Excretion in Plants

Q.

Why does Tulsi plant gives oxygen 24×7?

Q.

How does the plants of people and Tulsi make oxygen during the night without sunlight?

Q.

What is the name of the bean-shaped guard cells found in plants?

Q. ___ are the pores essential for transpiration and gaseous exchange.

Q. Question 5
What are the functions of the stomata?

Q.

Question 47
Why is epidermis important for the plants?

Q.

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

1. Transpiration

2. Through old leaves that fall off

3. Resins and gums

4. Translocation

Q.

Do plants excrete out waste? How?

Q. How does excretion in plants work?

Q.

Carbon dioxide is essential for the process of:

1. Conduction
   

2. Transpiration

3. Absorption

4. Photosynthesis

Q. Waste products are stored as resins and gums in the

1. Old phloem
2. Young phloem
3. Old xylem
4. Young xylem

Q. Where are the waste products stored in plants?

1. In Plant cells
2. In Cytoplasm
3. In Phloem cell
4. In Cellular Vacuoles

Q. How do plants get rid of their excretory products?

Q. What are the functions of the stomata?

Q. Name the excretory products other than $O_2$ and $C{O}_2$ in plants.

Q.

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

1. Tannins

2. Resins and Gums

3. Latex

4. Cork

Q. How plants get rid of their waste?

Q. How do primary metabolites differ from secondary metabolites?

Q.

Abscission of leaves is an example of ______ in plants.

1. reproduction

2. respiration

3. transpiration

4. excretion

Q. Excretion of wastes produced during photosynthesis in plants takes place through

1. Stomata.
2. Roots.
3. Both A and B.
4. Stem.

Q. ............... and water are produced as wastes during respiration by plants.

1. CO${}_2$
2. O${}_2$
3. NO${}_2$
4. N${}_2$

Q. Waste products produced during respiration in plant is/are

1. CO${}_2$
2. Both A and B
3. Oxygen
4. Water

Q. Plants get rid of waste by which of the following method?

1. Shedding of leaves
2. Transpiration
3. Peeling of bark
4. All of the above

Q. Economically valuable excretory products of coniferious trees are

1. Tannins
2. Gums
3. Resins
4. Raphides

Q.

Name the different waste products by plants.

Q. Aquatic plants excrete metabolic wastes through

1. Shedding of leaves
2. Transpiration
3. Diffusion
4. All of the above

Q. By taking two plants of your surroundings as examples, explain how they protect themselves against the animals which eat them?

Q. The substances produced in plants are of two types, primary metabolites and secondary metabolites. Give an example for each type.

Q. The stored waste product in plants can be in the form of

1. Latex
2. Resins
3. Gums
4. All of the above

Q. Papain (a proteolytic enzyme) is found in the latex of

1. Carica
2. Nerium
3. Ficus
4. Euphorbia