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Question
Complete the following chart:
Solution
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RELATED QUESTIONS
(a) Select the homologous structures from the combinations given below:
(i) Forelimbs of whales and bats
(ii) Tuber of potato and sweet potato
(iii) Eyes of octopus and mammals
(iv) Thorns of Bougainvillea and tendrils of Cucurbita
(b) State the kind of evolution they represent.
Which of the following pairs of two vegetables represent the correct homologous structures?
(A) Sweet potato and potato
(B) Sweet potato and tomato
(C) Carrot and potato
(D) Radish and carrot
“Two areas of study namely 'evolution' and 'classification' are interlinked'. Justify this statement.
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.
How do homologous organs help in providing evidence for organic evolution?
Human tailbone is a vestigial organ. Explain.
Out of bacteria, spider, fish and chimpanzee, which organism has a better body design in evolutionary terms? Give reason for your answer.
The presence of which of the following types of organs in two animals indicates that they are not derived from a common ancestor?
(a) homologous organs
(b) excretory organs
(c) analogous organs
(d) reproductive organs
One pair of organs in the following animals are not homologous. This is :
(a) forelimbs in humans and lizard
(b) forelimbs in lizard and frog
(c) wings in butterfly and bat
(d) wings in bat and bird
Identify the following pairs as homologous and analogous organs:
(i) Sweet potato and potato
(ii) Eye of octopus and eye of mammals
(iii) Thorns of Bougainvillaea and tendrils of Cucurbits
(iv) Fore limbs of bat and whale
Vestigial organ ______ present in human body is proof of evolution.
Complete the following chart:
“Appearance of melanised moths post-industrialisation in England is a classic example of evolution by natural selection.” Explain.
The most common types of fossils are ------------------------.
Define phylogeny.
Short answer question.
Give the significance of fossils.
Long answer question.
Would you consider wings of butterfly and bat as homologous or analogous and why?
Give scientific reason.
Vertebrates have slowly originated from invertebrates.
Complete the flowchart.
Define the evidence of evolution shown in the figure.
Write the answers to the questions by observing the figure below.
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 |
 |
| (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.
Biogenetic law states that ______.
Select the CORRECT match.
Select the CORRECT set of homologous organs.
Homologous organs are:
Basic principles of embryonic development were pronounced by:
Study of fossils is ______.
Flippers of Penguins and Dolphins are examples of:
Appearance of antibiotic-resistant bacteria is an example of ______.
How do we compute the age of a living tree?
Complete the following diagram:
Write a note on the significance of Palaeontology.
Complete the following conceptual picture:
Give a definition of Palaeontology.
Write names of some vestigial organs in the human body.
