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BOTANY-CELL

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Direction: Choose the appropriate answer from the options given below :

______ is the father of the cytology.

  1. Robert Hook

  2. Da Vinci

  3. Jan Dam

  4. Anton Van Leeuwenhoek


Correct Option: A

Direction: Choose the appropriate answer from the options given below :

______ discovered the cell in 1665.

  1. Robert Hook

  2. Da Vinci

  3. Jan Dam

  4. Anton Van Leeuwenhoek


Correct Option: A

Direction: Choose the appropriate answer from the options given below :

Which among the following is the not the postulation of the cell theory?

  1. All the organism are made up of the one or more cells

  2. Cell is the basic functional unit of life

  3. All cells arise from the pre existing cells

  4. None of the above


Correct Option: D

Direction: Choose the appropriate answer from the options given below :

The type of nucleus without the cell membrane is called ______.

  1. Capsid

  2. Chromatin

  3. Nucleoid

  4. Nucleoplasm


Correct Option: C

Direction: Choose the appropriate answer from the options given below :

Who introduced the term protoplasm for the juicy living substance in the cells?

  1. O. Hertwig

  2. Dujardin

  3. Max Schultz

  4. Von Mohl


Correct Option: D

Direction: Choose the appropriate answer from the options given below :

The German botanist Mathias Schleiden and the German physiologist ______ proposed the cell theory or cell doctrine in 1838 and 1839 respectively.

  1. Rudolf Virchov

  2. Dujardin

  3. Max Schultz

  4. Theodor Schwann


Correct Option: D

Direction: Choose the appropriate answer from the options given below :

______ is called the “physical basis of life” as it performs the all the activities of the living being.

  1. Protoplasm

  2. Cytoplasm

  3. Kinoplasm

  4. Ectoplasm


Correct Option: A

Direction: Choose the appropriate answer from the options given below :

Nucleus was discovered by Robert Brown in ______.

  1. 1831

  2. 1823

  3. 1845

  4. 1881


Correct Option: A

Direction: Choose the appropriate answer from the options given below :

______ is the rigid and protective layer around the plasma membrane which provides the mechanical support to the plant cell.

  1. Plasmadesmata

  2. Lamella

  3. Cell wall

  4. Unit membrane


Correct Option: C

Direction: Choose the appropriate answer from the options given below :

“Fluid mosaic model” of the plasma membrane was proposed by the Singer and ______ in 1972.

  1. Robertson

  2. Nicholson

  3. Knoll

  4. Ruska


Correct Option: B

Direction: Choose the appropriate answer from the options given below :

______ discovered the nucleolus in the nucleoplasm.

  1. Fontana

  2. Robert Brown

  3. Singer

  4. Nicholson


Correct Option: A

Direction: Choose the appropriate answer from the options given below :

Which among the following is called the vehicle of the heredity?

  1. Ribosome

  2. Chromosomes

  3. Chromatin reticulum

  4. Nucleolus


Correct Option: B

Direction: Choose the appropriate answer from the options given below :

Nucleus is present in all the eukaryotic cells, except the ______ of the man.

  1. Liver

  2. Karyotype

  3. Red blood cells

  4. Stomach


Correct Option: C

Direction: Choose the appropriate answer from the options given below :

The idea of the cell culture rose from the concept of the ______.

  1. Totipotency

  2. Self sustained cell

  3. Eukaryotic property

  4. None of the above


Correct Option: A

Direction: Choose the appropriate answer from the options given below :

______ is the movement of the solvent molecule from the region of higher concentration to the lower concentration through the semi-permeable membrane.

  1. Diffusion

  2. Osmosis

  3. Endocytosis

  4. Exocytosis


Correct Option: B

Direction: Choose the appropriate answer from the options given below :

The first electron microscope was developed by the Knoll and ______ of Germany in 1932.

  1. Ruska

  2. Jensen

  3. Hans

  4. Vohn Mol


Correct Option: A

Direction: Choose the appropriate answer from the options given below :

The study of the nucleus is called ______.

  1. Cytology

  2. Histopathology

  3. Paleontology

  4. Karyology


Correct Option: D

Direction: Choose the appropriate answer from the options given below :

If the centromere is situated at the tip of the chromosome, it is called ______.

  1. Acrocentric

  2. Telocentric

  3. Metacentric

  4. Sub-metacentric


Correct Option: B

Direction: Choose the appropriate answer from the options given below :

If the centromere is situated near the middle of the chromosome, it is called ______.

  1. Metacentric

  2. Acrocentric

  3. Telocentric

  4. Sub-metacentric


Correct Option: A

Direction: Choose the appropriate answer from the options given below :

Which among the following are the assembly shops for the protein synthesis?

  1. Mitochondria

  2. Endoplasmic reticulum

  3. Golgi apparatus

  4. Ribosomes


Correct Option: D

Direction: Choose the appropriate answer from the options given below :

Which of the cell organelles is called as the suicide bags?

  1. Golgi bodies

  2. Endoplasmic reticulum

  3. Lysosome

  4. Ribosome


Correct Option: C

Direction: Choose the appropriate answer from the options given below :

The term mitochondria was first introduced by ______ in 1898.

  1. Robert brown

  2. Robert hook

  3. Schinger

  4. Benda


Correct Option: D

Direction: Choose the appropriate answer from the options given below :

In mitochondria, the inner membrane gives out lot of finger-like projections known as ______.

  1. Cristae

  2. Golgi

  3. MRna chain

  4. Stalk


Correct Option: A

Direction: Choose the appropriate answer from the options given below :

80S ribosomes are found in the eukaryotes and consist of two subunits; they are

  1. 20S and 60S

  2. 30S and 50S

  3. 40S and 40S

  4. 40S and 60S


Correct Option: D

Direction: Choose the appropriate answer from the options given below :

The streaming movement of cytoplasm around the vacuole is called ______.

  1. Cytoplasmic streaming

  2. Cyclosis

  3. Cell wall turbulence

  4. Vacuole rotation


Correct Option: B
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