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