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Consider the following statements regarding diatoms:
1. These are microscopic algae which serve as a base of the aquatic food chain.
2. These are only found in the fresh water ecosystem.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Consider the following statements regarding diatoms:1. These are micro...
Researchers have discovered a new genus of the Gomphonemoid diatom found in the clean water river of the Eastern Ghats and it has been named Indiconema to value its restricted distribution in the country.
- These are photosynthetic, single celled organism.
- These are microscopic algae and serve as a base of the aquatic food chain. Due to their sensitivity towards any water chemistry changes, they are excellent indicators of aquatic health.
- They are a major group of algae and form one of the most common forms of phytoplankton.
- Habitat: They are found in almost every aquatic environment including fresh and marine waters.
- Diatoms have cell walls made of silica, Each species has a distinct pattern of tiny holes in the cell wall (frustule) through which they absorb nutrients and get rid of waste.
- Collectively, they are responsible for generating up to 50% of the oxygen produced globally each year.
Key facts about Indiconema
- It differs in having a pore field at both the head and foot pole rather than having only at the foot pole.
- Researchers reported one species of Indiconema from the Eastern Ghats and another from the Western Ghats. A similar pattern of sharing endemic elements between two mountain systems has been observed for other endemic-rich groups, such as reptiles.
- Based on the morphological features of this group, the researchers have suggested that Indiconema is sister to Afrocymbella, a genus endemic to East Africa.
Hence only statement 1 is correct.
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Consider the following statements regarding diatoms:1. These are microscopic algae which serve as a base of the aquatic food chain.2. These are only found in the fresh water ecosystem.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'A'. Can you explain this answer?
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Consider the following statements regarding diatoms:1. These are microscopic algae which serve as a base of the aquatic food chain.2. These are only found in the fresh water ecosystem.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'A'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements regarding diatoms:1. These are microscopic algae which serve as a base of the aquatic food chain.2. These are only found in the fresh water ecosystem.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements regarding diatoms:1. These are microscopic algae which serve as a base of the aquatic food chain.2. These are only found in the fresh water ecosystem.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'A'. Can you explain this answer?.
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