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प्रश्न
_______ is a connecting link between Annelida and Arthropoda.
पर्याय
Duck-billed platypus
Peripatus
Lungfish
Whale
उत्तर
Peripatus is a connecting link between Annelida and Arthropoda.
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संबंधित प्रश्न
What are vestigial organs?
Differentiate between homology and analogy. Give one example of each.
Write the similarity between the wing of a butterfly and the wing of a bat. What do you infer from the above with reference to evolution?
If you are asked to select a group of two vegetables, out of the following, having homologous structures which one would you select?
(a) Carrot and radish
(b) Potato and sweet potato
(c) Potato and tomato
(d) Lady finger and potato
Which one of the following pairs of vegetables is an example of homologous structures?
(A) Potato and sweet potato
(B) Carrot and radish
(C) Carrot and tomato
(D) Tomato and radish
Enlist any four sequential evolutionary names of human ancestors.
Differentiate between analogous and homologous structures.
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?
Out of bacteria, spider, fish and chimpanzee, which organism has a better body design in evolutionary terms? Give reason for your answer.
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
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
In a class, students were asked to observe the models/slides/pictures of the skeletons of forelimbs and wings of different organisms. After the observations the students made the following groups of homologous structures. Select the correct group :
(A) Wings of a bird and a butterfly
(B) Wings of a pigeon and a bat
(C) Wings of a butterfly and a bat
(D) Forelimbs of a cow, a duck and a lizard
Write short notes based upon the information known to you.
Embryology
Explain with suitable examples importance of anatomical evidence in evolution.
Complete the following chart:
With the help of diagrams, describe emasculation and bagging.
The most common types of fossils are ------------------------.
Choose the correct option of the following question:
Wings of Insect and Birds are examples of :
Short answer question.
Give the significance of fossils.
I am a connecting link between reptiles and mammals. Who am I?
Name the parts shown in the diagram.
Human jaw
Appendix : vestigial organ : : Peripatus : ____________
Give scientific reason.
Vertebrates have slowly originated from invertebrates.
Give scientific reason.
Duck-billed platypus shows relationship with mammals.
Complete the flowchart.
A human hand, a front leg of a cat, a front flipper of a whale and a bat’s wing look dissimilar and adapted for different functions. What is the name given to these organs?
Select the CORRECT match.
Select the CORRECT set of homologous organs.
Which of these is not a vestigial organ in human beings?
The fossil remains of Archaeopteryx is a connecting link between ______
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 ______.
Which is not a vestigial organ in a man?
Animal husbandry and plant breeding programmes are the examples of ______.
What are we referring to? When we say 'simple organisms' or 'complex organisms'.
Write down the difference between homologous and analogous organs.
Evolutionary convergence is the development of a ______.
Write avian characters of Archaeopteryx.
