Entrance Model Question For class 11

1. Selective accumulation of iodine occurs in:
    a) Intestine     b) Thymus     c) Thyroid     d) Liver
    Ans. 3

2. Sympathetic nervous system is also called as:
    a) Central nervous system
    b) Peripheral nervous system
    c) Autonomous nervous system
    d) None
    Ans. 3

3. Which one of the following diseases results from endocrine disorder?
    a) Pneumonia      b) Goitre       c) Typhoid      d) Jaundice
     Ans. 2

4. In rabbit, the digestion of cellulose takes place in:
    a) Colon      b) Ileum     c) Caecum      d) Rectum
    Ans. 3

5. The structure which prevents the entry of food into respiratory tract is:
     a) Larynx     b) Pharynx     c) Glottis     d) Epiglottis
     Ans. 4

6. Fat soluble vitamins are:
    a) A, D, & E
    b) B, C, and D
    c) B and C
    d) A, B and C
    Ans. 1

7. Rickets is a kind of:
     a) Communicable disease
     b) Deficiency disease
     c) Genetic disease
     d) Infective disease
     Ans. 2

8. Liver secretes:
     a) No enzymes       b) Digestive enzymes     c) Hormones      d) Succus entericus
     Ans. 1

9. Which is the element that hardens the tooth enamel?
   a) Calcium      b) Fluorine     c) Iodine     d) Sodium
    Ans. 2

10. Which one of the following is regarded as main cellular fuel?
    a) Protein     b) Fat      c) Fructose     d) Glucose
     Ans. 4

11. In man, the bile juice secreted per day is:
    a) 250ml       b) 600ml        c) 1000ml      d) 1500ml
    Ans. 2

12. A vitamin formed in skin upon exposure to UV rays is vitamin:
     a) A     b) B2      c) C      d) D
     Ans. 4

13. Plants are similar to animals because:
   a) They respire during night
   b) They respire during the day and night
   c) They respire when it is required
   d) They respire during the day only
   Ans. 2

14. Which one of the following acts both as endocrine and exocrine gland?
    a) Adrenal     b) Pancreas      c) Kidney     d) Liver
    Ans. 2

15. The most abundant substance in protoplasm is:
   a) Protein     b) Fat     c) Carbohydrate      d) Water
   Ans. 4

16. The metal associated with hemoglobin is:
    a) Sodium        b) Iron     c) Magnesium      d) Manganese
    Ans. 2

17. Which gas makes the most stable combination with Hb of RBC?
    a) CO2       b) CO      c) O2     d) N2
    Ans. 2

18. Urea is transported by:
     a) Plasma      b) Blood      c) RBC      d) WBC
     Ans. 1

19. Maximum absorption of water in mammals is in:
     a) Lungs      b) Skin      c) Kidney      d) Spleen
     Ans. 3

20. Which one of the followings, is not the excretory organ:
    a) Kidney     b) Liver      c) Lung      d) Spleen
    Ans. 4

Entrance Model question Science(Chemistry)

  If you have any problem solving the any question feel free to msg us our facebook page

Entrance Sample Questions for Grade Eleven Chemistry

1. Naturally occurring boron consists of two isotopes whose atomic masses are 10.01 and 11.01. The average atomic mass of naturally occurring boron is 10.81. Calculate the percentage of each isotope in natural boron.
2. How many atoms of sodium react with water to form 0.5 mole of hydrogen gas?
3. State the law of reciprocal proportion.
4. Calculate the mass of 60% H2SO4 required decomposing 50 g of chalk (CaCO3).
5. Write the equation relating:
6. Density with the pressure of a gas at constant temperature. Name the law which relates these parameters.
7. Density with the temperature of a gas at constant pressure. Name the law which relates these parameters.
8. Define vapor pressure of a liquid. What is the effect of temperature on the vapor pressure of a liquid?
9. State Graham’s law of diffusion. How it differs from the term effusion?
10. The atomic mass of an element is doubled its atomic number. If there are four electrons in the 2p- orbital, then name the element and draw its electronic configuration.
11. Entrance Sample Questions for Grade Eleven Chemistry
12. Define Pauli Exclusion Principle. Why is it called exclusion principle?
13. Define the term oxidant and reductant. Give an example in each case.
14. Calculate the value of Kc for the following reaction:
15. Why H2O is liquid while H2S is a gas?
16. Write the Lewis structure of :
17. H2O2 and ii)         H2SO
18. When lime stone is heated, a compound A is formed. The compound A in water forms compound B. On passing CO2 gas through a solution of compound B, white precipitate reappears. Write the formula of A and B and also write the balanced chemical equation.
19. What happens when ammonium hydroxide is gradually added to the aqueous solution of blue vitriol till excess?
20. A test tube contains a solution of one of the following:
21. NaCl, NaBr and NaI. Describe the single test that can distinguish among these salts.
22. 
    
23. Give the reaction involved in the laboratory preparation of SO2 What happens when SO2 is passed through acidified solution of potassium permanganate?
24. Write the IUPAC name of the following compounds:
25. What happens when sodium propionate is heated with soda lime?
26. Define an electrophile and nucleophile giving an example from each.
27. Why does table salt get wet in rainy season?
28. What do you mean by flux and slag? Give one example from each.

Entrance Sample Questions for Grade Eleven Chemistry

1. 48 gm of magnesium combine with 32 gm of oxygen and produce 80 gm of magnesium oxide. Which law do these illustrate? State the law.
2. State and explain Avogadro’s hypothesis.
3. Differentiate between crystalline and amorphous solid.
4. Why does hydrogen gas show large number of line spectra though hydrogen atom contains one electron?
5. An atomic orbital has n=3. What are possible values of l and m?
6. What are radioisotopes? Give an example.
7. Give Lewis structure of i) N2O5 ii) N2O3.
8. How does electron pool theory explain the thermal conductivity of metal?
9. A student reported that the radii of Cu,Cu+ and Cu++ are 96 pm,122 pm and 72 pm respectively. Do you agree with the reported values? Justify the answer.
10. Identify oxidizing and reducing agents in the following redox reactions.
11. Cr2O7— + H+ +C204—  ®    Cr++ + CO2 + H20
12.       Also give reason to support your answer.

Entrance Sample Questions for Grade Eleven Chemistry

1. Define law of mass action. What is the relation between Kp and Kc for following reaction?          PCl5(g) ®    PCl3(g) + Cl2(g)
2. How does superoxide differ from peroxide? Give one example of each.
3. A compound ‘X’ on gentle heating with slaked lime evolved a gas ‘Y’which gave dense white fumes with conc. HCl. Name ‘X’ and ‘Y’. Write down the equation for the reaction involved.
4. Write the formula and use of the followings: a)Borax  b)Hypo
5. Write the action of hot aq.NaOH on white phosphorus.
6. What do you mean by photochemical smog?
7. Give a concise account of electro-refining of impure metal.
8. Write the action of water on quicklime.
9. Define electrophile and nucleophile with examples.
10. How does ethyne react with sodium metal? What information do you get from this reaction?
11. Ozonolysis of an alkene ‘A’ followed by hydrolysis with water and zinc gave a mixture of two isomers of the formula C3H6O. Give the structure of alkene.
12. (a) 420       (b) 22         (c) 44      (d) 1000

Entrance Model question class 11 (physics)

 ,

ANSWER AT THE BOTTOM

 PHYSICS
1. Total internal reflection can occur when lights passes from:
(a) a denser to rarer medium
(b) a rarer to denser medium
(c) one medium to another of equal refractive index
(d) medium to another of equal absorption coefficient

2. Sound energy is converted into electrical energy in a:   
(a) loud speaker           (b) microphone            (c) sonometer      (d) earphone         

3. The numerical value of average velocity to average speed is:     
(a) always less than one    (b) always greater than one    (c) always equal to one     (d) equal or less than one
         
4. Newton’s first law of motion gives the concept of:       
(a) energy            (b) work         (c) inertia         (d) momentum
         
5. The mass of a particle at the centre of the earth is:
(a) zero            (b) slightly more than at the poles         (c) infinite        (d) same as at the poles     

6. The rear view mirror in a car is:   
(a) plane mirror            (b) concave mirror         (c) convex mirror         (d) None   

7. A convex mirror gives an image which is:
(a) real and inverted       (b) virtual and inverted          (c) virtual and erected             (d) virtual and magnified
         
8. A boat full of scrap iron is floating on water in a lake. If all the iron is dropped into water the water level will:
(a) go up            (b) remain the same      (c) rise very high        (d) fall down
         
9. The velocity of electromagnetic wave is: 
(a) 2 ×108m/s   (b) 3 ×1011cm/s           (c) 332m/s        (d) 3 ×108m/s
         
10. An object is projected upwards with a velocity of 100 m/s. It will strike the ground in about:
(a) 5s         (b) 10s         (c) 20s           (d) 15s
         
11. An iron ball and a wooden ball of the same radius are released from the same height h in vacuum. The time taken by both of them to reach the ground are:   
(a) roughly equal       (b) zero          (c) exactly equal      (d) unequal
         
12. When the resultant force on a body is not zero it produces:     
(a) linear acceleration     (b) angular acceleration         (c) constant velocity     (d) inertia
         
13. The most characteristic property of a liquid is: 
(a) elasticity       (b) fluidity     (c) formlessness          (d) volume conservation
         
14. The velocity of sound is largest in:       
(a) air      (b) water       (c) steel rod       (d) kerosene oil
         
15. A bulb is marked 110W-220V. The resistance of the filament is:         
(a) 110 ohm       (b) 220 ohm      (c) 440 ohm     (d) 2 ohm
         
16. A rocket works on the principle of:       
(a) conservation of mass         (b) conservation of energy      (c) conservation of linear momentu   (d) conservation of angular momentum
         
17. Of the following which is not a scalar quantity?
(a) time            (b) momentum            (c) volume         (d) density
         
18. Pressure exerted by a liquid depends upon:     
(a) density       (b) surface tension         (c) viscosity      (d) buoyancy
         
19. Principle of transmission of pressure is stated by:         
(a) Charle’s law           (b) Newton’s law       (c) Pascal’s law          (d) Boyle’s law
         
20. Water reservoirs are made thicker at the bottom rather than at the top because:
(a) water is denser at the bottom
(b) pressure is greater at the bottom
(c) P.E. of water is greater at the bottom     
(d) K.E. of water is greater at the bottom
         
21. Atmospheric pressure is measured by using:     
(a) hydrometer                    (b) thermometer      (c) calorimeter      (d) barometer
         
22. A piece of ice is floating in jar containing water. When the ice melts then the level of (a) water:          (b) rises            (c) falls            (d) remains unchanged
         
23. Which one of the following would a hydrogen balloon find easiest to lift?     
(a) 1 kg of steel           (b) 1 kg of lightly packed feather         (c) 1 kg of water     (d) all the same
         
24. A conical vessel of vertical height h filled with a liquid of density d rests on its base. If g is the acceleration due of gravity, the pressure at the point on the base is:
(a) 1/3 dgh         (b) 1/2 dgh       (d) 2/3 dgh       (e) dgh     

25. A wooden cube just floats inside the water when a 200 gm mass is placed on it. When the mass is removed the cube is 2 cm above the water level. The side of the cube is:
(a) 5 cm           (b) 10 cm         (c) 15 cm         (d) 20 cm
         
26. The walls of the music concert halls:     
(a) amplify sound        (b) refract sound        (c) produce reverberation        (d) absorb sound
         
27. A body of volume 100 cc immersed completely in water contained in a jar. The weight of water and jar before immersion of the body was 700 gm. After immersion, the weight of water and jar will be:
(a) 500 gm       (b) 700 gm        (c) 100 gm        (d) 800 gm
         
28. The internal energy of a gas molecule of an ideal gas depends on:       
(a) pressure alone        (b) volume alone         (c) temperature alone      (d) none
         
29. Sound when a tuning fork vibrates the waves produced in the fork are:
(a) longitudinal            (b) transverse      (c) progressive          (d) stationary
         
30. Which one of the following characteristics of the sound is affected by the change in temperature?   
(a) wavelength                  (b) amplitude         (c) intensity       (d) frequency
         
31. A man is standing between the two cliffs. On clapping his hands a series of echoes are heard at the intervals of 1.5 sec. If the speed of sound is 350 m/s the distance between two cliffs is:         
(a) 175 m         (b) 350 m        (c) 525 m        (d) 700 m
         
32. The distinction between the voice of a man and that of woman is possible because of difference between: 
(a) loudness of two sounds        (b) intensity of two sounds      (c) pitch of two sounds                              (d) quality of two sounds
         
33. The speed of sound in air is 350 m/s. The frequency of the tuning fork that produces sound wave of wavelength 7x10-3 m in air is:
(a) 4000 Hz        (b) 4200 Hz      (c) 4500 Hz      (d) 50000 Hz
         
34. The factor that helps to recognize a person by his voice is:       
(a) loudness        (b) pitch          (c) intensity       (d) quality
         
35. Decibel is the unit of:     
(a) light intensity            (b) sound intensity       (c) heat intensity        (d) none of above
         
36. What causes reverberation?       
(a) reflection        (b) refraction             (c) interference          (d) absorption

37. In an empty hall, we hear sounds louder than in a hall packed with people. It is because of: 
(a) less absorption of sound      (b) doppler effect      (c) refraction of sound           (d) change in speed of sound
         
38. The weightlessness is experienced while orbiting the earth in a spaceship is the result of:       
(a) centripetal acceleration      (b) zero acceleration due to gravity     (c) inertia       (d) none
         
39. The escape velocity of a projectile from the earth is approximately:     
(a) 7 km/s        (b) 11.2 km/s     (d) 1.1 km/s     (e) 11.2 m/s

40. An object is projected upwards with a velocity of 100 m/s. It will strike the ground in about:
(a) 5s          (b) 10s        (c) 20s           (d) 15s
         
41. A stone dropped from a bridge reaches the bottom in 4s. The height of the bridge is:
(a) 78.4 m        (b) 64 ft           (c) 2000 cm     (d) 260 m
         
42. A ball drawn vertically upwards with an initial velocity of 19.6 m/s returns in 4s. The maximum height attained by the ball is:
(a) 19.6m         (b) 26.7m        (c) 9.8m          (d) none
         
43. Ball pen functions on the principle of:   
(a) viscosity        (b) Boyle’s law         (c) gravitational force      (c) surface tension
         
44.Sound waves in air are:   
(a) transverse wave     (b) longitudinal wave    (b) may be both types          (c) none
         
45. Which is used in measurement of high temperature:     
(a) mercury thermometer         (b) platinum resistance thermometer     (c) thermo electric pyrometers         (d) none
         
46. The thermal capacity of 40gm of aluminum of specific heat 0.2 cal/gm0C is: 
(a) 0.4 cal/oC           (b) 160 cal/oC        (c) 8 cal/oC       (d) 4000 cal/oC
         
47. Mercury thermometer can be used to measure temperature up to:
(a) 360 oC          (b) 500 oC        (c) 212 oC        (c) 100 oC
         
48. When 20 gm of water is heated from 10 oC to 15 oC , the required energy in joule is:

1a                         11c

2b                         12a

3d                         13b

4c                         14c

5d                         15c

6c                         16c

7c                         17b

8d                         18a

9d                         19c

10c                       20b