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What is the haploid number of chromosomes present in human?
a) 46   
b) 21               
c) 7                 
d) 23

d

Explanation: the haploid number of human is 1n so 23x 1=23



What is the monoploid number of chromosomes in human?
a) 46   
b) 21               
c) 7                 
d) 23

d

Explanation: the monoploid in human is 1n



How much number of somatic chromosomes is present in wheat?
a) 46   
b) 21               
c) 7                 
d) 23

a

What is the haploid number of chromosomes present in wheat?
a) 46   
b) 21               
c) 7                 
d) 23

b

Explanation: the haploid number of wheat is 3n so 7x 3=21



A typical chromosome consists of……… strand/s called chromatid/s.
a) one 
b) two 
c) three           
d) four

b



Each chromatid of chromosome is made up of ……….
a) DNA                                  
b) RNA
c) proteins                  
d) both a and c


d

Explanation: proteins are the histone



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