Q.1.
which kind of arrangement lies in the two polynucleotide chain of DNA?
-
100%
a) Antiparallel and complementary
-
0%
b) parallel and complementary
-
0%
c) Independent
-
0%
d) None above
Q.2.
Enzymes are present in which parts of plant?
-
0%
a) Only in leaves
-
0%
b) Only in fruits
-
100%
c) In apical meristem of root and shoot
-
0%
d) in all the living cell of plant body
Q.3.
A temperature change from 30o C to 50o C the rate of enzyme actively will:
-
0%
a) Increase
-
100%
b) Decrease
-
0%
c) First increase and then decrease
-
0%
d) First decrease and then increase
Q.4.
Which one of the following chemical is classified as an enzyme?
-
0%
a) Try glyceride
-
0%
b) Cellulose
-
0%
c) Galactose
-
0%
d) Sucrase
Q.5.
The product is realized from which site of the enzyme?
-
0%
a) Simple site
-
0%
b) active site
-
0%
c) Complex site
-
0%
d) Inactive site
Q.6.
Which one is a molecule of ATP? [C.B.S.C. PMT 2000]
-
0%
a) Nucleosome
-
0%
b) Nucleoside
-
0%
c) Nucleotide
-
0%
d) Deoxyribose
Q.7.
t-RNA is a polymer of: .... [MP PMT 1997]
-
0%
a) Deoxyribonucleoside
-
0%
b) Ribonucleoside
-
0%
c) Ribonucleotide
-
0%
d) Deoxyribotide
Q.8.
Enzyme speed up rate of reaction by ... ... [C.B.S.E. 2000]
-
0%
a) Combining with product
-
0%
b) Forming reaction product complex
-
0%
c) Changing equilibrium of reaction
-
0%
d) Covering activation energy
Q.9.
Which of the following sets is not co enzyme?
-
0%
a) NAD, FAD, ATP
-
0%
b) NAD, NHDP,FMN
-
0%
c) Fe, Cu, Zn
-
0%
d) V, Ca, Mg
Q.10.
A: Each enzyme has an effect on a particular reaction R: Glucose and galactose is the product of hydrolysis of lactose in presence of The lactose
-
0%
a) Both A & R are true and R is the correct explanation of A
-
0%
b) Both A & R are true but R is not the correct explanation of A
-
0%
c) A true R false
-
0%
d) both A & R are false
Q.11.
Which of the following pairs is not correctly matched?
-
0%
a) Butter - Glycerol + 3 Fatty acids.
-
0%
b) Waxes - Monohydroxy alcohol + 1 Fatty acid.
-
0%
c) Cortisone - Present of -COOH or >C=O group.
-
0%
d) Glycolipid - Glycerol + Lipid.
Q.12.
hich of the following statement regarding to Amylase is not correct?
-
0%
a) Unbranched polysaccharide chains made up of glucose units.
-
0%
b) Amylase occur in the constitution of glycogen.
-
0%
c) Amylase occur in more amount in starch.
-
0%
d) None of these.
Q.13.
P : In animal the food is stored as glycogen Q : Amylase and amylopectin are occurring in the constitution of glycogen.
-
0%
a) If both 'P' and 'Q' true and 'Q' is a correct explanation of’ P’
-
0%
b) If both 'P' and 'Q' true and 'Q' is not a correct explanation of’ P’
-
0%
c) If P is true the Q is false
-
0%
d) If P is false the Q is true
Q.14.
Specify the name of the fatty acids of the following structure in a given figure?
-
0%
a) Butyric acid
-
0%
b) Palmitic acid
-
0%
c) Stearic acid
-
0%
d) Oleic acid
Q.15.
A : Cholesterol do not contain Fatty acids. R : Cholesterol do not contain Carboxyl (- COOH) or Keto (>C=O) group.
-
0%
a) If both the assertion and the reason are true and the reason is a correct explanation ofthe assertion.
-
0%
b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion.
-
0%
c) Assertion is true but the reason is false.
-
0%
d) Assertion is false but the reason is True
Q.16.
A : Complex lipid which contain a non lipid constituent in addition ti alcohol and fatty acids. R : Phospholipid and Glycolipid are example of complex lipid
-
0%
a) If both the assertion and the reason are true and the reason is a correct explanation ofthe assertion.
-
0%
b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion.
-
0%
c) Assertion is true but the reason is false.
-
0%
d) Assertion is false but the reason is True
Q.17.
A: The subcutaneous fat layer under the skin, which maintains body temperature. R : Lipid form an insulating layer.
-
0%
a) If both the assertion and the reason are true and the reason is a correct explanation ofthe assertion.
-
0%
b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion.
-
0%
c) Assertion is true but the reason is false.
-
0%
d) Assertion is false but the reason is True
Q.18.
Which of the following are linked together to form Proteins ?
-
0%
a) Phosphate
-
0%
b) Nitrogen base
-
0%
c) Sugar
-
0%
d) Amino acids
Q.19.
At high temperature proteins are:
-
0%
a) Destroyed
-
0%
b) inactive
-
0%
c) denatured
-
0%
d) a or b
Q.20.
Aspartic acid and lysine are linkage each other with which bond:
-
0%
a) Ester bond
-
0%
b) Glycoside bond
-
0%
c) Phosphodiaster bond
-
0%
d) Peptide bond
Q.21.
Which bimolecular fights against infectious organisms?
-
0%
a) Lipid
-
0%
b) Nucleic acid
-
0%
c) Protein
-
0%
d) Enzyme
Q.22.
End of every polypeptide chain is known as:
-
0%
a) Template
-
0%
b) Signal
-
0%
c) Antenna
-
0%
d) Terminal
Q.23.
What is the shape of the three dimensional structure of protein?
-
0%
a) Flat sheet like
-
0%
b) Globular
-
0%
c) Fibrous
-
0%
d) b or c
Q.24.
What does the following diagram show?
-
0%
a) Quaternary structure of protein
-
0%
b) polypeptide chain
-
0%
c) Molecule structure of protein
-
0%
d) Secondary structure of protein
Q.25.
Nuclein separated in to which components?
-
0%
a) Protein + chromosome
-
0%
b) Protein + Nucleic acid
-
0%
c) Nucleic acid + nitrogen base
-
0%
d) Nuceicoside + Nucleotide
Q.26.
Nucleic acids means
-
0%
a) A major components of chromosomes
-
0%
b) Polynucleotide of structural units known as nucleotides
-
0%
c) Small gene carrying bodies in the nuclei of complex cells
-
0%
d) Both a & b
Q.27.
Which one is not a polymer?
-
0%
a) ATP
-
0%
b) Hemoglobin
-
0%
c) Nucleotide
-
0%
d) Enzyme
Q.28.
The following diagram represents the nitrogenous bases of nucleic acid Molecules Identify the correct combination:
-
0%
a) A= Guanine , B= Uracil
-
0%
b) A= Adenine , B= Thymine
-
0%
c) A= Cytosine , B= Adenine
-
0%
d) A= thymine , B= Guanine
Q.29.
DNA is localized in which cell organelle?
-
0%
a) Vacuoles
-
0%
b) Lysosomes
-
0%
c) Golgi apparatus
-
0%
d) Nucleus, mitochondria, chloroplast
Q.30.
Chemically DNA differs from RNA by:
-
0%
a) Thymine and deoxyribose present in DNA and Uracil and ribose in RNA
-
0%
b) Uracil and deoxyribose in DNA and thymine and ribose in RNA
-
0%
c) Deoxyribose in DNA and ribose in RNA
-
0%
d) Two nucleotide in DNA and one nucleotide in RNA
Q.31.
The scientists who discovered the structure of DNA molecule
-
0%
a) Miller and mandal
-
0%
b) Khorana and Nirenberg
-
0%
c) Calvin and Wilkinson
-
0%
d) Waston and Crick
Q.32.
Which of the following is incorrect?
-
0%
a) m-RNA is degreased after its function is over
-
0%
b) t-RNA are synthesized by m-RNA
-
0%
c) r-RNA is localized in the ribosome
-
0%
d) m-RNA carries genetic code in to cytoplasm
Q.33.
Which are proportionally more compounds in all RNA’s?
-
0%
a) m-RNA
-
0%
b) t-RNA
-
0%
c) r-RNA
-
0%
d) a, b, c all
Q.34.
What is an apoenzyme?
-
0%
a) Protein
-
0%
b) Amino acid
-
0%
c) metallic ions
-
0%
d) Carbohydrates
Q.35.
An enzyme brings about
-
0%
a) Activation energy level
-
0%
b) Increase in reaction time
-
0%
c) Decrease in activation energy level
-
0%
d) all above
Q.36.
At which place the substrate combines with the enzymes:
-
0%
a) Active site
-
0%
b) inactive site
-
0%
c) Common site
-
0%
d) Gap site
Q.37.
Match the terms in columns - I with suitable terms in column - II :
| Column I | Column II |
| P, Glucose | i. (c6H10O5)n |
| Q, Maltose | ii. R-COOH |
| R , Glycogen | iii. C12H22O11 |
| S , Fatty acids | iv. C6H12O6 |
-
0%
a) P= iv; Q =i; R= iii; S= ii
-
0%
b) P =iv; Q =iii; R =i; S= ii
-
0%
c) P= iii; Q =iv; R =ii; S =i
-
0%
d) P =iv; Q =iii; R =i; S= ii
Q.38.
atch the terms in column-I with suitable terms in column-II.
| Column I | Column II |
| P Butyric acid | i Long chain Unsaturated fatty acid |
| Q Stearic acid | ii Short chain Unsaturated fatty acid |
| R Oleic acid | iii Short chain Saturated fatty acid |
| S Crotonic acid | iv Long chain Saturated fatty acid |
-
0%
a) P= iii; Q= iv; R= i; S= ii
-
0%
b) P= iii; Q= i; R=iv; S= ii
-
0%
c) P= iv; Q= iii; R= i; S= ii
-
0%
d) P= iv; Q= iii; R= ii; S= I
Q.39.
Lipids are relatively insoluble in ... ...
-
0%
a) Chloroform
-
0%
b) Water
-
0%
c) Benzene
-
0%
d) Ether.
Q.40.
P : Steroids do not contain Fatty acids. Q : In the structure of wax an alcohol molecule is one monohydroxy alcohol
-
0%
a) If both 'P' and 'Q' true and 'Q' is a correct explanation of 'P'
-
0%
b) If both 'P' and 'Q' true and 'Q' is not a correct explanation of 'P'
-
0%
c) If P is true the Q is false
-
0%
d) If P is false the Q is true
Q.41.
A : Lipids are insoluble in water. R : In structure of lipid the number of H atoms is much more than that of O.
-
0%
a) If both the assertion and the reason are true and the reason is a correct explanation ofthe assertion.
-
0%
b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion
-
0%
c) Assertion is true but the reason is false.
-
0%
d) Assertion is false but the reason is True
Q.42.
A : Oleic acid contain 18 carbon atoms and two successive carbon atoms at certain places therein are linked by double bond. R : Oleic acid are long chain unsaturated fatty acid.
-
0%
a) If both the assertion and the reason are true and the reason is a correct explanation ofthe assertion.
-
0%
b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion.
-
0%
c) Assertion is true but the reason is false.
-
0%
d) Assertion is false but the reason is True
Q.43.
Find out the correct combination ... .. [GSEB 2011] i) Triose sugar - Ribose. ii) Starch - amylase and amylopectin iii) Plasma membrane - phospholipid iv) Melanin - sterols v) Pituitary hormones - peptide.
-
0%
a) Only ii, iii and iv
-
0%
b) Only I, ii and iii
-
0%
c) Only I and iii
-
0%
d) Only ii, iii and v
Q.44.
Full form of RUBISCO is:
-
0%
a) Ribulose Bisulphate Carboxylase Oxygenare
-
0%
b) Ribuose Biphosphate Carboxylase Oxygenare
-
0%
c) Ribuose Bisulphate Carboxylase Oxygenare
-
0%
d) Ribulose Biphosphate Carboxylase Oxygenare
Q.45.
Which one of the following pairs is correctly matched?
-
0%
d) Glycogen → Forms the plant cell wall.
-
0%
a) Fats → Long saturated Fatty acidss chain.
-
0%
b) Derivatives of Lipid → Vitamins A, D, E.
-
0%
c) Deoxyribose → RNA.
Q.46.
P : Cortisone molecules which contain only Carboxyl (-COOH) or keto C>C=O group. Q : Cortisone do not contain Fatty acids.
-
0%
a) If both 'P' and 'Q' true and 'Q' is a correct explanation of 'P'
-
0%
b) If both 'P' and 'Q' true and 'Q' is not a correct explanation of 'P'
-
0%
c) If P is true the Q is false
-
0%
d) If P is false the Q is true
Q.47.
The chemical formula of starch is ... .. [RPMT 2002]
-
0%
a) (C6H10O5)n
-
0%
b) (C6H12O6)n
-
0%
c) C12H22O11
-
0%
d) CH3COOH
Q.48.
Total numbers of amino acids are involved in protein synthesis in Plants:
-
0%
a) 10
-
0%
b) 22
-
0%
c) 13
-
0%
d) 20
Q.49.
The structure of protein can be denatured by
-
0%
a) At high temperature
-
0%
b) In dilute solution of acid
-
0%
c) In the presence of CO2
-
0%
d) a, b, c all
Q.50.
Match the terms in column-I with suitable terms in column-II.
| Column I | Column II |
| P Glucose | i Stored food in plants |
| Q Cellulose | ii Reserve food in animals |
| R Starch | iii The plant cell wall |
| S Glycogen | iv Most widely used in respiration |
-
0%
a) P= iv; Q= iii; R= ii; S= i
-
0%
b) P= iv; Q= iii; R= i; S= ii
-
0%
c) P= iii; Q=i; R= iv; S= ii
-
0%
d) P=iii; Q= iv; R= ii; S= i