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