CBSE Class 11 Biology Quiz | CBSE Class 11 Biology Short Questions & Answers

Questions
41 Which of the following chromosomes have arms of unequal length?
A Submetacentric
B Acrocentric
C Metacentric
D Telocentric

Answer: Submetacentric
42 Which of these chromosomes have a very short arm?
A Submetacentric
B Acrocentric
C Metacentric
D Telocentric

Answer: Acrocentric
43 Which of these chromosomes have centromere located at one end?
A acrocentric
B Telocentric
C Metacentric
D Submetacentric

Answer: Telocentric
44 Telocentric chromosomes have centromere located at
A one end
B both ends
C center
D one side

Answer: one end
45 The morphology of the chromosome is best studied during
A interphase
B prophase
C telophase
D metaphase

Answer: metaphase
46 Which of the following determines the shape of the chromosomes?
A chromatids
B chromatin material
C shape of the centromeres
D position of the centromere

Answer: position of the centromere
47 Which of these established that the units of inheritance are located on the chromosome?
A Sutton
B Waldeyer
C Watson and Crick
D Strickberger

Answer: Sutton
48 Sucrose is formed of:
A Glucose and Galactose
B Glucose and Maltose
C Clucose and Fructose
D Fructose and Galactose

Answer: Clucose and Fructose
49 Glyceraldehyde is one of the:
A Hexoses
B Trioses
C Pentoses
D Tetroses

Answer: Trioses
50 The manner in which different peptide chains are connected determines the:
A Size of protein molecule
B Shape of protein molecule
C Color of protein molecule
D Both A & B

Answer: Shape of protein molecule
51 Amino Acids are linked together by:
A Hydrogen Bonds
B Ionic Bonds
C Peptide bonds
D None of these

Answer: Peptide bonds
52 Each beta chain of Hemoglobin contains:
A 126 Amino Acids
B 156 Amino Acids
C 136 Amino Acids
D 146 Amino acids

Answer: 146 Amino acids
53 Four polypeptide chains take part in the formation of:
A Cellulose
B Silk
C Hemoglobin
D DNA

Answer: Hemoglobin
54 Amino Acids in Insulin molecules are arranged in:
A One polypeptide chain
B Two Polypeptide chains
C Three polypeptide chains
D Four polypeptide chains

Answer: Two Polypeptide chains
55 They catalyze biological reactions in the form of enzymes:
A Glucose
B Sucrose
C Proteins
D Terpenoids

Answer: Proteins
56 In living cell, protein is:
A The most abundant compound
B The least abundant compound
C The second most abundant compound
D The third most abundant compound

Answer: The second most abundant compound
57 Protoplasm of plant cell is:
A Less viscous than animal cell
B More viscous than animal cell
C Equal in viscosity to the animal cell
D None of these

Answer: Less viscous than animal cell
58 Silk is chemically:
A Protein
B Lipid
C Wax
D Carbohydrate

Answer: Protein
59 Cholesterol is:
A steroid
B unsaturated fatty acids
C saturated fatty acids
D diglyceride

Answer: steroid
60 On hydrolysis triglyceride yields
A a glycerol and three fatty acids
B a fatty acid and three glycerol
C a glucose and three fatty acids
D a maltose and two fatty acids

Answer: a glycerol and three fatty acids
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