Class 10 Biology Chapter 9 Heredity and Evolution - MCQs

Class 10 Chapter 9 Heredity and Evolution – MCQs

1. The process where characteristics are transmitted from parent to offsprings is called:
   1. Variation
   2. Heredity
   3. Gene
   4. Allele
   5. None of the above
2. The phenomenon where individuals of a species exhibit differences in characteristics are called:
   1. Adaptation
   2. Evolution
   3. Variation
   4. All of the above
   5. None of the above
3. Which of the following statements is Incorrect?
   1. Gene is a sequence of nucleotides
   2. During the process of gene expression, DNA is first copied into RNA
   3. Genes can acquire mutations in their sequence
   4. Genes cannot acquire mutations in their sequence
   5. None of the above
4. _______ is the observable set of characteristics of an organism
   1. Phenotype
   2. Genes
   3. DNA
   4. All of the above
   5. None of the above
5. When a new plant is formed as a result of cross-pollination from different varieties of a plant, the newly formed plant is called:
   1. Dominant plant
   2. Mutant plant
   3. Hybrid plant
   4. All of the above
   5. None of the above
6. Who proposed the theory of evolution?
   1. Charles Darwin
   2. Stanely Miller
   3. Harold Urey
   4. Aristotle
   5. None of the above
7. Homologous organs are organs that have:
   1. Different function with a different structure
   2. Same function with the same structure
   3. Same function but with a different structure
   4. Different function but the same structure
   5. None of the above
8. Which part of the DNA provides information for a protein?
   1. Chromosome
   2. Mitochondria
   3. RNA
   4. Gene
   5. None of the above
9. Which of the following is not controlled by genes?
   1. Eye colour
   2. Height
   3. Hair colour
   4. All of the above
   5. None of the above
10. Which of the following can be inherited from parents to offspring
    1. Swimming technique
    2. Big nose
    3. Sculpted body
    4. All of the above
    5. None of the above

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