quiz1akey - i.e ., lack protoplasm) yet are fully...

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Bio152 – Plant Quiz 1 January 26, 2010 1. Tubers, stolons, and rhizomes are: a. modified stems b. modified leaves c. specialized root tissues d. only found in monocots 2. Which of the following cells or tissues contain chloroplasts? a. Spongy mesophyll b. Phloem c. Guard cell d. Tracheid e. Both a and c 3. In which of the following sets of cells and/or tissues do all members belong to the same tissue system (dermal, ground or vascular)? a. Root hair, guard cell, stem epidermis b. Vessel element, bundle sheath, spongy mesophyll c. Stem pith, phloem, xylem d. none of the above 4. Which of the following cells are dead (
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Unformatted text preview: i.e ., lack protoplasm) yet are fully functional? a. Palisade mesophyll b. Sieve-tube members c. Vessel elements and tracheids d. Root cortical cells 5. The root endodermis is a a. barrier to symplastic flow into the stele b. barrier to uptake of nonessential and/or toxic elements c. layer of cells possessing a casparian strip d. b and c e. All of the above 6. Which of the following are traits shared by mitochondria and chloroplasts? a. They have their own DNA b. They self-replicate c. They have two membranes d. They are thought to be endosymbionts e. All of the above...
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