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Consider the following cellular functions :
A: Transport of substances
B: Synthesis of proteins
C: Synthesis of steroidal hormones
D: Glycogen metabolism
E: Detoxification of drugs
F: Giving rise to sphaerosomes
ER helps in how many of the above functions ?
1. two
2. four
3. six
4. five

The eukaryotic cell structure, which controls the activities of organelles and also plays a major role in heredity is :
1. Nucleoli
2. Nucleus
3. Nucleoid
4. Mitochondria

Select the incorrect statement :

" One of the most important functions of the plasma membrane is the transport of molecules."Which of the following is correct with respect to this statement ?
1. Polar molecules can pass easily through the lipid bilayer
2. The membrane does not support passive transport
3. Neutral solutes require a carrier protein of membrane for transport
4. The membrane is selectively permeable to some molecules present on either side of it 

Read the following statements
A - Mitochondria help in generation of adenosine triphosphate
B - The outer mitochondrial membrane folds into several cristae
1. Only B is incorrect
2. Both A and B are correct
3. Only A is incorrect
4. Both A and B are incorrect

The function like delivery of packaged material either to the intracellular targets or secreted outside the cell is principally performed by :
1. Lysosomes
2. Golgi body
3. Vacuole
4. ER

Mitochondria and plastids are similiar in all of the following aspects, except :
1. Possess circular ds-DNA
2. Have endo-symbiotic origin
3. Are the sites of carbohydrate bio-synthesis
4. Divide by fission

Select the incorrect match :
1. Thylakoids - contain chlorophyll pigments
2. Chromoplasts - contain xanthophylls
3. Leucoplast- Stores tannin and resin
4. Food vacuoles  - Have food particles

Lysosomes are :
1. Double membrane bound vesicular structures
2. Rich in few hydrolases
3. Formed by packaging in Golgi apparatus
4. Formed by engulfing the food particles

Choose the correct statement with respect to the following diagram :

1. Section of flagella showing different parts seen in eukaryotes and prokaryotes
2. It shows the cartwheel organisation with 9 + 0 microtubular arrangement
3. They form structures which cause movement 
4. It forms structure which is not covered by any membrane

Chromosome with one shorter arm and no longer arm, having centromere slightly away from middle is :
1. Acrocentric
2. Metacentric
3. Sub-metacentric
4. Telocentric

How many of the following features are associated, with the endomembrane system ?
Synthesis of steroidal hormones; Digestion of food, storage of waste, storage of proteins; synthesis of ATP; formation of glycolipid
1. Four
2. Three
3. Five
4. Two

Select the odd one out with respect to ribosomes :
1. Synthesised inside the nucleus in eukaryotes
2. Composed of DNA and proteins
3. Not surrounded by any membrane
4. Prokaryotic ribosomes are 70 S

Select the correct statement :
1. Centrioles form the basal body of cilia and flagella
2. Secondary constrictions on the chromosomes do not have a constant location
3. Microbodies are present in plant cells only
4. Nucleoli are less in number in cells undergoing protein synthesis

The membrane bound space found in the cytoplasm :
1. Is active site for ribosomal RNA synthesis
2. Helps in protein synthesis
3. Contains water, sap, excretory product
4. Forms the spindle apparatus

Select the incorrect match :
1. Cristae - Increase the surface area
2. Amyloplast - stores starch
3. Inner nuclear membrane -  Bears ribosomes
4. Kinetochore - Attachment site for spindle fibre

Which of the following is not membrane bound cell organelle present in the cell of mango plant ?
1. Mitochondria
2. Chloroplast
3. Ribosome
4. Centriole

Find the incorrect statement:
1. Middle lamella is mainly made up of calcium pectate
2. Cell wall is formed on the inner side of the cell therefore secondary wall formed first
3. Middle lamella glues the neighbouring cells together
4. Cell wall helps in cell to cell interaction and provides barrier to undesirable macromolecules

Transitional vesicles enclosing biochemicals pinched off from ER fuse with :
1. Maturing face of golgi body
2. Forming face of golgi body
3. Primary lysosome for intracellular digestion
4. Plasma membrane to remove them from cell

According to fluid mosaic model of plasma membrane the quasifluid nature of :
1. Protein enables lateral movement of lipids within the overall bilayer
2. Lipid and protein enable the lateral movement of carbohydrates
3. Lipid enables lateral movement of proteins within the overall bilayer
4. Lipid enables the flip-flop movement of proteins

Cell theory formulated by Schleiden and Schwann does not explain one of the following features ?
1. Organisms are composed of cells and their products 
2. All cells are basically alike in their structure and metabolism 
3. New cells originate from pre-existing cells
4. The functions of an organism is an outcome of activities and interactions of its constituent cells

The enzymes present in lysosomes belong the class ____ and acidic condition inside the lysosome is maintained by ___:
1. Oxidoreductases, pumping protons
2. Hydrolases, secretion of acids
3. Hydrolases, pumping of protons
4. Lyases, removal of hydroxyl ions

Which of the following feature is common in all types of plastids?
1. Double membrane
2. Presence of chlorophyll
3. Storage nature
4. Presence of linear DNA

A nuclear pore allows:
1. Unidirectional movement of DNA
2. RNA movement only
3. RNA and protein movement
4. Protein movement only

Correct statement in relation to vacuoles is :
1. It is a triple membrane bound space found in cytoplasm containing sap
2. It can occupy 90% of cell volume in plants
3. Its membrane allows transport of materials along the concentration gradient only
4. Concentration of ions is significantly lesser in vacuole than cytoplasm

Glycosylation, general secretion and recycling of broken plasma membrane are functions specifically performed by:
1. Glyoxysome
2. SER
3. RER
4. Golgi complex

Which of the following membrane proteins are partially or totally buried in cell membrane?
1. Integral proteins
2. Peripheral proteins
3. Both
4. Glycoproteins

Fluid mosaic model was given by Singer and Nicolson in the year _________
1. 1972
2. 1976
3. 1982
4. 1986

The ability of proteins to move laterally within the membrane is measured as
1. mobility
2. flexibility
3. fluidity
4. none

Functions of cell wall in eukaryotic cells
1. give shape to cell
2. prevent from mechanical damage
3. protect from infection
4. all

Which of the following wall is capable of growth in a plant cell?
1. Primary wall
2. Secondary wall
3. Both
4. Middle lamella

In 30 S and 40 S ribosomes, 'S' stands for
1. sub-unit
2. Svedberg's unit
3. single unit
4. size

Select correct matching :

1. A-3, B-1, C-2
2. A-1, B-2, C-3
3. A-3, B-2, C-1
4. A-2, B-3, C-1

Outer membrane of nucleus remains continuous with which cell organelle
1. ER
2. Golgi body
3. Lysosome
4. All

Perinuclear space is about
1. 1-5 nm
2. 5-10 nm
3. 10-50 nm
4. > 100 nm

RER is frequently seen in cells associated with frequent synthesis and secretion of
1. lipid
2. glucose
3. protein
4. all

Amount or number of mitochondria in a cell depends on
1. anatomical structure of cell
2. size of cell
3. colour and contour of the cell
4. physiological activity of cell

How is new mitochondria formed by pre-existing ones?
1. Mitosis
2. Fission
3. Conjugation
4. Budding

A elaborate network of filamentous proteinaceous structures present in the cytoplasm is collectively known as 
1. Cilia
2. Flagella
3. Cytoskeleton
4. ER

The central part of the centriole is proteinaceous and is known as
1. Spokes
2. Doublet
3. Hub
4. Linkers

Ribosomes in eukaryotes attach to endoplasmic reticulum by their:
1.  50S sub-unit
2.  60S sub-unit
3.  40S sub-unit
4.  40S sub-unit
4.  More than one option is correct 

Which of the following structure in a chromosome can be used as a marker?
1.  Telomere
2.  Satellite
3.  Chromocentre
4.  Kinetochore 

Which of the following is incorrect 
1.  The nucleolus is not a membrane-bound structure 
2.  Active cells have less nucleoli
3.  The nucleolus is present in hte nucleoplasm
4.  The nucleolus is iste for active rRNA synthesis

A large number of proteins made by the ribosomes get modified in
1.  Lysosomes
2.  Trans face of Golgi apparatus
3.  Cisternae of Golgi apparatus
4.  Smooth endoplasmic reticulum 

Three of the following statements regarding cell organelles are correct while one is wrong. Which one is wrong?
(1) Lysosomes are double membraned vesicles budded off from golgi bodies and contain digestive enzymes.
(2) Endoplasmic reticulum consists of a network of membranous tubules and helps in transport, synthesis and secretion.
(3) Leucoplasts are bound by two membranes, lack pigments but contain their own DNA and protein synthesizing machinery.
(4) Sphaerosomes are single membrane bound and are associated with synthesis and storage of lipids.