IBPS AFO Mains 2012 solved previous year paper | AgriInsights

IBPS SO (AFO) 2012 Mains Previous Year Paper

Q1. Glycolysis is known as?

• EMP pathway ✓
• Photorespiration
• Gluconeogenesis
• Hexose monophosphate

Q2. “Cell Organiser” is?

• Ribosome
• Nucleolus ✓
• Centriole
• Nucleus
• None of these

• Pod
• Berry
• Drupe
• Caryopsis ✓
• None of these

Q4. Paddy inflorescence is?

• Ear
• Spikelet
• Arrow
• Panicle ✓
• None of these

Q5. Fruit ripening hormone?

• Cytokinin
• Gibberellins
• Ethylene ✓
• Abscisic acid

Q6. Hardness in Woody's tissue due to?

• Lignin ✓
• Suberin
• Silica
• Cellulose
• None of these

Q7. International Rice Research Institute is located in?

• Cuttack
• Geneva
• Hyderabad
• Los Banos
• Manila ✓

Q8. The “powerhouse” of the cell?

• Lysosome
• Ribosome
• Nucleus
• Mitochondria ✓
• None of these

Q9. Chipko movement is associated with the?

• Indira Gandhi
• Jawaharlal Nehru
• H.N. Bahuguna
• S.L. Bahuguna ✓
• None of these

Q10. The National Bureau of Fish Genetic Resources is located in?

• Chennai
• New Delhi
• Lucknow ✓
• Bangalore
• None of these

Q11. Which sanctuaries have the maximum number of rare animals?

• Dudhwa national parks
• Kaziranga national park
• Manas National Park ✓
• Corbett national park
• None of these

Q12. Which crop is grown for grain green manure and fodder?

• Red gram
• Cowpea ✓
• Lentil
• Chickpea
• None of these

Q13. Cereals – deficient in lysine and rich in?

• Methionine ✓
• Lysine

Q14. Which factor highest effect annual losses of Agricultural produce in India?

• Weeds< disease< insect
• Disease
• Weeds> insect> disease ✓
• Insect
• None of these

Q15. Red Data Book is famous for?

• Important wildlife
• Extinct animals
• Endangered animals and plants ✓
• Endangered animals
• None of these

Q16. The rate of photosynthesis is higher in which light?

• Red ✓
• Blue
• White
• Green
• Ultraviolet

Q17. Botanical name of pearl millet?

• Zea mays
• Avena sativa
• Eleusine coracana
• Pennisetum typhoides ✓
• None of these

Q18. The largest herbarium located in India?

• Pune
• Dehradun
• New Delhi
• Kolkata ✓
• None of these

Q19. International Convention on Biological Diversity was ratified in the year?

• 1994 ✓
• 1990
• 1999
• 1985
• 2005

Q20. Machines used for de-husking of pulse?

• Rubber roll dehusker
• Centrifugal dehusker
• Energy Roll Dehusker ✓
• Under-runner disc sheller
• None of these

Q21. Reptiles and Birds excreted nitrogen in the form of?

• Urea
• Lipids
• Ammonia
• Uric acid ✓
• None of these

Q22. “Red orange” colour of saffron due to the?

• Lysine
• Crocetin ✓
• Chlorophyll
• Polyphenols
• Xanthophyll

Q23. Insects extract in the form of uric acid because most of them are?

• Aquatic
• Terrestrial ✓

Q24. The term microbiology is given by?

• Julius Richard Petri
• Louis Pasteur ✓
• Robert Koch
• Antonie Van Leeuwenhoek
• None of these

Q25. A sclerotium refers to a modified mycelium which is?

• A conidial type
• A food-storing organ
• Hard resting body ✓
• An underground structure
• None of these

Q26. Which is considered a biological Paradise in India?

• Nanda Devi
• Sundarbans
• Gulf of Mannar ✓
• Nilgiri Bioreserve
• None of these

Q27. The phenomenon wherein a single gene has more than one phenotypic effect is known as?

• Hypostasis
• Pleiotropism ✓
• Epistasis
• Duplicate genes
• None of these

Q28. DNA and RNA are similar to each other because both?

• Have similar sugars
• Are double stranded
• Have similar pyrimidines
• Are nucleotide polymers ✓
• None of these

Q29. When disease attacks many in a community simultaneously?

• Epidemic ✓
• A bacteremia
• A secondary infection
• A nosocomial infection
• None of these

Q30. Beaten rice is also known as?

• Puffed rice
• Flaked rice ✓
• Mutant rice
• Polished rice
• None of these

Q31. Which synthetic polypeptides will form a triple helix?

• (Phe-Gly-Gly)n
• (Gly-Pro-Gly)n
• (Pro-Gly-Gly)n ✓
• (Pro-Gly)n
• None of these

Q32. A simple technique has been developed in India by the use of which Biofertilizer?

• Azotobacter and Nostoc
• Azotobacter and Rhizobium ✓
• Azolla and Rhizobium
• Azolla and Azotobacter
• None of these

Q33. Which is a rich source of protein? (according to option)

• Spirulina ✓
• Spirogyra
• Scytnema
• Stigma
• None of these

Q34. The anti-codon region is present in?

• rRNA
• s-RNA
• mRNA
• tRNA ✓
• None of these

Q35. Which is the correct food chain?

• Algae-insects-frog-snake-peacock ✓
• Algae-insects-frog-peacock-snake
• Algae-frog-insects-snake-peacock 
• Algae-frog-insects-peacock-snake
• None of these

Q36. Pea seeds will germinate best if found in a jar containing?

• CO2
• N2
• H2
• O2(oxygen) ✓
• None of these

Q37. Measurement of the rate of oxygen consumption in the unit volume of water over a period of time is carried out to determine?

• Biosynthetic pathway
• Biological oxygen demand ✓
• Biogas generation
• Fermentation
• None of these

Q38. Obligate anaerobic Bactria grow?

• Grow without oxygen and produce high energy
• Have a fermentative metabolism and respiratory chain
• Grow with or without oxygen and produce medium energy
• Without oxygen and produce Low energy ✓
• None of these

Q39. The size of the tractor tire may be represented up?

• Section radius × rim width
• Section thickness × Rim diameter ✓
• Section height × rim width
• Section height × rim diameter
• None of these

Q40. Which is a matching set of classifications?

• Sea urchin, lobster, leech, locust
• Stanish, jellyfish, cuttlefish, octopus
• Nerves, planaria, roundworms, earthworms
• Millipedes, Crabs, Centipedes, and Cockroach ✓
• None of these

Q41. Which techniques are used in assaying monoclonal antibodies?

• PAGE
• Flow cytometry ✓
• HPLC
• Scintillation counter
• None of these

Q42. Tumor-causing viruses are known as?

• Variola viruses
• Para viruses
• Tungro viruses ✓
• Oncogenic viruses
• None of these

Q43. Sudden mass death of fish from oxygen depletion is more likely in?

• Eutrophic lakes ✓
• Mesotrophic lakes
• Oligotrophic lakes
• Oxalotrophic lakes
• None of these

Q44. The biosphere is made up of organism lithosphere atmosphere and?

• Atmosphere
• Organism
• Lithosphere
• Hydrosphere
• All of these ✓

Q45. World Health Organisation (WHO) announced the eradication of smallpox as a disease in which year?

• 1981
• 1977
• 1980 ✓
• 1979
• None of these

Q46. The bottom layer of deep freshwater habitat is?

• Metalimnion
• Thermocline
• Epilimnion
• Hypolimnion ✓
• None of these

Q47. Spice bag is usually used for processing?

• Pickle
• Sauce ✓
• Nectar
• Jam
• Jelly

Q48. The forces that can change the frequency of an allele in a population are?

• Gene interaction, gene transfer, gene mutation, and outbreeding
• Dominance, family selection, fitness, and diversification
• Random genetic drift, In-breeding, Migration, Mutagenesis, and selection ✓
• Forward mutation, Gene conversion, Neutral evolution, and recombination
• None of these

Q49. Roasting coffee beans improve the content of?

• Niacin ✓
• Thiamine
• Thiamine
• Chlorine
• None of these

Q50. The Shape of the growth curve is?

• Zig-zag
• Linear
• Inverted bell
• Sigmoid ✓
• None of these