Biology · NDA previous year questions

2009 13 questions

1. Q542009 · 30 Aug 2009

   MCQ (More than One Correct Answer) Which of the following plants is referred to as a living fossil?

   1. A.Ephedra
   2. B.Cycas
   3. C.Gingko
   4. D.Adiantum
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   Answer: B, C

2. Q572009 · 30 Aug 2009

   Softening of mature ripe fruits is due to

   1. A.dissolution of middle lamella
   2. B.degradation of primary wall
   3. C.delignification
   4. D.removal of suberin deposits in the cell wall
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   Answer: A

3. Q582009 · 30 Aug 2009

   Which part of saffron plant is used to obtain the spice ‘saffron’?

   1. A.Dry stigma
   2. B.Leaves
   3. C.Fruits
   4. D.Petals
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   Answer: A

4. Q612009 · 30 Aug 2009

   Which of the following regions/cells in the human body is involved in controlling blood sugar level?

   1. A.Pituitary gland
   2. B.Islets of Langerhans
   3. C.Hypothalamus
   4. D.Spleen
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   Answer: B

5. Q842009 · 30 Aug 2009

   A vessel contains oil of density $0.8gm/c{\mathrm{m}}^3$ over mercury of density $13.6gm/c{\mathrm{m}}^3$. A homogeneous sphere floats with half of its volume immersed in mercury and the other half in oil. The density of the material of the sphere in CGS unit is

   1. A.$3.3$
   2. B.$6.4$
   3. C.$7.2$
   4. D.$12.8$
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   Answer: C

6. Q912009 · 30 Aug 2009

   Dry ice is used for making cold-baths in laboratories by mixing with volatile organic solvents. Identify the form of dry ice from the following

   1. A.Gaseous carbon dioxide
   2. B.Liquid carbon dioxide
   3. C.Solid carbon dioxide
   4. D.Solid hydrogen oxide
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   Answer: C

7. Q632009 · 19 Apr 2009

   Match List I with List II and select the correct answer using the code given below the lists : List I (Substance)    List II (Raw Material) A. Glass B. Soap C. Paper D. Cement 1. Fat and caustic alkali 2. Cellulose fibre and gelatin 3. Silicates of calcium and aluminium 4. Silica Code :   A   B   C   D

   1. A.3 2 1 4
   2. B.4 2 1 3
   3. C.3 1 2 4
   4. D.4 1 2 3
   Show answer

   Answer: D

8. Q942009 · 19 Apr 2009

   Which one of the following is not an enzyme ?

   1. A.Amylase
   2. B.Pepsin
   3. C.Somatotrophin
   4. D.Trypsin
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   Answer: C

9. Q962009 · 19 Apr 2009

   Among the given nutrients, milk is a poor source of

   1. A.Calcium
   2. B.Protein
   3. C.Carbohydrate
   4. D.Vitamin C
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   Answer: D

10. Q982009 · 19 Apr 2009

    Which of the following organelles of a cell is/are involved in photosynthesis ?

    1. A.Chloroplast
    2. B.Mitochondrion
    3. C.Endoplasmic reticulum
    4. D.Golgi bodies
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    Answer: A

11. Q992009 · 19 Apr 2009

    The wounds of face bleed profusely because

    1. A.of its rich vascularity
    2. B.it is close to the heart
    3. C.its skin is soft
    4. D.of fast contraction of facial muscle
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    Answer: A

12. Q1012009 · 19 Apr 2009

    Match List I with List II and select the correct answer using the code given below the lists : List I (Disease)    List II (Diagnosis) A. AIDS B. Plague C. Typhoid 1. Widal test 2. Wayson stain test 3. ELISA test 4. Mantoux test Code :   A   B   C

    1. A.4 3 2
    2. B.3 2 1
    3. C.1 2 3
    4. D.3 2 4
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    Answer: B

13. Q1022009 · 19 Apr 2009

    Which of the following are the possible blood groups of the offspring of the parents with blood group O and AB ?

    1. A.O, A, B and AB
    2. B.A and B
    3. C.A, B and AB
    4. D.O and AB
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    Answer: B