In order to track the inheritance of two characters, you would need to do a:
A) monohybrid cross. B) dihybrid cross.
C) true-breeding cross. D) trihybrid cross.
Answer: B
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Which sex chromosomes are present in only one sex?
A) X and Z B) X and W C) Y and Z D) Y and W E) X and Y
Which of the following is mismatched?
a. netted veination - dicotyledons b. vascular bundles distributed throughout the stem - monocotyledons c. one cotyledon - monocotyledons d. floral parts in multiples of four or five - dicotyledons e. true secondary growth - monocotyledons
A saprobe differs from a parasite in that
A. a saprobe derive nutrients from dead plants and animals, but a parasite derives nutrients from living plants and animals. B. a saprobe is a fungus, but a parasite can be any type of microbe. C. a saprobe does not harm a host that it lives on, whereas a parasite does harm a host. D. a saprobe cannot infect a human, but a parasite is always infectious.
What are the two organ systems of a vascular plant body?
a. shoots and roots b. stems and leaves c. stems and roots d. leaves and roots e. leaves and flowers