Question

Q3. Consider the following statements:

1. A macrophyte is an aquatic plant that grows in or near water and is only submergent.

2. In lakes and rivers macrophytes produce oxygen, and act as food for some fish and wildlife.

Which of the above statements are correct?

• A. a) 1 only
• B. b) 2 only
• C. c) Both 1 and 2
• D. d) None of the above

Answer 1

The correct option is B

b) 2 only

• A macrophyte is an aquatic plant that grows in or near water and is either emergent, submergent, or floating, and includes helophytes (a plant that grows in marsh, partly submerged in water, so that it regrows from buds below the water surface).
• In lakes and rivers macrophytes provide cover for fish and substrate for aquatic invertebrates, produce oxygen, and act as food for some fish and wildlife