UH MANOA BIO172 ACTUAL EXAM 1; QUESTIONS

UH MANOA BIO172 (ACTUAL / ) EXAM 1; QUESTIONS

AND VERIFIED ANSWERS

• How long ago did plants first colonize land?
• 45 million years ago
• 150 million years ago
• 475 million years ago
• 1.2 billion years ago - ---Answers----C) 475 million years

ago

• Which of the following groups has the most species?
• bryophytes
• lycophytes
• gymnosperms
• angiosperms - ---Answers----D) angiosperms

• Which of the following is within the pollen grain of

angiosperms?

• male gametophyte
• female gametophyte
• male sporophyte
• female sporophyte - ---Answers----A) male gametophyte
• / 2

• The closest relatives of the familiar pine and spruce trees

are

• ferns, horsetails, lycophytes, and club mosses.
• hornworts, liverworts, and mosses.
• gnetophytes, cycads, and ginkgos.
• elms, maples, and aspens. - ---Answers----C)

gnetophytes, cycads, and ginkgos.

• Which of the following directly produces the

megasporangium of pine ovules?

• male gametophyte
• female gametophyte
• male sporophyte
• female sporophyte - ---Answers----D) female sporophyte

• Which of the following is a characteristic of all

angiosperms?

• double internal fertilization
• free-living gametophytes
• rhizoids
• a taproot - ---Answers----A) double internal fertilization

• Which part of a plant absorbs most of the water and

minerals taken up from the soil?

• root cap
• root hairs
• / 2