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प्रश्न
Match the following.
| Column A | Column B |
| 1) Morphological evidences | a) Tail-bone or wisdom teeth |
| 2) Paleontological evidences | b) Leaf venation |
| c) Fossils |
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उत्तर
| Column A | Column B |
| 1) Morphological evidences | b) Leaf venation |
| 2) Paleontological evidences | c) Fossils |
संबंधित प्रश्न
What are vestigial organs?
“Two areas of study namely 'evolution' and 'classification' are interlinked'. Justify this statement.
Differentiate between analogy and homology giving one example each of plant and animal respectively.
How analogy and homology considered as an evidence in support of evolution ?
State a reason for the increased population of dark coloured moths coinciding with the loss of lichens (on tree barks) during industrialization period in England.
Name any two temporary embryonic structures in vertebrates which provide evidence for evolution.
The forelimbs of a frog, a bird and a man show the same basic design (or basic structure) of bones. What name is given to such organs?
The organs which perform different functions but have the same basic structure are known as :
(a) homologous organs
(b) analogous organs
(c) homolytic organs
(d) analytic organs
Some dinosaurs had feathers although they could not fly birds have feathers that help them to fly. In the context of evolution, this means that ______
The wings of a housefly and the wings of a sparrow are an example of :
(a) analogous organs
(b) vestigial organs
(c) respiratory organs
(d) homologous organs
Select a set of homologous organs from the following:
(A) Wings of a bat and wings of a butterfly
(B) Wings of a pigeon and wings of a bat
(C) Wings of a butterfly and wings of a pigeon
(D) Forelimbs of a duck, forelimbs of a cow and forelimbs of a lizard
Write the names of those animals in whom some vestigial organs in human body are functioning.
Complete the following chart:
Differentiate between connecting links and the missing links.
Very short answer question:
What is vestigeal organ?
Find an odd one out.
Define the evidence of evolution shown in the figure.
Observe the following images and answer the questions.
- Which evolutionary evidences are indicated in the given picture?
- How are they formed?
- Which method is used to measure their age or their time?
Write the answers to the questions by observing the figure below.
 |
 |
 |
| (a) | (b) | (c) |
- Write the name of the animal ‘(a)’ in the figure.
- Write the name of the animal ‘(b)’ in the figure.
- Write the name of the animal ‘(c)’ in the figure.
- Which evolutionary evidence is illustrated by this figure?
- Write the definition of that evidence for evolution.
Select the CORRECT match.
Which of these is not a vestigial organ in human beings?
Why do all the gametes formed in human females have an X chromosome?
Cucurbits do not develop thick and woody stem as they are:
Palaeontological evidence for evolution refers to the ______.
Study of fossils is ______.
The process of mating of individuals, which are more closing related than the average of the population to which they belong is called ______.
The presence of gill slits, in the embryos of all vertebrates, supports the theory of ______.
Flippers of Penguins and Dolphins are examples of:
Organs having similar functions but different origin and development are known as:
Animal husbandry and plant breeding programmes are the examples of ______.
How do we compute the age of a living tree?
The evolutionary story of moths in England during industrialisation reveals, that 'evolution is apparently reversible'. Clarify this statement.
You have studied the story of Peppermoths in England. Had the industries been removed, what impact could it have had on the moth population? Discuss.
Complete the following chart:
Evolutionary convergence is the development of a ______.
Industrial melanism in England after 1850 is an excellent example of Natural selection. Explain how?
Define Palaeontology.
