Advantages of cross-pollination over self-pollination.
(1) It always results in much healthier offspring which are better adapted to changed environment.
(2) Promotes genetic diversity in plants.
(3) Production of hybrid instead of pure lines.
(4) Helps to eliminate the undesirable characters.
Mention one significant difference between each of the following :
Anticlinal and Periclinal cell division
Give the exact location and function of the following :
Embryo sac.
Explain:
(i) Vegetative propagation by cutting
(ii) Autogamy
(iii) Triple fusion
