MDCAT XI Test Series(2025): Xi General Test 1

1.

By the time the conference starts, the team _____ the project proposal for weeks.

2.

If you don’t book the tickets soon, they _____ by the time we decide.

3.

By next month, she _____ her new novel, assuming she meets her writing deadlines.

4.

By the time you arrive, we _____ for the movie to start for over an hour.

5.

If the negotiations fail, the company _____ its expansion plans by the end of the year.

6. Which of the following is not present in prokaryotic cells:

7. Which of the following is NOT a feature of mitochondria?

8. Why are glycolipids important in red blood cells (RBCs)?

9. The type of inhibition that occurs only when enzyme-substrate complex is formed:

10. What gives an enzyme its ability to bind a specific substrate?

11. Match the following terms with their definitions:

A. Apoenzyme. i. Enzyme with its co-factor
B. Holoenzyme. ii. Protein part of an enzyme without co-factor
C. Coenzyme. iii. Detachable organic non-protein molecule

12. Which of the following statements is/are correct about rRNA?

13. ___ is a steroid & precursor for testosterone, progesterone and estrogen

14. The scientist who determined the sequence of amino acids in insulin was;

15. Which part is present  in non-dividing cells?

16. In the given diagram of mitochondrion, which part is responsible for ATP production?

17. Match the chromosome types with their centromere positions:

A.Metacentric — (i) Far from center

B.Sub-metacentric — (ii) At end of chromosome

C.Telocentric — (iii) Center of chromosome

D.Acrocentric — (iv) Slightly away from center

18. This disc-shaped organelle is involved in packaging and processing of proteins and consists of cristae.

19. Which of the following statements about the Golgi complex is correct?

20. If a cell is observed to have a high number of mitochondria, what can be inferred about the cell's function?

21. Which of the following correctly describes the structure of a eukaryotic ribosome?

22. Ribosomes are chemically made of ___ (40%) and ___ (60%).

23. The site of ribosome production in eukaryotic cells is:

24. Choose the odd one out regarding SER functions:

25. Which of the following statement(s) about plasma membrane is/are correct?

i.The lipid bilayer is retained as the fluid state

ii.Peripheral proteins are completely embedded inside the lipid bilayer.

iii. Integral proteins form channels for ion transport.

iv.Fluid mosaic model explains the structure and flexibility of membrane.

26. Which components of the plasma membrane act as cell surface markers and help in cellular identification?

27. According to the sandwich model, the plasma membrane consists of:

28. Which layer of cell wall  acts as a cementing layer between two plant cells?

29. Which of the following statements about the primary cell wall is/are correct?

1. It is the first product of the cell.
2. It becomes thick and rigid due to lignin deposition.
3. It contains hemicellulose and pectin.

30. Match the enzyme class with its action:

i. Hydrolase → a. Transfers groups

ii. Lyase → b. Rearrangement within a molecule

iii. Transferase → c. Bond breaking by water

iv. Isomerase → d. Removes groups without hydrolysis

31. Which of the following is an example of a competitive inhibitor?

32. Which enzyme is used to convert glucose-6-phosphate into fructose-6-phosphate?

33. Feedback inhibition is a type of:

34. Based on the substrate concentration vs. reaction rate graph, what is the meaning of "point of saturation"?

35. In the given energy of activation graph, what does the lowered curve (with enzyme) represent?

36. __ is the non-protein part of an enzyme that is permanently attached and not detachable:

37. Which of the following statements is true?

38. Which of the following statements is correct about enzymes?

1) All enzymes are inorganic catalysts.

2) Enzymes are always used up in reactions.

3) Enzymes work at a wide range of pH values.

4) Enzymes remain chemically unchanged during reactions.

39. Which of the following statements is incorrect about the structure of enzymes?

40. Which of the following is not a function of prostaglandins?

41. What distinguishes a nucleoside from a nucleotide?

42. Why do lipids provide almost double the energy as compared to carbohydrates?

43. Which statement is TRUE regarding sickle cell anemia?

44. Which of the following are true for fibrous proteins?

i. They are elastic in nature

ii. They are soluble in water

iii. They are non-crystalline

iv. They have structural roles

45. Chitin contains increased ___ bonding which gives it more strength.

46. Why is chitin stiffer than pure chitin in nature?

47. Which of the following statements is correct regarding sugars in the human body?

48. Identify the sugar with the following properties:

• Composed of glucose and fructose
• Has a glycosidic linkage
• Is a reducing sugar

49. Which of the following statements about adhesion is correct?

50. Which of the following is a characteristic of a reducing sugar?

51. . Arrange the following biomolecules in the order of their percentage in a mammalian cell (from lowest to highest):

i.Protein

ii. RNA

iii. Carbohydrates

iv. Lipid

52. A reaction occurs under normal room conditions between 2.5 moles of carbon and 2.5 moles of oxygen gas. What will be the volume of the product?

53. Lateral overlapping is expected in:

54. What is the % of s character in the hybridized orbital that forms sigma bonding in ethene?

55. Which compound has bond angle nearly to 90°?

56. Pressure remains constant at unknown temperature the volume of an ideal gas is doubled as compared to volume at 0°C. What is that unknown temperature?

57. When electric field is subjected towards plasma is. It deflected_____

58. The maximum number of electron is an atom with l = 2 , n = 3 , m=0, s= -1/2

59. Bohr's model was contradicted by

60. Rydberg constant=___?

61. If Hassan has two atoms each of ( hydrogen and lithium ), when he put them in different discharge tube and start his experiment on electron. If the mass of lithium is 3 times more than hydrogen what will be its charge to mass ratio of electron if 1 electron is removed from both?

62. he density of a gas at 0°C and 1atm is Y. if pressure is 10atm at which of
the following temperatures will its density become 5Y.

63. Which of the following polar bonded molecule has zero dipole moment?

64. Which of the following molecules has two unpaired electron anti-bonding molecular orbitals?

65. Which of the following is odd in shape?

66. Molecular orbital theory explains well:

67. Which of the following is correct
I. S orbital has spherical shape
II. Electron jumps from 1s to 3F by absorbing energy
III . 4l +2 is use to count number of electron in orbitals

68. A mixture of 10 mL of C₂H₄ and 20 mL of C₃H₆ will produce how much CO₂ on complete combustion?

69. Choose the best in which you can expect theoritical yield less than actual yield:

70. The given mass of carbon is 12 g and oxygen is 32 g. The volume of CO₂ will be 22.414 dm³. Which law gives the best description?

71. Azhar loves to perform experiment when he takes hydrogen gas and cool this gas to O kelvin then what will happen?

72. In order to perform liquefication , choose the most appropriate option from which it occurs quickly:

73. Which of following is incorrect?

74. For a gas, which pair of variables are inversely proportional to each other (if all other conditions remain constant)?

75. If the strong repulsive force exist between gas molecules then value of z will be

76. The following graph shows:

77. Work does not depends on:

78. Impulse is equal to:

79. If momentum is increase by 10%,then kinetic energy is increased by:

80. Which two quantities are constant in uniform circular motion?

81. A body is rotating around a circle of radius 2 m and has a centripetal acceleration of 18 m/s². What is the time period of the body?

82. When two projectiles are fired with the same velocity, one at 120 degrees and the other at 60 degrees, which of the following is not correct regarding these two?

83. Power depends on:

84. In uniform circular motion:

85. Height of projectile is independent of:

86. Acceleration of body is said to be non uniform if:

87. Direction of angular velocity is:

88. A projectile is thrown at an angle of 45 degrees. The range covered by the projectile is 100 m. What is the maximum height reached by the projectile?

89. Workdone by variable force can be calculated by:

90. Which of the following is/are  not examples of projectile motion?

91. A body of mass 3 kg is rotating with an angular velocity of 2 rad/s around a circle of radius 4 m. What is the centripetal force of the body?

92. Choose correct regarding projectile:

93. Two perpendicular forces of 3 N and 4 N are acting on a body which covers 25 m in 5 seconds. Calculate the power of the body.

94. When angular velocity is constant,then centripetal acceleration is:

95. Choose the correct statement regarding ideal projectile motion:

96. Select the letter-cluster from among the given option that can replace the question mark (?) in the following series.EXIT, FZLX, GBOB, ?, IFUJ

97. X introduces Y saying, “He is the husband of the grand daughter of the father of my father”. How is Y related to X?

98. How many triangles are there in the given figure?

99. If '-' is multiplication, '+' is division, ' . ' is subtraction and '÷' is addition, then find the correct equation.

100. If the word NUPKIPM is unscrambled, then the name of a fruit/vegetable is formed. What is the last letter of the word so formed?