8) The for loop repeats a set of statements a certain number of times until a condition is matched. a)True b)False Ans: a. 9) Can a for statement loop indefintely? Ans : Yes. 10) What is the difference between while statement and a do statement/ Ans
Multiple Choice Questions(Computer) 1. Which of the following is the product of data processing a. information b. data c. software program d. system
Design for machining Multiple choice questions 1) Which one of the following process is not a machining process? A) Planing B) Boring C) Turning
Model Multiple Choice Questions: RAE-1- Income Tax (common to all Branches) Question Number:1 Persons with severe disabilities entitled to a deduction in computation of their total income [ s.80U
3. Which one of the following is not basic component of Materials Science? (a) Cost (b) Properties (c) Structure (d) Performance 4. Figure out the odd statement about ceramics in the following (a) Good insulators of heat and electricity (b) Usually l
Chapter 1 Semester 1 1.1 Basic hardware and soft-ware 1.1.1 History of computers 1. Logarithm was invented by . (a) John Napier (b) Edmund Gunter (c) Blaise Pascal
63. A social and managerial process by which individuals and organizations obtain what they
I. Multiple Choice Questions: - 1) The fuse provided in 4.5 KW RR U box for one of 3 phase AC supply is [ b ] a) 6 A HRC b) 35 A HRC c) 16 HRC d) 40 A HRC 2) The field fuse provided in RRU [ a ]box is a) 6 A HRC b) 35 A HRC c) 16 HRC d) 40 A HRC 3) W
BIOMOLECULES Multiple Choice Questions
1) Which one is not fibrous protein? a) b) c) d)
Globulin C ll Collagen keratin actin
2)Casein contained in milk is a/an 2)Casein contained in milk is a/an a) b) c) d)
Carbohydrates Lipid Protein Important molecules
3) Which of the following has an imino(>NH)group instead of amino group(‐NH2)?
a) b) c)) d)
Proline Isoleucine Tyrosine y Serine
4) RNA 4) RNA contains t i a) b) c)) d)
Ribose sugar and thymine Ribose sugar and thymine Ribose sugar and Uracil Deoxyribose ib sugar and Uracil d il Deoxyribose sugar and thymine
5) A compound give negative test with ) p g g ninhydrin and positive test with benedict’s solution. The compound is
a) b)) c) d)
A protein An amino acid A lipid A monosaccharide A monosaccharide
6) Raffinose is 6) Raffinose is a)) b) c) d)
Disaccharide Di h id Monosaccharide Trisaccharide None of these None of these
7) Insulin is 7) Insulin is a)) b) c) d)
Protein P t i An amino acid A carbohydrate A lipid A lipid
8) Complete hydrolysis of cellulose 8) Complete hydrolysis of cellulose gives a)) b) c) d)
D‐fructose D f t D‐ribose D‐glucose LL‐glucose glucose
9) The change in optical rotation of freshly prepared solution of glucose is known as a) b) c) d)
Tautomerism Racemization Specific rotation Mutarotation
10) Which of the following compounds, 10) Whi h f th f ll i d when heated at 483k turns to caramel? a) b) c) d)
Glucose Sucrose Fructose L Lactose
11) There are 20 naturally occurring amino 11) There are 20 naturally occurring amino acids. The maximum number of tripeptides that can be obtained are can be obtained are a) 8000 b) 6470 c) 7465 d) 5360
12) Which amino acid has imidazole 12) Which amino acid has imidazole ring? a) b) c) d)
Alanine Leucine Trysoine Histidine
13) Iscoeletric point is 13) Iscoeletric point is a) Specific Specific temperature temperature b) Suitable concentration of amino acid c)) Hydrogen ion concentration that does not d i i h d allow migration of amino acid under electric fi ld field d) Melting point of amino acid under the influence of electric field
14) Proteins when heated with conc. 14) Proteins when heated with conc Nitric acid give a yellow color. This is a) b) c) d)
Hoppe’s test Acid base test Acid base test Biuret’s test X h Xanthoprotic i test
15) The change in optical rotation with time of freshly p p prepared solution of sugar(with enzymes) is known as g y a) b) c)) d)
Specific rotation Inversion Rotator motion Mutarotation
16) A 16) A nucleotide consists of l tid it f a) b) c)) d)
Base and sugar Base and sugar Sugar and phosphate Base, Sugar and phosphate S d h h Base and phosphate
17) Gene is a segment of 17) Gene is a segment of a) b) c) d)
DNA Protein mRNA rRNA
18) insulin production of its action in human body are responsible for the level of diabetes. This compound b l belongs to which of the following categories? h h f h f ll
a) b) c) d)
A coenzyme A hormone An enzyme An enzyme An antibiotic
19) When glucose reacts with bromine water, 19) Wh l t ith b i t the main product is a) b) c) d)
20) Nucleic acids are polymers of 20) Nucleic acids are polymers of a) b) c) d)
Nucleosides Gl b li Globulins Nucleons Nucleotides
21) Night blindness may be caused by the deficiency of vitamin y a) b) c) d)
A B C D
22) The number of amino acids in 22) The number of amino acids in insulin is a) b) c) d)
21 574 51 5733
23) Which of the following contains cobalt? a) b) c) d)
Vitamin‐A Vitamin C Vitamin‐C Vitamin‐B12 Vitamin‐K
24) A l pectin is a polymer of 24) Amylo ti i l f a) b)) c) d)
α‐D‐glucose α‐D‐fructose lactose amylase
25) The term anomers of glucose refers to a) isomers of glucose that differ in differ in configuration at carbons one and in configuration at carbons one and four(C‐1 and C‐4) b) a mixture of(D) glucose and (L) glucose a mixture of(D) glucose and (L) glucose c) enantiomers of glucose d) isomers of glucose that differ in configuration at carbons one(C‐1)
26) The reason for double helical structure 26) The reason for double helical structure of DNA is operation of a) b) c)) d)
Van der waals forces Van der waals forces Dipole‐dipole interaction H d Hydrogen bonding b di Electro static attraction
27) The pyrimidine bases present in DNA are
a) b) c) d)
Cytosine and adenine Cytosine and guanine Cytosine and thymine Cytosine and thymine Cytosine and Uracil
28) Which of the following is example of 28) Whi h f th f ll i i l f ketohexose? a) b) c) d)
Mannose Galactose Maltose Fructose
29) RNA and DNA are chiral molecules their 29) RNA d DNA hi l l l th i chirality is due to a) L‐sugar components b) Chiral bases c) D‐sugar component d) Chiral phosphate ester units Chiral phosphate ester units
30) Which one of the following is a peptide 30) Whi h f th f ll i i tid hormone? a) b) c) d)
Glucagon Testosterone Thyroxin Ad Adrenaline li
31) Methyl α‐D glucoside 31) M th l D l id and methyl –β‐D d th l β D glucoside are a) b) c) d)
Epimers A Anomers Enantiomers Conformational diastereomers
32) Which functional group participates in disulphide bond formation in proteins? a. b. c. d.
Thiolactone Thiol Thioether Thioester
33) Which one of the following bio molecules is 33) Which one of the following bio molecules is insoluble in water? a) b) c)) d)
α‐keratin hemoglobin Ribonuclease Adenine
34) Number of chiral carbon atoms in β‐D‐ 34) N b f hi l b t i βD (+)‐glucose is a) b) c) d)
Five Six Three Four
35) Which of the following set consists of only essential amino acid? essential amino acid? a) b) c) d)
36) Which of the following is a conjugated 36) Whi h f th f ll i i j t d protein? a. b b. c. d d.
Phospho protein Glycoprotein Chromoprotein All f h All of these
37) Which one of the following sets of monosaccharide's forms sucrose? a) b) c) d)
α D‐galactopyranose and α D‐glucopyranose α D‐ glucopyranose β D fructofuranose β‐ D giucopyranose β D giucopyranose and α D and α D‐ fructofuranose α D‐ galactopyranose β D fructofuranose
38) Glucose molecule reacts with ‘X’ number of 38) Gl l l t ith ‘X’ b f molecules of phenyl hydrazine to yield osazone. Th The value of ‘X’ is l f ‘X’ i a) Four b) One c) Two d) Three
39) Which base is present in RNA but not in 39) Which base is present in RNA but not in DNA? a) b) c) d)
Uracil Cytosine Guanine Thymine
40) Which one of the following statement is not true regarding (+) lactose? is not true regarding (+) lactose? a) (+) lactose is a β‐glycoside formed by the union of molecule of D‐(+) glucose and a molecule of D‐(+) l l fD ( ) l d l l fD ( ) galactose b) (+) lactose is a reducing sugar and does not exhibit (+) lactose is a reducing sugar and does not exhibit mutarotation c) (+) lactose, contains 8‐OH groups (+) lactose contains 8 OH groups d) On hydrolysis,(+) lactose gives equal amount of D‐ (+)glucose and D‐(+)‐galactose (+)glucose and D‐(+)‐galactose
41) Glycogen is a branched chain polymer of α‐D‐ g glucose units in which chain is formed by C1—C4 y glycosidic linkage whereas branching occurs by the formation of C1‐C6 glycosidic linkage. Structure of glycogen is similar to __________.
• • • •
(i) Amylose (i) Amylose (ii) Amylopectin (iii) Cellulose (iv) Glucose
42) Which of the following polymer is stored in the liver of animals? stored in the liver of animals? a) Amylose b) Cellulose b) Cellulose c) Amylopectin d) Glycogen
43) Sucrose (cane sugar) is a disaccharide. One molecule of sucrose on hydrolysis gives _________. a) 2 molecules of glucose a) 2 molecules of glucose b) 2 molecules of glucose + 1 molecule of fructose c) 1 molecule of glucose + 1 molecule of fructose d) 2 molecules of fructose
44) Which of the following acids is a vitamin? i i ? a)) b) c) d)
Aspartic acid A ti id Ascorbic acid Ascorbic acid Adipic acid Saccharic acid
45) Which of the following statements i is not true about glucose? tt b t l ? a) It is an aldohexose. b)On heating with HI it forms n‐hexane. b)On heating with HI it forms n hexane. c)It is present in furanose form. d) It d d) It does not give 2,4‐DNP test. t i 2 4 DNP t t
46) Each polypeptide in a protein has amino acids linked with each other in a specific sequence This linked with each other in a specific sequence. This sequence of amino acids is said to be ____________.
a) primary structure of proteins. b) secondary structure of proteins. c) tertiary structure of proteins c) tertiary structure of proteins. d) quaternary structure of proteins.
47) Which of the following B group vitamins can be stored in our body? vitamins can be stored in our body? a) Vitamin B1 b) Vitamin B2 c) Vitamin B6 c) Vitamin B d) Vitamin B12
48) Which of the following bases is not present in DNA? present in DNA? a) Adenine a) Adenine b) Thymine c) Cytosine d) Uracil )
49) Which of the following reactions of glucose can be explained only by its cyclic structure? can be explained only by its cyclic structure? a)) Glucose forms pentaacetate. Gl f b)Glucose reacts with hydroxylamine to form an oxime. oxime c)Pentaacetate of glucose does not react with hydroxylamine. hydroxylamine d)Glucose is oxidised by nitric acid to gluconic acid. acid
50) Based on reducing or non‐reducing property, ) g g p p y, Sucrose is a __________. a) monosaccharide b) disaccharide c) non‐reducing sugar ) g g d) reducing sugar
51) Which of the following carbohydrates are branched polymer of glucose? a) Amylose b) A l b) Amylopectin ti c) Glycogen d)Cellulose
52) Which of the following monosaccharides are present as five membered cyclic structure present as five membered cyclic structure (furanose structure)? a) Glucose b) Ribose b) Ribose c) Manose d) Galactose
53) In fibrous proteins, polypeptide chains 53) In fibrous proteins, polypeptide chains are held together by . a) Van der Waals forces b) Hydrogen bonds Hydrogen bonds c) Disulphide linkage d) Both (b) and (c)
54) Which of the following are purine bases? a) Guanine b) Adenine c) Thymine d) Both (b) and (a) Both (b) and (a)
55) Which of the following terms are correct about enzyme? a)Dinucleotides b)Nucleic acids c) Amino acid. d) Biocatalysts d) Biocatalysts
56) Proteins are found to have two different types of secondary structures viz α‐helix types of secondary structures viz. α helix and β and β‐ pleated sheet structure. α‐helix structure of protein is stabilised by : protein is stabilised by : a)) Peptide bonds p b) van der Waals forces c) Hydrogen bonds c) Hydrogen bonds d) Dipole‐dipole interactions
57) DNA and RNA contain four bases each. Which of the following bases is not Which of the following bases is not present in RNA? a) Adenine b) Uracil c) Thymine ) y d) Cytosine
58) Dinucleotide is obtained by joining two 58) Dinucleotide is obtained by joining two nucleotides together by phosphodiester linkage. Between which carbon atoms of pentose sugars of Between which carbon atoms of pentose sugars of nucleotides are these linkages present?
a) 5′ and 3′ b) 1′ and 5′ b) 1′ d 5′ c) 5′ and 5′ d) 3′ and 3′
59) Lysine, is _____. a) α‐Amino acid b) Basic amino acid c) Amino acid synthesised in body c) Amino acid synthesised in body d) β‐Amino acid
60) Proteins can be classified into two types on p , the basis of their molecular shape i.e., fibrous proteins and globular proteins. p g p Example of globular proteins is : a)Collagen b)Albumin c)Keratin ) d)Myosin
