Kerala PSC GK | Dairly Farm Instructor | Model Questions - 01

001

Who discovered the cell?

[a]

Robert Brown

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[b]

Leeuwenhoek

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[c]

Robert Hooke

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[d]

Virchow

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002

The scientist who discovered nucleus was ___

[a]

Rober Hooke

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[b]

Robert Brown

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[c]

MJ Schleiden

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[d]

Theodore Schwan

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003

Which one is an exception to cell theory?

[a]

Virus

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[b]

Algae

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[c]

Mycoplasma

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[d]

All of these

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004

A prokaryotic cell doesn't have a ___

[a]

Cell wall

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[b]

Cell membrane

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[c]

Mitochondria

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[d]

Nucleus

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005

Animal cell can be distinguished from a plant cell in having ___

[a]

Centrosome

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[b]

Plastid

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[c]

Cell wall

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[d]

Chloroplast

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006

Mycolic acid is present in the cell wall of ____

[a]

Nocardia

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[b]

Mycobacterium

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[c]

Mycoplasma

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[d]

Both (a)&(b)

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007

The power house of cell is ____

[a]

Nucleus

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[b]

Mitochondria

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[c]

Ribosome

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[d]

Lysosome

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008

Fluid Mosaic model of cell membrane was proposed by:

[a]

Singer & Nicholson

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[b]

Danielli & Davson

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[c]

Watson & Crick

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[d]

Harvey & Robertson

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009

Desmosomes are concerned with _____

[a]

Cell division

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[b]

Cell differentiation

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[c]

Cell adherence

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[d]

Cellular respiration

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010

Protoplasmic strands between adjacent plant cells are ___

[a]

Desmosomes

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[b]

Plasmodesmata

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[c]

Dictyosomes

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[d]

Plastids

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011

The main function of smooth endoplasmic reticulum is ___

[a]

Lipid Synthesis

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[b]

Carbohydrate synthesis

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[c]

Lipid & steroid synthesis

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[d]

Protein synthesis

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012

Which type of movement occurs when Na/K pump is used?

[a]

Na+ ions move out of the cell & K+ ions move in

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[b]

K+ ion moves out of the cell & Na+ ion moves in

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[c]

Both Na + & K+ ions move inside the cell

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[d]

Both Na + & K+ ions move out of the cell

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013

Which one of the following statement is not true?

[a]

Cellulose of cell wall is a protein

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[b]

Mitochondria is made up of double walled membrane

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[c]

Golgi bodies are otherwise known as Dictyosomes

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[d]

Glyoxisomes helps in fatty acid metabolism & Glyoxylate cycle

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014

Which substance is tranpsorted through secondary active transport?

[a]

Glucose & Amino acid

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[b]

Water

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[c]

Sodium & Potassium

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[d]

None of the above

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015

All of the following are the characteristics of facilitated diffusion, except:

[a]

It occurs according to concentration gradient

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[b]

It doesn't use ATP

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[c]

It use a protein carrier

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[d]

It utilize a protein channel

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