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Identify the FALSE statement.
Question

Identify the FALSE statement.

A.

Transpiration is the mechanism by which a plant eliminates surplus water.

B.

Numerous waste products from plants are stored in centrioles.

C.

Photosynthesis produces oxygen as a lay-product.

D.

Gum is an excretory product of plants.

Correct option is B

Sol: The correct answer is (b) Numerous waste products from plants are stored in centrioles.

Key Points:

  • Centrioles are cell structures involved in cell division in animal cells and certain lower plants. Plants typically store waste products in vacuoles, not centrioles.
  • Centrioles ​are cellular structures found in animal cells and some lower plant cells. They play a critical role in cell division by helping to organize the assembly of microtubules during mitosis and meiosis. However, centrioles are not involved in the storage of waste products.
  • Plant Waste Storage: In plants, waste products are commonly stored in vacuoles. Vacuoles are large, membrane-bound organelles that serve various functions, including storage of waste materials, maintaining turgor pressure, and sequestering harmful substances.
  • Other Excretory Products: Plants also excrete waste through processes like shedding leaves, exuding resins, gums, and latex. These substances can contain metabolic waste products.

All other options:

Transpiration is the mechanism by which a plant eliminates surplus water.

  • True. Transpiration is the process by which water is absorbed by plant roots, moves through plants, and evaporates from aerial parts like leaves.

Photosynthesis produces oxygen as a by-product.

  • True. During photosynthesis, plants convert carbon dioxide and water into glucose and oxygen, with oxygen being a by-product.

Gum is an excretory product of plants.

  • True. Gum is one of the excretory products of plants, along with resins and latex.

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