MCQs Botany-7 Posted on 2024-03-172024-11-08Author admin 0 MCQs Botany-7 Multiple Choice Questions (MCQs) for Test Preparation Botany, Plant Sciences 1. Normal greenhouse effect is essential for life on Earth, trapping heat that keeps our planet warm, maintaining an average temperature ______. 25 ℃ 42 ℃ 8 ℃ 15 ℃ 2. ______________ received Nobel Prize in Chemistry (1915), for his research on plant pigments, especially chlorophyll Melvin Calvin Hans Fischer Johann Deisenhofer Richard Willstätter 3. Glycosidic Linkage connects two ________________ Amino acids Monosaccharides Nucleotides Fatty Acids 4. Pollen grain formation is a key adaptation that allows plants to reproduce ____________, for fertilization. Without the need for water in the presence of water None of these with ample supply of water 5. ____ is credited with popularizing the concept, “All cells come from cells,” a foundational principle of Cell Theory”. William Spence William Kirby Marcello Malpighi Rudolf Virchow 6. _________ described water movement out of the cell Diffusion Exosmosis Plasmolysis Endosmosis 7. Azotobacter is ________ that fixe atmospheric nitrogen in the soil Non-symbiotic Bacteria symbiotic Fungi Non-symbiotic Fungi Symbiotic Bacteria 8. _________ is the study of fungi Mycology Microbiology Phycology Plant Pathology 9. ______________ received shared Nobel Prize in Chemistry (1988), for the determination of the three-dimensional structure of a photosynthetic reaction centre” Richard Willstätter Johann Deisenhofer Melvin Calvin Hans Fischer 10. Eggplants belong to the ______________ family Poaceae Liliaceae Brassicaceae Solanaceae 11. _________ described massive water loss causing cell shrinkage Endosmosis Diffusion Plasmolysis Exosmosis 12. A ____________ is a comprehensive written work that provides a detailed and authoritative account of a specific taxonomic group, such as a genus, family, or class Monograph Manual Journal Review Article 13. ______________ received the Nobel Prize in Chemistry (1930), for his research into the constitution of haemin and chlorophyll and especially for his synthesis of haemin Johann Deisenhofer Melvin Calvin Hans Fischer Richard Willstätter 14. Heterosis is_______ Hybrid sterility Hybrid compatibility Hybrid vigor Hybrid incompatibility 15. ______________ received the Nobel Prize in Chemistry (1961), for his research on carbon dioxide assimilation in plants Hans Fischer Richard Willstätter Johann Deisenhofer Melvin Calvin 16. _______ is an organism that lives on or inside the body of a different organism and obtains nutrients from it Autotroph Auxotroph Myxotroph Parasite 17. Prosenchyma is a type of __________ Collenchyma Chlorenchyma Sclerenchyma Parenchyma 18. _________ can be associated with plant cell swelling Exosmosis Plasmolysis Endosmosis Diffusion 19. Prosenchyma is a type of __________ Parenchyma Sclerenchyma Chlorenchyma Collenchyma 20. In DNA adenine generally pairs with _______ Thymine Cytosine None of these Guanine Loading …