Whichofthefollowingsubstancesbyproviding

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Unformatted text preview: the vascular cylinder. D) epidermis and the cortex. 10. Which is found in both plant and animal cells? A) chloroplasts B) mitochondria C) a large central vacuole containing fluid D) cell wall surrounding the plasma membrane 11. Which of the following substances, by providing strength, allows sclerenchyma cells to provide support and play role analogous to that of an animal's skeleton? A) lignin C) starch B) sucrose D) chlorophyll 12. Which of the following is a function of tracheids? A) food storage C) production of sex cells B) photosynthesis D) water conduction 13. Growth that pushes root down takes place through A) cell elongation at the tip of the root cap. B) cell division in the apical meristem. C) cell elongation behind the root tip. D) differentiation of xylem cells in the apical meristem. 14. If you carve your initials in the trunk of a tree, will they move up as the tree grows? A) Yes, because a tree elongates from the ground up. B) Yes, because secondary growth will cause to move up. C) No, because elongation occurs just below the tips of growing stems in the apical meristems. D) Yes, because growth continues in all parts. 15. The male organ of a flower is the A) style. C) sepal. B) stamen. D) carpel. 1 2 BIO102 - EXAM 05 16. In flowering plants, cells that give rise to sperm undergo meiosis in the A) ovaries. C) anthers. B) sepals. D) stigma. 17. A seed develops from a(n) A) pollen grain. C) ovary. B) fruit. D) ovule. 18. Which of the following is the first to emerge from germinating seed of a eudicot such as the garden bean? A) the embryonic shoot hook B) cotyledons C) the embryonic root D) the shoot sheath 19. Which of the following plant parts commonly contributes to asexual reproduction? A) seeds C) flowers B) roots D) fruits 20. Genetically identical organisms that result from asexual reproduction are called A) clones. C) seedlings. B) seeds. D) rootlets. 21. Where do plants get most of their mass? A) from nitrogen in the atmosphere B) from carbon dioxide in the atmosphere C) from water, as van Helmont predicted D) from organic molecules taken up from the soil 22. What is the physical barrier in the root that regulates the flow of water to xylem via cell walls? A) phloem C) casparian strip B) epidermis D) cortex 23. ________ increase the surface area of roots. A) Plasmodesmata B) Cell walls and endoplasmic reticulum C) Casparian stri...
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This document was uploaded on 03/30/2014.

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