MCQs Botany-1 Posted on 2023-04-072024-11-08Author admin 4 MCQs Botany-1 1. In plants _______________ is the gross production minus respiration Primary productivity Net primary productivity Secondary productivity Net productivity 2. Olericulture is the study dealing with_________________ Fruits Honey bee Vegetable production Ornamental plants 3. Stem elongation by promoting cell growth is the primary function of____________hormone Cytokinin Auxin Gibberellin Ethylene 4. _______________ is the scientific name of the strawberry plant Fragaria Ananassa Ficus carica Persea americana Actinidia deliciosa 5. Regulation of fruit ripening is the primary function of____________hormone Ethylene Gibberellin Cytokinin Auxin 6. Pome fruits include________ Apple, Pear, Quince Quince Pear Apple 7. Scientific name of common rice is ___________________ Triticum aestivum Oryza sativa Oryza glaberrima Brassica napus 8. Major component of legume seeds consists of ___________________ Minerals Starch Fat Protein 9. _____________of the following is NOT a factor that significantly affects plant growth and distribution Light Intensity Temperature Soil Type Air Pressure 10. _____________is the major factor that triggers phenological development of plants Relative humidity Soil moisture Planting depth Temperature 11. Select correct sequence of scientific classification of living organisms Kingdom → Order → Class → Phylum → Family Kingdom → Phylum → Order → Class → Family Kingdom → Phylum → Class → Order → Family Kingdom → Class → Phylum → Order → Family 12. Cereal seeds are rich in ___________________ Minerals Carbohydrates Fat Protein 13. Plant response to gravity is called___________________ Phototropism Thigmotropism Chemotropism Gravitropism 14. Plant response to touch stimulus is called___________________ Chemotropism Gravitropism Thigmotropism Phototropism 15. _____________in the following is not a type of wheat plant Jasmine Durum Emmer Einkorn 16. Evapotranspiration is primarily driven by __________________ energy Wind energy Atmospheric pressure Solar energy Anti-gravitational energy 17. ___________________ can be the chemicals used for disease control in plants Fungicides Nematicides Herbicides Insecticides 18. Scientifically sunflower seed is called________ Achene Siliqua Grain Caryopsis 19. _____________of the following is a common adaptation of plants that grow in shade Large leaves Thick cuticle Small leaves Dark green leaves 20. _____________is an essential micronutrient for plants Nitrogen Phosphorus Boron Magnesium Loading …
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