Home
Class 12
BIOLOGY
Study the ladder of human evolution give...


Study the ladder of human evolution given above and answer the following questions.
(i) Where did Australopithecus evolve?
(ii) Write the scientific name of Java man?

Text Solution

Verified by Experts

(i)East African grasslands (ii)Homo erectus
Promotional Banner

Topper's Solved these Questions

  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-B|38 Videos
  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-C|45 Videos
  • Genetics

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|122 Videos
  • HUMAN HEALTH AND DISEASE

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|211 Videos

Similar Questions

Explore conceptually related problems

Four elements A, B, C and D along with their electronic configuration are given below: Now answer the following questions: (i) Which two elements belong to the same period ? (ii) Which two elements belong to the same group ? (iii) Which element out of A and C is more reactive and why?

Rahul visited the house of the friend Shayam and found that all the water laps were rusted. On equiry, he came to know that these were iron taps. Rahul advised his friend to use either chrome plated or nickel plated taps. Shyam accepted his advice. On the basis of above passage give the answer of the following questions: (i) Why did iron tap get rusted? (ii) What was the purpose of chrom plating or nickel plating? (iii) What is the value associated with this?

Study the following table in which positions of six elements A, B, C, D, E and F are shown as they are in the modern periodic table : On the basis of the above table, answer the following questions : (i) Name the element which forms only covalent compounds. (ii) Name the element which is a metal with valency three. (iii) Name the element which is a non-metal with valency three. (iv) Out of D and E, which is bigger is size and why ? (v) Write the common name for the family to which the elements C and F belong.

In the following table, the positions of six elements A, B, C, D, E and F are given as they are in the Modern Periodic Table : On the basis of the above table, answer the following questions : (i) Name the element which forms only covalent compounds. (ii) Name the element which is a metal with valency three. (iii) Name the element which is a non-metal with valency three. (iv) Out of B and C, whose atomic radius is bigger and why? (v) Write the common name for the family to which the elements D and F belong.

Using the given part of the periodic table, answer the following questions with reason : (i) Name the element having smallest atomic size. (ii) Write electronic configuration of element E. (iii) Identify the elements which have similar physical and chemical properties as the element Y.

Samples of four metals A, B, C and D were taken and added to the following solutions one by one. The results obtained have been tabulated as follows : Use the table given above to answer the following questions about metals A, B, C and D. (i) Which is the most reactive metal ? (ii) Arrange the metals A, B, C and D in the order of decreasing reactivity.

TRUEMAN BIOLOGY-GENETICS AND EVOLUTION -SECTION-D
  1. Study the ladder of human evolution given above and answer the followi...

    Text Solution

    |

  2. Give reason for - (i) Both strands of DNA are not copied during tran...

    Text Solution

    |

  3. Name the type of mutation that causes sickle cell anemia.

    Text Solution

    |

  4. One chromosome contains one molecule of DNA. In eukaryotes the length ...

    Text Solution

    |

  5. With the advent of DNA technology tool is available to identify a crim...

    Text Solution

    |

  6. Name the scientists responsible for determining the biochemical nature...

    Text Solution

    |

  7. Define transcription. Where does transcription in eukaryotes takes pla...

    Text Solution

    |

  8. Define: Evolution Gene pool

    Text Solution

    |

  9. Two blood samples A and B picked up from the crime scene were handed o...

    Text Solution

    |

  10. Name the scientist who proved DNA as a hereditary material.

    Text Solution

    |

  11. With the help of one example each provide genetic explanation for the ...

    Text Solution

    |

  12. Name any two chromosomal disorders.

    Text Solution

    |

  13. Name any two mendelian disorder.

    Text Solution

    |

  14. Define Fossil. Mention its types.

    Text Solution

    |

  15. (a) State the central dogma in molecular biology. Who proposed it? Is ...

    Text Solution

    |

  16. (a) Write what DNA replication refers to. (b ) List any three enzym...

    Text Solution

    |

  17. Explain inheritance of flower colour in Mirabilis jalapa. Mention the ...

    Text Solution

    |

  18. A child suffering from Thalassemia is born to a normal couple. But the...

    Text Solution

    |

  19. Explain the mechanism of sex-determination in humans. b) Differentia...

    Text Solution

    |

  20. Explain Mendel's law of independent assortment by taking a suitable ex...

    Text Solution

    |

  21. Name the species evolved post Industrialization in England.

    Text Solution

    |