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