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प्रश्न
Where is carbon dating used?
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उत्तर
Carbon dating is used in studying the paleontological evidences of evolution.
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संबंधित प्रश्न
Differentiate between homology and analogy. Give one example of each.
(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 is a correct set of homologous organs?
(a) Forelimbs of frog, bird and lizard
(b) Spine of cactus and thorn of bougainvillea
(c) Wings of bat and wings of butterfly
(d) Wings of a bird and wings of a bat
The organs which perform similar functions but have different basic structure are called :
(a) asymmetric organs
(b) analogous organs
(c) homologous organs
(d) homophonic organs
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
Write a short note based on the information known to you.
Embryology
“Appearance of melanised moths post-industrialisation in England is a classic example of evolution by natural selection.” Explain.
Differentiate between connecting links and the missing links.
Define phylogeny.
What are homologous structures?
Give scientific reason.
Vertebrates have slowly originated from invertebrates.
Biogenetic law states that ______.
Homologous organs and vestigial organs are examples of ______ type of evidence in evolution.
Select the correct statement.
Which of these is not a vestigial organ in human beings?
Flippers of Penguins and Dolphins are examples of:
Did aquatic life forms get fossilised? If, yes where do we come across such fossils?
While creation and presence of variation is directionless, natural selection is directional as it is in the context of adaptation. Comment.
I am the connecting link of annelida and arthropoda. What is my name?
Complete the following conceptual picture:
