Home
Class 12
BIOLOGY
The most primitive cell-like chemical ag...

The most primitive cell-like chemical aggegates capables of growth and division were

A

chemoautotrophs

B

Eobionts

C

Procaryotes

D

Microspheres

Text Solution

AI Generated Solution

The correct Answer is:
To answer the question regarding the most primitive cell-like chemical aggregates capable of growth and division, we can follow these steps: ### Step 1: Understand the Options The question provides four options: - Camotropes - Eobionauts - Prokaryotes - Microspheres ### Step 2: Define Each Option - **Camotropes**: These are not widely recognized in biological literature as primitive cell-like structures. - **Eobionauts**: This term is not commonly used in the context of primitive cell-like aggregates. - **Prokaryotes**: These are simple, single-celled organisms that lack a nucleus, but they are not the most primitive aggregates. - **Microspheres**: These are small spherical particles that can be formed from proteins or synthetic polymers and are capable of growth and division. ### Step 3: Analyze Microspheres Microspheres are solid particles that range from 1 to 1000 micrometers in diameter. They are notable for their ability to mimic certain properties of living cells, such as: - Growth: They can increase in size. - Division: They can replicate under certain conditions. ### Step 4: Conclusion Based on the definitions and characteristics of the options, the most primitive cell-like chemical aggregates capable of growth and division are **Microspheres**. ### Final Answer **Microspheres** ---
Promotional Banner

Topper's Solved these Questions

  • ORGANISMS AND THE ENVIRONMENT

    DINESH PUBLICATION ENGLISH|Exercise CYG|17 Videos
  • PHOTOSYNTHESIS

    DINESH PUBLICATION ENGLISH|Exercise CYG|10 Videos

Similar Questions

Explore conceptually related problems

Spirogyra cells which are capable of division , growth and reproduction are

Cells capable of division are

The cells which are capable of undergoing division and development are

In adult human beings , growth and cell division stop in

Which of the following layer of cell wall is capable of growth and gradually diminishes as the cell matures?

Which one is the smallest organism capable of autonomous growth and reproduction Or Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen

How many of the given statements are incorrect ? I. Connectivity of plasmodesmata is maintained by ER membrane called dictyosome . II.Totallly buried proteins in membrane are integral protein while partially buried proteins are peripheral proteins. III. The primary cell wall is capable of growth. IV. The peroxisome is not included in the endomembrane system.

Read the following statements carefully - (A) The lipid component of the plasma membrane mainly consists of phosphoglycerides. (B) Polar molecules can pass through the lipid bilayer of the plasma membrane, therefore they do not require carrier proteins to facilitate their transport. (C ) The secondary wall is capable of growth and it is formed on the outer side of the primary wall. (D) Quasifluid nature of lipid enables the lateral movement of proteins within the overall lipid bilayer of the plasma membrane. (E) Middle lamella glues the different neighbouring cells together. How many statements are incorrect?

The cell wall of a young plant cell, the (A)_____is capable of growth, which gradually diminish as the cell matures and the (B)_____ is formed on the inner side of the cell.

Chemical for arresting cell division is extracted from

DINESH PUBLICATION ENGLISH-ORIGIN OF LIFE -All Questions
  1. The first organism were

    Text Solution

    |

  2. Planet nearest to sun is

    Text Solution

    |

  3. The most primitive cell-like chemical aggegates capables of growth and...

    Text Solution

    |

  4. The Russian scientist who proposed the theory of origin of life was

    Text Solution

    |

  5. Under certain conditions, scientists have got cell-like structures but...

    Text Solution

    |

  6. Ozone layer is important as it

    Text Solution

    |

  7. Organic compounds first evolved on earth and required for origin of li...

    Text Solution

    |

  8. choose the correct sequence during formation of chemicals on early ear...

    Text Solution

    |

  9. First photosynthetic organisms to appear on earth were

    Text Solution

    |

  10. Oparin's theory about "Origin of life" is based upon the idea of

    Text Solution

    |

  11. For testing Oparin's hypothesis Stanley Miller and Harold Urey used H2...

    Text Solution

    |

  12. Who said that organisms develop from pre-existing organisms?

    Text Solution

    |

  13. Coacervates are

    Text Solution

    |

  14. Life cannot originate from inorganic materials at present because of

    Text Solution

    |

  15. Who demonstrated that life comes from life with the help of flask with...

    Text Solution

    |

  16. Most advanced theory of origin of life is that of

    Text Solution

    |

  17. One of the possible early sources of energy was/were

    Text Solution

    |

  18. Swan-necked flask experiment related to theory of biogenesis was perfo...

    Text Solution

    |

  19. Spark discharge apparatus for testing chemical origin of life was desi...

    Text Solution

    |

  20. The presence of NaCl in body fluid indicates that life originated in

    Text Solution

    |