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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Biomolecules-2 Set 6
Q1 | Which one is not a nucleotide? [AFMC 1998]
- Adenine
- Guanine
- Thymine
- Lysine
Q2 | Which one is a molecule of ATP? [C.B.S.C. PMT 2000]
- Nucleosome
- Nucleoside
- nucleotide
- deoxyribose
Q3 | t-RNA is a polymer of: [MP PMT 1997]
- Deoxyribonucleoside
- ribonucleoside
- Ribonucleotide
- deoxyribotide
Q4 | Which one is Purine base of RNA? [C.B.S.E. PMT 1996]
- Guanine
- Thymine
- Uracil
- Cytosine
Q5 | Enzymes are formed by conjunction of which molecule? [AFMC 1994]
- Fatty acid
- glucose
- amino acid
- carbon
Q6 | Co-enzyme means [B.H.U. 1997]
- Metal
- Vitamin
- Inorganic compound
- a & c both
Q7 | Enzymes in boiling water [CPMT1995]
- Destroyed
- Denatured
- Uneffective
- Inactive
Q8 | Which one is the contractile protein [CBSE.PMT 1998]
- Collagen
- globular
- tropomycin
- keratin
Q9 | How many nucleotide present in DNA molecule which consist pair of 2000 N2 base? [MP.PMT 1994]
- 2,000
- 5,000
- 10,000
- 40,000
Q10 | Which one is not gain by the hydrolysis of nucleoside? [DPMT 1996]
- Purine
- Pentose sugar
- Phosphoric acid
- Pyrimidine
Q11 | Enzyme by natured: [CET chd 1998]
- vitamin
- carbohydrate
- polypeptide
- Fatty acid
Q12 | The pair of nitrogen base in DNA is conjugated with [PB PMT 1997]
- Disulphide bond
- Hydrogen bond
- Peptide bond
- Glycosidic bond
Q13 | The prosthetic group which is in the structure of enzyme [Manipal PMT 1997]
- Loosely combining
- tightly binding
- It contain organic or inorganic structure
- only inorganic
Q14 | Enzyme speed up rate of reaction by [C.B.S.E. 2000]
- Combining with product
- Forming reaction product complex
- Changing equilibrium of reaction
- Covering activation energy
Q15 | The catalytic efficiency of two different enzymes can be compared by the
- The Km value
- The PH qutimum value
- Formation of the product
- Molecular size of the enzyme
Q16 | Which of the following cell organelles is rich in catabolic enzyme [PMT 2007]
- Ribosome
- chloroplast
- Mitochondria
- Golgicomplex
Q17 | Enzyme which help in electron transfer are: [B.H.U. 1998]
- Cytochrome
- Isomerase
- Protease
- All of above
Q18 | The enzyme which fixes CO2 in C4 plant is [C.B.S.E. 2000]
- Hydrogenase
- PEP carboxyl ase
- Reductase
- RuBp carboxylase
Q19 | Enzyme involved in hydrolysis of starch to maltose is called: [PMT 1999]
- Sucrase
- Amylase
- Lactase
- Maltase
Q20 | In which of the following industrial areas biotechnology is applicable?
- Health care
- Environment
- Agriculture
- all of the above
Q21 | Due to what food supply has increased during green revolution?
- use of chemical
- use of biochemicals
- use of photochemicals
- use of agrochemicals
Q22 | The organizations whose genetic material has been altered using genetic engineering is called as -
- Genetically mutant organism
- Genetically modern organism
- Genetically modified organism
- Genetically transferred organism.
Q23 | Full form of GMO is -
- Genetically mutant organism
- Genetically modern organism
- Genetically modified organism
- Genetically transferred organism
Q24 | Which of the following is responsible for causing disease in plants?
- viru
- pesticide
- Herbicide
- all the above
Q25 | Bt stands for -
- Biotechnology
- Bacteria tolerant
- Bacillus thuringiensis
- Bollworm toxin