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

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Question 1 of 12

Biology

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

Chloroplasts

Vacuole

Cytoplasm

Leucoplasts

Question 1 of 12

Question 2 of 12

2. Symplast is the movement of water through

Cytoplasm of cells

Vacuoles

Inter spaces

Cell walls

Question 2 of 12

Question 3 of 12

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

Old phloem

Young xylem

Old xylem

Vascular cambium

Question 3 of 12

Question 4 of 12

4. Carnivorous plants use insects as a source of

Oxygen

Nitrogen

Water

Glucose

Question 4 of 12

Question 5 of 12

5. Succulent tissues are formed in

Hydrophytes

Mesophyll

Xerophytes

Thallophytes

Question 5 of 12

Question 6 of 12

6. Chlorosis does not occur due to the deficiency of

Calcium

Magnesium

Sulphur

Phosphorus

Question 6 of 12

Question 7 of 12

7. 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?

Root pressure

Transpiration stream

Capillarity

Hydrostatic pressure

Question 7 of 12

Question 8 of 12

8. It is found essentially in organic compounds:

Carbon

Nitrogen

Phosphorus

Calcium

Question 8 of 12

Question 9 of 12

9. Collenchyma is a supporting tissue in

Seedlings

Herbs

Trees

Seeds

Question 9 of 12

Question 10 of 12

10. The phenomenon of growth includes

Cell elongation

Cell differentiation

Cell maturation

Cell decomposition

Question 10 of 12

Question 11 of 12

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

Root

Epidermal cells

Nitrogen

Root cap

Question 11 of 12

Question 12 of 12

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

Lactose

Sucrose

Maltose

Glucose

Question 12 of 12

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