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question_answer1)
Which one of the following is a rabi crop?
A)
Millet done
clear
B)
Soyabean done
clear
C)
Linseed done
clear
D)
Paddy done
clear
E)
None of these done
clear
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question_answer2)
Cultivator is used for:
A)
Irrigation done
clear
B)
Transplantation done
clear
C)
Sowing seeds done
clear
D)
Tilling done
clear
E)
None of these done
clear
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question_answer3)
Which one among the following is incorrect about fertilisers?
(i) A fertiliser is a salt or an organic compound. |
(ii) A fertiliser is obtained by the decomposition of animal wastes and plant residues. |
(iii) A fertiliser provide a lot of humus to the soil. |
(iv) Most of the fertilisers are soluble in water. |
A)
(i) and (ii) done
clear
B)
(ii) and (iii) done
clear
C)
(iii) and (iv) done
clear
D)
(i) and (iv) done
clear
E)
None of these done
clear
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question_answer4)
Which system of irrigation among the following is most suitable for the uneven land?
A)
Dhekli system done
clear
B)
Sprinkler system done
clear
C)
Drip system done
clear
D)
Rahat system done
clear
E)
None of these done
clear
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question_answer5)
Winnowing is done with the help of:
A)
Water done
clear
B)
Wind done
clear
C)
Soil done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer6)
Match the following:
Column A | Column B |
(I) | Sowing | [A] | Butachlor |
(II) | Irrigation | [B] | Sickle |
(III) | Weeding | [C] | Seed drill |
(IV) | Harvesting | [D] | Drip system |
A)
(I - D), (II - A), (III - C), (IV - B) done
clear
B)
(I - C), (II - D), (III - B), (IV - A) done
clear
C)
(I - C), (II - D), (III - A), (IV - B) done
clear
D)
(I - B), (II - D), (III - A), (IV - C) done
clear
E)
None of these done
clear
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question_answer7)
Broadcasting is:
A)
Irrigating the field by sprinkler system. done
clear
B)
Sowing of seeds by hand. done
clear
C)
Harvesting the Crop. done
clear
D)
Transferring the seedlings from the nursery. done
clear
E)
None of these done
clear
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question_answer8)
Bacteriophage is a:
A)
Bacteria done
clear
B)
Algae done
clear
C)
Virus done
clear
D)
Protozoa done
clear
E)
None of these done
clear
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question_answer9)
Next step after harvesting the crop is:
A)
Winnowing done
clear
B)
Threshing done
clear
C)
Irrigation done
clear
D)
Weeding done
clear
E)
None of these done
clear
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question_answer10)
A 'Combine' machine helps in:
A)
Harvesting the crop done
clear
B)
Threshing the crop done
clear
C)
Winnowing the crop done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer11)
Gunny-bag method is used for:
A)
Cultivation of crops done
clear
B)
Irrigation of crops done
clear
C)
Harvesting of crops done
clear
D)
Storing food grains done
clear
E)
None of these done
clear
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question_answer12)
Leguminous crop enriches the soil with:
A)
Phosphorus done
clear
B)
Nitrogen done
clear
C)
Potassium done
clear
D)
Water done
clear
E)
None of these done
clear
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question_answer13)
Fertility of soil can be increased by:
A)
Crop rotation done
clear
B)
Adding manures done
clear
C)
Adding Chemical fertilisers done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer14)
Special festival in India associated with the harvest seasons are:
A)
Pongal done
clear
B)
Bihu done
clear
C)
Baishakhi done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer15)
Silos are used for:
A)
Harvesting the crops done
clear
B)
Threshing the corps done
clear
C)
Storing the grains done
clear
D)
Irrigation of the crops done
clear
E)
None of these done
clear
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question_answer16)
Which leaves are used to protect stored grains from insects and microorganisms?
A)
Mango leaves done
clear
B)
Peepal leaves done
clear
C)
Banana leaves done
clear
D)
Neem leaves done
clear
E)
None of these done
clear
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question_answer17)
Which one of the following is commonly known a 'Malarial Parasite'?
A)
Entamoeba done
clear
B)
Paramecium done
clear
C)
Plasmodium done
clear
D)
Algae done
clear
E)
None of these done
clear
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question_answer18)
Which one among the following is a useful microorganism?
(i) Salmonella typhi |
(ii) Rhizobium |
(iii) Lactobacillus |
(iv) Rhinovirus |
A)
(i) and (ii) done
clear
B)
(ii) and (in) done
clear
C)
(iii) and (iv) done
clear
D)
(i) and (iv) done
clear
E)
None of these done
clear
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question_answer19)
Fermentation refers to conversion of:
A)
Sugar into salt done
clear
B)
Sugar into cellulose done
clear
C)
Sugar into alcohol done
clear
D)
Sugar into water done
clear
E)
None of these done
clear
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question_answer20)
The process of loosening and turning the soil is called:
A)
Ploughing done
clear
B)
Levelling done
clear
C)
Manuring done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer21)
Rhizobium fixes nitrogen in the nodules of leguminous plant:
A)
Stem done
clear
B)
Roots done
clear
C)
Leaves done
clear
D)
Flowers done
clear
E)
None of these done
clear
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question_answer22)
In which of the following methods irrigation is done by using rotating nozzles
A)
Moat system done
clear
B)
Chain pump done
clear
C)
Sprinkler system done
clear
D)
Drip system done
clear
E)
None of these done
clear
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question_answer23)
Which among the following is not a common weed?
A)
Amaranthus done
clear
B)
Wild oat done
clear
C)
Chenopodium done
clear
D)
Butachlor done
clear
E)
None of these done
clear
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question_answer24)
Which of the following crops can be transplanted?
A)
Paddy done
clear
B)
Tomatoes done
clear
C)
Chillies done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer25)
Hepatitis B is caused by which one of the following organisms?
A)
Viruses done
clear
B)
Bacteria done
clear
C)
Protozoa done
clear
D)
Algae done
clear
E)
None of these done
clear
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question_answer26)
Which one of the following pairs is incorrect?
A)
Rust of wheat - fungi done
clear
B)
Citrus canker ? bacteria done
clear
C)
Yellow vein mosaic - Virus done
clear
D)
Aspergillosis ? Baqteria done
clear
E)
None of these done
clear
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question_answer27)
Which one of the following statements is incorrect?
A)
Plasmodium is a protozoa. done
clear
B)
Female Anopheles carries bacteria as a causative agent of malaria. done
clear
C)
Female Aedes carries virus as a causative agent of dengue. done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer28)
Which one of the following groups of microorganisms is considered on the border line of living and non-living things?
A)
Viruses done
clear
B)
Bacteria done
clear
C)
Protozoa done
clear
D)
Algae done
clear
E)
None of these done
clear
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question_answer29)
Which one of the following crops does not require nitrogenous fertiliser?
A)
Wheat done
clear
B)
Millet done
clear
C)
Beans done
clear
D)
Paddy done
clear
E)
None of these done
clear
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question_answer30)
Which one of the following turns alcohol into acetic acid?
A)
Penicillium done
clear
B)
Acetobacter done
clear
C)
Mosquito done
clear
D)
Salmonella typhi done
clear
E)
None of these done
clear
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question_answer31)
Which one of the following is caused by bacteria?
A)
Measles done
clear
B)
Polio done
clear
C)
Cholera done
clear
D)
Dengue done
clear
E)
None of these done
clear
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question_answer32)
Identify the disease and its causative agent on the basis of given symptoms.
(i) Small yellow spots formed on upper and lower layer of leaves. |
(ii) Diseased area dies leaving hole. |
(iii) Spots appearing on twigs and fruits |
A)
Yellow vein mosaic ? Virus done
clear
B)
Citrus canker ? Bacteria done
clear
C)
Rust of wheat - Fungus done
clear
D)
Wilt of tomato ? fungus done
clear
E)
None of these done
clear
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question_answer33)
Beans and peas are preferably grown in nitrogen deficient soil because:
(i) They absorb most of the nitrogen from the soil. |
(ii) They are leguminous plants. |
(iii) They have rhizobium in root nodules which can fix atmospheric nitrogen. |
(iv) They are green plants. |
A)
(i) and (ii) done
clear
B)
(ii) and (iii) done
clear
C)
(iii) and (iv) done
clear
D)
(i)and(iv) done
clear
E)
None of these done
clear
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question_answer34)
In the production of. _____ Yeast is used.
A)
Sugar done
clear
B)
Alcohol done
clear
C)
Oxygen done
clear
D)
Nitrogen done
clear
E)
None of these done
clear
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question_answer35)
Bacillus Anthracis was discovered by:
A)
Alexander Fleming done
clear
B)
Edward Jenner done
clear
C)
Robert Koch done
clear
D)
Louis Pasteur done
clear
E)
None of these done
clear
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question_answer36)
Which one of the following is not a protozoa?
A)
Giardia done
clear
B)
Amoeba done
clear
C)
Paramecium done
clear
D)
Fucus done
clear
E)
None of these done
clear
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question_answer37)
Atmospheric nitrogen can be fixed by:
A)
Some fungi done
clear
B)
Some protozoa done
clear
C)
Some blue green algae done
clear
D)
Some Virus done
clear
E)
None of these done
clear
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question_answer38)
Which one of the following is a preservative used in preservation of fruits as jams and jellies?
A)
Mustard oil done
clear
B)
Vinegar done
clear
C)
Sugar done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer39)
Rhizobium bacteria have _____ with leguminous plants.
A)
Free living done
clear
B)
Symbiotic done
clear
C)
Parasitic done
clear
D)
Both [a] and [b] done
clear
E)
None of these done
clear
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question_answer40)
Identify the given microorganism?
A)
Chlamydomonas done
clear
B)
Filamentous algae done
clear
C)
Paramecium done
clear
D)
Giardia done
clear
E)
None of these done
clear
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