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प्रश्न
Find an odd one out.
पर्याय
Position of eyes
structure of bones of hand
structure of nostrils
structure of ear pinna
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उत्तर
structure of bones of hand
APPEARS IN
संबंधित प्रश्न
Mammals : _________ : : Amphibia : Fishes
Given below is the list of vegetables available in the market. Select from these the two vegetables having homologous structures:
Potato, sweet potato, ginger, radish, tomato, carrot, okra (Lady’s finger)
(A) Potato and sweet potato
(B) Radish and carrot
(C) Okra and sweet potato
(D) Potato and tomato
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.
Explain the terms analogous and homologous organs with examples.
Attempt giving a clear definition of the term species.
Give the importance of fossil in support of organic evolution
Name the scientists who Discovered the fossil of Australopithecus
Human tailbone is a vestigial organ. Explain.
Differentiate between analogous and homologous structures.
Select and write analogous structures from the list given below :
1) Wings of butterfly and birds
2) Vertebrate hearts
3) Tendrils of Bougainvillea and Cucurbita
4) Tubers of sweet potato and potato
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
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
What do we call the degenerated or partially developed useless organs in living organisms? Enlist such organs in human body? How the same organs are useful in other animals?
Write the names of those animals in whom some vestigial organs in human body are functioning.
Answer the following question.
Wisdom teeth : Vestigial organs :: Lungfish : ....................
Complete the following chart:
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?
Find an odd one out.
I am a connecting link between reptiles and mammals. Who am I?
The decaying process of C-14 occurs continuously in dead organisms only.
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?
Palaeontological evidence for evolution refers to the ______.
Which is not a vestigial organ in a man?
Organs having similar functions but different origin and development are known as:
Which of the following is used as an atmospheric pollution indicator?
Appearance of antibiotic-resistant bacteria is an example of ______.
Fossils are generally found in ______.
Complete the following diagram:
Evolutionary convergence is the development of a ______.
Define Palaeontology.
Pick the odd man out:
