Chromosomal Elements MCQ

Test your knowledge with important Chromosomal Elements MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Chromosomal Elements MCQs at Bissoy

Long interspersed elements are about ____________

ক
100 to 300 bp long

খ
200 to 400 bp long

গ
10 to 100 bp long

ঘ
6000 to 8000 bp long
Short interspersed elements are about ____________

ক
100 to 300 bp long

খ
200 to 400 bp long

গ
10 to 100 bp long

ঘ
6000 to 8000 bp long
About what proportion of mitochondrial proteins are encoded by nuclear DNA?

ক
More than 95%

খ
50%

গ
1%

ঘ
1.5%
Which of the two organelles contain their own DNA and ribosomes?

ক
Mitochondria and chloroplast

খ
Endoplasmic reticulum and mitochondria

গ
Golgi complex and mitochondria

ঘ
Lysosomes and mitochondria
Which of the following is false about introns?

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They are non-protein coding genes

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They are protein coding genes

গ
They are removed by splicing

ঘ
Integral to gene expression regulation
Which out of the following statements is true about the human genome?

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The human genome is believed to contain approximately 50,000 protein coding genes

খ
All non-protein coding sequences in the genome are believed to be non-functional DNA

গ
About 1.6% of the human genome encodes protein sequences

ঘ
Intros are the sections of protein coding genes that actually encode amino acid sequences
The extra chromosomal, self-replicating, double stranded, closed, circular DNA molecules are called ____________

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Viruses

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Phages

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Chloroplasts

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Plasmids
What proportion of the human genome is made up of repetitive DNA sequences?

ক
15%

খ
1%

গ
90%

ঘ
50%
How many autosomes are there in humans?

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21 pairs

খ
44

গ
46

ঘ
48
The lowest level of chromosome organization is _______________

ক
Nucleosome

খ
Solenoid

গ
30nm fiber

ঘ
None of these