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Plant Leaf Modifications and Functions

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Questions and Answers

What is the primary function of spines in Pricklypoppy leaves?

To store food material
To carry out photosynthesis
To protect the plant from grazing animals (correct)
To attract pollinators

What is the role of scale leaves in Ginger and Onion?

To attract pollinators
To store water
To carry out photosynthesis
To protect the buds and fleshy leaves (correct)

In cactus plants, what is the primary function of the fleshy green stem?

To protect the plant from grazing animals
To store water
To carry out photosynthesis (correct)
To attract pollinators

Why do cacti modify their leaves into spines?

To conserve water (D) Signup and view all the answers

What is the characteristic of soil in which insectivorous plants grow?

Low in nitrogen (C) Signup and view all the answers

What is the primary function of tendrils in sweet pea plants?

To help the plant climb (A) Signup and view all the answers

What is the primary function of adventitious buds in Bryophyllum leaves?

To give rise to roots and start growing into new plantlets (D) Signup and view all the answers

What is the term for the underground part of a plant?

Root system (A) Signup and view all the answers

What type of venation is typically found in monocot leaves?

Parallel (D) Signup and view all the answers

What is the purpose of reticulate venation in dicot leaves?

To facilitate the exchange of gases (C) Signup and view all the answers

In which type of plants do leaves typically have petioles or stalks?

Dicot plants (D) Signup and view all the answers

What is the purpose of leaf tendrils in plants like pea?

To provide support to the plant as it climbs (A) Signup and view all the answers

What is the term for the aerial part of a plant?

Shoot system (B) Signup and view all the answers

What is the function of spines in Cacti?

To conserve water by reducing transpiration (B) Signup and view all the answers

What happens to the water vapor that escapes through the stomata of leaves?

It condenses and forms water droplets (A) Signup and view all the answers

What is the purpose of enclosing a branch of a potted plant in a polythene bag?

To observe the process of transpiration (C) Signup and view all the answers

What is the purpose of boiling a leaf in ethanol?

To test for the presence of starch (B) Signup and view all the answers

What is the term for the process by which excess water escapes from the plant through stomata?

Transpiration (D) Signup and view all the answers

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