DNA Genes and Chromosomes Multiple Choice Questions with Answers – PDF Download

MCQ 1: The alleles that are represented by lower case letters are:

1. hybrid allele
2. monohybrid allele
3. dominant allele
4. recessive allele

MCQ 2: Considering the structure of Deoxyribonucleic Acid (DNA), the meiosis in it leads to the:

1. separation of chromosomes
2. separation of ribosome
3. separation of nucleosomes
4. separation of hydrogen bonds

MCQ 3: The part of Deoxyribonucleic Acid (DNA) that have instructions for synthesis of a specific protein is called:

1. mitotic nucleus
2. gene
3. chromosome
4. ribosome

MCQ 4: The sequence of nucleotides of Deoxyribonucleic Acid (DNA) is decided in the procedure of:

1. protein synthesis
2. chromatin synthesis
3. nucleosomes synthesis
4. phosphorus synthesis

MCQ 5: The nitrogenous base guanine of one nucleotide made the pair in another nucleotide with:

1. adenine
2. thymine
3. hydrogen
4. cytosine