Class 8 Science MCQ Cell Structure And Functions

Question :The liquid substance inside the cell enclosed by the cell wall or plasma membranes is called:
(a) cytoplasm
(b) nucleoplasm
(c) protoplasm
(d) none of these

Question :The green plastids in plants are called:
(a) nucleoplasts
(b) chloroplast
(c) leucoplasts
(d) none of these.

Question :The controlling centre of the cell is:
(a) protoplasm
(b) plastids
(c) nucleus
(d) chromosomes

Question :Root hair absorbs water from soil through –
(a) Osmosis
(B) Active transport
(c) Diffusion
(D) Endocytosis

Question : The barrier between the protoplasm and outer environment in a plant cell is –
(a) Cell membrane
(B) Nuclear membrane
(c) Cell wall
(D) Tonoplast

Question :An animal cell differs from a plant cell in respect of –
(a) ER
(B) Cell wall
(c) Ribosomes
(D) Cell membrane.

Question :The life giving substance in a cell is:
(a) cytoplasm
(b) protoplasm
(c) nucleoplasm
(d) none of these

Question :Centriole is associated with –
(a) DNA synthesis
(b) Reproduction
(c) Spindle formation
(d) Respiration

Question :The cell organelle associated with cell secretion is
(a) Plastids
(B) Mitochondria
(c) Golgi apparatus
(D) Nucleolus

Question :Power house of the cell is:
(a) nucleus
(b) chloroplast
(c) cytoplasm
(d) mitochondira

Question :The liquid substance present between the nucleus and plasma membrane is called:
(a) cytoplasm
(b) protoplasm
(c) nucleoplasm
(d) none of these

Question :The organelle present in the nucleus which help in transfer of characters from parents to next generation is:
(a) chromatin
(b) chromosome
(c) centromere
(d) none of these

Question :Cell was discovered by:
(a) Robert Brown
(b) Robert looke
(c) M.J. Schleiden
(d) T. Schwan

Question :Which of the following is an inclusion?
(a) Mitochondrion
(B) Lysosome
(c) Golgi complex
(D) Starch grain

Question :Which of the following would not be considered part of a cell’s cytoplsm?
(a) Ribosome
(B) Nucleus
(c) Mitochondrion
(D) Microtubule

Question :Which of the following is called the brain of the cell?
(a) Nucleus
(B) Mitochondria
(c) Ribosomes
(D) Plasma membrane

Question : Nucleolus was discovered by
(a) Fontana
(B) Schleiden
(c) Altmann
(D) Robert Brown

Question :The function of the nucleolus in the cell is
(a) Secretory
(b) Synthesis of DNA
(c) Synthesis of RNA and ribosomes
(d) None of these

Question :Which of the following phenomena is commonly referred as ‘cell drinking’?
(a) Exocytosis
(b) Pinocytosis
(c) Endocytosis
(d) Phagocytosis

Question :The cell organelle taking part in photorespiration is:
(a) Glyoxysome
(b) Dictyosome
(c) Peroxisome
(d) Endoplasmic reticulum

Question :Which one is not a part of nucleus?
(a) Chromatin
(B) Nucleolus
(c) Centrosome
(D) Nucleoplasm

Question : The common feature amongst nucleus, chloroplast and mitochondrion is –
(a) DNA
(B) Lamellae
(c) Cristae
(D) All of these

Question : Nucleus is separated from surrounding cytoplasm by a nuclear envelope which is –
(a) Single and porous
(b) Double and porous
(c) Single and nonporous
(d) Double and nonporous

Question : Nucleoplasm is continuous with cytoplasm through –
(a) Centriole
(b) Golgi apparatus
(c) Nuclear pores
(d) Endoplasmic reticulum

Question :Endoplasmic reticulum sometime contains –
(a) Ribosomes
(B) Lysosomes
(c) Golgi bodies
(D) None of these

Question :Ribosomes are composed of –
(a) 1 subunit
(B) 5 subunits
(c) 2 subunits
(D) 4 subunits

Question :Double membrane is absent in –
(a) Mitochondrion
(B) Chloroplast
(c) Nucleus
(D) Lysosome

Question :Animal cell is limited by–
(a) Plasma membrane
(b) Shell membrane
(c) Cell wall
(d) Basement membrane

Question :The radiant energy of sunlight is converted to chemical energy and stored as –
(a) AMP
(B) ADP
(c) ATP
(D) APP

Question : If the nucleus is a cell’s “control centre” and chloroplasts its “solar collectors”. Which of the following might be called the cell’s combination “food processor” and “garbage disposer”?
(a) Lysosome
(B) Ribosome
(c) Golgi apparatus
(D) Nucleolus

Question :The longest cell in human body is –
(a) Neuron
(B) Muscle fibre
(c) Epithelial cell
(D) Bone cell

Question :Identify human cells which lack nucleus–
(a) WBC
(B) RBC
(c) Platelets
(D) Nerve cells

Question :The energy currency of a cell is –
(a) ADP
(B) AMP
(c) ATP
(D) CTP

Question :Which organelle releases oxygen?
(a) Ribosome
(B) Golgi apparatus
(c) Mitochondria
(D) Chloroplast.

Question : The term “protoplasm” to the living substance present inside the cell, was given by
(a) Robert Hooke
(b) Robert Brown
(c) J.E. Purkinje
(d) W.Flemming

Question : Ribosomes are the centre for –
(a) Respiration
(b) Photosynthesis
(c) Protein synthesis
(d) Fat synthesis.

Question : Lysosomes are the reservoirs of
(a) Fat
(b) RNA
(c) Secretory glycoproteins
(d) Hydrolytic enzymes.

Question :The membrane surrounding the vacuole of a plant cell is called
(a) Tonoplast
(b) Plasma membrane
(c) Nuclear membrane
(d) Cell wall

Question :Unicellular organisms have one-celled body.

Question :A dense round region present in the middle of the cell is called nucleus.

Question :All animal cells are spherical or oval in shape while plant cells are rectangular.

Question :Most of the cells have nucleus.

Question :Amoeba has regular shape.

Question :All living organisms are made of cells.

Question :Muscle cells are branched.

Question :Mitochondria is called powerhouse of the cell.

Question :The basic living unit of an organism is an organ.

Question :The outermost covering in an animal cell is called cell wall.

Question :All organisms are made of smaller parts called organs.

Question :The egg of a hen is a single cell.

Question :Life of all organisms starts as a single cell called fertilized egg.

Question :Green plastids containing chlorophyll are called chloroplasts.

Question :Cells without well-organised nucleus, i.e. lacking nuclear membrane, are called eukaryotic cells.

Question :The living substance in the cell is called ___________________..

Question :A group of cells is called ___________________..

Question :___________________.. are green plastics.

Question :___________________.. is formed by collection of tissues.

Question :Empty space in the cytoplasm is called ___________________..

Question :Units of inheritance present on the chromosomes are called ___________________..

Question :___________________.. is necessary for photosynthesis.

Question :Component present in the cytoplasm are called ___________________..

Question :The ___________________.. is the control centre of the cell.

Question :Cell wall is found in ___________________.. cell.

Question :The structural and functional unit of life is ___________________..

Question :Nucleus is separated from cytoplasm by a ___________________.. , ___________________..

Question :Cells were discovered by ___________________..

Question :Coloured bodies called ___________________.. are found in the plant cells only.

Question :Energy is produced in ___________________

Question :___________________.. is the instrument which enlarge objects.

Question :___________________.. are responsible for passing hereditary characters.

Question :The projections which appear and disappear as amoeba moves or feeds are called ___________________..

Question :All organisms other than bacteria and blue green algae are called ___________________