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