MCQs Botany [1] Posted on April 7, 2023Author admin 0 Please enter your email: 1. _____________is an essential micronutrient for plants Boron Magnesium Phosphorus Nitrogen 2. _____________is the major factor that triggers phenological development of plants Planting depth Temperature Relative humidity Soil moisture 3. Scientific name of common rice is ___________________ Brassica napus Triticum aestivum Oryza glaberrima Oryza sativa 4. Major component of legume seeds consists of ___________________ Starch Fat Protein Minerals 5. Select correct sequence of scientific classification of living organisms Kingdom → Class → Phylum → Order → Family Kingdom → Order → Class → Phylum → Family Kingdom → Phylum → Class → Order → Family Kingdom → Phylum → Order → Class → Family 6. _______________ is the scientific name of the strawberry plant Ficus carica Fragaria Ananassa Actinidia deliciosa Persea americana 7. Scientifically sunflower seed is called________ Caryopsis Siliqua Grain Achene 8. In plants _______________ is the gross production minus respiration Net productivity Net primary productivity Secondary productivity Primary productivity 9. Plant response to touch stimulus is called___________________ Gravitropism Chemotropism Thigmotropism Phototropism 10. Regulation of fruit ripening is the primary function of____________hormone Gibberellin Cytokinin Auxin Ethylene 11. Olericulture is the study dealing with_________________ Fruits Vegetable production Ornamental plants Honey bee 12. _____________in the following is not a type of wheat plant Jasmine Durum Einkorn Emmer 13. Plant response to gravity is called___________________ Chemotropism Phototropism Gravitropism Thigmotropism 14. Pome fruits include________ Apple Pear Quince Apple, Pear, Quince 15. ___________________ can be the chemicals used for disease control in plants Herbicides Nematicides Fungicides Insecticides 16. Cereal seeds are rich in ___________________ Protein Minerals Carbohydrates Fat 17. Stem elongation by promoting cell growth is the primary function of____________hormone Ethylene Gibberellin Auxin Cytokinin 18. _____________of the following is NOT a factor that significantly affects plant growth and distribution Temperature Light Intensity Air Pressure Soil Type 19. _____________of the following is a common adaptation of plants that grow in shade Small leaves Large leaves Thick cuticle Dark green leaves 20. Evapotranspiration is primarily driven by __________________ energy Anti-gravitational energy Solar energy Wind energy Atmospheric pressure Loading … Question 1 of 20
