Test your basic knowledge |

Botany Test

Subject : science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What type of RNA has an anticodon?






2. A gymnosperm - lives in the desert for up to 3000 years - only grows 2 leaves - 5 feet across - they receive 1 inch of lower of rainfall per year - roots can grow under the soil at least a mile.






3. What organelle was observable in the onion epidermis stained with iodine?






4. What is considered part of the protoplast?






5. During which phase of mitosis do the sister chromatids separate?






6. What is the main function of the roots of a corn plant?






7. Which part of the microscope would be adjusted to sharpen the image of a specimen at high magnification?






8. Epiphytes - valemine breaks down compost in roots






9. Cladifils- modified stems that look like leaves - all parts are photosynthetic

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10. The part of an apple most often eaten by people is receptacle tissue - not ovary - making this what type of fruit?






11. What is the role of endosperm?






12. What is a product of the biochemical reactions of photosynthesis?






13. Lives in desert - leaves have waxy cuticle - succulent - holds onto water






14. During which phase of meiosis do daughter cells become haploid?






15. Seeds are not protected by fruit and they do not have flowers - do not have shell around seeds - reproduce by releasing pollen into the air to make available to the ovule in the megaspores - causing fertilization






16. What are homologous chromosomes?






17. What are beneficial products made from bacteria?






18. What would be a way of keeping a short-day plant from blooming?






19. Have a cell wall - no membrane - and no nucleus






20. Have a cell wall - no membrane - and no nucleus






21. What process involves the movement of water across a semi-permeable membrane?






22. What hormone functions in stomatal closure and can be used to induce dormancy in cultivated plants?






23. What pigment is responsible for plants sensing day length?






24. Info. carrying molecule - single stranded






25. What causes diffusion of gases to occur?






26. Lives in california - it is a lily - waxy - thin - sharp leaves to stop water loss - holds water for up to 2 years.






27. 3 part molecule with a sugar - phosphate group - and nitrogenous base - carries genes






28. Where in the chloroplast do protons accumulate - resulting in an electrochemical gradient which drives ATP-synthase?






29. Which tissue system occurs throughout the plant - is made up of parenchyma - collenchyma - and sclerenchyma cells - and functions in storage - structural support - and metabolism?






30. Lives in desert - leaves have waxy cuticle - succulent - holds onto water






31. What organelle do guard cells contain that other epidermal cells lack?






32. What is a final product of aerobic respiration?






33. During which phase of the cell cycle does DNA replication occur?






34. What BEST describes plant hormones?






35. You can determine the age of a woody branch by counting these






36. What would be a way of keeping a short-day plant from blooming?






37. Don't have roots or leaves - and are not producers - do not photosynthesize - and have cell walls made out of chitlin.






38. Which class of organic macromolecule stores the greatest amount of potential energy?






39. What contains the most potential energy?






40. Vascular and seed bearing






41. During which phase of mitosis do the sister chromatids separate?






42. Traits that are desirable can be selected and bred for. process of selectively mating and breeding plants with particular traits.






43. Composite organisms consisting of a symbiotic organism composed of a fungus with a photosynthetic partner - can be used as a natural fertilizer






44. How are the vascular bundles of a dicot arranged in the stem?






45. How are the vascular bundles of a dicot arranged in the stem?






46. How many sperm cells does each pollen grain typically carry?






47. What phenomena explains how a photon can strike any chlorophyll molecule in the antennal complex and still reach the reaction center?






48. What hormone stimulates cell division and may interfere with the function of auxin - leading to the development of 'witches-broom'?






49. Lives in dry - hot/cold - windy places - has fuzzy hairs to distance wind from the leaves






50. What are adenine - guanine - thymine - cytosine?