Discussion
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- Question
All algae possess
Options- A. nuclei
- B. chloroplasts
- C. Both (a) and (b)
- D. none of these
- Correct Answer
- Both (a) and (b)
- 1. Characteristics used to place algae into divisions include all of the following except
Options- A. form of storage material
- B. flagella number and location
- C. accessor pigments used in photosynthesis
- D. all of the above Discuss
- 2. Algae are classified into 6 groups, technically known as
Options- A. categories
- B. divisions
- C. genera
- D. domains Discuss
- 3. The algae Chlamydomonas demonstrates a complex life cycle that switches between haploid and diploid forms. This life cycle is called
Options- A. the sexual-asexual exchange
- B. the transposition cycle
- C. an alternation of generations
- D. algal transformation Discuss
- 4. Which algal division is divided up into three main groups consisting of the golden-brown algae, the yellow-green algae and the diatoms?
Options- A. Chlorophyta
- B. Chrysophyta
- C. Phaeophyta
- D. Pyrrophyta Discuss
- 5. Which of the following best describes the algae known as diatoms?
Options- A. Cells have intricate shells of silicon dioxide with two halves
- B. Cells are encased in rigid walls composed of cellulose coated with silicon
- C. Cells have flagella and a light-detecting eye spot
- D. Cells contain carotenoid pigments as well as chlorophyll A and B Discuss
- 6. The __________ is the vegetative body of algae.
Options- A. mycelium
- B. plasmodium
- C. pseudoplasmodium
- D. thallus Discuss
- 7. The number of members of the division Phaeophyta that live in freshwater habitats
Options- A. is greater than the number of members of the division Chloro-phyta that live in freshwater habitats
- B. is lesser than the number of members of the division Chlorophyta that live in freshwater habitats
- C. is equal to the number of members of the division Chlorophyta that live in freshwater habitats
- D. none of the above Discuss
- 8. Starch is an energy storage material characteristic of
Options- A. chlorophyta
- B. chrysophyta
- C. phaeophyta
- D. rhodophyta Discuss
- 9. Which of the following properties is due to lysogenic conversion by phages?
Options- A. Toxin production in Corynebacterium diphtheriae
- B. Toxin production in Clostridium botulinum types C and D
- C. Antigenic variation in Salmonella anatum
- D. All of the above Discuss
- 10. Which capsid symmetry is exhibited by most of the phages?
Options- A. Helical
- B. Icosahedral
- C. Complex
- D. None of these Discuss
Algae problems
Search Results
Correct Answer: all of the above
Correct Answer: divisions
Correct Answer: an alternation of generations
Correct Answer: Chrysophyta
Correct Answer: Cells have intricate shells of silicon dioxide with two halves
Correct Answer: thallus
Correct Answer: is lesser than the number of members of the division Chlorophyta that live in freshwater habitats
Correct Answer: rhodophyta
Correct Answer: All of the above
Correct Answer: Icosahedral
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