What are the three main tissues in a plant?
(a) leaf, root, and stem tissue
(b) flower, root hair, and fruit tissue
(c) Dermal, vascular, ground tissue
(d) Internode, node, and petiole tissue
(e) They only have two tissues
Ans: (c) Dermal, vascular, ground tissue
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Choose the true statement about the role of polyploidization in the evolution of plant genomes.
A. Jumping of transposons is most common many generations after a polyploidization event. B. Genome downsizing following allopolyploidy usually affects the participating hybrids equally. C. Genome downsizing following allopolyploidy results mainly from duplicate gene loss. D. Crop plants rarely show evidence of polyploidization events.
Plant tissue specialized for conducting fluids is known as ____
a. ground tissue b. protoderm c. vascular tissue d. meristem e. dermal tissue
Which action allows a plant to conserve water?
A) increasing photosynthesis during the day B) opening stomata only at night C) possessing large leaves D) developing wide vessel elements
With a decreasing distance between two genes on a chromosome, the probability of a recombination event is __________
a. increased b. guaranteed c. reduced d. no more likely or less likely e. Both a and b