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WorksheetsFundamental unit of life
Total questions: 40
Worksheet time: 1hrs 3mins
Who discovered nucleus
Robert Hooke
Robert Brown
Leewenhoek
Camillo Golgi
Identify A,B,C and D
A – Nucleus; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm
A – Nucleons; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm
A – Nucleolus; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm
A – Nucleolus; B – Chromatin; C – Nuclear membrane; D – Nuclear wall
Which of the following are examples of prokaryotes?
Algae
Fungi
Bacteria
Protozoa
The process of plasmolysis in plant cell is defined as:
Breakdown of plasma membrane in hypotonic solution.
Shrinkage of cytoplasm in hypertonic medium.
Shrinkage of Nucleoplasm.
None of these
Name the organelles that contain their own genetic material :
Plastid
Golgi body
Mitochondria
Lysosome
Meiotic division takes place in :
Meristematic cells
Conductive cells
Vegetative cells
Reproductive cells
How many pairs chromosomes are found in human zygote?
23
46
92
69
Rudolph Virchow said that
All organisms are made of cells
Cell is the basic unit of life
New cells come from pre-existing cells
None of the above
A prokaryotic cell has
Nucleus, cell membrane, cytoplasm
Nucleus, mitochondria, cell membrane
Nucleoid, cell membrane, ribosomes
Nucleoid, cell wall, mitochondria
The colour of flowers and fruits is due to
Chromoplasts
Chloroplasts
Leucoplasts
None of the above
The two organelles which have their own DNA are
Ribosomes and Golgi bodies
Chloroplasts and lysosomes
Chloroplasts and mitochondria
Mitochondria and vacuoles
Genetic material of a Eukaryotic cell is contained in
Nucleolus
Nucleoplasm
Nucleoid
Nucleus
Nucleolus is a site of
Protein Synthesis
Ribosome Synthesis
mRNA Synthesis
Enzyme Synthesis
Rough ER Contains
Detoxification
Carbohydrate Synthesizing machinery
Ribosomes
Lysosomes
Centrosome occurs in
Plant cell
Animal cell
Animal cell and some lower cells
All of these
Schlieden and ___________proposed cell theory.
Schwann
Purkinje
Newton
Virchow
Organelle A is involved in membrane biogenesis and as a result organelle B is formed. Find out A and B
A. ER B.cytoplasm
A. ER B.cell membrane
A.Golgi complex B.vacuoles
A. Ribosomes B.cellembrane
Which process is considered as cell drinking?
Phagocytosis
Endocytosis
Exocytosis
Pinocytosis
Cell wall of fungi is composed of
Chitin
Cellulose
Polysaccharides
Peptidoglycon
The cellular organelle present in abundance in liver cells which performs the functions of detoxification.
Golgi complex
Smooth ER
Rough ER
Ribosomes
A is called as unit of inheritance and B is called as blue print of life.
Find out A and B
A.protein B. Carbohydrates
A. Genes B.chromosomes
A.Genes B.DNA
A.DNA. B. nucleolus
Sorting of materials take place here.
Golgi complex
RER
Ribosomes
Cytoskeleton
3. Name the process in which movement of molecules occurs from low concentration to high concentration with the help of energy.
Passive ttransport
Diffusion
Active transport
Facilitated transport
How many daughter cells are produced at the end of meiosis?
1
2
3
4
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
20
40
80
160
Mitosis is responsible for growth, repair, and maintenance in an organism because
it occurs at a faster rate than meiosis
the chromosome number is reduced by half
exact duplicates of each mother cell are produced
it is the only process that involves replication of genetic material
What organelle is called the "powerhouse" of a cell?
mitochondria
nucleus
cell wall
cell membrane
Which of the following are prokaryotic cells?
Plant
Animal
Bacteria
Plant and Animal
What is the difference between mitochondria and chloroplast?
Mitochondria produces energy and chloroplasts breaks down energy
There is no difference. They are the same.
Mitochondria breaks down energy from food and chloroplasts produce energy from sunlight.
Mitochondria contains DNA and chloroplasts are green
"Post office" of the cell that packages proteins and fats:
ER
Golgi Body
Nucleus
Cytoplasm
