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Cell Biology Online Exam Quiz

Important questions about Cell Biology. Cell Biology MCQ questions with answers. Cell Biology exam questions and answers for students and interviews.

Death or mental retardation takes place if accumulation happens in


A : a. somatic cells

B : b. brain cells

C : c. meristemetic cells

D : d. sensory cells

In a normal human being number of chromosomes is


A : a. 23

B : b. 46

C : c. 53

D : d. 26

Pigments containing bodies which are bounded by membrane are called


A : a. plastids

B : b. chlorophyll

C : c. chloroplast

D : d. hemoglobin

In word Lysosoma, 'lyso' means splitting and 'soma' means


A : a. cell

B : b. body

C : c. tissue

D : d. organic

Phagocytosed food is digested with help of enzymes which are present in


A : a. ribosome

B : b. lysosomes

C : c. mitochondria

D : d. Golgi complex

Lysosomes which eat parts of their own cell in state of starvation are called


A : a. autophagosomes

B : b. autophagocytosis

C : c. auto retarded

D : d. auto destruction

Substances are allowed to pass through cell membrane to maintain a constant


A : a. concentration

B : b. gradient

C : c. temperature

D : d. ph

Fluid Mosaic Model favors that cell membrane contains proteins which are embedded in fashion of


A : a. zigzag

B : b. criss-cross

C : c. mosaic

D : d. eplic

Function of detoxifying harmful drugs from body is done by


A : a. smooth endoplasmic reticulum

B : b. rough endoplasmic reticulum

C : c. smooth exoplasmic reticulum

D : d. rough exoplasmic reticulum

Golgi apparatus is found virtually in all cells which are in nature


A : a. Prokaryotic

B : b. eukaryotic

C : c. protozoan's

D : d. protoctists

Those tubular membranes which separates material of endoplasmic reticulum are called


A : a. chromatids

B : b. cisternae

C : c. tubular membranes

D : d. tubules

Prokaryotic cells have a specialized material with them called as


A : a. peptidoglycan/murein

B : b. pectin

C : c. peptidoglucose

D : d. peptidoaminose

A chromosome is composed of a DNA and


A : a. lipids

B : b. proteins

C : c. gene

D : d. sugars

Structural and functional unit of life is called


A : a. cell

B : b. tissues

C : c. organelle

D : d. DNA

Exchange of materials takes place between nucleus and cytoplasm with help of


A : a. nuclear pores

B : b. nuclear membrane

C : c. nucleus

D : d. chromatin network

There are 48 chromosomes in a cell of a


A : a. chimpanzee

B : b. human being

C : c. drosophila

D : d. monkey

Absence of enzyme which helps in catabolism of lipids, lead towards disease called


A : a. glycogenesis

B : b. hay fever

C : c. Tay sach's

D : d. polio

Cellulose, pectin, and hemicelluloses together make up to form a


A : a. primary wall

B : b. secondary wall

C : c. middle wall

D : d. tertiary wall

Arrangement of molecules of a primary wall is in sequence of


A : a. zigzag

B : b. criss-cross

C : c. spiral

D : d. conjugated

Protein structures which are long, unbranched and slender tubules are called


A : a. microfilaments

B : b. microtubules

C : c. intermediate tubules

D : d. chromatin fibers

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