Top 100 Important Everyday Science Mcqs Set-7 61- Which of the following is not a cereal? A. RiceB. MustardC. BarleyD. Maize View Answer Answer : B. Mustard Description 62- Which of the following is a balanced fertilizer for plants? A. UreaB. NitratesC. CompostD. Ammonium View Answer Answer : C. Compost Description 63- Blight disease of potato can be cured by: A. DiathaneB. Bordeaux mixtureC. Dionine T-4 D. Agrimycin and ceresin View Answer Answer : B. Bordeaux mixture Description 64- Niab-86 is a variety of: A. RiceB. MilletC. CottonD. Wheat View Answer Answer : A. Rice Description 65- Lime is sometimes applied to soil in order to: A. Increase the acidity of soil B. Increase the alkalinity of soil C. Make the soil more porous D. Restore nitrates to the soil View Answer Answer : B. Increase the alkalinity of soil Description 66- Which of the following is adapted to grow in dry places? A. SciophytesB. XerophytesC. HeliophytesD. Hydrophytes View Answer Answer : B. Xerophytes Description 67- The process of separating grain from chaff and hay with the help of wind is called: A. SievingB. ThreshingC. WinnowingD. None of these View Answer Answer : C. Winnowing Description 68- Cotton fibre is obtained from: A. LeafB. RootC. StemD. Seed View Answer Answer : D. Seed Description 69- Seeds can best be preserved in: A. Hot and dry condition B. Hot and wet condition C. Cool and wet conditionD. Cool and dry condition View Answer Answer : D. Cool and dry condition Description 70- The science of vegetable culture is known as: A. AgricultureB. HorticultureC. FloricultureD. Arboriculture View Answer Answer : B. Horticulture Description 71- Higher plants take up nitrogen as: A. UreaB. Nitrites only C. Nitrates only D. Nitrates and ammonia View Answer Answer : D. Nitrates and ammonia Description 72- Mixed cropping is useful when: A. Crops with same maturity periods are sown together B. Crops with varying maturity periods are sown together C. Different soils are used for same cropD. Crops with different nutritional requirements are grown View Answer Answer : D. Crops with different nutritional requirements are grown Description 73- Plant identical to mother plant can be had from: A. SeedsB. Stem cuttingC. Both A and BD. None of these View Answer Answer : B. Stem cutting Description 74- Cochineal insects are used to eradicate the weed called: A. JaviB. ChaulaiC. BathuaD. Opuntia View Answer Answer : D. Opuntia Description 75- Sound waves cannot travel through: A. AirB. WaterC. VacuumD. Solid View Answer Answer : C. Vacuum Description 76- The most common weed which grows along with almost every crop is: A. AmaranthsB. Wild oat C. ChenopodiumD. Convolvulus View Answer Answer : A. Amaranths Description 77- Khaira is a plant disease caused due to deficiency of: A. IronB. NitrogenC. ZincD. Carbon View Answer Answer : C. Zinc Description 78- What is mixed farming? A. Cultivating different crops alternatively B. Cultivating different crops in the same farm C. Cultivating different varieties of same crop D. Cultivating crops and keeping livestock in the same farm View Answer Answer : D. Cultivating crops and keeping livestock in the same farm Description 79- Plants that are derived from the vegetative organs of a single plant are known as: A. ClonesB. HybridsC. PolyploidsD. Haploids View Answer Answer : A. Clones Description 80- The green fodder plants for animals which are used in winter are: A. Bajra and jowarB. Berseem and LucerneC. Maize and jowar D. Sorghum and maize View Answer Answer : B. Berseem and Lucerne Description 1 2 3 4 5
