Q. Which one of the following statements is wrong? (a) When pollen is shed at two-celled stage, double fertilization does not take place. (b) Vegetative cell is larger than generative…
Q. What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells? (a) 21 (b) 42 (c) 63 (d)…
Q. Fusion of dissimilar gametes is : Allogamy Dichogamy Autogamy Fertilization Solution : Correct option : DCross-pollination in a crop plant is known as allogamy. Allogamy is defined as fertilization of…
Q. Development of sporophyte/embryo from gametophytic tissue without fusion of gametes is : Apospory Apogamy Apomixis Parthenogenesis Solution : Correct option : B The development of sporophyte/embryo from gametophytic tissue…