MCQ Class 10 Science Chapter 8 Heredity Advertisement MCQ’s For All Chapters – Science Class 10th 1. Which of the following is responsible for the transmission of hereditary traits from one generation to the next in living organisms?MutationsGenesEnvironmentHormonesQuestion 1 of 92. Mendel's experiments were based on the study of:InsectsHuman geneticsBacteriaPea plantsQuestion 2 of 93. In Mendel's experiments, the first filial generation (F1) resulted from the cross of:Two hybrid parentsTwo unrelated plantsTwo purebred parentsTwo mutantsQuestion 3 of 94. The term "allele" refers to:Chromosomal abnormalitiesDifferent forms of the same geneOffspring of two different speciesGenetic mutationsQuestion 4 of 95. If a trait is controlled by more than one gene, it is known as:Incomplete dominanceMonohybrid inheritanceDihybrid inheritancePolygenic inheritanceQuestion 5 of 96. In humans, which of the following chromosomes determine the gender of the offspring?Autosomal chromosomesX and Y chromosomesX chromosomes onlyY chromosomes onlyQuestion 6 of 97. Which of the following disorders is caused by an extra chromosome (trisomy) in humans?Sickle cell anemiaDown syndromeHemophiliaCystic fibrosisQuestion 7 of 98. The process of the transfer of pollen grains from the anther to the stigma of a flower is known as:BuddingFertilizationPollinationReproductionQuestion 8 of 99. When two genetically dissimilar individuals are crossed, the offspring are referred to as:ClonesPurebredHybridMutantsQuestion 9 of 9 Loading...
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