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