SAMPLE PAPER for Class XI (Bio) · 1 day ago · (1) Gravitational force x diameter of the orbit of moon (B) Gravitational force x circumference of the orbit of the moon (C) Centripetal

SAMPLE PAPER

for

Class XI (Bio)

RESONANCE Page No # 2

PART - I (PHYSICS)

1. Electromagnetic wave theorywas proposed by :(A) Maxwell (B) Hertz (C) Huygens (D) Newton

2. Two thin convex lenses of focal lengths 10 cm and 20 cm are placed in contact. Then effective power ofthe combination is :(A) 2D (B) 3D (C) 11D (D) 15D

3. A person connects four

41resistance internal cells in series but one cell has its terminals reversed.

The external resistance is 1 W . If each cell has an e.m.f. of 1.5 V, the current flowing is :

(A) A34

(B) A43

(C) 1.5 A (D) zero

4. Choose the source of energy which is different from others :(1) Gobar gas (B) Vegetable refuse (C) Plants (D) Crude oil

5. Which of the following shows that the earth behaves as amagnet ?(A) Repulsion between like poles.(B) Attraction between unlike poles.(C) Existence of null points in the magnetic field of a bar magnet.(D) Non-existence of monopoles.

6. Figure shows the eye suffering from :

(A) hypermetropia

(B) myopia

(C) astigmatism

(D) none of these

7. A proton is moving with velocity 104m/s parallel to the magnetic field of intensity 5 tesla. The force on theproton is -(A) 8 × 10–15 N (B) 104 N (C) 1.6 × 10–19 N (D) Zero

8. AC is preferred because :(A) it is cheap (B) it is easily reproducible(C) it is economical in transmission (D) it is not dangerous

9. Two copper wires, one of length 1 m and the other of length 9m, are found to have the same resistance. Theirdiameters are in the ratio :(A) 3 : 1 (B) 1 : 9 (C) 9 : 1 (D) 1 : 3

10. Which of the following is not combustible ?(A) Oxygen (B) Butane (C) Hydrogen (D) Methane

11. A swimming pool appears to be 2m deep. Its actual depth is ( for water = 1.33) :(A) 2.66 m (B) 2 m (C) 2.34 m (D) 2.54 m

12. A machine gun fires n bullets per second and the mass of each bullet is m. If the speed of each bullet is v, thenthe force exerted on the machine gun is :

(A) mng (B) gmnv

(C) mnv (D) mnvg


13. A body moving with a constant retardation in straight line 5.7 m and 3.9 m in 6th and 9th second, respectively.When will the body come momentarily to rest.

(A) 35s (B) 15s (C) 10.5s (D) 25.3 s

14. The distance travelled by a freely falling body is proportional to :

(A) the mass of the body (B) the square of the acceleration due to gravity

(C) the square of the time of fall (D) the time of fall

15. For the same kinetic energy, the momentum shall be minimum for :

(A) electron (B) proton (C) neutron (D) alpha particle

16. The weight of a body at the centre of the earth in comparison to the weight of the body on the surface of theearth is :

(A) zero (B) same (C) half (D) double

17. An object of mass 1 kg has a potential energy of 10 Joule relative to the ground. When it is at a height of :

(A) 1 m (B) 0.1 m (C) 10 m (D) 5 m

18. A stationary ball weighing 0.25 kg acquires a speed of 10 m/s when hit by a hockey stick. The impulseimparted to the ball is :

(A) 0.25 N × s (B) 2.5 N × s (C) 2 N × s (D) 0.5 N × s

19. The work done in one complete revolution of moon around the earth is equal to :

(1) Gravitational force x diameter of the orbit of moon

(B) Gravitational force x circumference of the orbit of the moon

(C) Centripetal force x radius of orbit

(D) Zero

20. A particle moves in a circle of radius 2m and completes one round in 10 seconds. Calculate the linear velocity:

(A) 20 m/s (B) 0.2 m/s (C) 200 m/s (D) 0.4 m/s

21. Two diversAand B jump into the river and approaches towards deep bottom of river. Suppose at a time, A and Bare at 25m and 50m respectively below the water surface, then who will experiencemore pressure:

(A) A

(B) B

(C) Both Aand B will experience same pressure

(D) No one, because water doesn.t exert pressure

22. The relative density of silver is 10.5, if the density of water is 1000 kgm-3, then density of silver will be :

(A) 10.5 kgm–3 (B) 1050 kgm–3 (C) 105 kgm–3 (D) 10500 kgm–3

23. A metal object when fully immersed in water, displaces 2 litres of water.What is the loss in the weight in water?

(A) 10 N (B) 24 N (C) 17.5 N (D) 19.6 N

24. A sonar echo takes 5 s to return from a submarine. If the speed of sound in water is 1500 ms.1, then thedistance of submarine from the sonar station is :

(A) 7500m (B) 3500m (C) 3750m (D) 300 m

25. A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What isthe time interval between the successive compression from the source ?

(A) 5 ms (B) 1 ms (C) 2 ms (D) 2 s


PART - II (CHEMISTRY)26. Match the following and choose the correct answer :

Column I Column II(a) Solid (i) Super energetic particles(b) Liquid (ii) Neither shape nor fixed volume at a given pressure.(c) Gas (iii) Has definite shape(d) Plasma (iv) Do not havedefinite shapewith lessmolecular forces

than that in solids.(A) a - i, b - ii, c - iii, d - iv (B) a - iii, b - iv, c - ii, d - i(C) a - iii, b - iv, c - i, d - ii (D) a - i, b - iv, c - ii, d - iii

27. Ice floats on water because -(A) density of ice is higher than water. (B) density of ice is lower than water.(C) temperature of ice is lower than water. (D) temperature of water is higher than ice.

28. SH2SH 22 II . The oxidising agent is -

(A) I2 (B) S (C) H2S (D) HI29. Presence of impurities -

(A) lowers the boiling point of liquid. (B) increases the melting point of solid.(C) increases the boiling point of liquid. (D) none of these

30. Which of the following statements is not correct ?(A) A compound is a pure substance(B) A compound is homogeneous in nature(C) A compound always contains two or more elements(D) A compound can be separated into constituent elements by some physical process

31. A pure substance can only be -(A) a compound (B) an element(C) an element or a compound (D) a heterogeneousmixture

32. Some matter and their group are given in column P and Q respectively.Column-P Column-Q(a) Air (i) Element(b) O2 (ii) Mixture(c) Copper sulphate (iii) Base(d) Sodium hydroxide (iv) SaltThe correct option is -(A) a (ii) , b (iv) , c (i), d(iii) (B) a(iv) b, (iii), c (ii), d (i)(C) a (i), b (ii), c (iii), d (iv) (D) a (ii) , b (i), c (iv), d (iii)

33. When a beam of light is passed through a colloidal solution, it gets -(A) reflected (B) absorbed (C) scattered (D) refracted

34. The solubility of K2SO4 in water is 16 g at 50ºC. The minimum amount of water required to dissolve 4 g K2SO4is -(A) 10 g (B) 25 g (C) 50 g (D) 75 g

35. In which of the following, dispersed phase is a liquid and dispersion medium is a gas ?(A) Cloud (B) Smoke (C) Gel (D) Soap bubble


36. Which of the following statement is not correct about true solution ?(A) It can pass through filter paper(B) It is homogeneous in nature(C) At constant temperature, particles of solute settle down(D) From a true solution, the solute can easily be recovered by evaporation or crystallisation

37. A solution, which at a given temperature dissolves asmuch solute as it is capable of dissolving, is said to be a-(A) saturated solution (B) semi saturated solution(C) unsaturated solution (D) super saturated solution

38. The process of separation of various components of air by fractional distillation is based on the principle of(A) difference inmelting points of various gases present in air(B) difference in boiling points of various gases present in air(C) difference in densities of various gases present in air(D) none of theses

39. The cream can be separated from the milk by the process of(A) filtration (B) evaporation (C) centrifugation (D) decantation

40. Asolution reacts with crushed egg-shells to give a gas that turns lime water milky. The solution contains-(A) NaCl (B) HCl (C) LiCl (D) KCl

41. Aqua - regia dissolves noble metals by producing -(A) Cl2 (B) N2 (C) NOCl (D) NCl3

42. Antacids contain(A) weak base (B) weak acid (C) strong base (D) strong acid

43. The pH of aqueous solutions of three acids A, B and C respectively is 3, 2 and 1.What will be the ratio of their[H+] ?(A) 1 : 2 : 3 (B) 300 : 200 : 10 (C) 100 : 10 : 1 (D) 1 : 10 : 100

44. Soda-lime is a mixture of -(A) NaOH + CaO (B) Ca(OH)2 + N2O(C) CaO +Ca(OH)2 (D) all are correct

45. The early attempts to classify elements were based on -(A) atomic number (B) atomic mass(C) electronic configuration (D) None of these

46. One important merit of modern periodic table is(A) it explains why element in the same group have the same chemical properties(B) hydrogen has been placed accurately(C) isobars have been placed separately(D) it is based on classifying elements according to their atomic masses

47. While moving in a period from left to right -(A) atomic size decreases. (B) nuclear charge increases(C) I.E. increases (D) All of the above

48. Equal masses of O2, H2 and CH2 are taken in a container. The respective mole ratio of these gases incontainer is -(A) 1 : 16 : 2 (B) 16 : 1 : 2 (C) 1 : 2 : 16 (D) 16 : 2 : 1

49. A balanced chemical equation is in accordance with -(A) Avogadro's law (B) law of constant proportions(C) law of conservation of mass (D) law of gaseous volumes

50. In the decomposition of impure KClO3, 4.9 g of it gave 1.49 g of KCl and 0.96 g of O2 gas .What is percentpurity of KClO3 ?(A) 20% (B) 50% (C) 70% (D) 40%


PART - III (BIOLOGY)51. Lysosomes are called suicidal bags because they have

(A) hydrolytic enzymes (B) parasitic activity (C) food vacuole (D) catabolic enzymes

52. Presence of DNA in chloroplasts and mitochondria indicates that(A) glycolysis occurs in them

(B) they originated as independent free living organisms

(C) they undergo meiosis and mitosis Independent of nucleus

(D) they take part in ATP synthesis

53. The basic difference between a living and non living is -(A) presence of cytoplasm (B) presence of protoplasm

(C) presence of mitochondria (D) none of these

54. Food does not enter windpipe due to structure called(A) glottis (B) epiglottis (C) pharynx (D) larynx

55. In amoeba absorption of the digested nutrients occurs in(A) cytoplasm (B) plasmamembrane (C) contractile vacuole (D) pseudopodia

56. Chemically enzymes are(A) fats (B) carbohydrates (C) hydrocarbons (D) proteins

57. Leaves respire with the help of(A) lenticles (B) stomata (C) plasmodesmata (D) cuticle

58. Both Photosynthesis and Respiration requires-(A) Sun Light (B) Oxygen (C) Carbohydrate (D) Cytochrome

59. If the thoracic wall gets punctred but not the lungs(A) The lungs get inflated (B) The man dies as the lungs get collapsed

(C) The breathing rate decreases (D) The breathing rate increases

60. Mammals are said to have double circulation, it means(A) Blood vessels are paired

(B) There are two types of blood vessels attached to every organ

(C) There are two systems

(D) The blood circulates twice through the heart

61. An artery is(A) thin-walled in which blood flows under low pressure

(B) thick-walled in which blood flows under high pressure

(C) thin-walled in which blood flows under high pressure

(D) thick-walled in which blood flows under low pressure.

62. Prepared food in plants is translocated by -(A) xylem from leaves to root (B) phloem from leaves to whole plant

(C) xylem from roots to leaves (D) phloem from roots to whole plant

63. Which of the following is known as artificial kidney -

(A) Ureters without kidney (B) Transplanted kidney

(C) Urinary bladder (D) Dialysis machine


64. Urea is transported by -

(A) Blood plasma (B) Leucocytes (C) Haemoglobin (D) Erythrocytes

65. Kidneys regulate the amount of -

(A) salts (B) hormones (C) proteins (D) enzymes

66. The functional unit of testis of man is

(A) uriniferous tubule (B) malpighian tubule (C) seminiferous tubule (D) acini or lobules

67. In case of asexual reproduction, the individual formed is exactly

(A) identical to parent (B) shows variations (C) form new characters (D) all are correct

68. Double fertilization is characteristic of

(A) angiosperms (B) algae (C) gymnosperms (D) bryophytes

69. Which disease is cured by DOTS strategy ?

(A) T.B. (B) Typhoid (C) Rabbies (D) Malaria

70. If a person lives exclusively on a diet of milk, egg and bread, he is likely to suffer from

(A) scurvy (B) night blindness (C) rickets (D) beri beri

71. Vaccine is not available against which of the following diseases ?

(A) Polio (B) Tuberculosis (C) Diphtheria (D) Malaria

72. Jaundice is a disease of

(A) Kidney (B) Liver (C) Pancreas (D) Duodenum

73. Hormone that stimulates heart beat is

(A) Thyroxine (B) Adrenaline (C) Glucagon (D) Gastrin

74. The hormone that promotes reabsorption of water from glomerular filtrate is

(A) oxytocin (B) relaxin (C) vasopressin (D) calcitonin

75. Which one is used for artificial ripening of banana ?

(A) Cytokinin (B) Ethylene (C) Auxin (D) Coumarin

76. Who is known as 'Father of taxonomy' ?

(A) Linnaeus (B) Darwin (C) Leeuwenhoek (D) Tansley

77. Thalloid body is found in-

(A) gymnosperm and fungi (B) pteridophyta and fungi

(C) angiosperm and fungi (D) bryophyta and algae

78. Which of the following statement is true ?

(A) Chordates have ventral hollow nerve cord (B) All vertebrates have open circulatory system

(C) All chordates are vertebrates (D) All vertebrates are chordates

79. Choanocytes are seen in

(A) coelenterata (B) porifera (C) mollusca (D) echinodermata

80. Which of the following pyramid is upright always ?

(A) Pyramid of number (B) Pyramid of energy (C) Pyramid of biomass (D) All of the above

81. The species,which are in danger of extinction are referred to as

(A) endangered species (B) vulnerable species (C) threatened species (D) rare species


82. Which gas is said to be known as "green house gas"

(A) O2 (B) CO2 (C) N2 (D) All of the above

83. The major drawback of D.D.T. as a pesticide is that

(A) it is significantly less effective than other pesticides

(B) it.s not readily and rapidly, degraded in nature

(C) organism at once develop resistance to it

(D) it.s cost of production is high

84. Green revolution refers to

(A) maintain soil fertility

(B) use of green plants for covering the earth

(C) development of new crop variety fulfill our need

(D) growing green plants to establish balance of nature

85. Heeding in animal husbandry is

(A) study of food (B) proper care andmanagement of animals

(C) cross breeding (D) all of the above

86. Gene A and B are necessary for normal hearing .What is the possible genotype of a normal child of deaf mother/ father ?

(A) aabb (B) aaBB (C) AaBb (D) Aabb

87. Sex chromosomes are also called as

(A) autosomes (B) allosomes (C) monosomes (D) karyosome

88. The term Genetics was coined by

(A) Mendel (B) Bateson (C) Muller (D) T.H.Morgan

89. Stanly miller synthesized

(A) proteins (B) Viruses (C) amino acids (D) Vitamins

90. Which of the following is not supplied with involuntary muscles ?

(A) Muscles of iris (B) Muscles of ducts of glands

(3)Muscles of urethra (D) Muscular coat of blood vessels

91. A protective noncellular layer found on the outside of plant organ is

(A) Epidermis (B) Vascular tissue layer (C) Cuticle (D) Hypodermis

92. Axon is concerned with -

(A) conduction of impulses (B) reception of impulses

(C) transformation of energy (D) providing energy for impulses

93. Cells capable of division are

(A) Meristematic cells (B) Intercalarymeristematic cells

(C) Undifferentiated cells (D) All of the above


94. A multicellular organism possesses

(A) differentiated cells (B) undifferentiated cells (C) dedifferentiated cells (D) all the above

95. Prokaryotic cell is the one, which does not have

(A) proper nucleus (B) mitochondria and golgi bodies

(C) nucleolus in their nucleus (D) A, B and C all are correct

96. The pigments found in plants are

(A) carotenes (B) xanthophylls (C) chlorophyll (D) all of the above

97. The wavelength of light used in photosynthesis ?

(A) 300 - 400 nm (B) 390 - 780 nm (C) 800 - 1000 nm. (D) all of the above

98. The covering of the lung is called

(A) Pericardium (B) Perichondrion (C) Pleuramembrane (D) Peritoneum

99. An ecosystem has two components such as

(A) frogs andmen (B) biotic and abiotic (C) plants and animals (D) weeds and trees

100. Damage of ozone layer is due to harmful effects of -

(A) CO2 (B) SO2 (C) organic compounds (D) chlorofluoro carbons


ANSWER KEY

1. (A) 2 (D) 3. (C) 4. (D)

5. (C) 6. (B) 7. (D) 8. (C)

9. (D) 10. (A) 11. (A) 12. (C)

13. (B) 14. (C) 15. (A) 16. (A)

17. (A) 18. (B) 19. (D) 20. (D)

21. (B) 22. (D) 23. (D) 24. (C)

25. (C) 26. (B) 27. (B) 28. (A)

29. (C) 30. (D) 31. (C) 32. (D)

33. (C) 34. (B) 35. (A) 36. (C)

37. (A) 38. (B) 39. (C) 40. (B)

41. (C) 42. (A) 43. (D) 44. (A)

45. (B) 46. (A) 47. (D) 48. (A)

49. (C) 50. (B) 51. (A) 52. (B)

53. (B) 54. (B) 55. (A) 56. (D)

57. (B) 58. (D) 59. (B) 60. (D)

61. (B) 62. (B) 63. (D) 64. (A)

65. (A) 66. (C) 67. (A) 68. (A)

69. (A) 70. (A) 71. (D) 72. (B)

73. (B) 74. (C) 75. (B) 76. (A)

77. (D) 78. (D) 79. (B) 80. (B)

81. (A) 82. (B) 83. (B) 84. (C)

85. (B) 86. (C) 87. (B) 88. (B)

89. (C) 90. (C) 91. (C) 92. (A)

93. (D) 94. (D) 95. (D) 96. (D)

97. (B) 98. (C) 99. (B) 100. (D)

Documents

SAMPLE PAPER for Class XI (Bio) · 1 day ago · (1) Gravitational force x diameter of the orbit of moon (B) Gravitational force x circumference of the orbit of the moon (C) Centripetal