NEET Practice Questions - Botany - Cell - The unit of Life

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  • Subject:

    Botany

  • Chapter:

    Cell - The unit of Life


Hammerling's experiments on Acetabularia involved exchanging

(1) Cytoplasm

(2) Nucleus

(3) Rhizoid and stalk

(4) Gametes 


A non-membrane bound organelle found exclusively in animal cells is:

1. Sphaerosome

2. Glyoxisome

3. Peroxisome

4. Centriole

 


Cell is the fundamental structural and functional unit of all living organisms because:

(1) Anything less than a complete structure of a cell does not ensure independant living.

(2) The metabolic reactions can only occur inside a living cell.

(3) Nucleic acids present in the cells ensure living state.

(4) The membrane bound organelles cause differentiation for proper functioning.


Who concluded, based on his studies on plant tissues, that the presence of cell wall is a unique character of plant cells ?

(1) Mathias Schleiden

(2) Theodore Schwann

(3) Rudolph Virchow

(4) Robert Hooke


Mesosomes in prokaryotes do not help in:

1. Cell wall formation

2. DNA replication

3. Respiration

4. Photosynthesis


The endomembrane system of a eukaryotic cell does not include:

1. Endoplasmic reticulum

2. Lysosome

3. Vacuole

4. Peroxisome


The cis and trans faces of the Golgi Apparatus are:

1. Similar but not interconnected

2. Similar and interconnected

3. Entirely different but interconnected

4. Entirely diffrent and not interconnected


Plastids used in storing proteins are called as:

(1) Amyloplasts

(2) Aleuroplasts

(3) Elaioplasts

(4) Chromoplasts


A centriole-like structure, from which the cilium and the flagellum emerge, is the:

1. Centrosome

2. Basal body

3. Axoneme

4. Vimentin


The outer membrane of the nucleus:

I. is continuous with the Endoplasmic reticulum

II. does not bear ribosomes.

1. Only I is correct

2. Only II is correct

3. Both I and II are correct

4. Both I and II are incorrect