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Principles of Inheritance and Variation BIOLOGY - Principles of Inheritance and Variation

Gujarat Board (GSEB) - STD 12 Science - BIOLOGY (GSEB - English Medium). 92 questions in this chapter.

Question types

Principles of Inheritance and Variation question types

92 questions across 6 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.

92
Questions
6
Question groups
5
Question types
Sample Questions

Principles of Inheritance and Variation questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 63 Marks Question3 Marks
Two parents Mr. X and Mrs. X and Mr. Y and Mrs. Y consider the same child as their respective children. Both Mr. and Mrs. A have blood group A, Mr. But the blood group of children is O. Tell whose child it could be and why?
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Q 17M.C.Q (1 Marks)1 Mark
The main reason of Mendel success was:
  • A
    Selection of pea plant
  • B
    Selection of only one trait at a time
  • C
    Kept Genealogy records
  • ✓
    All of the above

Answer: D.

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Q 18M.C.Q (1 Marks)1 Mark
The law of independent assortment is proved by:
  • A
    All progeny of F₁-generation are long plants in 3:1.
  • B
    Appearance of tall and dwarf
  • ✓
    Appearance of smooth and wrinkled seeds in F, 2 generation
  • D
    Appearance of tall and dwarf plants in F generation

Answer: C.

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Q 19M.C.Q (1 Marks)1 Mark
In polygenic inheritance, the example of effect of environment is:
  • ✓
    Human skin colour
  • B
    Down's syndrome
  • C
    Phenylketonuria
  • D
    Klienfelter syndrome

Answer: A.

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Q 225 Marks Questions5 Marks
It has often been seen that phenotype of F1 offspring resembles to both the parents. Justify your by taking the example of inheritance of ABO blood group in human being.
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