Biology/CELL STRUCTURES AND FUNCTION Sample Test,Sample questions

Question:
) Which is not a trait of enzymes? ...

1.Proteinaceous nature

2.Specific in nature

3.Speed up ate of biochemical reaction

4.Used up in reaction

Posted Date:-2019-03-16 10:33:48


Question:
A fatty acid not synthesised in human body i

1.Cholesterol

2.Linoleic acid

3.Glycerol

4.None of the above

Posted Date:-2019-03-16 10:37:09


Question:
A nucleotide is ...

1.Sugar + Phosphate

2.Base + Sugar + Phosphate

3.base + Sugar - OH

4.(Base + Sugar+Phosphate)n

Posted Date:-2019-03-16 10:47:27


Question:
A storage protein is ...

1.Keratin

2.Collagen

3.Haemoglobin

4.Glutelin/Globulin

Posted Date:-2019-03-16 10:38:35


Question:
All enzymes are proteins". This statement is now modified because of exception to this

1.Arylsulphate

2.Ribozyme

3.Nitroreductase

4.Dehydrogenase

Posted Date:-2019-03-16 09:40:37


Question:
Assembly of two subunits 40 S and 60 S of the ribosome is

1.100S unit

2.80S unit

3.70A unit

4.90S unit

Posted Date:-2019-03-16 06:53:05


Question:
Bacterial cell wall is made up of

1.N-acetyl glucosamine

2.N-acetyl muramic acid

3.Both a and b

4.N-acetyl glucosamine, N-acetyl muramic acid and amino acids

Posted Date:-2019-03-16 10:17:50


Question:
Base pairs present in one turn of DNA are

1.12

2.11

3.10

4.9

Posted Date:-2019-03-16 10:44:13


Question:
Calcium is required for functioning of enzyme ...

1.Fumarase

2.ATP-ase

3.Succinate thiokinase

4.Isocitrate dehydrogenase

Posted Date:-2019-03-16 10:32:01


Question:
Cell theory states 

1.All cells are living

2.All cells have nucleus

3.Cells are fundamental structural unit of living organisms

4.Cell reproduce by mitosis and meiosis

Posted Date:-2019-03-15 20:47:23


Question:
Cellulose is a polymer of D-glucose units joined by

1.β 1-6 linkage

2.β 1-4 linkage

3.α 1-6 linkage

4.α 1-4 linkage

Posted Date:-2019-03-16 10:25:20


Question:
Chitin occurs in ...

1.Crab

2.caterpillar

3.Agaricus

4.All the above

Posted Date:-2019-03-16 07:30:22


Question:
Chitinous cell wall is present in

1.Plant

2.Bacteria

3.Protists

4.Fungi

Posted Date:-2019-03-16 10:22:36


Question:
Chlorzinc Iodide is used to stain

1.Cellulose

2.Lignin

3.Pectin

4.Hemicellulose

Posted Date:-2019-03-16 10:28:01


Question:
Choose the correct statement

1.All proteins have 20 amino acids

2.Both ends of protein are similar

3.All proteins are soluble

4.Proteins are formed by peptide bonds

Posted Date:-2019-03-16 07:16:45


Question:
Coenzyme is ....

1.Often a vitamin

2.Always an inorganic compound

3.Always a protein

4.Often a metal

Posted Date:-2019-03-16 07:22:58


Question:
Coenzyme is often a ... ..

1.Carbohydrate

2.Protein

3.Vitmin

4.Fatty acid

Posted Date:-2019-03-16 10:45:52


Question:
Cristae are

1.The membraneous infolding’s of the outer membrane of mitochondria

2.the jelly like central matrix of mitochondria

3.The membraneous infolding’s of the inner membrane of mitochondria

4.enzymes located on the inner mitochondrial membrane

Posted Date:-2019-03-16 07:17:37


Question:
Destructive effect of high temperature on enzyme action is due to

1.Formation of linkage between apoenzyme and its cofactor

2.Acceleration of reverse reaction

3.Destructive of tertiary and quaternary structure of enzymes

4.All of these

Posted Date:-2019-03-15 20:54:49


Question:
Detoxification of lipid soluble drugs and other harmful compounds in ER is carried out by cytochrome 

1.C

2.a1-a2

3.b - f

4.P450

Posted Date:-2019-03-15 20:50:52


Question:
Energy currency/coin of cell is ....

1.ATP

2.NAD

3.ADP

4.GDP

Posted Date:-2019-03-16 09:41:48


Question:
Energy is stored in liver and muscles as ...

1.Fat

2.Protein

3.Glycogen

4.Glucose

Posted Date:-2019-03-16 07:24:18


Question:
Enzyme are polymers of ...

1.Fatty acids

2.Amino acids

3.Hexose sugar

4.Inorganic phosphate

Posted Date:-2019-03-16 09:44:33


Question:
Enzymes enhance rate of reaction by ...

1.Combining with product

2.Forming reactant product complex

3.Changing equilibrium of reaction

4.Lowering activation energy

Posted Date:-2019-03-16 10:20:33


Question:
Enzymes having slightly different molecular structure but performing identical activity are ...

1.Homoenzymes

2.Isoenzymes

3.Apoenzymes

4.Coenzymes

Posted Date:-2019-03-16 07:28:44


Question:
Experiments demonstrating the importance of the nucleus in controlling the growth of the cell was performed in

1.Neurospora

2.Star fish

3.Acetabularia

4.Leucocytes

Posted Date:-2019-03-16 06:43:18


Question:
F0-F1 particles meant for ATP synthesis are present on

1.outer mitochondrial membrane attached to the cytosolic or C face

2.inner mitochondrial membrane attached to the Matrix or M face

3.inner mitochondrial membrane attached to the cytosolic or C face

4.outer mitochondrial membrane attached to the Matrix or M face

Posted Date:-2019-03-16 07:19:10


Question:
Feedback inhibition is caused by blocking of enzymes by ... .

1.Accumulated end products

2.Chemicals produced by hormones

3.Hormones

4.Competitive inhibition

Posted Date:-2019-03-16 10:25:24


Question:
Fine cytoplasmic connections between neighbouring cells through the cell wall for cell to cell communication is called

1.Plasmosome

2.Plasmodesmata

3.Mesosome

4.All of these

Posted Date:-2019-03-16 10:34:01


Question:
Glucose is stored as glycogen in ...

1.Pancreas

2.Bone

3.Kidney

4.Liver

Posted Date:-2019-03-16 07:31:39


Question:
Identify the non -membraneous organelle from the following

1.Nucleus

2. Chloroplasts

3.ER

4.Ribosomes

Posted Date:-2019-03-16 06:41:19


Question:
In higher plants, the shape of the
chloroplast is

1.Cup shaped

2.Girdle shaped

3.Ribbon shaped

4.Discoid

Posted Date:-2019-03-16 06:49:48


Question:
In RER, ribosomes are located on

1.the cytoplasmic side

2.on the luminal side

3.all through out

4.Both A and B

Posted Date:-2019-03-16 07:29:11


Question:
Living cell contains 60-75% water. Water present in human body is ...

1.60-65%

2.50-55%

3.75-80%

4.65-70%

Posted Date:-2019-03-16 10:13:42


Question:
Match the column ... .... [ kerala 2010]
a) Sulphur	1. Chlorophyll
b) Zinc	2. Nitrogenase
c) Magnesium	3. Methionine
d) Molybdenum	4. Auxin

1.a - 1, b - 2, c - 3, d -

2.a - 3, b - 4, c - 1, d - 2

3.a - 3, b - 1, c - 2, d - 4

4.a - 2, b - 4, c- 1, d - 3

Posted Date:-2019-03-16 07:27:25


Question:
Match the following:
Column I	Column II
a. Transport protein	1. Insulin
b. Regulatory protein (Hormone)	2. Enzymes
c. Sensory or receptor protein	3. Antibody
d. Protective protein (Defence)	4. Ro

1.a= 6; b= 1; c = 4; d= 3; e= 5; f= 2; g= 7

2.a= 6; b= 1; c = 4; d= 3; e= 2; f= 5; g= 7

3.a= 6; b= 4; c = 1; d= 3; e= 5; f= 2; g= 7

4.a= 6; b= 4; c = 1; d= 3; e= 2; f= 5; g= 7

Posted Date:-2019-03-16 06:46:14


Question:
Microfilaments are composed mainly of a protein called

1.Tubulin

2.Actin

3.Myosin

4.Chitin

Posted Date:-2019-03-16 06:42:17


Question:
Middle lamella is made up of pectin. Pectin is chemically

1.Polymer of D-glucose units

2.Glucoronic and galacturonic acid

3.Heteropolymer of xylose, mannose and arabinose

4.N-acetyl glucosamine and N-acetyl muramic acid

Posted Date:-2019-03-16 10:30:16


Question:
Mitoplast are

1.mitochondrial plastids

2.mitochondria without inner membrane

3.mitochondria without outer membrane

4.mitochondria without membranes

Posted Date:-2019-03-16 07:23:52


Question:
Mitoplast are

1.mitochondrial plastids

2.mitochondria without inner membrane

3.mitochondria without outer membrane

4.mitochondria without membranes

Posted Date:-2019-03-16 07:23:53


Question:
Most abundant component of cell is 

1.Protein

2.Water

3.Cellulose

4.Lipid

Posted Date:-2019-03-16 09:37:52


Question:
Myocardial muscle cells have numerous large mitochondria called as

1.myosomes

2.myocardial mitochondrions

3.mitosomes

4.sarcosomes

Posted Date:-2019-03-16 07:12:52


Question:
NAD is ...

1.Nicotinamide adenosine diphosphate

2.Nicotine adenosine phosphate

3.Nicotinamide adenine dinucleotide

4.None of the above

Posted Date:-2019-03-16 10:15:12


Question:
Nicotine and cocaine are ....

1.Peptides

2.Tannins

3.Alkaloids

4.Resin

Posted Date:-2019-03-16 10:21:52


Question:
Omnis cellula e cellula is generalisation given by

1.Lamarck

2.Dutrochet

3.Leeuwenhoek

4.Virchow

Posted Date:-2019-03-15 20:48:34


Question:
On hydrolysis, nucleoside does not yield

1.Phosphoric acid.

2.Pentose sugar.

3.Purines.

4.Pyramidine.

Posted Date:-2019-03-15 20:51:12


Question:
Pectin is stained using

1.Iodine

2.Ruthenium red

3.acetocrmine

4.Sudan III

Posted Date:-2019-03-16 10:23:51


Question:
Plant cell wall is made up of

1.Cellulose, hemicelluloses and pectin

2.Cellulose, hemicelluloses and chitin

3.Cellulose only

4.Cellulose and chitin

Posted Date:-2019-03-16 10:21:38


Question:
Plant cell wall mainly composed of

1.Starch

2.Protien

3.Carbohydrates

4.Cellulose

Posted Date:-2019-03-16 06:47:09


Question:
Protein glycosylation occurs in the

1.lumen of lysosomes

2.lumen of smooth endoplasmic reticulum

3.lumen of rough endoplasmic reticulum

4.lumen of mitochondria

Posted Date:-2019-03-16 07:40:22


Question:
Read the following statements:	
(i) The polysaccharides made up of glucose monomers are cellulose, glycogen and starch.
(ii) Fructose is the sweetest natural sugar.
(iii) Glycine is the simplest am

1.Four

2.Five

3.Three

4.Two

Posted Date:-2019-03-15 20:52:52


Question:
Read the statements ... ... [ kerala 2008]
i) Element important for production of thyroxine is iodine
ii) Vitamin B6 is niacin or nicotinic acid
iii) Fructose is a hexose monosaccharide
iv) Globul

1.a, b, c are correct, d is wrong

2.a, c are correct, b, d are wrong

3.a, b are correct, c, d are wrong

4.a is correct, b, c d are wrong

Posted Date:-2019-03-16 10:35:43


Question:
RER is involved in the synthesis of

1.Membrane proteins and secretory proteins and nuclear proteins

2.Membrane proteins, secretory proteins and lysosomal proteins

3.Different proteins of the cell

4.Membrane proteins and secretory proteins

Posted Date:-2019-03-16 07:38:08


Question:
Ribophorins are

1.transmembrane glycoprotein on RER

2.luminal proteins on RER

3.luminal proteins on SER

4.transmembrane glycoprotein on SER

Posted Date:-2019-03-16 07:41:48


Question:
Rough Endoplasmic Reticulum is called ‘rough’ because

1.rough texture of the surface

2.surface is studded with membrane proteins

3.surface is studded with ribosomes

4.All of these

Posted Date:-2019-03-16 07:36:51


Question:
Secondary cell wall of plants is

1.Located outside the primary wall

2.Located inside the plasma membrane

3.Located inside the primary wall

4.Located just beneath middle lamellae

Posted Date:-2019-03-16 10:41:51


Question:
Select the correct answer from the following statements ... ..1) Cutin is fatty acid polymer2) Starch is glucose polymer3) Sucrose is monosaccharide4) Maltose is polymer of fructos

1.1, 2, 3 are correct

2.1 and 2 are correct

3.2 and 4 are correct

4.1 and 3 are correct

Posted Date:-2019-03-16 10:51:09


Question:
Semiautonomous organelle in the cell is

1.Chloroplasts

2.Peroxisomes

3.Gogibodies

4.ER

Posted Date:-2019-03-16 06:38:50


Question:
SER in the retinal cells are called as

1.Amyloid bodies

2.Myeloid bodies

3.Retinal reticulam

4.Sarcoplasmic reticulum

Posted Date:-2019-03-16 07:31:31


Question:
SER is involved in

1.Phospholipid biosynthesis and detoxification reaction

2.Phospholipid biosynthesis

3.Protien synthesis

4.Phospholipid biosynthesis and protein synthesis

Posted Date:-2019-03-16 07:30:16


Question:
Smooth endoplasmic reticulam is the site of

1.Carbohydrates synthesis

2.Protien synthesis

3.Lipid synthesis

4.Amino acid synthesis

Posted Date:-2019-03-16 06:48:51


Question:
Statement 1: Competitive inhibitor is also called substrate analogue. 
Statement 2: It resembles the enzyme in structure.

1.Both statements -1 and statement - 2 are true and statement - 2 is the corr

2.Both statements -1 and statement - 2 are true but statement - 2 is not the

3.Statement -1 is true and statement - 2 is false.

4.Statement -1 is false and statement - 2 is true.

Posted Date:-2019-03-16 06:43:54


Question:
Steroid hormones have receptors predominantly on

1.cell surface

2.Cytoplasm

3.both cell surface and cytoplasm

4.inside nucleus only

Posted Date:-2019-03-16 10:46:31


Question:
Temperature is increased from 3° to 40°. The rate of enzyme controlled biochemical reaction will ...

1.Not change

2.Increase

3.Increase initially and then decrease

4.Decrease

Posted Date:-2019-03-16 10:41:38


Question:
The cell theory is not applicable to

1.Virus

2.Fungi

3.Bacteria

4.Algae

Posted Date:-2019-03-16 06:37:18


Question:
The form in which sugar is present in sugarcane ...

1.Maltose

2.Sucrose

3.Fructose

4.Glucose

Posted Date:-2019-03-16 10:39:46


Question:
The functions of RER include

1.Protein synthesis and post translational modification

2.Protein synthesis and phospholipid biosynthesis

3.Protein synthesis

4.Protein synthesis and detoxification

Posted Date:-2019-03-16 07:32:52


Question:
The hormone adrenaline is formed from __________ amino acids

1.Tyrosine

2.Glycine

3.Alanine

4.Tryptophan

Posted Date:-2019-03-16 06:41:48


Question:
The longer the fatty acid chain, fluidity of the lipid bi layer

1.increases

2.decreases

3.no change in fluidity

4.none of the above

Posted Date:-2019-03-16 10:50:02


Question:
The main function of Centrosome is

1.Formation of spindle fibre

2.Osmoregulation

3.Protien synthesis

4.Secretion

Posted Date:-2019-03-16 06:51:28


Question:
The major biomolecule responsible for selective uptake of materials across plasma membrane

1.Protein

2.Carbohydrate

3.Lipids

4.Phospholipids

Posted Date:-2019-03-16 10:48:18


Question:
The membrane around the vacuole is called

1.Cytoplast

2.Tonoplast

3.Amyloplast

4.elaioplast

Posted Date:-2019-03-16 06:40:25


Question:
The most essential of the fatty acids is ...

1.Arachidonic acid

2.Linolenic acid

3.Linoleic acid

4.Oleic acid

Posted Date:-2019-03-16 09:36:40


Question:
The number of mitochondria in a cell depends

1.pH of the cell

2.Shape of the cell

3.Both A&B

4.Functional state of cell

Posted Date:-2019-03-16 07:14:05


Question:
The subunit of prokaryotic ribosomes are

1.60 S+40 S

2.60 S+30 S

3.50 S+30 S

4.70 S+30 S

Posted Date:-2019-03-16 06:46:06


Question:
The term cell was coined by

1.Robert hooke

2.Schwann

3.Tatum

4.de Bary

Posted Date:-2019-03-16 06:36:05


Question:
The term ‘ endoplasmic reticulum’ was coined by

1.Pomaret

2.Johnson

3.Porter

4.Reinert

Posted Date:-2019-03-16 07:27:12


Question:
Two polypeptide chains are joined by hydrogen bonds to produce ...

1.-helix

2.Tertiary structure

3.β-pleated sheet

4.All the above

Posted Date:-2019-03-16 10:16:45


Question:
Which is not a protein ...

1.Trypsin

2.Collagen

3.Rubisco

4.N-Acetylglucosamine

Posted Date:-2019-03-16 09:43:02


Question:
Which is not correct? ...

1.All enzymes are biocatalysts

2.All proteins are enzymes

3.All enzymes are proteins

4.All enzymes are thermolabile

Posted Date:-2019-03-16 10:23:25


Question:
Which is not true of enzymes? ...

1.They are specific

2.They are made of globular proteins

3.Enzymes are most active at maximum temperature

4.They are most active at optimum temperature

Posted Date:-2019-03-16 10:18:27


Question:
Which of the following element is present in very less quantity in the body

1.K

2.Ca

3.Mg

4.Cu

Posted Date:-2019-03-16 07:18:06


Question:
Which of the following groups has cell wall

1.Bacteria and plants

2.Bacteria, fungi and plants

3.Bacteria, fungi, plants and animals

4.Bacteria, plant and animals

Posted Date:-2019-03-16 10:15:56


Question:
Which of the following is a aromatic polymer of phenols

1.Cutin

2.Lignin

3.Chitin

4.Pectin

Posted Date:-2019-03-16 10:32:23


Question:
Which of the following is a semi-autonomous organelle ?

1.Mitochondria

2.Chloroplasts

3.Both A&B

4.Mitochondria, chloroplasts and ribosomes

Posted Date:-2019-03-16 07:06:20


Question:
Which of the following is associated with the structure of Golgicomplex ?

1.Quatasomes

2.Annuli

3.Cristae

4.None of the above

Posted Date:-2019-03-16 06:44:33


Question:
Which of the following is the histochemical marker for mitochondrial inner membrane

1.monoamine oxidase

2. cytochrome oxidase

3.malate dehydogenase

4.adenylate kinase

Posted Date:-2019-03-16 07:22:10


Question:
Which of the following organelle is involved in cell wall synthesis

1.Mitochondria

2.Golgi apparatus

3.lysosome

4.Chloroplast

Posted Date:-2019-03-16 10:36:15


Question:
Which of the following organelle is involved in xenobiotic detoxification

1.SER

2.RER

3.Lysosome

4.Golgi bodies

Posted Date:-2019-03-16 07:39:03


Question:
Which of the following organelles has a continuous connection with nuclear membrane

1.Golgibodies

2.RER

3.SER

4.Lysosomes

Posted Date:-2019-03-16 07:28:05


Question:
Which of the following pair is monosaccharide? ...

1.Glucose and Fructose

2.Glucose and Sucrose

3.Ribose and Maltose

4.Ribose and Sucrose

Posted Date:-2019-03-16 10:30:10


Question:
Which of the following stain is used to visualise mitochondrion

1.Acetocarmine

2.Haematoxylin

3.Orange G

4.Janus green

Posted Date:-2019-03-16 07:20:50


Question:
Which of the following statements are incorrect regarding ER?

1.The adipose tissue has both SER and RER

2.RBC lacks both RER and SER

3.Plasma cells has RER only

4.Hepatocytes has both RER and SER

Posted Date:-2019-03-16 07:26:07


Question:
Which of the following statements are not true regarding cell wall

1.Plant cell wall is made up of cellulose

2.Cell wall provides mechanical support to the cell

3.Cell was is semi-permeable

4.Plant cell wall is a non-living structure

Posted Date:-2019-03-16 10:19:34


Question:
Which of the following statements are true about mitochondria

1.Mitochondria has two envelopes

2.Inner membrane is not permeable

3.Outer membrane has porin protein channels

4.All of the above

Posted Date:-2019-03-16 07:16:07


Question:
Which of the following statements are true regarding cellulose synthesis

1.Cellulose is synthesized on the external surface of the cell

2.The enzyme involved is a plasma membrane bound complex called cellulose syn

3.UDP glucose is the precursor of cellulose

4.All of these

Posted Date:-2019-03-16 10:40:08


Question:
Which of the following statements are true regarding endoplasmic reticulum

1.SER is involved in synthesis of lipids

2.ER provides structural framework to the cell

3.ER acts as an intracellular transporting system

4.All of the above

Posted Date:-2019-03-16 07:34:39


Question:
Which one is a fibrous protein? ...

1.Collagen

2.Globulin

3.Haemoglobin

4.Hordein

Posted Date:-2019-03-16 09:39:07


Question:
Who coined the term mitochondria

1.Kolliker

2.Flemming

3.Altman

4.Benda

Posted Date:-2019-03-16 07:07:11


Question:
Who got Nobel Prize in 1978 for working on enzymes? ..

1.Koshland

2.Arber and Nathans

3.Nass and Nase

4.H.G. Khorana

Posted Date:-2019-03-16 07:25:48


More MCQS

  1. Anatomy
  2. Ecology-I
  3. Biology 2019
  4. Biology (living world)
  5. Plant anatomy
  6. CELL STRUCTURES AND FUNCTION
  7. General biology
  8. Human physiology
  9. Ecology-II
  10. Reproduction in plants
  11. Human reproduction
  12. Animal kingdom
  13. Animal kingdom-II
  14. Microorganisms
  15. Natural resources and conservation
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