हिंदी

Name the parts shown in the diagram.Human jaw - Science and Technology 2

Advertisements
Advertisements

प्रश्न

Name the parts shown in the diagram.
Human jaw

एक पंक्ति में उत्तर
Advertisements

उत्तर

Wisdom teeth

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Heredity and Evolution - Name the following

संबंधित प्रश्न

(a) Select the analogous structures from the combination given below:

(i) Forelimbs of whales and bats

(ii) Eyes of octopus and mammals

(iii) Tuber of sweet potato and potato

(iv) Tuber 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


Four students A, B, C and D reported the following set of organs to be homologous. Who is correct ?

(A) Wings of a bat and a butterfly

(B) Wings of a pigeon and a bat

(C) Wings of a pigeon and a butterfly

(D) Forelimbs of cow, a duck and a lizard


Can the wing of a butterfly and the wing of a bat be considered homologous organs? Why or why not?


Name the scientists who Discovered the fossil of Australopithecus


How do homologous organs help in providing evidence for organic evolution?


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 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?

 

Name two animals having homologous organs and two having analogous organs. Name these organs.

 

Out of bacteria, spider, fish and chimpanzee, which organism has a better body design in evolutionary terms? Give reason for your answer.


Write the names of those animals in whom some vestigial organs in human body are functioning.


Explain with suitable examples importance of anatomical evidence in evolution. 


Observe the picture and answer the following questions.
A) Which evidence of evolution is shown in the picture?
B) What can be proven with this proof?
C) Give one more example of evidence of evolution


Answer the following question.
Wisdom teeth : Vestigial organs :: Lungfish : ....................


Complete the following chart:


Define fossil.


What are homologous structures?


Explain the importance of Anatomical evidences with examples.


The decaying process of C-14 occurs continuously in dead organisms only.


Give scientific reason.

Duck-billed platypus shows relationship with mammals.


Enlist the evidences of evolution.


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?


Homologous organs and vestigial organs are examples of ______ type of evidence in evolution.


Study of fossils is ______.


The presence of gill slits, in the embryos of all vertebrates, supports the theory of ______.


What were the characteristics of life forms that had been fossilised?


What are we referring to? When we say 'simple organisms' or 'complex organisms'.


Give an example for convergent evolution and identify the features towards which they are converging.


Complete the following diagram:


I am the connecting link of annelida and arthropoda. What is my name?


Give a scientific reason.

Morphological evidences suggest that dog, sheep and wolf have a common origin.


Write down the difference between homologous and analogous organs.


Write a note on the significance of Palaeontology.


Define the term:

Homologous organs


Industrial melanism in England after 1850 is an excellent example of Natural selection. Explain how?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×