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प्रश्न
In which book Darwin had published his theory of Natural selection?
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उत्तर
Origin of Species
APPEARS IN
संबंधित प्रश्न
Name and define the three types of natural selection.
The largest unit in which gene flow is possible is :
(1) Organism
(2) Population
(3) Species
(4) Genes
Answer each question in ‘One’ sentence only:
Identify which one of the following is a test cross.
Briefly discuss the Theory of Natural Selection as given by Darwin.
Given below are two figures (A and B) showing a phenomenon that was first observed in Manchester before and after the year 1850.
Answer the following:
- What name has been given to this phenomenon?
- Give the common name and the scientific name of the insect involved in this phenomenon.
- Briefly mention why the changes shown in the two figures appeared.
- The following phenomenon provides a classical explanation of a scientific theory given by a certain scientist.
- Name and explain the said theory.
- Give the name of the scientist who gave this theory.
Answer the following question.
How did Charles Darwin express 'fitness'?
What are objections raised against Darwin's theory?
Which concept was not included in Charles Darwin’s theory of Natural Selection?
What is the ancient name for all human beings?
Which of the following sequences fits into the organic evolution theory proposed by Charles Darwin and Alfred Wallace?
Which one of the following statement is correct?
Match List - I with List - II.
| List - I | List II | ||
| (a) | Adaptive radiation | (i) | Selection of resistant varieties due to excessive use of herbicides and pesticides |
| (b) | Convergent evolution | (ii) | Bones of forelimbs in Man and Whale |
| (c) | Divergent evolution | (iii) | Wings of Butterfly and Bird |
| (d) | Evolution by anthropo- genic action | (iv) | Darwin Finches |
Choose the correct answer from the options given below.
Distinguish between directional, stabilizing and disruptive selection.
The selective agent that was responsible for causing the change in peppered moth was ______.
The scientist who is regarded as the “Father of Evolution” is ______.
Industrial melanism was highlighted by ______.
Who accompanied Darwin on his voyage aboard the HMS Beagle?
What was the lifespan of Alfred Russel Wallace, the young English naturalist who independently concluded that species evolve through variation and natural selection?
