Structural Organization - Anatomy of Flowering Plants
Q. What is the function of sclerenchyma tissue? (2022)
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A.
Storage
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B.
Photosynthesis
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C.
Support and protection
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D.
Transport
Solution
Sclerenchyma tissue provides support and protection to the plant due to its thick, lignified cell walls.
Correct Answer: C — Support and protection
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Q. What is the main function of phloem in flowering plants? (2023)
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A.
Transport of water
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B.
Transport of nutrients
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C.
Transport of food
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D.
Support
Solution
Phloem is responsible for the transport of food (sugars) produced during photosynthesis from leaves to other parts of the plant.
Correct Answer: C — Transport of food
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Q. What is the outermost layer of a plant stem called? (2022)
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A.
Cortex
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B.
Epidermis
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C.
Phloem
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D.
Xylem
Solution
The outermost layer of a plant stem is called the epidermis, which protects the plant from environmental damage.
Correct Answer: B — Epidermis
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Q. What is the primary function of the root system in flowering plants? (2020)
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A.
Photosynthesis
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B.
Anchorage and absorption of water
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C.
Reproduction
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D.
Storage of food
Solution
The primary function of the root system is to anchor the plant and absorb water and nutrients from the soil.
Correct Answer: B — Anchorage and absorption of water
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Q. What type of plant tissue is responsible for the growth in length of stems and roots? (2021)
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A.
Permanent tissue
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B.
Meristematic tissue
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C.
Vascular tissue
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D.
Ground tissue
Solution
Meristematic tissue is responsible for the growth in length of stems and roots through cell division.
Correct Answer: B — Meristematic tissue
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Q. What type of plant tissue is responsible for the growth in length of the plant? (2021)
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A.
Lateral meristem
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B.
Apical meristem
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C.
Permanent tissue
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D.
Vascular tissue
Solution
Apical meristem is responsible for the primary growth in length of the plant.
Correct Answer: B — Apical meristem
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Q. What type of tissue is responsible for the transport of water in plants? (2019)
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A.
Phloem
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B.
Xylem
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C.
Parenchyma
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D.
Collenchyma
Solution
Xylem is the type of tissue responsible for the transport of water and minerals from the roots to the rest of the plant.
Correct Answer: B — Xylem
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Q. Which of the following is a characteristic of meristematic tissue? (2022)
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A.
It is differentiated
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B.
It has the ability to divide
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C.
It is dead
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D.
It is found in mature tissues
Solution
Meristematic tissue is characterized by its ability to divide and give rise to various types of plant tissues.
Correct Answer: B — It has the ability to divide
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Q. Which of the following is NOT a function of the stem in flowering plants? (2019)
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A.
Support
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B.
Transport of nutrients
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C.
Photosynthesis
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D.
Water absorption
Solution
The stem does not absorb water; this function is primarily performed by the roots.
Correct Answer: D — Water absorption
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Q. Which of the following is NOT a type of simple permanent tissue? (2019)
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A.
Parenchyma
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B.
Collenchyma
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C.
Sclerenchyma
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D.
Xylem
Solution
Xylem is a complex tissue, while parenchyma, collenchyma, and sclerenchyma are types of simple permanent tissues.
Correct Answer: D — Xylem
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Q. Which part of the plant is responsible for photosynthesis? (2021)
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A.
Roots
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B.
Stems
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C.
Leaves
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D.
Flowers
Solution
Leaves are the primary site of photosynthesis in flowering plants due to the presence of chlorophyll.
Correct Answer: C — Leaves
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Q. Which type of plant tissue is involved in the storage of food? (2023)
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A.
Parenchyma
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B.
Collenchyma
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C.
Sclerenchyma
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D.
Xylem
Solution
Parenchyma tissue is primarily involved in the storage of food and can also perform photosynthesis.
Correct Answer: A — Parenchyma
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Q. Which type of root system is characterized by a single main root with smaller lateral roots? (2020)
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A.
Fibrous root system
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B.
Tap root system
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C.
Adventitious root system
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D.
Modified root system
Solution
A tap root system is characterized by a single main root that grows deeper into the soil with smaller lateral roots.
Correct Answer: B — Tap root system
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