Q21. Which of the following types of algae are commonly used in the production of agarwood, a valuable aromatic resin?
a) Red algae
b) Brown algae
c) Green algae
d) Blue-green algae
Show Answer
Correct Answer: d) Blue-green algae
Explanation: Certain species of blue-green algae are involved in the production of agarwood, also known as oud, through a complex interaction with host trees. Agarwood is highly valued for its fragrance and is used in perfumes and incense.
Q22. Which of the following types of algae are commonly used in the production of sushi wrappers?
a) Red algae
b) Brown algae
c) Green algae
d) Blue-green algae
Show Answer
Correct Answer: a) Red algae
Explanation: Nori, a type of edible seaweed used as a wrapping for sushi and other Japanese dishes, is derived from certain species of red algae, particularly from the genus Porphyra.
Q23. Which of the following types of algae are commonly found in symbiotic relationships with fungi to form mycorrhizae?
a) Red algae
b) Brown algae
c) Green algae
d) Blue-green algae
Show Answer
Correct Answer: c) Green algae
Explanation: Certain species of green algae form symbiotic relationships with fungi to create mycorrhizae, which are associations between plant roots and fungi that enhance nutrient uptake and plant growth.
Q24. Which of the following types of algae are commonly used in the production of agarwood, a valuable aromatic resin?
a) Red algae
b) Brown algae
c) Green algae
d) Blue-green algae
Show Answer
Correct Answer: d) Blue-green algae
Explanation: Certain species of blue-green algae are involved in the production of agarwood, also known as oud, through a complex interaction with host trees. Agarwood is highly valued for its fragrance and is used in perfumes and incense.
Q25. Which of the following types of algae are commonly used in the production of sushi wrappers?
a) Red algae
b) Brown algae
c) Green algae
d) Blue-green algae
Show Answer
Correct Answer: a) Red algae
Explanation: Nori, a type of edible seaweed used as a wrapping for sushi and other Japanese dishes, is derived from certain species of red algae, particularly from the genus Porphyra.
Q26. Which of the following types of algae are commonly found in symbiotic relationships with fungi to form mycorrhizae?
a) Red algae
b) Brown algae
c) Green algae
d) Blue-green algae
Show Answer
Correct Answer: c) Green algae
Explanation: Certain species of green algae form symbiotic relationships with fungi to create mycorrhizae, which are associations between plant roots and fungi that enhance nutrient uptake and plant growth.
Q27. Which of the following types of algae are commonly used in the production of agarwood, a valuable aromatic resin?
a) Red algae
b) Brown algae
c) Green algae
d) Blue-green algae
Show Answer
Correct Answer: d) Blue-green algae
Explanation: Certain species of blue-green algae are involved in the production of agarwood, also known as oud, through a complex interaction with host trees. Agarwood is highly valued for its fragrance and is used in perfumes and incense.
Q28. Which of the following types of algae are commonly used in the production of sushi wrappers?
a) Red algae
b) Brown algae
c) Green algae
d) Blue-green algae
Show Answer
Correct Answer: a) Red algae
Explanation: Nori, a type of edible seaweed used as a wrapping for sushi and other Japanese dishes, is derived from certain species of red algae, particularly from the genus Porphyra.
Q29. Which of the following types of algae are commonly found in symbiotic relationships with fungi to form mycorrhizae?
a) Red algae
b) Brown algae
c) Green algae
d) Blue-green algae
Show Answer
Correct Answer: c) Green algae
Explanation: Certain species of green algae form symbiotic relationships with fungi to create mycorrhizae, which are associations between plant roots and fungi that enhance nutrient uptake and plant growth.
Q30. Which of the following types of algae are commonly used in the production of agarwood, a valuable aromatic resin?
a) Red algae
b) Brown algae
c) Green algae
d) Blue-green algae
Show Answer
Correct Answer: d) Blue-green algae
Explanation: Certain species of blue-green algae are involved in the production of agarwood, also known as oud, through a complex interaction with host trees. Agarwood is highly valued for its fragrance and is used in perfumes and incense.