Question 1
1 Mark
Which of the following can be made into crystal?
Options
Option A
A Bacterium
Option B
An Amoeba
Option C is correct
A Virus
Option D
A Sperm
Questions & Answers: "The Fundamental Unit of Life"
Complete guide to "The Fundamental Unit of Life" for Biology students. Below you will find important questions and model answers to help you prepare.
29 Questions
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Question 2
1 Mark
A cell will swell up if
Options
Option A
The concentration of water molecules in the cell is higher than the concentration of water molecules in surrounding medium
Option B is correct
The concentration of water molecules in surrounding medium is higher than water molecules concentration in the cell
Option C
The concentration of water molecules is same in the cell and in the surrounding medium
Option D
Concentration of water molecules does not matter
Question 3
1 Mark
Chromosomes are made up of
Options
Option A
DNA
Option B
protein
Option C is correct
DNA and protein
Option D
RNA
Question 4
1 Mark
Which of these options are not a function of Ribosomes? (i) It helps in manufacture of protein molecules (ii) It helps in manufacture of enzymes (iii) It helps in manufacture of hormones (iv) It helps in manufacture of starch molecules
Options
Option A
(i) and (ii)
Option B
(ii) and (iii)
Option C is correct
(iii) and (iv)
Option D
(iv) and (i)
Question 5
1 Mark
Which of these is not related to endoplasmic reticulum?
Options
Option A
It behaves as transport channel for proteins between nucleus and cytoplasm
Option B
It transports materials between various regions in cytoplasm
Option C is correct
It can be the site of energy generation
Option D
It can be the site for some biochemical activities of the cell
Question 6
1 Mark
Following are a few definitions of osmosis (Read carefully and select the correct definition)
Options
Option A is correct
Movement of water molecules from a region of higher concentration to a region of lower concentration through a semipermeable membrane
Option B
Movement of solvent molecules from its higher concentration to lower concentration
Option C
Movement of solvent molecules from higher concentration to lower concentration of solution through a permeable membrane
Option D
Movement of solute molecules from lower concentration to higher concentration of solution through a semipermeable membrane
Question 7
1 Mark
Plasmolysis in a plant cell is defined as
Options
Option A
break down (lysis) of plasma membrane in hypotonic medium
Option B is correct
shrinkage of cytoplasm in hypertonic medium
Option C
shrinkage of nucleoplasm
Option D
none of them
Question 8
1 Mark
Which of the following are covered by a single membrane?
Options
Option A
Mitochondria
Option B is correct
Vacuole
Option C
Lysosome
Option D
Plastid
Question 9
1 Mark
Find out the false sentences
Options
Option A is correct
Golgi apparatus is involved with the formation of lysosomes
Option B
Nucleus, mitochondria and plastid have DNA; hence they are able to make their own structural proteins
Option C
Mitochondria is said to be the power house of the cell as ATP is generated in them.
Option D
Cytoplasm is called as protoplasm.
Question 10
1 Mark
Find out the correct sentence
Options
Option A is correct
Enzymes packed in Lysosomes are made through RER (rough endoplasmic reticulum)
Option B
Rough endoplasmic reticulum and smooth endoplasmic reticulum produce lipid and protein respectively
Option C
Endoplasmic reticulum is related with the destruction of plasma membrane
Option D
Nucleoid is present inside the nucleoplasm of eukaryotic nucleus
Question 11
1 Mark
Which cell organelle plays a crucial role in detoxifying many poisons and drugs in a cell?
Options
Option A
Golgi apparatus
Option B
Lysosomes
Option C is correct
Smooth endoplasmic reticulum
Option D
Vacuoles
Question 12
1 Mark
The proteins and lipids, essential for building the cell membrane, are manufactured by
Options
Option A is correct
rough endoplasmic reticulum
Option B
golgi apparatus
Option C
plasma membrane
Option D
mitochondria
Question 13
1 Mark
The undefined nuclear region of prokaryotes are also known as
Options
Option A
nucleus
Option B
nucleolus
Option C
nucleic acid
Option D is correct
nucleoid
Question 14
1 Mark
The cell organelle involved in forming complex sugars from simple sugars are
Options
Option A
endoplasmic reticulum
Option B
ribosomes
Option C
plastids
Option D is correct
golgi apparatus
Question 15
1 Mark
Which out of the following is not a function of vacuole?
Options
Option A
Storage
Option B
Providing turgidity and rigidity to the cell
Option C
Waste excretion
Option D is correct
Locomotion
Question 16
1 Mark
Amoeba acquires its food through a process, termed
Options
Option A
exocytosis
Option B is correct
endocytosis
Option C
plasmolysis
Option D
exocytosis and endocytosis both
Question 17
1 Mark
Cell wall of which one of these is not made up of cellulose?
Options
Option A is correct
Bacteria
Option B
Hydrilla
Option C
Mango tree
Option D
Cactus
Question 18
1 Mark
Silver nitrate solution is used to study
Options
Option A
endoplasmic reticulum
Option B is correct
golgi apparatus
Option C
nucleus
Option D
mitochondria
Question 19
1 Mark
Organelle other than nucleus, containing DNA is
Options
Option A
endoplasmic reticulum
Option B
golgi apparatus
Option C is correct
mitochondria
Option D
lysosome
Question 20
1 Mark
Kitchen of the cell is
Options
Option A
mitochondria
Option B
endoplasmic reticulum
Option C is correct
chloroplast
Option D
golgi apparatus
Question 21
1 Mark
Lipid molecules in the cell are sythesized by
Options
Option A is correct
smooth endoplasmic reticulum
Option B
rough endoplasmic reticulum
Option C
golgi apparatus
Option D
plastids
Question 22
1 Mark
Cell arises from pre-existing cell was stated by
Options
Option A
Haeckel
Option B is correct
Virchow
Option C
Hooke
Option D
Schleiden
Question 23
1 Mark
Cell theory was given by
Options
Option A is correct
Schleiden and Schwann
Option B
Virchow
Option C
Hooke
Option D
Haeckel
Question 24
1 Mark
The only cell organelle seen in prokaryotic cell is
Options
Option A
mitochondria
Option B is correct
ribosomes
Option C
plastids
Option D
lysosomes
Question 25
1 Mark
Organelle without a cell membrane is
Options
Option A is correct
ribosome
Option B
golgi apparatus
Option C
chloroplast
Option D
nucleus
Question 26
1 Mark
Question 27
1 Mark
Lysosome arises from
Options
Option A
endoplasmic reticulum
Option B is correct
golgi apparatus
Option C
nucleus
Option D
mitochondria
Question 28
1 Mark
Living cells were discovered by
Options
Option A
Robert Hooke
Option B
Purkinje
Option C is correct
Leeuwenhoek
Option D
Robert Brown
Question 29
1 Mark
Select the odd one out
Options
Option A
The movement of water across a semi permeable membrane is affected by the amount of substances dissolved in it.
Option B
Membranes are made of organic molecules like proteins and lipids.
Option C
Molecules soluble in organic solvents can easily pass through the membrane.
Option D is correct
Plasma membranes contain chitin sugar in plants.