Biology Mcqs XI [Variations and Genetics] Online Test 1

Biology Mcqs XII [Variations and Genetics] MCQS Online Test - 1

Biology Aptitude Test. 10 Questions from Chapter # 22 Variations and Genetics

Q1. Mendel’s hereditary factor “genes” are located on:

• Mitochondria
• Nuclear membrane
• Chromosomes
• Lysosomes
• Cytoplasmic membrane

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Q2. Basic units of inheritance are:

• Chromosomes
• Nucleus
• Nucleolus
• Nuclear membrane
• Genes

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Q3. The total aggregate of genes in a population at any one time is called the populations

• Gene pool
• Gene target
• Gene cycle
• Gene square
• Gene aggregation

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Q4. Genes that occupies a specific position called:

• Alleles
• Locus
• Gene pool
• Linkage
• Synapsis

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Q5. “Law of Dominance” was derived by:

• T. H. Morgan
• Gregor Johann Mendell
• Rudolf Virchow
• Bateson
• Lamarck

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Q6. The phenotypic ratio of plants with dominant character to those with recessive character is always close to:

• 1:2
• 2:1
• 1:1
• 3:1
• 1:3

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Q7. Separation of genes is called.

• Assortment
• Dominance
• Segregation
• Inheritance
• Gene pool

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Q8. “Law of purity of gametes” is:

• Law of Dominance
• Law of Recessiveness
• Law of Independent Assortment
• Law of Segregation
• Pleiotropy

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Q9. “Each gamete contains only one allele of a particular character and is said to be pure”, this

• Plelotropy
• Epistasis
• Law of Independent Assortment
• Law of Dominance
• Law of Segregation

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Q10. “The members of one pair of genes segregate independently of the other pairs”, this is:

• Law of independent Assortment
• Pleiotropy
• Law of Segregation
• Law of Dominance
• Epistasis

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Variations and Genetics Test - 2

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