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

Cytoplasm

Vacuole

Leucoplasts

Question 1 of 12

Question 2 of 12

2. Collenchyma is a supporting tissue in

Seedlings

Trees

Seeds

Herbs

Question 2 of 12

Question 3 of 12

3. Succulent tissues are formed in

Hydrophytes

Xerophytes

Mesophyll

Thallophytes

Question 3 of 12

Question 4 of 12

4. Chlorosis does not occur due to the deficiency of

Calcium

Sulphur

Magnesium

Phosphorus

Question 4 of 12

Question 5 of 12

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

Maltose

Sucrose

Glucose

Lactose

Question 5 of 12

Question 6 of 12

6. Symplast is the movement of water through

Vacuoles

Cell walls

Cytoplasm of cells

Inter spaces

Question 6 of 12

Question 7 of 12

7. Carnivorous plants use insects as a source of

Glucose

Water

Nitrogen

Oxygen

Question 7 of 12

Question 8 of 12

8. 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

Root pressure

Capillarity

Transpiration stream

Question 8 of 12

Question 9 of 12

9. The phenomenon of growth includes

Cell decomposition

Cell elongation

Cell differentiation

Cell maturation

Question 9 of 12

Question 10 of 12

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

Vascular cambium

Old xylem

Old phloem

Young xylem

Question 10 of 12

Question 11 of 12

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

Root cap

Root

Epidermal cells

Nitrogen

Question 11 of 12

Question 12 of 12

12. It is found essentially in organic compounds:

Calcium

Phosphorus

Carbon

Nitrogen

Question 12 of 12

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