Botany quizVersión en línea Botany quiz por Romoulous Malachi 1 1. After entering the roots, water is accumulated in; a a. Xylem b b. Phloem c c. Cambium d d. None of these 2 2. In plants the excess water is removed; a a. Respiration b b. Transpiration c c. Guttation d d. Transpiration and guttation 3 3. Most of the gaseous exchange in a leaf occurs through: a a. Stomata b b. General surface c c. Many d d. Lenticels 4 4. The thickness of biosphere is; a a. 10-20km b b. 2 km c c. 100km d d. 200km 5 5. A network of all feeding relationship in the ecosystem is called; a a. Food chain b b. Food web c c. Trophic level d d. Energy flow 6 6. Which on is a desert plant? a a. Mango b b. Rose c c. Cactus d d. None of these 7 7. During respiration releases. a a. Oxygen b b. Carbon dioxide c c. Nitrogen d d. Ammonia 8 8. Biotic component of environment are; a a. Animals b b. Plants c c. Microorganisms d d. All of these 9 9. For all ecosystem the basic source of energy is; a a. Water b b. Sun c c. Fire d d. Plants 10 10. Example of primary consumer a a. Grasshopper b b. Lion c c. Frog d d. Fox 11 11. A relationship between species in which both species get benefits is called; a a. Parasitism b b. Mutualism c c. Symbioses d d. Commensalism 12 12. It reproduce by bulbs; a a. Garlic b b. Ginger c c. Ferns d d. Tulips 13 13. Double fertilization is a feature of : a a. Seedless plants b b. Gymnosperms c c. Flowering plants d d. Ferns 14 14. Example of asexual reproduction in plants; a a. Tissue culturing b b. Parthenogenesis c c. Cloning d d. Binary fission 15 15. It germinates by epigeal germination a a. Pea b b. Maize c c. Beans d d. Coconut 16 16. Living organisms can live alone. a a. True b b. False 17 17. Animals do not depend on green plants. a a. True b b. False 18 18. Photosynthesis occur in animals a a. True b b. False 19 19. Algae and fungi form lichen. a a. True b b. False 20 20. Respiration occurs in chloroplast of the cell. a a. True b b. False 21 21. Maintenance of internal body temperature is called thermoregulation. a a. True b b. False 22 22. Plants which can grow in salty areas are known as halophytes. a a. True b b. False 23 23. Rubber plants secrete latex. a a. True b b. False 24 24. Horizontal underground stem are called tubers. a a. True b b. False 25 25. Large vacuole is present in the center of plant cell. a a. True b b. False