Q. What is the function of germ pore : Emergence of radicle Absorption of water for seed germination Initiation of pollen tube Release of male gametes Solution : Correct option:…
Q. Both autogamy and geitonogamy are prevented in : Papaya Cucumber Castor Maize Solution : Correct option : APapaya is dioecious, i.e., male and female flowers occur in the separate…
Q. An organic substance which can withstand environmental extremes and which cannot be degraded by any enzyme is : (a)Cuticle (b) Sporopollenin (c) Lignin (d) Cellulose Solution : Correct option…
Q. In a flowering plant the pollen tube first arrives in : (a) Egg (b) An antipodal cell (c) A Synergid (d) Central cell Solution : Correct option: C Synergids…