Everyday Science CSS Paper 1987

Time Allowed: 2 Hours Maximum Marks: 50
Note: Attempt any ten questions. All questions carry equal marks.

  1. What are the achievements of the following scientists? (Answer any five)
    (a) Muhammad Bin Zakariya Razi (b) Ibn Al Hashim (c) Jabir Bin Hayyan (d) Ibne Rushd (e) Mendel (f) Watson and Clark (g) Lamarck

  2. Who discovered or invented the following? Answer any five.
    (a) Penicillin (b) X Ray (c) Telephone (d) Circulation of blood (e) Bicycle (f) Dynamite (g) Mercury thermometer

  3. (a) What do you understand by blood pressure?
    (b) What is the blood pressure in man under normal condition?
    (c) What is Reflex Action?
    (d) What is the difference between a virus and a bacterium?
    (e) Name any viral disease special to children.

  4. (a) What do you understand by immunity?
    (b) What is the principle of immunization?
    (c) Why is matching of blood groups done before giving blood transfusion?
    (d) What is the principle of pasteurization?

  5. Name the disease which are caused by the deficiency of the following. (Answer any five)
    (a) Vitamin A(C2H29OH) (b) Vitamin B1 (c) Vitamin C (d) Vitamin K (e) Insulin (f) Iodine (g) Gastrin

  6. Fill in the blanks. Answer any five.

(a) A process of digestion begins in ______________ .

(b) Sometimes when white blood corpuscles greatly increase in number, they cause a disease called ______________.

(c) The principle of wireless telegraphy was discovered by ______________.

(d) Earth is one of the ______________ planets which revolves round the sun.

(e) The planet nearest to the sun is ______________.

  1. Write notes on any five of the following:
    (a) Nuclear Fission (b) Cast Iron (c) Bronze (d) German Silver (e) Washing Soda (Na2CO3) (f) Caustic Soda (NaOH) (g) Nebula

  2. (a) What is the function of root tubers?
    (b) What is the main difference between an animal and plant cell?
    (c) Why are the leaves of pine tree needle shaped?
    (d) How is the age of tree determined?

  3. (a) Describe the process of photosynthesis in plants.
    (b) Name the positively phototropic and negatively phototropic parts of a plant.

  4. (a) How a rainbow is produced?
    (b) What are the component colours of rainbow?
    (c) What do you know about the Milky Way?
    (d) Why do you hear thunder after and see flash of light first?
    (e) How an earthquake is caused?

  5. Make five matching pairs from list A and B.

List ‘A’ List ‘B’
(i) Sleeping Tubules
(ii) Ringworm Amino Acids
(iii) Sulphur Tse-Tse
(iv) Protein Insulin
(v) Kidney Bessemer Process
(vi) Steel Fungus
(vii) Pancreas Contact process
  1. are the uses of the following instruments? Answer any five.
    (a) Chromometer (b) Lactometer (c) Gyroscope (d) Periscope (e) Barometer

  2. Where do the following animals occur? Answer any five.
    (a) Kiwi (b) Kangaroo (c) Ostrich (d) Reha (e) Rattles snake (f) Snow leopard (g) Yak

  3. Distinguish between the following (Answer any three):
    (a) Optical telescope and radio telescope (b) Weather and climate (c) Isotherm and Isobar (d) Small pox and measles (e) Erosion and corrosion (f) Epidemic and endemic (g) Cost iron and wrought iron.

  4. Define five of the following:
    (a) Food Chain (b) Symbiosis (c) Geotropism (d) Arteriosclerosis (e) Hemophilia (f) Yeast


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