotrichum falcatum
25. Bt gene is incorporated for :
A) Disease resistance
B) Insect resistance
C) Herbicide resistance
D) Stress tolerance
26. An anabolic process in which green plants convert light energy into chemical energy stored in carbohydrates is termed as :
A) Respiration
B) Evaporation
C) Photoperiodism
D) Photosynthesis
27. Out of the total geographical area of the country, total forest cover is :
A) 15%
B) 18%
C) 33%
D) 40%
28. Leading pulse growing state of India is :
A) Uttar Pradesh
B) Maharashtra
C) Gujarat
D) West Bengal
29. Mango is commercially propagated through :
A) Air layering
B) Veneer grafting
C) Whip grafting
D) Stool layering
30. Among the adopter categories, which one consists of the lowest level of innovativeness ?
A) Innovators
B) Early adopters
C) Late adopters
D) Laggards
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