The Fundamental Unit of Life
MCQ Questions Science
1.) Basic unit of living body
a) Small room
b) Tissue
c) Hairs
d) Cell
ANS-Cell
2.) ………………. Is not unicellular organism
a) Cactus
b) Chlamydomonas
c) Paramecium
d) Bacteria
ANS-Cactus
3.) ………………Is not multicellular organism
a) Human
b) Plant
c) Amoeba
d) Cactus
ANS-Amoeba
4.) Every multicellular organism has originated from………..
a) Human
b) Single cell
c) Bacteria
d) Tissue
ANS-Single cell
5.) ……………. Cell is not found in human body
a) Blood
b) Nerve
c) Fat
d) Electro
ANS-Electro
6.) Shape and size of cell are depend on their…………….
a) Texture
b) Shape
c) Function
d) chemical
ANS-Function
7.) Human body is originated from……………
a) mother
b) Stomach of mother
c) Single cell
d) None of them
ANS-Single cell
8.) Each cell has certain specific component within it known as ……………………
a) Cell body
b) Cytoplasm
c) Cell organelles
d) None of them
ANS-Cell organelles
9.) Cell is seen under……………….
a) Stethoscope
b) Thermometer
c) Microscope
d) None of them
ANS-Microscope
10.) ……………………. Is cell organelle
a) Amoeba
b) Bacteria
c) Cytoplasm
d) Plasmodium
ANS-Cytoplasm
11.) Outermost covering of cell that separates the contents of cell from its external environment
a) Cell envelope
b) Cell cover
c) Cell membrane
d) Cell protector
ANS-Cell membrane
12.) …………………….. is allows or permits the entry and exit of some material in and out of the cell
a) Cell envelope
b) Cell cover
c) Cell membrane
d) Cell protector
ANS-Cell membrane
13.) …………………. Is called selectively permeable membrane
a) Cell envelope
b) Cell cover
c) Cell membrane
d) Cell protector
ANS-Cell membrane
14.) Carbon dioxide or oxygen can move across the cell membrane by a process called……..
a) Reverse Osmosis
b) Diffusion
c) Transportation
d) Circulation
ANS-Diffusion
15.) …………….. process plays important role in gaseous exchange between cells as well as the cell and its external environment
a) Reverse Osmosis
b) Diffusion
c) Transportation
d) Circulation
ANS-Diffusion
16.) The movement of water molecules through such a selectively permeable membrane is called………..
a) Osmosis
b) Diffusion
c) Transportation
d) Circulation
ANS-Osmosis
17.) The cell is swell up by ……………… solution
a) Hypertonic solution
b) Hypotonic solution
c) Isotonic solution
d) None of them
ANS-Hypertonic solution
18.) When the medium is behaving like hypertonic solution
a) Cell is swell up
b) Cell size retain as it is
c) Cell will shrink
d) All of them
ANS-Cell is swell up
19.) The cell will stay the same size…………………. Solution
a) Hypertonic solution
b) Hypotonic solution
c) Isotonic solution
d) None of them
ANS-Isotonic solution
20.) When the medium is behaving like isotonic solution
a) Cell is swell up
b) Cell is size retain as it is
c) Cell will shrink
d) All of them
ANS-Cell size retain as it is
21.) The plasma membrane is made up of …………………
a) Salt
b) Carbohydrates
c) Minerals
d) Lipids
ANS-Lipids
22.) Cell membrane engulfed food from its external environment called
a) Reverse Osmosis
b) Diffusion
c) Endocytosis
d) Circulation
ANS-Endocytosis
23.) Amoeba acquires its food through ………………….
a) Reverse Osmosis
b) Endocytosis
c) Transportation
d) Circulation
ANS-Endocytosis
24.) Rigid outer cover present in plant cell
a) Plasma membrane
b) Cytoplasm
c) Vacuole
d) Cell wall
ANS-Cell wall
25.) Plant cell wall is made up of………….
a) Cellulose
b) Carbohydrates
c) Minerals
d) Lipids
ANS-Cellulose
26.) ……………………. Is a complex substance and provides structural strength to plant
a) Cellulose
b) Carbohydrates
c) Minerals
d) Lipids
ANS-Cellulose
27.) Water movement in plant shows osmosis results contraction and shrinkage of cell called………
a) Reverse Osmosis
b) Endocytosis
c) Transportation
d) Plasmolysis
ANS-Plasmolysis
28.) Nucleus has double layered covering called ………
a) Cytoplasm
b) Nuclear membrane
c) Cell wall
d) Cell membrane
ANS-Nuclear membrane
29.) ……………….. material present in nucleus.
a) Cytoplasm
b) Nuclear membrane
c) Fluid
d) None of them
ANS-None of them
30.) Rod shaped structure present in nucleus called………….
a) Cytoplasm
b) Vacuole
c) Proteins
d) Chromosomes
ANS-Chromosomes
31.) full form of DNA
a) Deoxyribo Nucleic Acid
b) Doxy ribose acid
c) Deoxyribose Napthalic Acid
d) Deoxyribo Nucleic Anta acid
ANS-Deoxyribo Nucleic Acid
32.) Chromosomes are composed of ……….. and ………..
a) Acid, bases
b) Minerals, bases
c) DNA, proteins
d) DNA, RNA
33.) Functional segments of DNA called …………
a) RNA
b) Genes
c) Chromosome
d) None of them
ANS-Genes
34.) Nucleus plays vital role in cellular ……………
a) Circulation
b) Transportation
c) Reproduction
d) Digestion
ANS-Reproduction
35.) Undefined nuclear region containing only nucleic acids is called………….
a) RNA
b) Genes
c) Chromosome
d) Nucleoid
ANS-Nucleoid
36.) ……………. has lack of nuclear membrane
a) Prokaryotes
b) Eukaryotes
c) Cactus
d) Human being
ANS-Prokaryotes
37.) Organisms with cell having a nuclear membrane called……………
a) Prokaryotes
b) Eukaryotes
c) Cactus
d) Human being
ANS-Eukaryotes
38.) Fluid content present in cell called………….
a) Cytoplasm
b) Vacuole
c) Proteins
d) Chromosomes
ANS-Cytoplasm
39.) ……………… lacks any membranes and hence they do not show characteristics of life
a) Plasmodium
b) Viruses
c) Human being
d) None of them
ANS-Viruses
40.) Full form of ER
a) Endo ribosome
b) Endoplasmic reticulum
c) Endoplasmic ribosome
d) Endoplasmic ribose
ANS-Endoplasmic reticulum
41.) Full form of SER
a) Smooth Endo ribosome
b) Small endoplasmic reticulum
c) Smooth endoplasmic reticulum
d) Smooth endoplasmic ribosome
ANS-Smooth endoplasmic reticulum
42.) …………. Plays crucial role in detoxifying many poisons and drugs
a) DNA
b) RNA
c) SER
d) RER
ANS-SER
43.) …………… are membrane bound sacs filled with digestive enzymes
a) Cytoplasm
b) Vacuole
c) Proteins
d) Lysosomes
ANS-Lysosomes
44.) Lysosomes are known as…………..
a) Power house of the cell
b) Suicide bags
c) Lipids
d) None of them
ANS-Suicide bags
45.) …………….. generates ATP
a) Cytoplasm
b) Vacuole
c) Mitochondria
d) Lysosomes
ANS-Mitochondria
46.) Full form of ATP
a) Adenosine Mitochondria
b) Adenosine triphosphosphate
c) Adenosine tri molecule
d) Adenosine triple
ANS-Adenosine triphosphosphate
47.) White or colorless plastids known as……………
a) Plasmodium
b) Plastid
c) Chloroplast
d) Leucoplast
ANS-Leucoplast
48.) Numerous membrane layers present in chloroplast called …………..
a) Cytoplasm
b) Vacuole
c) Mitochondria
d) Stroma
ANS-Stroma
49.) The process of cell division by which most of the cells are divided for growth is called………….
a) Reproduction
b) Meiosis
c) Mitosis
d) None of them
ANS-Mitosis
50.) Four new cells produces by cell division, in that new cells have only half the number of chromosomes than that of mother cell
a) Endocytosis
b) Exocytosis
c) Meiosis
d) Mitosis
ANS-Meiosis
a) Small room
b) Tissue
c) Hairs
d) Cell
ANS-Cell
2.) ………………. Is not unicellular organism
a) Cactus
b) Chlamydomonas
c) Paramecium
d) Bacteria
ANS-Cactus
3.) ………………Is not multicellular organism
a) Human
b) Plant
c) Amoeba
d) Cactus
ANS-Amoeba
4.) Every multicellular organism has originated from………..
a) Human
b) Single cell
c) Bacteria
d) Tissue
ANS-Single cell
5.) ……………. Cell is not found in human body
a) Blood
b) Nerve
c) Fat
d) Electro
ANS-Electro
6.) Shape and size of cell are depend on their…………….
a) Texture
b) Shape
c) Function
d) chemical
ANS-Function
7.) Human body is originated from……………
a) mother
b) Stomach of mother
c) Single cell
d) None of them
ANS-Single cell
8.) Each cell has certain specific component within it known as ……………………
a) Cell body
b) Cytoplasm
c) Cell organelles
d) None of them
ANS-Cell organelles
9.) Cell is seen under……………….
a) Stethoscope
b) Thermometer
c) Microscope
d) None of them
ANS-Microscope
10.) ……………………. Is cell organelle
a) Amoeba
b) Bacteria
c) Cytoplasm
d) Plasmodium
ANS-Cytoplasm
11.) Outermost covering of cell that separates the contents of cell from its external environment
a) Cell envelope
b) Cell cover
c) Cell membrane
d) Cell protector
ANS-Cell membrane
12.) …………………….. is allows or permits the entry and exit of some material in and out of the cell
a) Cell envelope
b) Cell cover
c) Cell membrane
d) Cell protector
ANS-Cell membrane
13.) …………………. Is called selectively permeable membrane
a) Cell envelope
b) Cell cover
c) Cell membrane
d) Cell protector
ANS-Cell membrane
14.) Carbon dioxide or oxygen can move across the cell membrane by a process called……..
a) Reverse Osmosis
b) Diffusion
c) Transportation
d) Circulation
ANS-Diffusion
15.) …………….. process plays important role in gaseous exchange between cells as well as the cell and its external environment
a) Reverse Osmosis
b) Diffusion
c) Transportation
d) Circulation
ANS-Diffusion
16.) The movement of water molecules through such a selectively permeable membrane is called………..
a) Osmosis
b) Diffusion
c) Transportation
d) Circulation
ANS-Osmosis
17.) The cell is swell up by ……………… solution
a) Hypertonic solution
b) Hypotonic solution
c) Isotonic solution
d) None of them
ANS-Hypertonic solution
18.) When the medium is behaving like hypertonic solution
a) Cell is swell up
b) Cell size retain as it is
c) Cell will shrink
d) All of them
ANS-Cell is swell up
19.) The cell will stay the same size…………………. Solution
a) Hypertonic solution
b) Hypotonic solution
c) Isotonic solution
d) None of them
ANS-Isotonic solution
20.) When the medium is behaving like isotonic solution
a) Cell is swell up
b) Cell is size retain as it is
c) Cell will shrink
d) All of them
ANS-Cell size retain as it is
21.) The plasma membrane is made up of …………………
a) Salt
b) Carbohydrates
c) Minerals
d) Lipids
ANS-Lipids
22.) Cell membrane engulfed food from its external environment called
a) Reverse Osmosis
b) Diffusion
c) Endocytosis
d) Circulation
ANS-Endocytosis
23.) Amoeba acquires its food through ………………….
a) Reverse Osmosis
b) Endocytosis
c) Transportation
d) Circulation
ANS-Endocytosis
24.) Rigid outer cover present in plant cell
a) Plasma membrane
b) Cytoplasm
c) Vacuole
d) Cell wall
ANS-Cell wall
25.) Plant cell wall is made up of………….
a) Cellulose
b) Carbohydrates
c) Minerals
d) Lipids
ANS-Cellulose
26.) ……………………. Is a complex substance and provides structural strength to plant
a) Cellulose
b) Carbohydrates
c) Minerals
d) Lipids
ANS-Cellulose
27.) Water movement in plant shows osmosis results contraction and shrinkage of cell called………
a) Reverse Osmosis
b) Endocytosis
c) Transportation
d) Plasmolysis
ANS-Plasmolysis
28.) Nucleus has double layered covering called ………
a) Cytoplasm
b) Nuclear membrane
c) Cell wall
d) Cell membrane
ANS-Nuclear membrane
29.) ……………….. material present in nucleus.
a) Cytoplasm
b) Nuclear membrane
c) Fluid
d) None of them
ANS-None of them
30.) Rod shaped structure present in nucleus called………….
a) Cytoplasm
b) Vacuole
c) Proteins
d) Chromosomes
ANS-Chromosomes
31.) full form of DNA
a) Deoxyribo Nucleic Acid
b) Doxy ribose acid
c) Deoxyribose Napthalic Acid
d) Deoxyribo Nucleic Anta acid
ANS-Deoxyribo Nucleic Acid
32.) Chromosomes are composed of ……….. and ………..
a) Acid, bases
b) Minerals, bases
c) DNA, proteins
d) DNA, RNA
33.) Functional segments of DNA called …………
a) RNA
b) Genes
c) Chromosome
d) None of them
ANS-Genes
34.) Nucleus plays vital role in cellular ……………
a) Circulation
b) Transportation
c) Reproduction
d) Digestion
ANS-Reproduction
35.) Undefined nuclear region containing only nucleic acids is called………….
a) RNA
b) Genes
c) Chromosome
d) Nucleoid
ANS-Nucleoid
36.) ……………. has lack of nuclear membrane
a) Prokaryotes
b) Eukaryotes
c) Cactus
d) Human being
ANS-Prokaryotes
37.) Organisms with cell having a nuclear membrane called……………
a) Prokaryotes
b) Eukaryotes
c) Cactus
d) Human being
ANS-Eukaryotes
38.) Fluid content present in cell called………….
a) Cytoplasm
b) Vacuole
c) Proteins
d) Chromosomes
ANS-Cytoplasm
39.) ……………… lacks any membranes and hence they do not show characteristics of life
a) Plasmodium
b) Viruses
c) Human being
d) None of them
ANS-Viruses
40.) Full form of ER
a) Endo ribosome
b) Endoplasmic reticulum
c) Endoplasmic ribosome
d) Endoplasmic ribose
ANS-Endoplasmic reticulum
41.) Full form of SER
a) Smooth Endo ribosome
b) Small endoplasmic reticulum
c) Smooth endoplasmic reticulum
d) Smooth endoplasmic ribosome
ANS-Smooth endoplasmic reticulum
42.) …………. Plays crucial role in detoxifying many poisons and drugs
a) DNA
b) RNA
c) SER
d) RER
ANS-SER
43.) …………… are membrane bound sacs filled with digestive enzymes
a) Cytoplasm
b) Vacuole
c) Proteins
d) Lysosomes
ANS-Lysosomes
44.) Lysosomes are known as…………..
a) Power house of the cell
b) Suicide bags
c) Lipids
d) None of them
ANS-Suicide bags
45.) …………….. generates ATP
a) Cytoplasm
b) Vacuole
c) Mitochondria
d) Lysosomes
ANS-Mitochondria
46.) Full form of ATP
a) Adenosine Mitochondria
b) Adenosine triphosphosphate
c) Adenosine tri molecule
d) Adenosine triple
ANS-Adenosine triphosphosphate
47.) White or colorless plastids known as……………
a) Plasmodium
b) Plastid
c) Chloroplast
d) Leucoplast
ANS-Leucoplast
48.) Numerous membrane layers present in chloroplast called …………..
a) Cytoplasm
b) Vacuole
c) Mitochondria
d) Stroma
ANS-Stroma
49.) The process of cell division by which most of the cells are divided for growth is called………….
a) Reproduction
b) Meiosis
c) Mitosis
d) None of them
ANS-Mitosis
50.) Four new cells produces by cell division, in that new cells have only half the number of chromosomes than that of mother cell
a) Endocytosis
b) Exocytosis
c) Meiosis
d) Mitosis
ANS-Meiosis
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