Biology Form and Functions in Plants Mcqs Test Online 11th Class Punjab

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Question 1 of 12

Biology

1. It is found essentially in organic compounds:

Phosphorus

Nitrogen

Calcium

Carbon

Question 1 of 12

Question 2 of 12

2. Most of the uptake of water and minerals from soil takes place through

Nitrogen

Epidermal cells

Root

Root cap

Question 2 of 12

Question 3 of 12

3. Succulent tissues are formed in

Hydrophytes

Thallophytes

Xerophytes

Mesophyll

Question 3 of 12

Question 4 of 12

4. The sugar moves through phloem is mostly in the form of

Sucrose

Lactose

Maltose

Glucose

Question 4 of 12

Question 5 of 12

5. A researcher, who wants to study the composition of a plant’s sap, inserts capillary tube into the phloem. What causes the sap to flow out of the tube?

Hydrostatic pressure

Capillarity

Transpiration stream

Root pressure

Question 5 of 12

Question 6 of 12

6. Carnivorous plants use insects as a source of

Oxygen

Water

Glucose

Nitrogen

Question 6 of 12

Question 7 of 12

7. Collenchyma is a supporting tissue in

Trees

Seeds

Seedlings

Herbs

Question 7 of 12

Question 8 of 12

8. The phenomenon of growth includes

Cell elongation

Cell differentiation

Cell decomposition

Cell maturation

Question 8 of 12

Question 9 of 12

9. Chlorosis does not occur due to the deficiency of

Sulphur

Magnesium

Phosphorus

Calcium

Question 9 of 12

Question 10 of 12

10. Guard cell are the only cells of epidermis, which have

Cytoplasm

Vacuole

Chloroplasts

Leucoplasts

Question 10 of 12

Question 11 of 12

11. Symplast is the movement of water through

Vacuoles

Cytoplasm of cells

Inter spaces

Cell walls

Question 11 of 12

Question 12 of 12

12. Which of the following is closest to the center of a woody stem?

Old phloem

Old xylem

Young xylem

Vascular cambium

Question 12 of 12

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