CBSE 2023 · Region 3 · Set 1 · Q14 · 1 mark
Assertion (A) : The number of white winged moths decreased drastically after industrialisation in England.
Reason (R) : Effects of industrialisation were more marked in rural areas of England.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Assertion (A) is true, but Reason (R) is false.
EvolutionWhat are the Evidences for Evolution?Understandassertion_reasonmedium
More from Evolution
- Study the given chart showing evolution of plants. Answer the following questions: Identify the plant which…2026 · asked 3×
- Highly conserved proteins such as Haemoglobin and Cytochrome-C provide the best biochemical evidences to…2025 · asked 3×
- Darwin's theory of Natural Selection is widely accepted but some limitations have been identified by modern…2023 · asked 3×
- "The process of evolution of different species in a given geographical area starts from a point and literally…2025 · asked 3×
- A few stages and their respective time period in the evolutionary history of human beings are mentioned in…2025 · asked 3×
- Whose skulls 'A', 'B', and 'C' are shown below? Which of the two are more similar to each other? Name the (i)…2024 · asked 3×
- Name the extinct ancestor of humans who ate only fruits and hunted with stone weapons.2026 · asked 3×
- At which stage during evolution did human use hides to protect their bodies and buried their dead?2023 · asked 3×
CBSE Class 12 Biology past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.