Contents

The sperm form from……………
a) generative cell                               
b) tube cell
c) microspore                       
d) all of these

a

Pollination:



The transfer of pollen grain from anther to the stigma is called
a) fertilization                      
b) pollination
c) parthenogenesis                              
d) none of these

b

Pollination that involve …..flower is called self pollination.
a) one                                    
b) two
c) many                                
d) all of these


a

Progeny resulting from cross pollination
a) greater genetic variation and evolutionary important
b) homozygous and uniform phenotype
c) show recessive character              
d) sterile


a

Apple growers usually keep bees in the orchard even though apples are usually wind pollinated because
a) wind pollinated result in apples of inferior quality
b) insect pollination result in apples of superior quality
c) wind pollination may fail at the right time and bees would bring about pollination in such a situation
d) bees can inject honey into the apples and make them sweeter

c