MCQs Botany-6 Posted on 2024-03-092024-11-08Author admin 0 MCQs Botany-6 Multiple Choice Questions (MCQs) for Test Preparation Botany, Plant Sciences 1. In angiosperms, sporophyte generation is ________________ Triploid Polyploid Diploid Haploid 2. Organisms that can tolerate high temperature (45-65 °C) are called _____________ Halophillic Mesophillic Non-thermic Thermophilic 3. ___________ are non-motile spores produced by some algae and protists Monospore Akinetes Aplanospores Resting Spores 4. _________are living organisms that exist solely at the organelle level of organization Lichens Bacteria Pteridophytes Bryophytes 5. ___________ are thick-walled spores, resistant to extremes of environments Resting Spores Akinetes Monospore Aplanospores 6. ___________ are specialized resting stages formed by some cyanobacteria Aplanospores Akinetes Zygospores Monospore 7. Photosynthetic pigmented organelles within plastids are called ___________- Chromoplasts Leucoplasts Chloroplasts Amyloplasts 8. _______ is the fusion of two non-flagellated gametes Budding Parthenogenesis Conjugation Heterogamy 9. ___________ phenomenon describes the light production by living organisms Fluorescence Phosphorescence Bioluminescence Photophore 10. Bristlecone Pines is known for its longevity, with record life of ________ years around 3,000 None of these around 4,500 around 7,000 11. If leaf lamina is segmented into more than one plane then the leaf is known as_____________ Simple leaf Cauline leaf Compound leaf Bract leaf 12. ___________ organisms that can tolerate high salts in the environment Mesophillic Halophillic Thermophilic Non-thermic 13. ___________ deals with the direct manipulation of an organism’s genetic makeup to introduce new traits or modify existing ones Biotechnology None of these Tissue culture Genetic Engineering 14. ___________ organisms prefer moderate temperature Halophillic Mesophillic Thermophilic Non-thermic 15. ___________ are spores produced by a single parent cell during asexual reproduction Akinetes Resting Spores Monospore Aplanospores 16. ___________ is a type of plastids associated with the storage of oils and fats in the plants Aleuroplast Amyloplasts Elaioplast Leucoplasts 17. Vascular plants, with specialized tissues for transporting water and nutrients, appeared during __________ million years ago 145-65 415-355 445-415 66 18. Concerns surrounding genetically modified organisms (GMOs) primarily focus on _____________ Impact on the human health and environment Cost of production Labor issues in agriculture Pesticide pollution 19. _________ are photosynthetic pigments that absorb light energy and transfer it to a reaction center of “chlorophyll a”. Primary pigments Water soluble pigments Tertiary pigments Accessory pigments 20. Gymnosperms have been originated about __________________million years ago 360 319 370 300 Loading …