IBPS RRB SO Mains Question Paper 2021 as Oneliners

 

1. For which among the following disease the vaccination is not prepared yet?
   Milk fever

2. Yellow colour of cow milk is due to?
   Carotene

3. Pairing at meiosis between two or more non homologous chromosomes whether it be complete or partial from the diverse set of an allopolyploid individual is called?
   Allosyndesis

4. Which instrument is used to cut the hard branches and Woody shrubs of plants?
   Bill Hook

5. Which hormone is responsible for cell division and plant new growth?
   Cytokinin

6. What is the bio agent to control common mealy bug?
   Leptomastix dectylopii

7. In swine, which among the following is the intracellular parasite resulting in bloody diarrhoea in swine?
   Coccidiosis

8. In reference to Agroforestry culture of combined stand of Woody and agricultural species during early stage of establishment of plantation is known
   Taungya

9. Number of permanent cheek teeth in cow (molar + premolar)?
   24

10. Among these which one is not a slow release fertilizer:
    Ammonium sulphate

11. Antherea assamensis is:
    Muga silkworm

12. Citrate Soluble fertilizer but water insoluble fertilizer is?
    DCP

13. This animal is a Cross of Bikaneri ewes and merino rams 1s:
    Hisardale

14. Friesian is a breed of:
    Cow

15. For the prevention of ascaris in calves of upto 6 weeks which of the following formulation will be given:
    Piperazin salts

16. Which among the following is a Rock mineral of boron?
    Tourmaline

17. What is the Precursor of indole Acetic Acid?
    Tryptophan

18. A product is giving 90% acid equivalent so for giving 2.1 kilogram hectare is it equivalent of that product how much amount of that product must be given?
    2.33

19. Which among the following does not belong to a umbelliferae family?
    Lettuce

20. Which one is the gamma ray mutant of sugarcane from C0527?
    Co8152_

21. Tongue Grafting is done in which fruit crop?
    Malus domestica

22. Which method of irrigation is developed in Israel and well suited in acute water shortage?
    Drip/Trickle Irrigation

23. According to G M shull observation in capsella what is the phenotype ratio of duplicate epistasis in F2 generation?
    15:1

24. Dark green streak on the lower portion of leaf midrib and later on the secondary veins disease called "morse code". This disease of banana will be called as
    Bunchy top virus

25. Which ministry is merged with the new jalshakti ministry which has launched gobardhan Yojana?
    Ministry of water and sanitation

26. Which among the following is not a bacterial disease?
    Blue tongue disease

27. If a seed packet has a white sticker then what kind of seed it is?
    Foundation seed

28. Silver fiber Revolution is related to?
    Cotton

29. Crop which is sensitive to soil alkalinity ESP less than 15:
    Maize

30. Ratio of rainfall weekly/monthly at 50% probability and potential evapotranspiration is known as:
    Moisture Available Index

31. Condition where two batches of male flower and two batches of female flower are separated temporally this condition is known as:
    Duodichogamy

32. What is envisaged in the concept of lay farming:
    Leguminous pastures with grain crops.

33. Which disease of groundnut is caused due to thrips?
    Bud necrosis

34. What is the order of black cotton soil?
    Vertisol

35. What is the term used when the constituent of soil in solution form percolate from the upper layer to the lower layer?
    Elluviation

36. Syconus is the fruit type of which of the following fruit?
    Fig

37. Symbiotic bio fertilizer for cereal grains and grasses?
    Azosprillium

38. Which crop shows the symptoms of particular nutrient if it is deficient. According to this match the following:
    A. Sugar beet - zinc
    B. Cauliflower - Boron and molybdenum
    C. Wheat - magnesium and copper
    Answer: Both B & C

39. What is the Incubation period Of Surra disease?
    5-30 days

40. Which of the following is not a post harvest factor?
    Pruning (According to options)