Home
Class 10
BIOLOGY
What do the examples of Dinosaurs having...

What do the examples of Dinosaurs having feathers and the birds having feathers suggest in the study of evolution ? a.The reptiles have been evolved from Aves. b.The Aves have been evolved from reptiles. c.Both are the animals of the same class. d.There is no evolutionary relationship between these two groups of animals.

A

The reptiles have been evolved from Aves.

B

The Aves have been evolved from reptiles.

C

Both are the animals of the same class.

D

There is no evolutionary relationship between these two groups of animals.

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
Promotional Banner

Topper's Solved these Questions

  • HEREDITY AND EVOLUTION

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS (Answer the following questions in short : )|1 Videos

  • HEREDITY AND EVOLUTION

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS (Fill in the blanks: )|1 Videos

  • HEREDITY AND EVOLUTION

    KUMAR PRAKASHAN|Exercise ADDITIONAL QUESTIONS AND ANSWERS|18 Videos

  • CONTROL AND COORDINATION

    KUMAR PRAKASHAN|Exercise PRACTICAL SKILL BASED QUESTIONS WITH ANSWERS|8 Videos

  • HOW DO ORGANISMS REPRODUCE?

    KUMAR PRAKASHAN|Exercise PRACTICAL SKILL BASED QUESTIONS WITH ANSWERS|5 Videos

Similar Questions

Explore conceptually related problems

Two particles A to B perform SHM along the same stright line with the same amplitude 'a' same frequency 'f' and same equilbrium position 'O' . The greatest distance between them is found to be 3a//2 . At some instant of time they have the same displacement from mean position. what is the displacement?

Suppose the spheres A and B in Exercise 1.12 have identical sizes. A third sphere of the same size but unchanged is brought in contact with the first , then brought in contact with the second, and finally removed from both. What is the new force of repulsion between A and B ?

The Class X students of a secondary school in Krishinagar have been allotted a rectangular plot of land for their gardening activity. Sapling of Gulmohar are planted on the boundary at a distance of 1 m from each other. There is a triangular grassy lawn in the plot as shown in the given figure. The students are to sow seeds of flowering plans on the remaining area of the plot. (1) Taking A as origin, find the coordinates of the vertices of the triangle. (2) What will be the coordinates of the vertices of Delta PQR if C is the origin ? Also calculate the areas of the triangles in these cases. What do you observe ?

Which of the following statements, support the view that elaborate sexual reproductive process appeared much later in the organic evolution ? (i) Lower groups of organisms have simpler body design. (ii) Asexual reproduction is common in lower groups. (iii) Asexual reproduction is common in higher groups of organisms. (iv) The high incidence of sexual reproduction in angiosperms and vertebrates. Choose the correct answer from the options given below : (A) i, ii and iii (B) i, iii and iv (C) i, ii and iv (D) ii, iii and iv

To conduct Sports Day activities, in your rectangular shaped school ground ABCD, lines have been drawn with chalk powder at a distance of 1m each. 100 flower pots have been placed at a distance of 1 m from each other along AD, as shown in the given figure. Niharika runs (1)/(4) th the distance AD on the 2nd line and posts a green flag. Preet runs (1)/(5) th the distance AD on the eighth line and posts a red flag. What is the distance between both the flags ? If Rashmi has to post a blue flag exactly halfway between the line segment joining the two flags, where should she post her flag ?

Explain why (or how): (a) in a sound wave a displacement node is a pressure antinode and vice versa. (b) bats can ascertain distances, directions, nature, and sizes of the obstacles without any ''eyes''. (c ) a violin note and sitar note may have the same frequency. yet we can distinguish between the two notes. (d) solids can support both longitudinal and transverse waves, but only longitudinal waves can propagate in gases, and (e ) the shape of a pulse gets distorted during propagation in a dispersive medium.

Suppose we have four boxes A, B, C and D containing coloured marbles as given below : One of the boxes has been selected at random and a single marble is drawn from it. If the marble is red, what is the probability that it was drawn from box A?, box B ?, box C ?

It is said that elemental composition of living organisms and that of inanimate objects (like earth's crust) are similar in the sense that all the major elements are present in both. Then what would be the difference between these two groups ? Choose a correct answer from among the following. (A) Living organisms have more gold in them than inanimate objects. (B) Living organisms have more water in their body than inanimate objects. (C) Living organisms have more carbon, oxygen and hydrogen per unit mass than inanimate objects. (D) Living organisms have more calcium in them than inanimate objects.

KUMAR PRAKASHAN-HEREDITY AND EVOLUTION-OBJECTIVE QUESTIONS AND ANSWERS
  1. Study following statements (P to R) and choose the correct alternative...

    Text Solution

    |

  2. Which is a false statement for variation ? a.All the variations in a...

    Text Solution

    |

  3. What do the examples of Dinosaurs having feathers and the birds having...

    Text Solution

    |

  4. Which scientist was the first to conduct systematic experiments for th...

    Text Solution

    |

  5. Which factor conducts the expressive genetic information from one gene...

    Text Solution

    |

  6. Which one of the following is not homologous?

    Text Solution

    |

  7. The Dinosaurs having feathers, belong to class ……………………………..

    Text Solution

    |

  8. Name the diagrams a, b and c and from which part of the wild cabbage a...

    Text Solution

    |

  9. From where the genetic footprints of Homo sapiens can be traced ?

    Text Solution

    |

  10. Which is the important factor for the formation of new species?

    Text Solution

    |

  11. In the result of Mendel's experiment on the inheritance of two charact...

    Text Solution

    |

  12. From where the genetic footprints of Homo sapiens can be traced ?

    Text Solution

    |

  13. In which animal did the eyes originate first ? a.Paramoecium b.Plasm...

    Text Solution

    |

  14. Which organ of fish is homologous with the hand of human being?

    Text Solution

    |

  15. How many types of sperms are found in man? a.One b.Two c.Three d...

    Text Solution

    |

  16. The Y-chromosome in human male ……………….. a.possesses the same size as t...

    Text Solution

    |

  17. Who conducted studies on role of earthworms in soil fertility? a.Mend...

    Text Solution

    |

  18. The organs which perform different functions but have the same basic s...

    Text Solution

    |

  19. If the fossil of an organism is found in the deeper layer of earth, th...

    Text Solution

    |

  20. New species may be formed if: ( 1 ) DNA undergoes significant change...

    Text Solution

    |