Reference no: EM132203195
QUESTION 1
Which of these choices is a natural product?
- Ethane made from natural gas
- Aspirin synthesized in the lab
- Ice cream made with natural ingredients and no artificial chemicals
- Alginic acid isolated from brown algae
QUESTION 2
According to the endosymbiotic theory,
- ancient fungi are the ancestors of land plants
- eukaryotes are the product of a prokaryote engulfing membranes and ribosomes
- ancient green algae are the ancestors of land plants
- eukaryotes are a product of one prokaryote engulfing another
QUESTION 3
Eukaryotic organelles that are thought to have originated by endosymbiosis include
- plastids
- ribosomes
- centrioles
- nucleus
- endoplasmic reticulum
QUESTION 4
Which of these Divisions includes organisms that live in freshwater, as well as the most abundant organisms in the ocean?
- Division Chrysophyta
- Division Chlorophyta
- Division Phaeophyta
- Division Rhodophyta
- All of them
QUESTION 5
Which of these Divisions includes the source of agar?
- Division Chrysophyta
- Division Chlorophyta
- Division Phaeophyta
- Division Rhodophyta
- All of them
QUESTION 6
Which of these Divisions include organisms that have chlorophyll a?
- Division Chrysophyta
- Division Chlorophyta
- Division Phaeophyta
- Division Rhodophyta
- All of them
QUESTION 7
Mitochondria _________________.
- were once anaerobic and later become aerobic.
- have a structure that is similar to certain free-living algae species.
- divide by binary fission in a manner similar to many prokyarotes.
- divide by mitosis in a manner similar to many eukaryotes.
QUESTION 8
Which of these statements are true about bryophytes?
- The gametophytes are larger and more conspicuous than the sporophyte generation
- They are never found in inhospitable environments like tundras and deserts
- The sporophytes are larger and more conspicuous than the gametophyte generation
- They conduct water and nutrients in vascular tissue
QUESTION 9
What type of life cycle do bryophytes have?
- Diploid-dominant
- Alternation of isomorphic generations
- Monobiontic
- Alternation of generations
QUESTION 10
Members of this group of algal species are known as kelp. They often have large complex bodies and are found along rocky coasts. Division _____________________.