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Heredity and Evolution Science - Heredity and Evolution

UP Board (UPMSP) - STD 10 - Science (UPMSP - English Medium). 47 questions in this chapter.

Question types

Heredity and Evolution question types

47 questions across 4 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

47
Questions
4
Question groups
5
Question types
Sample Questions

Heredity and Evolution questions

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

Q 1M.C.Q1 Mark
A cross between a tall plant (TT) and short pea plant (tt) resulted in progeny that were all tall plants because:
  • ✓
    Tallness is the dominant trait.
  • B
    Shortness is the dominant trait.
  • C
    Tallness is the recessive trait.
  • D
    Height of pea plant is not governed by gene ‘T’ or ‘t’.

Answer: A.

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Q 2M.C.Q1 Mark
From the list given below, select the character which can be acquired but not inherited:
  • A
    Colour of eye.
  • B
    Colour of skin.
  • ✓
    Size of body.
  • D
    Nature of hair.

Answer: C.

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Q 3M.C.Q1 Mark
Select the correct statement:
  • A
    Tendril of a pea plant and phylloclade of Opuntia are homologous.
  • B
    Tendril of a pea plant and phylloclade of Opuntia are analogous.
  • C
    Wings of birds and limbs of lizards are analogous.
  • ✓
    Wings of birds and wings of bat are homologous.

Answer: D.

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Q 4M.C.Q1 Mark
Select the statements that describe characteristics of genes :
  1. Genes are specific sequence of bases in a $\text{DNA}$ molecule.
  2. A gene does not code for proteins.
  3. In individuals of a given species, a specific gene is located on a particular chromosome.
  4. Each chromosome has only one gene.
  • A
    $(i)$ and $(ii).$
  • ✓
    $(i)$ and $(iii).$
  • C
    $(i)$ and $(iv).$
  • D
    $(ii)$ and $(iv).$

Answer: B.

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Q 5M.C.Q1 Mark
A zygote which has an $X-$chromosome inherited from the father will develop into a:
  • A
    Boy.
  • ✓
    Girl.
  • C
    $X-$chromosome does not determine the sex of a child.
  • D
    Either boy or girl.

Answer: B.

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Q 14[5 marks Questions]5 Marks
Study the following cross and showing self-pollination in $F_1$, fill in the blank and answer the question that follows:
Parents RRYY × rryy
  Round, yellow   wrinkled, green
$F_1$ RrYy × ?
  Round, yellow    
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