MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Consider the equation ZnO + NaOH + H |
| A. | 2 |
| B. | 1 |
| C. | 4 |
| D. | 3 |
| Answer» B. 1 | |
| 2. |
During the day, stomata |
| A. | remains close |
| B. | remains open |
| C. | depends upon the root pressure |
| D. | depends upon the light intensity |
| Answer» C. depends upon the root pressure | |
| 3. |
The food reserves in aleuronic layer is converted to carbohydrates for seed growth. What's the first thing aleuronic gets converted into? |
| A. | starch |
| B. | amylase |
| C. | glucose |
| D. | maltose |
| Answer» B. amylase | |
| 4. |
A network of collagen and glycoproteins form the |
| A. | basement membrane |
| B. | endothelium of the Bowman's capsule |
| C. | Podocytes |
| D. | epithelial cells |
| Answer» B. endothelium of the Bowman's capsule | |
| 5. |
Young leaves and seeds have especially high concentrations of |
| A. | auxins |
| B. | gibberellins |
| C. | Cytokinins |
| D. | Abscisic acid |
| Answer» C. Cytokinins | |
| 6. |
In plants, water moves from |
| A. | region of lower water potential to region of high water potential |
| B. | region of higher potential to region of lower potential |
| C. | All of above |
| D. | through active pumps |
| Answer» C. All of above | |
| 7. |
The finger like projections with gaps are called as |
| A. | Podocytes |
| B. | Glomerulus |
| C. | Vancomycin |
| D. | pathogens |
| Answer» B. Glomerulus | |
| 8. |
The toxin choleragen causes |
| A. | salt and water leave the blood |
| B. | increase in pulmonary constrictions |
| C. | an increase in salt and water |
| D. | stomach lining gets disrupted |
| Answer» B. increase in pulmonary constrictions | |
| 9. |
The maintenance of a stable internal environment is called as |
| A. | osmosis |
| B. | hormones |
| C. | ecology |
| D. | homeostasis |
| Answer» E. | |
| 10. |
All are true for enzymes but |
| A. | enzymes speed up the rate of a reaction |
| B. | enzymes are biological catalysts |
| C. | enzymes may change physically during the reaction |
| D. | enzymes may change chemically during the reaction |
| Answer» E. | |
| 11. |
Polymers do not include |
| A. | amino acid |
| B. | Lipids |
| C. | any of these |
| D. | peptides |
| Answer» C. any of these | |
| 12. |
It can happen in Emphysema when |
| A. | left side of the heart enlarges |
| B. | right side of the heart enlarges |
| C. | All of above |
| D. | a decrease in pulmonary artery occurs |
| Answer» C. All of above | |
| 13. |
The fitting of the substrate in the active site is called as |
| A. | condensation |
| B. | hydrolysis |
| C. | lock and key hypothesis |
| D. | polymerization |
| Answer» D. polymerization | |
| 14. |
The number of sex chromosomes in human is |
| A. | 10 |
| B. | 5 |
| C. | None of above |
| D. | 15 |
| Answer» D. 15 | |
| 15. |
Substances which do not actively reabsorbed in the proximal convoluted tubule are |
| A. | K ions |
| B. | Na ions |
| C. | vitamins |
| D. | amino acids |
| Answer» B. Na ions | |
| 16. |
The lining of the proximal convoluted tubule is made up of |
| A. | basement membrane |
| B. | endothelium of the Bowman's capsule |
| C. | Podocytes |
| D. | cuboidal epithelial cells |
| Answer» E. | |
| 17. |
Two sets of chromosomes are |
| A. | found in all the cells |
| B. | not found in all the cell |
| C. | are found in all the cells except gametes |
| D. | are found in all the cells except autosomes |
| Answer» D. are found in all the cells except autosomes | |
| 18. |
Most of the reabsorption takes place in the |
| A. | efferent arteriole |
| B. | afferent arteriole |
| C. | distal convoluted tubule |
| D. | proximal convoluted tubule |
| Answer» E. | |
| 19. |
Basal membranes of proximal convoluted tubule transport |
| A. | sodium ions into the cells |
| B. | sodium ions out of the cells |
| C. | potassium ions out of the cells |
| D. | potassium ions into the cells |
| Answer» C. potassium ions out of the cells | |
| 20. |
The specific thing for a particular type of molecule or ion is called as |
| A. | carrier proteins |
| B. | enzyme |
| C. | None of above |
| D. | Both A and B |
| Answer» E. | |
| 21. |
Cells of secondary growth are created in |
| A. | malignant tumors |
| B. | benign tumors |
| C. | may cause ovarian cysts |
| D. | result in warts |
| Answer» B. benign tumors | |
| 22. |
Which option is correct? Water |
| A. | leaves the xylem vessels through lignified areas |
| B. | leaves the phloem vessels to replace water lost in transpiration |
| C. | None of above |
| D. | leaves the xylem vessels through non-lignified areas |
| Answer» E. | |
| 23. |
Cancer is caused due to |
| A. | uncontrolled mitosis |
| B. | controlled mitosis |
| C. | exposure to stress |
| D. | controlled meiosis |
| Answer» B. controlled mitosis | |
| 24. |
An output is generated by the |
| A. | sensors |
| B. | receptors |
| C. | None of above |
| D. | effectors |
| Answer» E. | |
| 25. |
Na |
| A. | sodium sulphite |
| B. | ammonium sulphate |
| C. | sodium monosulphate oxidate |
| D. | sodium sulphate |
| Answer» E. | |
| 26. |
Loop of Henle is located in the |
| A. | cortex of the kidney |
| B. | medulla of the kidney |
| C. | Bowman's capsule |
| D. | pelvis |
| Answer» C. Bowman's capsule | |
| 27. |
The Lateral buds |
| A. | are inhibited to develop due to Abscisic acid |
| B. | are produced in the presence of Auxin |
| C. | are inhibited in the presence of Auxin |
| D. | are produced in the presence of gibberellins |
| Answer» D. are produced in the presence of gibberellins | |
| 28. |
In the electrolysis of aqueous copper sulphate CuSO |
| A. | hydrogen gas is given off |
| B. | pink deposit of copper metal is deposited |
| C. | Cu |
| D. | forms crystals |
| E. | hydrogen ions are easier to discharge than copper ions |
| Answer» C. Cu | |
| 29. |
Seed germination in plants is controlled through |
| A. | auxins |
| B. | gibberellins |
| C. | All of above |
| D. | Abscisic acid |
| Answer» B. gibberellins | |
| 30. |
Carbon-based monomers are including |
| A. | PVC |
| B. | nylon |
| C. | None of above |
| D. | Both A and B |
| Answer» E. | |
| 31. |
Which statement is incorrect? The chemical reaction of reduction is |
| A. | is carried out by sucrose-like sugars |
| B. | carried out by reducing sugars |
| C. | can be carried out through Benedict's solution |
| D. | the reducing sugars are oxidized in the process |
| Answer» B. carried out by reducing sugars | |
| 32. |
People who are infected with, likely to live their whole life |
| A. | HIV |
| B. | Acquired Immune Deficiency Syndrome (AIDS) |
| C. | All of above |
| D. | lungs cancer |
| Answer» D. lungs cancer | |
| 33. |
The grid cables are 15 km long with a resistance of 0.20 Ω km |
| A. | 60 kW |
| B. | 50 kW |
| C. | 30 kW |
| D. | 20 kW |
| Answer» D. 20 kW | |
| 34. |
The horizontal distance travelled by a ball if it's thrown with initial velocity of 20 ms |
| A. | 56 m |
| B. | 24 m |
| C. | 36.3 m |
| D. | 35.3 m |
| Answer» E. | |
| 35. |
The prefix for 10 |
| A. | deci |
| B. | micro |
| C. | nano |
| D. | centi |
| Answer» D. centi | |
| 36. |
In β |
| A. | a simple quark |
| B. | a strange quark |
| C. | an anti quark |
| D. | a down quark |
| Answer» E. | |
| 37. |
The mass of steel sphere having density 7850 kgm |
| A. | 290 kg |
| B. | 112 kg |
| C. | 300 kg |
| D. | 110.9 kg |
| Answer» E. | |
| 38. |
A car is travelling at 15 ms |
| A. | 55 km |
| B. | 54 km |
| C. | 57 km |
| D. | 56 km |
| Answer» C. 57 km | |
| 39. |
The average force acting on 900 kg car if it's velocity ranges from 5 ms |
| A. | 2000 N |
| B. | 1875 N |
| C. | 1560 N |
| D. | 3000 N |
| Answer» C. 1560 N | |
| 40. |
The arrangement of BF |
| A. | tetrahedral |
| B. | linear |
| C. | trigonal |
| D. | hexagonal |
| Answer» D. hexagonal | |
| 41. |
Consider the reaction: Al(s) + O |
| A. | 2 |
| B. | 1 |
| C. | 4 |
| D. | 3 |
| Answer» E. | |
| 42. |
Upon reaction with NaOH, Silicon dioxide (SiO |
| A. | as an alkali |
| B. | an acid |
| C. | None of Above |
| D. | both of these |
| Answer» C. None of Above | |
| 43. |
The optimum pH value for action of SO |
| A. | 4 |
| B. | 3 |
| C. | 1 |
| D. | 2 |
| Answer» B. 3 | |
| 44. |
The letters denote sub-shells are |
| A. | S,P,D,F |
| B. | s,p,d,f |
| C. | s,p,l,m |
| D. | l,m,n,p |
| Answer» C. s,p,l,m | |
| 45. |
Catalysts speed up reactions but when equilibrium is reached it has |
| A. | no effect |
| B. | huge effect |
| C. | ended |
| D. | slow effect |
| Answer» B. huge effect | |
| 46. |
Carbonmonooxide poisoning can cause a person |
| A. | unconscious |
| B. | dizzy |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 47. |
A secondary cell used in car battery is composed of plates of |
| A. | lead oxide |
| B. | lead |
| C. | none |
| D. | both a and b |
| Answer» E. | |
| 48. |
configuration of 18 electrons in third principal quantum level in s=2, p=8 and d will be |
| A. | 10 |
| B. | 18 |
| C. | 11 |
| D. | 12 |
| Answer» B. 18 | |
| 49. |
As the metallic radii increase in Group II, the density/gcm |
| A. | decreases |
| B. | increases |
| C. | depends upon the elements it reacts with |
| D. | remains the same |
| Answer» C. depends upon the elements it reacts with | |
| 50. |
Consider the reaction: Al(s) + Cl |
| A. | 2 |
| B. | 1 |
| C. | 4 |
| D. | 3 |
| Answer» B. 1 | |