Excretion in Plants

Q.

Waste product/s produced by plants is/are

1. Carbon dioxide

2. Water

3. Oxygen

4. All of these

Q.

How do plants excrete waste products from their body?

1. Through old bark

2. Through leaves

3. Through cellular vacuoles

4. All of the above

Q.

Which of the following are methods by which plants excrete wastes?

1. Transpiration

2. Lost as leaves

3. Photosynthesis

4. All of the above

Q.

The economically valuable excretory product of coniferous trees is/are ________.

1. Tannins

2. Latex

3. Resins and Gums

4. Cork

Q.

Identify if each of the following statements are true or false. Mark as T, if they are true and F if they false and select the answer option with the correct answer.

I. Food is essential for all living beings.
II. All plants are autotrophs.
III. Iodine solution is used to test the presence of proteins.
IV. Speech is a life process.
V. Carbon dioxide is a by – product of photosynthesis.

1. I-T, II-F, III-F, IV-F, V-F

2. I-F, II-F, III-T, IV-T, V-T

3. I-T, II-T, III-T, IV-F, V-F

4. I-F, II-F, III-T, IV-F, V-T

Q.

Abscission of leaves is an example of ______ in plants.

1. excretion

2. respiration

3. transpiration

4. reproduction

Q.

Name the nitrogenous wastes in human urine?

Q.

Question 72
How do leaves of plants help in excretion?

Q. Rewrite and complete the following sentences by inserting the correct word in the space indicated.
The phenomenon of loss of water through a cut stem of injured part of plant is called ____.

Q.

How do plants excrete waste products from their body?

1. Through old bark

2. Through leaves

3. Through cellular vacuoles

4. All of the above