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