Biology Mcqs XI [Chromosomes and Dna] Online Test 2

Biology Mcqs XII [Chromosomes and Dna] MCQS Online Test - 2

Biology Aptitude Test. 10 Questions from Chapter # 20 Chromosomes and Dna

Q1. The two chromatids of the same chromosomes re called:

• Co-chromatids
• Daughter chromatids
• Sister chromatids
• Non-sister chromatids
• Non-daughter chromatids

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Q2. The chromatids of two different chromosomes are called:

• Chromonema
• Daughter chromatids
• Sister chromatids
• Non-sister chromatids
• Non-daughter chromatids

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Q3. In moths and birds, sex chromosomal pattern in females is:

• XX
• XY
• ZW
• ZZ
• ZX

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Q4. In moths, birds and some fishes, sex chromosomal pattern in males is:

• WZ
• YW
• XZ
• ZZ
• ZW

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Q5. The particular array of chromosomes that an Indivichial possess is called its:

• Karyotype
• Cytotype
• Pneumotype
• Chromotype
• Centrotype

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Q6. The most abundant chromosomal proteins are called:

• Cytokinins
• Giberellins
• Histones
• Globulin
• Albumin

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Q7. Most eukaryotic chromosomes are about:

• 20% proteins & 80% DNA
• 80% DNA & 20% proteins
• 90% proteins & 10% DNA
• 50% proteins & 50% DNA
• 60% proteins & 40% DNA

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Q8. The chromosome is arranged in _______ pattern:

• Circular
• Longitudinal
• Helical
• Oval
• Vertical

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Q9. Highly condensed portions of the chromatin are called:

• Homochrornatin
• Heterochromatin
• Cytochrornatin
• Monochromatin
• Euchromatin

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Q10. Portion of chromatin, which is not condensed except during cell division is:

• Hypochromatin
• Homochromatin
• Heterochromatin
• Euchromatin
• Epichromatin

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Chromosomes and Dna Test - 3

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