MCQOPTIONS
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MCQOPTIONS
This section includes 57 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The minimum size of work shed may be of 20 sq. m and the maximum size of 250 sq. m. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which of the following is not an industrial product made by the fungus Aspergillus niger? |
| A. | Citric acid |
| B. | Galactosidase |
| C. | Lysine |
| D. | Gluconic acid |
| Answer» D. Gluconic acid | |
| 3. |
Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media? |
| A. | Lactobacillus delbrueckii |
| B. | Lactobacillus bulgaricus |
| C. | Leuconostoc mesenteroides |
| D. | Lactobacillus pentosus |
| Answer» C. Leuconostoc mesenteroides | |
| 4. |
A major organism used in commercial bioleaching for copper recovery is |
| A. | Pseudomonas aeruginosa |
| B. | Desulfovibrio desulfuricans |
| C. | Thiobacillus ferrooxidans |
| D. | Aspergillus niger |
| Answer» D. Aspergillus niger | |
| 5. |
The Pathogens |
| A. | are not animal diseases |
| B. | are plant diseases |
| C. | are known to cause carcinogens |
| D. | cause infectious diseases |
| Answer» E. | |
| 6. |
Gas exchange system in lungs can be damaged by |
| A. | carcinogens |
| B. | tar |
| C. | None of above |
| D. | Both A and B |
| Answer» E. | |
| 7. |
Bacterial and fungal infections |
| A. | can be cured by antibiotics |
| B. | are non-infectious diseases |
| C. | None of above |
| D. | need to be helped through transmission cycle |
| Answer» B. are non-infectious diseases | |
| 8. |
The aerated submerged bacterial fermentation to produce vitamin B12 employs strains of |
| A. | Pseudomonas |
| B. | Propionibacterium |
| C. | both ( and ( |
| D. | Acetobacter |
| Answer» D. Acetobacter | |
| 9. |
Pectinase, an enzyme used for increasing yield and for clarifying juice is obtained by |
| A. | niger |
| B. | oryzae |
| C. | all of these |
| D. | flavus |
| Answer» D. flavus | |
| 10. |
Riboflavin is a by-product of __________ fermentation carried out by Clostridium spp |
| A. | acetone butanol |
| B. | citric acid |
| C. | ethanol |
| D. | streptomycin |
| Answer» B. citric acid | |
| 11. |
Fungal amylases using stationary culture with wheat bran utilizes |
| A. | niger |
| B. | oryzae |
| C. | S. cerevisiae |
| D. | flavus |
| Answer» C. S. cerevisiae | |
| 12. |
People who are affected by an infection are called |
| A. | pathogens |
| B. | translocators |
| C. | carriers |
| D. | phagocytic individuals |
| Answer» D. phagocytic individuals | |
| 13. |
Annual worldwide incidence of cholera is |
| A. | 1-3 million |
| B. | 1-2 million |
| C. | 3 -5 million |
| D. | 1-5 million |
| Answer» D. 1-5 million | |
| 14. |
Benedict's solution is not |
| A. | an acidic solution |
| B. | an alkaline solution |
| C. | used for starch test |
| D. | made up of Copper Sulphate |
| Answer» C. used for starch test | |
| 15. |
The position of Centromeres is |
| A. | varies in a particular chromosome |
| B. | fixed in a particular chromosome |
| C. | None of above |
| D. | changes in the interphase |
| Answer» C. None of above | |
| 16. |
Cell eating is referred to as |
| A. | Pinocytosis |
| B. | Phagocytosis |
| C. | Endocytosis |
| D. | Exocytosis |
| Answer» C. Endocytosis | |
| 17. |
The submerged fermentation of vinegar utilizes special fermentor designs known as |
| A. | cavitator |
| B. | acetator |
| C. | both ( and ( |
| D. | packed vinegar generator |
| Answer» D. packed vinegar generator | |
| 18. |
Natural polymers are including |
| A. | polythene |
| B. | rubber |
| C. | nylon |
| D. | polyester |
| Answer» C. nylon | |
| 19. |
The vessels are known to carry blood towards the heart is |
| A. | artery |
| B. | aorta |
| C. | capillaries |
| D. | veins |
| Answer» B. aorta | |
| 20. |
In nerve cells, the energy used by carrier-protein is |
| A. | 0.5 |
| B. | 0.3 |
| C. | 0.9 |
| D. | 0.7 |
| Answer» E. | |
| 21. |
Variola virus has been known to cause |
| A. | measles |
| B. | malaria |
| C. | chickenpox |
| D. | smallpox |
| Answer» E. | |
| 22. |
In an adult, around 125 cm3 of fluid enters the proximal tubules every minute, but the % of it transported to loop of Henle is only |
| A. | 0.45 |
| B. | 0.25 |
| C. | 0.74 |
| D. | 0.64 |
| Answer» E. | |
| 23. |
The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is |
| A. | racemase |
| B. | isomerase |
| C. | invertase |
| D. | dehydrogenase |
| Answer» C. invertase | |
| 24. |
Which of the following when used in proper concentration stimulates the Ascomycetes fermentation of vitamin B12 and can be used to counteract toxicity of iron in Candida species? |
| A. | Ni |
| B. | Co |
| C. | Ca |
| D. | Zn |
| Answer» C. Ca | |
| 25. |
Urea diffuses from liver cells into the |
| A. | tissue fluids |
| B. | blood plasma |
| C. | kidneys |
| D. | a uretary duct |
| Answer» C. kidneys | |
| 26. |
Sodium ions, chloride ions, vitamins and amino acids are actively reabsorbed in the |
| A. | distal convoluted tubule |
| B. | proximal convoluted tubule |
| C. | efferent arteriole |
| D. | afferent arteriole |
| Answer» C. efferent arteriole | |
| 27. |
Which of the following organism is utilized for the production of D-L-alanine? |
| A. | Brevibacterium flavum |
| B. | Microbacterium ammoniaphilum |
| C. | glutamicum |
| D. | Arthrobacter paraffineus |
| Answer» C. glutamicum | |
| 28. |
Most productive species among the different vitamin B12 producing Pseudomonads is |
| A. | P. ovalis |
| B. | P. denitrificans |
| C. | none of these |
| D. | P. aureofaciens |
| Answer» C. none of these | |
| 29. |
In mammals, blood flows from the left ventricle into the |
| A. | inferior vena cava |
| B. | superior vena cava |
| C. | aorta |
| D. | lungs |
| Answer» D. lungs | |
| 30. |
Glomerular filtrate is identical to blood plasma but it does not contain |
| A. | amino acids |
| B. | urea |
| C. | nucleotides |
| D. | proteins |
| Answer» E. | |
| 31. |
The Candida species require fermentation equipment lined with plastic because they are extremely sensitive to |
| A. | traces of nickel |
| B. | traces of cobalt |
| C. | none of these |
| D. | traces of iron |
| Answer» E. | |
| 32. |
The Tunica media near the heart does not include |
| A. | fewer elastic fibers |
| B. | more muscles |
| C. | no collagen |
| D. | more elastic fibers |
| Answer» B. more muscles | |
| 33. |
Exchanging of gas is a |
| A. | infectious disease |
| B. | pathogen |
| C. | deficiency disease |
| D. | non-infectious disease |
| Answer» E. | |
| 34. |
Polio is known as humans haunt after the eradication of |
| A. | measles |
| B. | tuberculosis |
| C. | smallpox |
| D. | chickenpox |
| Answer» D. chickenpox | |
| 35. |
In proximal convoluted tubule, the inner surface facing the lumen |
| A. | has capillaries forming the loop of Henle |
| B. | has many podocytes |
| C. | has microvilli to enable reabsorption |
| D. | has capillaries forming the Bowman's capsule |
| Answer» D. has capillaries forming the Bowman's capsule | |
| 36. |
Engulfing of the material by the cell surface membrane to form a small sac occurs in |
| A. | Endocytosis |
| B. | Exocytosis |
| C. | None of above |
| D. | Both A and B |
| Answer» B. Exocytosis | |
| 37. |
The structure of the enzyme is |
| A. | three dimensional coiled strands |
| B. | two dimensional coiled strands |
| C. | short branched chains |
| D. | long unbranched chains |
| Answer» B. two dimensional coiled strands | |
| 38. |
B. flavum strain can be used for the production of |
| A. | L-Proline |
| B. | L-Threonine |
| C. | All of the above |
| D. | L-Isoleucine and L-Histidine |
| Answer» D. L-Isoleucine and L-Histidine | |
| 39. |
BY 2030, the third death causing disease will be |
| A. | Chronic Obstructive Pulmonary Disease (COPD) |
| B. | Acquired Immune Deficiency Syndrome (AIDS) |
| C. | None of above |
| D. | meningitis |
| Answer» B. Acquired Immune Deficiency Syndrome (AIDS) | |
| 40. |
The key (substrate) is kept at lock positions of enzyme through temporary bonds are made by the |
| A. | Carbon of the amino chain |
| B. | OH - group |
| C. | All of above |
| D. | R group of amino acids |
| Answer» E. | |
| 41. |
The function of Penicillinases is to |
| A. | act as broad spectrum antibiotic. |
| B. | act as narrow spectrum antibiotic. |
| C. | destroy the cross-links of peptidoglycan polymers in bacterial cell wall. |
| D. | resist and destroy penicillin. |
| Answer» E. | |
| 42. |
Cycloserine may be isolated from the cultures of |
| A. | S. lavendulae |
| B. | S. orchidaceus |
| C. | All of these |
| D. | S. garyphalus |
| Answer» D. S. garyphalus | |
| 43. |
Emphysema is caused due to |
| A. | a decrease in the surface area of gas exchange |
| B. | bursting of alveoli |
| C. | None of above |
| D. | Both A and B |
| Answer» E. | |
| 44. |
Which of the following was the first amino acid to be produced commercially? |
| A. | L-lysine |
| B. | L-glutamic acid |
| C. | L-methionine |
| D. | L-cystine |
| Answer» B. L-glutamic acid | |
| 45. |
The 95% ethanol is equivalent to |
| A. | 110 proof |
| B. | 190 proof |
| C. | 120 proof |
| D. | 170 proof |
| Answer» C. 120 proof | |
| 46. |
During fermentation, pyruvic acid is converted into organic products such as |
| A. | starch and cellulose |
| B. | glucose and fructose |
| C. | citric acid and isocitric acid |
| D. | ethyl alcohol and lactic acid |
| Answer» E. | |
| 47. |
It is mandatory that cultures and fermentation residues be sterilized before discard in case of Eremothecium ashbyii and Ashbya gossypii because they are |
| A. | human pathogens |
| B. | plant pathogens |
| C. | none of these |
| D. | plant mutants |
| Answer» C. none of these | |
| 48. |
PCI_STANDS_FOR_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬®_PULVERIZED_COAL_INJECTION_METHOD.?$# |
| A. | True |
| B. | False |
| Answer» B. False | |
| 49. |
Blast_furnace_is_a_technique_used_to_raise_the_temperature_up_to_2200_degree_C_in_the_furnace.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 50. |
The minimum size of work shed may be of 20 sq. m and the maximum size of 250 sq. m? |
| A. | True |
| B. | False |
| Answer» C. | |