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Which of the following tissue absent in algae?
- Roots
- Stem
- Leaves
- All of thes
- N/A
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Answer: D Explanation: -
The body of multicellular alga is called ______
- Mycellium
- Thallus
- Stem
- Medulla
- N/A
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Answer: B Explanation: -
Alga float over water surface by the help of which organelle?
- Pneumatocyst
- Gas vacule
- water Vacule
- Wax on outer surface
- N/A
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Answer: A Explanation: -
Alga are classified n basis of which structure?
- Nucleotide sequance
- Ribosomal RNA sequance
- Pigment
- All of these
- N/A
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Answer: D Explanation: -
What red alga is toxic for human?
- Red alga have toxin in it
- Red alga have antibiotic in it
- Red alga smell bad
- Red algal bloom is edible
- N/A
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Answer: A Explanation: -
Red alga also called ____
- Phaeophyta
- Rhodophyta
- Chlorophyta
- Bacillariophyta
- N/A
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Answer: B Explanation: -
The colour of Cholorophyta is _____
- Red
- Brown
- Green
- White
- N/A
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Answer: C Explanation: -
The cell wall of phaeophyta is made up of ____
- Cellulose
- Alginic acid
- Chitin
- Both A and B
- N/A
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Answer: D Explanation: -
Bacillariophyta cell wall made up of ____
- Pectin and Cilica
- Cellolose
- Chitin
- Peptidoglycan
- N/A
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Answer: A Explanation: -
What is primary role of algae in ecosystem?
- They provide organic matter as food source
- They produce oxygen
- They act as food source
- All of these
- N/A
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Answer: D Explanation: