English
Maharashtra State BoardSSC (English Medium) 10th Standard

Appendix : vestigial organ : : Peripatus : ____________ - Science and Technology 2

Advertisements
Advertisements

Question

Appendix : vestigial organ : : Peripatus : ____________

Fill in the Blanks
Advertisements

Solution

Appendix : vestigial organ : : Peripatus : Connecting Link

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Heredity and Evolution - Relate the following

APPEARS IN

SCERT Maharashtra Science and Technology 2 [English] 10 Standard SSC
Chapter 1 Heredity and Evolution
Relate the following | Q 1

RELATED QUESTIONS

What are vestigial organs?


Explain with an example for the given, how the following provides evidence in favor of evolution in organisms :

Homologous organs


Study the following statements:-

I. Wings of birds and wings of bats are homologous organs.

II. Wings of birds and wings of insects are modified forelimbs.

III. Wings of birds and wings of insects are analogous organs.

IV. Wings of birds and forelimbs of horse are homologous organs.

The correct statements are

(A) I and II

(B) II and III

(C) III and IV

(D) I and IV


With the help of any two suitable examples explain the effect of anthropogenic actions on organic 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


Differentiate between analogy and homology giving one example each of plant and animal respectively.


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.


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


Explain with an example for the given, how the following provides evidence in favor of evolution in organisms :

Fossils


Explain the evolution of giraffe's neck according to Lamarck's theory of evolution.


What are homologous organs?


Differentiate between analogous and homologous structures.


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.


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


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?


Vestigial organ ______ present in human body is proof of evolution.


Write short notes based upon the information known to you.

Connecting link


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


Complete the following chart:


Define fossil.


Define phylogeny.


Give scientific reason.

Duck-billed platypus shows relationship with mammals.


Write a short note:

Embryological evidences


What is carbon dating?


Which evidence of evolution is shown in the given picture? Explain the importance of this evidence.


Write the answers to the questions by observing the figure below.

(a) (b) (c)
  1. Write the name of the animal ‘(a)’ in the figure.
  2. Write the name of the animal ‘(b)’ in the figure.
  3. Write the name of the animal ‘(c)’ in the figure.
  4. Which evolutionary evidence is illustrated by this figure?
  5. Write the definition of that evidence for evolution.

Which of these is not a vestigial organ in human beings?


The fossil remains of Archaeopteryx is a connecting link between ______ 


Evolution has exhibited a greater stability of molecular structure when compared with morphological structures. Comment on the statement and justify your opinion.


Homologous organs are:


Study of fossils is ______.


Evolutionary convergence is the development of:


Complete the following diagram:


Complete the following chart:


Find odd one out:


Explain natural selection with the example of industrial melanism.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×