Home
Class 9
BIOLOGY
The brain of an adult human weighs about...

The brain of an adult human weighs about ………… .
500 - 600 grams
2-3 kilograms
1300-1400 grams
1500-1600 grams

A

500 - 600 grams

B

2-3 kilograms

C

1300-1400 grams

D

1500-1600 grams

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Life Processes In Living Organisms

    CHETANA PUBLICATION|Exercise EXERCISE|44 Videos

  • INTRODUCTION TO BIOTECHNOLOGY

    CHETANA PUBLICATION|Exercise EXERCISE |122 Videos

  • Useful and Harmful Microbes

    CHETANA PUBLICATION|Exercise EXERCISE|35 Videos

Similar Questions

Explore conceptually related problems

Before the year 1900 the activity per unit mass of atmospheric carbon due to the presence of 14 C averaged about 0.255Bq per gram of carbon. An archaeological specimen containing 500 mg of carbon, shows 174 decays in one hour. What is the age of the specimen, assuming that its activity per unit mass of carbon when the specimen died was equal to the average value of the air?Half life of ^ 14 C is 5730years?

One litre of a gas weighs 2 g at 300 K and 1 atm. Pressure . If the pressure is made 0.75 atm, at which of the following temperature will one litre of the same gas weigh one gram ?

A constant electric current flows for 4 hours through two electrolytic cells connectedin series. Onecontain AgNO_3 ssolutionandsecondcontains CuCl_2 solution. During this time, 4 grams of Ag are deposited in the first cell: How many grams of Cu are deposited in the second cell?

A cylinder contains one gram mole of H_2 at 17^@C and 2 atms. The initial volume of the gas is 2xx10(-3)m^3 . Find the work done if its volume changes by 15 percent.

Calculate the numbe rof atoms present in 2 grams of crystal which his face centred cubic lattice having edge length of 100 pm and density 10g cm_3

Find the sample space 'S' and the sample points 'n(S)': A committee of two is to be formed from 2 men and 3 women for Gram Swachata Abhiyan.

1 gram of carbonate (M_(2)CO_(3)) on treatment with excess HCl produces 0.01186 mole of CO_(2) . The molar mass of M_(2)CO_(3) in g "mol"^(-1) is ____________.

CHETANA PUBLICATION-Life Processes In Living Organisms-EXERCISE
  1. The hormone ……….is effective in prevention and retardation of growth, ...

    Text Solution

    |

  2. ………….neurons conduct impulses from the sensory organs to the brain and...

    Text Solution

    |

  3. The brain of an adult human weighs about ………… . 500 - 600 grams 2-3 ...

    Text Solution

    |

  4. …………..is the largest part of the brain. Cerebrum Cerebellum Medulla...

    Text Solution

    |

  5. There are two triangular swollen structure called ………….on the upper si...

    Text Solution

    |

  6. Control of voluntary movements is done by ……….. . Cerebrum Cerebellu...

    Text Solution

    |

  7. Co-ordination of voluntary movemtns is done by ………….. . Cerebrum Cer...

    Text Solution

    |

  8. Control of involuntary activities like the beating of the heart, blood...

    Text Solution

    |

  9. The function of cerebrum is to ………… . control of voluntary movement...

    Text Solution

    |

  10. The function of cerebrum is to ………… . control of voluntary movement...

    Text Solution

    |

  11. Hormone …………..stimulates the liver to convert excess blood glucose int...

    Text Solution

    |

  12. Hormone whose secretion increase in emotional disturbances

    Text Solution

    |

  13. …………..controls menstrual cycle and ovulation. Prolactin Oxytocin ...

    Text Solution

    |

  14. …………..stimulates growth of secondary sexual characteristics in men. T...

    Text Solution

    |

  15. ………….occurs through stomata. Translocation Perspiratin Transpirat...

    Text Solution

    |

  16. …………...performs the important role of pushing the water up during the ...

    Text Solution

    |

  17. In plants, gaseous substances are given out by …………… Root pressure ...

    Text Solution

    |

  18. Each kidney has approximately …………..nephtorns 1 lakh 10000 10 lak...

    Text Solution

    |

  19. Insulin is secreated by the …………of the pancreas. Alpha cells Beta c...

    Text Solution

    |

  20. The transport of food produced in leaves to each cell in the plant bod...

    Text Solution

    |