11th Class FSc Part 1 Biology Chapter Wise Online MCQ Test With Answer PDF

Biology Fsc Part 1 Online Test

Sr. #	Questions	Answers Choice
1	Which of the following pair of structure-function is mismatched	Ribosomes, protein synthesis Nucleolus, ribosomes production Glogi, muscle contraction Lysosome, intracellular digestion
2	Which type of cell would probably be most appropriate to study lysosomes	Phagocytic white blood cell Nerve cell Mesophyll cell Muscle cell
3	Which statement about plastids is true	They are surrounded by a single membrane They are power house of cell They are found in all organisms They contain DNA and ribosomes
4	Which statement about the nuclear envelop in not true	It has pores It is double membrane structure Its inner membrane bears ribosomes RNA and some proteins can pass through it
5	Enzyme that are integral part of ribosomes are involved in the synthsis of	Lipids Carbohydrates Proteins None of these
6	Competitive inhibitors	Destroy the structure of enzyme Resemble structurally with substrate Do occupy active site Both b and c are correct
7	An enzyme is said to be denatured when	It has no co-factor It is in a condition of low temperature Its structure is destroyed None of these
8	The specificity of an enzyme is due to its	Cofactor Protein nature Active site Globular shape
9	Prosthetic group is	Covalenty bonded non-protein part of an enzyme Loosely bonded non-proteins part of an enzyme Co-factor consists of metal ions None of these
10	Co-enzyme is a	Covalently bonded non-protein part of an enzyme Loosely bonded non-protein part of an enzyme Co-factor consists of metal ions None of these
11	The raw material for co-enzymes are	Lipids ` Proteins Vitamins None of these
12	The reversible inhibitors usually constitute	Strong linkage with enzyme Weak linkage with enzyme No Linage with enzyme medium linkage
13	Koshland in 1959 proposed the modified form of	Fluid mosaic model Induce fit model Unit membrane model Reflective index model
14	The rate of reaction of enzyme directly depends upon	Amount of enzyme present at a specific time at unlimited substrate concentration Nature of substrate Maximum pH level Low temperature
15	An activated enzyme made of polypeptide chain and a co-factor is	Substrate Co-enzyme Apoenzyme Holoenzyme
16	The catalytic activity of an enzyme is restricted to its small protein called	Active site Passive site Intermediate Above all
17	Which one of the following statements about enzymes is not true	They consist of proteins or without a non-proteins part They change the rate of catalyzed reaction They are sensitive to heat They are non-specific in their action

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