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Class 10 · Science · Medium
→Only a few organisms suddenly survive in a population and form the next generation. Which process becomes more likely?
Class 10 · Science · Medium
→Why is a small error during copying of genetic material not always harmful?
Class 10 · Science · Medium
→In which situation can a variation pass to the next generation?
Class 10 · Science · Medium
→Why is it said that evolution does not always mean progress?
Class 10 · Science · Medium
→Which statement shows the correct understanding of evolution?
Class 10 · Science · Medium
→If a lizard population is divided into two groups by a river, what may happen over a long time?
Class 10 · Science · Medium
→Why can genetic drift have a stronger effect in a small population?
Class 10 · Science · Medium
→How can geographical isolation help in speciation?
Class 10 · Science · Medium
→Fossils found in deeper layers of rocks are generally considered signs of what?
Class 10 · Science · Medium
→How do fossils provide evidence for evolution?
Class 10 · Science · Medium
→Why are the wings of a bird and an insect called analogous organs?
Class 10 · Science · Medium
→Why are the human arm and bat wing homologous organs?
Class 10 · Science · Medium
→Why are homologous organs considered evidence of an evolutionary relationship?
Class 10 · Science · Medium
→In which situation can a trait be useful in one environment but not useful in another?
Class 10 · Science · Medium
→If an insect has bark-like colour and escapes predators, which process will this help?
Class 10 · Science · Medium
→Why is variation necessary for evolution?
Class 10 · Science · Medium
→Why did Mendel consider the pea plant suitable for experiments?
Class 10 · Science · Medium
→What does the three-to-one ratio in the second generation of a monohybrid cross show?
Class 10 · Science · Medium
→In a plant, the yellow-seed trait is dominant over the green-seed trait. If two first-generation plants are crossed, which trait may reappear in the second generation?
Class 10 · Science · Easy
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