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question_answer1)
The word 'cell' is derived from
A)
Greek word that means 'small box-like structure' done
clear
B)
Latin word that means 'a little room' done
clear
C)
Greek word that means 'a little room' done
clear
D)
Latin word that means 'small box-like structure' done
clear
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question_answer2)
Living cells were discovered by (NCERT Exemplar)
A)
Robert Hooke done
clear
B)
Purkinje done
clear
C)
Leeuwenhoek done
clear
D)
Robert Brown done
clear
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question_answer3)
The term 'protoplasm' was coined by
A)
Purkinje done
clear
B)
Robert Hooke done
clear
C)
Virchow done
clear
D)
Robert Brown done
clear
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question_answer4)
Cell theory states that cells are structural and functional unit of
A)
plants done
clear
B)
animals done
clear
C)
Both [a] and [b] done
clear
D)
microbes done
clear
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question_answer5)
The cell theory was further explained by Virchow.
A)
True done
clear
B)
False done
clear
C)
Can't say done
clear
D)
Partially true/false done
clear
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question_answer6)
Match the following columns.
| Column I | | Column II |
A. | Robert Hooke | 1. | Discovery of nucleus |
B. | Schleiden and Schwann | 2. | Protoplasm |
C. | Robert Brown | 3. | Cell theory |
D. | Purkinje | 4. | Discovered cell |
Codes
A)
A-3, B-4, C-1, D-2 done
clear
B)
A-1, B-2, C-3, D-4 done
clear
C)
A-2, B-4, C-1, D-3 done
clear
D)
A-4, B-3, C-1, D-2 done
clear
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question_answer7)
Choose the incorrect statement from the following options.
A)
All cells arise from pre-existing cells only done
clear
B)
Rudolf Virchow proposed the cell theory done
clear
C)
Nucleus was discovered by Robert Brown in 1831 done
clear
D)
The nucleus and cytoplasm of a living cell, altogether form the protoplasm done
clear
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question_answer8)
Match the following columns.
|
Column I |
|
Column II |
A. |
Chlamydomonas |
1. |
Muldcellular organism |
B. |
Prokaryotes |
2. |
Organism having nuclear membrane |
C. |
Fungi |
3. |
Unicellular organisms |
D. |
Eukaryotes |
4. |
Organisms without a nuclear membrane |
Codes
A)
A-3, B-4, C-1, D-2 done
clear
B)
A-1, B-2, C-3, D-4 done
clear
C)
A-2, B-4, C-1, D-3 done
clear
D)
A-4, B-3, C-2, D-1 done
clear
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question_answer9)
The shape and size of cells are related to
A)
type of cell done
clear
B)
function of cell done
clear
C)
length of cell done
clear
D)
Both [a] and [b] done
clear
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question_answer10)
The only cell organelle seen in prokaryotic cell is (NCERT Exemplar)
A)
mitochondria done
clear
B)
ribosomes done
clear
C)
plastids done
clear
D)
lysosomes done
clear
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question_answer11)
The covering of the cell that separates the content of the cell from its external environment is called
A)
cell wall done
clear
B)
cytoplasm done
clear
C)
cell membrane done
clear
D)
nucleus done
clear
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question_answer12)
Diffusion is the process in which substance move from region of ....(A)
concentration to a region of ...(B)...concentration.
A)
(A)-low,(B)-high done
clear
B)
(A)-high,(B)-low done
clear
C)
(A)-low,(B)-low done
clear
D)
(A)-high,(B)-high done
clear
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question_answer13)
Plasma membrane is called as
A)
selectively permeable done
clear
B)
permeable done
clear
C)
impermeable done
clear
D)
semipermeable done
clear
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question_answer14)
A cell will swell up if (NCERT Exemplar)
A)
the concentration of water molecules in the cell is higher than the concentration of water molecules in surrounding medium done
clear
B)
the concentration of water molecules in surrounding medium is higher than water molecules concentration in the cell done
clear
C)
the concentration of water molecules is same in the cell and in the surrounding medium done
clear
D)
concentration of water molecules does not matter done
clear
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question_answer15)
Match the following columns.
|
Column I |
|
Column II |
A. |
Hypotonic solution |
1. |
Cell will shrink |
B. |
Hypertonic |
2. |
Cell will swell up solution |
C. |
Isotonic solution |
3. |
Cell will stay the same |
Codes
A)
A-3, B-2, C-1 done
clear
B)
A-1, B-2, C-3 done
clear
C)
A-3, B-1, C-2 done
clear
D)
A-2, B-1, C-3 done
clear
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question_answer16)
Osmosis is the special case of diffusion through a selectively permeable membrane.
A)
True done
clear
B)
False done
clear
C)
Can't say done
clear
D)
Partially true or false done
clear
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question_answer17)
The flexibility of plasma membrane can be contributed to the presence of
A)
proteins done
clear
B)
lipids done
clear
C)
nucleic acids done
clear
D)
Both [a] and [b] done
clear
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question_answer18)
Amoeba acquires its food through a process, termed (NCERT Exemplar)
A)
exocytosis done
clear
B)
endocytosis done
clear
C)
plasmolysis done
clear
D)
Both exocytosis and endocytosis done
clear
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question_answer19)
Select the odd one out.
A)
The movement of water across a semi-permeable membrane is affected by the amount of substances dissolved in it done
clear
B)
Membranes are made of organic molecules like proteins and lipids done
clear
C)
The cell membrane separates the content of the cell from its external environment done
clear
D)
The cell membrane allows the movement of all material across it done
clear
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question_answer20)
The rigid outer covering in plant cell is called cell membrane.
A)
True done
clear
B)
False done
clear
C)
Can't say done
clear
D)
Partially true or false done
clear
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question_answer21)
The cell wall of which out of these is not made up of cellulose? (NCERT Exemplar)
A)
Bacteria done
clear
B)
Hydrilla done
clear
C)
Mango tree done
clear
D)
Lactus done
clear
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question_answer22)
Plasmolysis in a plant cell is defined as
A)
breakdown (lysis) of plasma membrane in hypotonic medium done
clear
B)
shrinkage of cell content in hypertonic medium done
clear
C)
shrinkage of nucleoplasm done
clear
D)
None of the above done
clear
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question_answer23)
The nucleus has a double layered covering called
A)
cell membrane done
clear
B)
nuclear membrane done
clear
C)
cell wall done
clear
D)
plasma membrane done
clear
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question_answer24)
Chromosomes are made up of (NCERT Exemplar)
A)
DNA done
clear
B)
Protein done
clear
C)
DNA and protein done
clear
D)
RNA done
clear
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question_answer25)
Functional segments of DNA are called
.(A).... In a cell which is not dividing, the DNA is present as
.(B)... material. Choose the correct option for A and B respectively are
A)
chromosomes, gene done
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B)
gene, chromatin done
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C)
chromatin, gene done
clear
D)
chromosomes, chromatin done
clear
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question_answer26)
The undefined nuclear region of prokaryotes are also known as (NCERT Exemplar)
A)
nucleus done
clear
B)
nucleolus done
clear
C)
nucleic acid done
clear
D)
nucleoid done
clear
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question_answer27)
Cell organelles are present in
A)
cytoplasm done
clear
B)
plasma membrane done
clear
C)
nucleus done
clear
D)
nucleoid done
clear
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question_answer28)
Match the following columns
|
Column I |
|
Column II |
A. |
Cellulose |
1. |
Cytoplasm |
B. |
Chromosomes |
2. |
Functional segment of DNA |
C. |
Cell organelles |
3. |
Plant cell wall |
D. |
Genes |
4. |
Nucleus |
Codes
A)
A-4, B-3, C-2, D-1 done
clear
B)
A-3, B-4, C-1, D-2 done
clear
C)
A-4, B-3, C-1, D-2 done
clear
D)
A-3, B-4, C-2, D-1 done
clear
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question_answer29)
Lipid molecules in the cell are synthesised by (NCERT Exemplar)
A)
smooth endoplasmic reticulum done
clear
B)
rough endoplasmic reticulum done
clear
C)
Golgi apparatus done
clear
D)
plastids done
clear
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question_answer30)
Rough endoplasmic reticulum are site of ...(A)... manufacture, while smooth endoplasmic reticulum helps in manufacture of ...(B)... molecules. Choose the correct option for A and B respectively
A)
lipids, fats done
clear
B)
carbohydrates, fats done
clear
C)
proteins, fats done
clear
D)
vitamins, proteins done
clear
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question_answer31)
Which cell organelle plays a crucial role in detoxifying many poisons and drugs in a cell? (NCERT Exemplar)
A)
Golgi apparatus done
clear
B)
Lysosomes done
clear
C)
Smooth endoplasmic reticulum done
clear
D)
Vacuoles done
clear
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question_answer32)
Endoplasmic reticulum is the site for energy generation.
A)
True done
clear
B)
False done
clear
C)
Can't say done
clear
D)
Partially true or false done
clear
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question_answer33)
The cell organelle involved in forming complex sugars from simple sugars are (NCERT Exemplar)
A)
endoplasmic reticulum done
clear
B)
ribosomes done
clear
C)
plastids done
clear
D)
Golgi apparatus done
clear
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question_answer34)
Lysosome arises from (NCERT Exemplar)
A)
endoplasmic reticulum done
clear
B)
Golgi apparatus done
clear
C)
nucleus done
clear
D)
mitochondria done
clear
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question_answer35)
Silver nitrate solution is used to study
A)
endoplasmic reticulum done
clear
B)
Golgi apparatus done
clear
C)
nucleus done
clear
D)
mitochondria done
clear
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question_answer36)
Which of the following are covered by a single membrane? (NCERT Exemplar)
A)
Mitochondria done
clear
B)
Vacuole done
clear
C)
Lysosome done
clear
D)
Plastid done
clear
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question_answer37)
Organelle other than nucleus, containing DNA is (NCERT Exemplar)
A)
endoplasmic reticulum done
clear
B)
Golgi apparatus done
clear
C)
mitochondria done
clear
D)
lysosome done
clear
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question_answer38)
Mitochondria have two membrane. The outer membrane is very ...(A)..., while the inner membrane is ...(B)...
A)
A-porous, B-deeply folded done
clear
B)
A-folded, B-porous done
clear
C)
A-rigid, B-soft done
clear
D)
A-porous, B-rigid done
clear
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question_answer39)
Mitochondria are able to make their own proteins.
A)
True done
clear
B)
False done
clear
C)
Can't say done
clear
D)
Partially true or false done
clear
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question_answer40)
Which of the following is only present in plant cells?
A)
Plastids done
clear
B)
Endoplasmic reticulum done
clear
C)
Mitochondria done
clear
D)
Golgi apparatus done
clear
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question_answer41)
Kitchen of the cell is (NCERT Exemplar)
A)
mitochondria done
clear
B)
endoplasmic reticulum done
clear
C)
chloroplast done
clear
D)
Golgi apparatus done
clear
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question_answer42)
Match the following columns
|
Column I |
|
Column II |
A. |
Chromoplasts |
1. |
Colourless plastids |
B. |
Leucoplasts |
2. |
Yellow or orange pigments |
C. |
Chloroplasts |
3. |
Coloured plastids |
Codes
A)
A-3, B-1, C-2 done
clear
B)
A-1, B-2, C-3 done
clear
C)
A-2, B-3, C-1 done
clear
D)
A-1, B-3, C-2 done
clear
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question_answer43)
Numerous membrane layer present in chloroplasts are called
A)
cytoplasm done
clear
B)
leucoplasts done
clear
C)
mitochondria done
clear
D)
stroma done
clear
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question_answer44)
Leucoplasts are primarily organelles which stores
A)
protein granules done
clear
B)
oils done
clear
C)
starch done
clear
D)
All of these done
clear
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question_answer45)
Pick out the incorrect statement.
A)
Leucoplast is a colourless plastid done
clear
B)
Cell wall is a non-living structure, mainly composed of cellulose done
clear
C)
Golgi apparatus acts as the site of protein synthesis done
clear
D)
Protoplasm is a life giving substance of a cell done
clear
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question_answer46)
Find out the false statement.
A)
Golgi apparatus is involved with the formation of lysosomes done
clear
B)
Nucleus, mitochondria and plastid have DNA, hence they are able to make their own structural proteins done
clear
C)
Mitochondria is said to be the power house of the cell as ATP is generated in them done
clear
D)
Cytoplasm is called as protoplasm done
clear
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question_answer47)
Storage sacs in plant and animal cells is called
A)
vacuoles done
clear
B)
Golgi apparatus done
clear
C)
mitochondria done
clear
D)
plastids done
clear
View Solution play_arrow
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question_answer48)
Vacuoles are ...(A)... sized in animals cells, while plant cells have very ...(B)... vacuoles.
A)
(A)-large, (B)-small done
clear
B)
(A)-small, (B)-large done
clear
C)
(A)-small, (B)-small done
clear
D)
(A)-large, (B)-large done
clear
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question_answer49)
Select the correct functional role of vacuole in a cell.
A)
Vacuoles do not help in maintaining rigidity of cell done
clear
B)
Vacuoles form thread-like tail in sperms of many mammals done
clear
C)
Vacuoles expell excess water and waste products from the cell done
clear
D)
Vacuoles store only excretory products of a cell done
clear
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question_answer50)
Choose the incorrect statement.
A)
Lysosomes form the garbage disposal system of animal cells done
clear
B)
Ribosome carries out the synthesis of proteins done
clear
C)
Liquid content of the vacuole in a plant cell is called cell sap done
clear
D)
The colourless plastid that stores proteins lipids and starch is named xanthophyll done
clear
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question_answer51)
Match the following columns.
|
Column I |
|
Column II |
A. |
Mitochondria |
1. |
Storage sacs |
B. |
Lysosomes |
2. |
Protein synthesis |
C. |
Vacuoles |
3. |
Power house of the cell |
D. |
Ribosomes |
4. |
Suicidal bags |
Codes
A)
A-1, B-2, C-3, D-4 done
clear
B)
A-4, B-3, C-2, D-1 done
clear
C)
A-3, B-4, C-1, D-2 done
clear
D)
A-4, B-3, C-1, D-2 done
clear
View Solution play_arrow