which of the following sentence is not true about dna?
a)  it is smallest unit of body part.
b)  it is hereditary material of human
c)  it is mainly located in nucleus
d)  it carries some information in form of codes
Answers
Answer:
a is the correct answer because in dna nucleotide is present which is the smallest unit of dna
The following sentence is not true about DNA - a) it is smallest unit of body part.
Cell is the smallest unit of the body and not DNA. DNA is a part of the cell.
b) It is hereditary material of human
DNA stores hereditary information as the sequence of bases of DNA forms genes. In humans, DNA is a hereditary material while in viruses, RNA is the hereditary material.
c) It is mainly located in nucleus
DNA is present in majorly the nucleus of the cell. A small amount of DNA named mtDNA is present in mitochondria. As mtDNA is in minor proportion and only stores information for the synthesis of some enzymes and proteins.
d) It carries some information in form of c odes
The sequence of amino acids present in DNA forms the c ode. Information is carried in this form of genetic c ode only by DNA.