✓ Board-verified
Biology · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 1 · Q7
Select the option that gives the correct description of the process of Natural Selection with respect to the length of the neck of giraffe.
Select the option that gives the correct description of the process of Natural Selection with respect to the length of the neck of giraffe.
Official answer
(C)
Directional selection as giraffes with longer neck lengths are selected.
More from Evolution
- Assertion: The number of white winged moths decreased drastically after industrialisation in England. Reason (R): Effects of industrialisation were…2023 · asked 2×
- After the 1850s in the post-industrialization era in England, the expected effect of natural selection on the number of white-winged moths as…2024
- Study the given chart showing evolution of plants. Answer the following questions: Identify the plant which acts as an immediate ancestor of both…2026
- Select the odd option in the context of convergent evolution.2026
- Which one of the following evidences does not support Darwin's theory of natural selection?2026
- Assertion: Under a particular set of selection pressure, organisms evolve towards the most efficient reproductive strategy. Reason (R): Populations…2026
- (i) Rearrange the following in correct order of their appearance on Earth between 2 million years and 40,000 years ago: Homo Neanderthalensis,…2026
- Highly conserved proteins such as Haemoglobin and Cytochrome-C provide the best biochemical evidences to trace evolutionary relationships between…2025
CBSE Class 12 Biology past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.