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