Agriculture Important Questions
1. Mutagen that is not alkylating agent is
(1) EMS
(2) MMS
(3) EES
(4) HA
2. Bio 212 is a somaclonal variety of
(1) Citronella java
(2) Brassica juncea
(3) Lathyrus sativus
(4) Lycopersicon esculentum
3. Double helical DNA that has 12 base pairs per turn is related to
(1) A form
(2) B form
(3) C form
(4) Z form
4. Variation between plant height and seed weight can be compared using
(1) Range
(2) Coefficient of variation
(3) Standard deviation
(4) All of these
5. During meiosis origin of synaptonemal complex occurs in
(1) Diplotene stage
(2) Zygotene stage
(3) Pachytene stage
(4) Diakinesis stage
6. In which of the following, 3 different phenotypes are observed?
(1) Duplicate gene interaction
(2) Complimentary gene interaction
(3) Supplementary gene interaction
(4) Inhibitory gene interaction
7. Which of these decrease the frequency of recombination between two genes?
(1) Mitomycin C treatment
(2) Gamma irradiation
(3) Inversion
(4) Larger distance between those genes
8. In lac operon, RNA polymerase first binds on
(1) Regulatory gene
(2) Operator gene
(3) Promoter gene
(4) Structural gene
9. What is not true about marker assisted selection?
(1) It can be used for traits with low heritability.
(2) It cannot be used at seedling stage of plant growth.
(3) It cane used for desirable and undesirable genes equally well.
(4) It can be. used for pyramiding 3 genes.
10. The first stable product of the dark reaction of photosynthesis in C, plants is
(1) 3-PFALR
(2) 3-PGA
(3) 1, 3-bis PGA
(4) DHAP
11. In the photosynthesis, assimilatory power Is generated during the following process:
(1) light reaction
(2) dark reaction
(3) photolysis of water
(4) ETS
12. The photolysis of water during photosynthesis occurs in the presence of following mineral(s):
(1) Mn2+ ion
(2) Mg2+ ion
(3) Mn2+ and Cl- ion
(4) K+ and Cl ions
13. Which one of the following is the most common respiratory substrates in plants?
(1) Fats
(2) Proteins
(3) Carbohydrates
(4) Organic acids
14. The process of glycolysis occurs in the following part of the cell:
(1) Mitochondria
(2) Cytosol
(3) Peroxisome
(4) Chloroplast
15. Stomatal closure in response to stress is mediated by
(1) IAA
(2) ABA
(3) IBA
(4) 2, 4-D
16. Effects of kinetin on delaying senescence is called as
(1) War bug effects
(2) Mothers effects
(3) Richmond-Lang effect
(4) Osborne effect
17. In plants growth continuously takes place in which part?
(1) Cambium
(2) Meristem
(3) Flowers
(4) Leaves
18. A standard growth curve of plant generally has following shape:
(1) Bell shaped
(2) Pyramidal shaped
(3) Sigmoidal shaped
(4) Straight
19. Which of the following is most essential for seed germination?
(1) Light
(2) Mineral
(3) High temperature
(4) Water
20. Removal of seed coat in dormant seeds by mechanical method is called
(1) Emasculation
(2) Separation
(3) Scarification
(4) Stratification
Practice Papers for Agriculture Students
21. The plant cell lacking a cell wall is
(1) Tonoplast
(2) Protoplast
(3) Cytoplast
(4) Cybrid
22. Which of the following is vice in animal due to mineral deficiency?
(1) Kicking
(2) Pica
(3) Biting
(4) Rolling of eye
23. Most of the milch breed of cattle belongs to which region of India?
(1) Southern region
(2) North-East region
(3) North-West region
(4) Coastal region
24. The world’s first IVF buffalo calf developed at NDRI, Karnal is
(1) Shreshth
(2) Garima
(3) Pratham
(4) Mahima
25. Disease responsible for huge economic losses to dairy industry every year is
(1) Metritis
(2) Milk fever
(3) Mastitis
(4) Teat block
26. Anti-sterility vitamin is
(1) Cynocobalamine
(2) Tocopherol
(3) Ergosterol
(4) None of these
27. Sulphur containing amino acid is
(1) Tryptophane
(2) Lysine
(3) Methionine
(4) Cuitrulline
28. The game purpose chicken is
(1) Aseel
(2) Kadaknath
(3) Javan jungle fowl
(4) Cochin
29. Lola is the synonym of which Indian cattle breed?
(1) Sahiwal
(2) Red Sindhi
(3) Gir
(4) Tharparkar
30. National Research Centre on Pig is located at
(1) Guwahati
(2) Mizoram
(3) Srinagar
(4) Dirang
31. To make rumen bypass protein feed, oil cake is treated by which treatment?
(1) Urea treatment
(2) Grinding
(3) Formaldehyde treatment
(4) Soaking
32. Animal census is conducted in every after years in India.
(1) 05
(2) 04
(3) 10
(4) 07
33. The process of segregation of affected and suspected animal is known as
(1) Isolation
(2) Quarantine
(3) Disinfection
(4) Selection
34. The term used to remove the uneconomical animal from the herd is known as
(1) Breeding
(2) Feeding
(3) Weeding
(4) Heeding
35. Crazy chick disease is caused due to the deficiency of
(1) Vitamin E
(2) Vitamin C
(3) Vitamin D
(4) Vitamin B
36. Which animal contribute maximum to the total milk production in India?
(1) Cow
(2) Goat
(3) Buffalo
(4) Cross breed cattle
37. Yeast are used in bakery industry for production of —
(1) CO2
(2) Alcohol
(3) Protein
(4) Flavour
38. Kresek phase symptom found in plant disease
(1) Late blight of potato
(2) Black arm of cotton
(3) Bacterial leaf blight of rice
(4) Leaf curl of chilli
39. Local and systemic, both infection found in plant disease
(1) White rust of crucifers
(2) Coffee rust
(3) Wheat rust
(4) Soyabean rust
40. “Clamp connection” is found in which genera of plant pathogen?
(1) Pythium
(2) Phytophthora
(3) Erysiphe
(4) Ustilago
41. Oyster mushroom is belong to the genus
(1) Agaricus
(2) Pleurotus
(3) Volvarella
(4) Grifola
42. Concentric ring or target board symptoms found in disease caused by
(1) Phytophthora
(2) Pythium
(3) Cercospora
(4) Alternaria
43. Muriform or dictyospore conidia are found in
(1) Fusarium
(2) Alternaria
(3) Phytophthora
(4) Pythium
44. Loose smut of wheat can be controlled by
(1) Spraying of Imidacloprid 17.8 SL
(2) Hot water treatment of seed at 52 °C for 11 minutes
(3) Soul treatment
(4) Biological control
45. The fungi included in order peronosporales cause the disease known as
(1) Rust
(2) Smut
(3) Powdery mildew
(4) Downy mildew
46. In which of the following fungi zoospore are formed inside vesicles?
(1) Pythium
(2) Phytophthera
(3) Alternaria
(4) Albugo
47. Tomato spotted wilt virus is transmitted by
(1) Bemesia tabaci
(2) Mites
(3) Thrips
(4) Myzus persici
48. Gene for gene hypothesis was given by
(1) H.H. Flor
(2) J.E. Vanderplank
(3) Hansen and Smith
(4) P.A. Michelli
49. Green ear disease of bajra caused by pathogen
(1) Sclerospora graminicola
(2) Phytophthora parasitica
(3) Sclerotinia
(4) Thanatephorus cucumeris
50. The scientific name of Bombay locust is
(1) Nomadacris succineta
(2) Locusta migratoria
(3) Schistocerca gregaria
(4) Chortoicetes terminifera
