Question

Pollination does not guarantee the transfer of the right type of pollen (compatible pollen). If the pollen is of the wrong type (incompatible type), then the pistil rejects the pollen by preventing

• A. Pollen tube growth in the style
• B. Double fertilisation
• C. Both A and B
• D. Pollen germination on the stigma

Answer 1

The correct option is C Both A and B

Pollen rejection

Rejection of pollen prevents fertilisation by stopping:

1) Pollen germination on the surface of the stigma.

2) Growth of the pollen tube inside the style.

Final answer

(D) Both A and B