CBSE Class 12 Biology Principles of Inheritance and Variation Quiz 1

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1. Sucess of mendal is

A Selection of Peaplant B Studied of free characters C More Characters selection D Pea is Bisexual

2. Loss of Melanin pigment cause for:

A Colourblindness B Depigmentation C Phenyl Ketoneuria D Alkaptoneuria

3. Gunetical identification of male human is:

A By Nucleus B By cells C By Autosome D By Sex-chromosome

4. Rh

A rr B TT C Rr D Both (a) and (c)

5. Cause of chromosomal mutation:

A Euploidy B Polyploidy C Physical effect D All of these

6. Mendal was born in:

A 17th century B 18th century C 19th century D 8th century

7. Two genes very close on a chromosome will show:

A No crossing over B High crossing over C Hardly an crossing over D Only double crossing overy

8. First geneticist/father of genetics was:

A de Vries B Mendel C Darwin D Morgan

9. An lndividual with into identical alleles is:

A Hybrid B Dominant C Homozygous D Heterozygous

10. Mendal’s law can be applicable only when:

A Characters are linked B Parents are pore breed C F D Onepair of contiasting characters depends on another pair

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