Microsoft word - gk-i.doc

First attempt PART-I (MCQ) on separate Answer Sheet which shall be taken back after
80 minutes.
(ii) Overwriting/cutting of the options/answers will not be given credit.

Select the best option/answer and fill in the appropriate Box on the Answer Sheet: (50)
Persons with following blood group are considered to be universal recipient. Study of life in outer space is known as: The name of the common mineral salt present in sweat is: (b) Potassium Sulphate (c) Sodium Chloride Laughing gas has chemical composition of following two elements: Role of biotechnology in the production of food is based on: (b) Respiration (c) Digestion (d) Fermentation Which form of drug abuse involves most risk of infection with the HIV (AIDS) virus: The instrument which measures very high temperature is: The science which deals with study of manners and customs of peoples is: Chemicals used to kill rats and mice are: (a) Insecticides (b) Rodenticides (c) Fungicides (d) Herbicides Deficiency of following vitamin decreases hemoglobin production: Orbital period of the planet Mercury around the sun is: The most splendid and the most magnificent constellation in the sky is: (a) Altering human beings by changing their genetic components The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called: Diamond is a very expensive ornament. It is composed of a single element. Which of the following layers makes radio transmission possible? Which of the following explains the reason why there is no total eclipse of the sun? (a) Size of the earth in relation to that of moon (c) Direction of rotation of earth around sun Television signals are converted into light signals by: (b) Uranium Plutonium carbide (c) Uranium Plutonium Oxide (a) Seasonal reversal of winds. (b) Revolution of earth. Which of the following atmospheric layers helps in radio communication? A moderator is used in nuclear reactor in order to: Which one of the following is a non-metallic mineral? Ozone layer prevents the following radiation from entering the atmosphere: The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from: (a) Ionosphere (b) Troposphere (c) Mesosphere (d) Stratosphere (e) None of these Yeast is used in making bread because it produces: Quartz crystal in quartz watches works on the principle called: The Fruits without seed, like banana, are called: (a) seedless fruits (b) parthenogenesis fruits (c) parthenocarpic fruits (d) placental fruits Animal which captures and readily kills living animals for its food is called: In a railway track, two rails are joined end to end with a gap in between them because: (b) Accidents due to contraction in winter can be avoided. (c) Air gaps are necessary for bearing the weight of running train. (d) Accidents due to expansion in summer can be avoided. Name the famous book of Ibn-Sina in which he discussed human physiology and medicine: PART – II (Subjective)
NOTE: (i) Attempt ONLY FIVE qu
estions from PART-II. All questions carry EQUAL marks.
question or any part of the attempted question will not be considered. Write short note on the following by giving their exact life span and contributions to the field of science (Accurate facts will be appreciated) Q.6. (a) Define GENETIC ENGINEERING. In how many ways Genetic Engineering can be
applied in different fields of life? Does it benefit society? Discuss. (b) What do the following scientific abbreviations stand for?
(1/2 each)
Q.7. (a) What are MINERALS? Discuss ANY TWO physical properties thereof. Also mention
the names of four precious minerals of high commercial value. Q.8. (a) Define RECEPTORS in man. Name different receptor organs in human body.
Also discuss ANY TWO of them briefly.
Give scientific reasons of the following. The dogs pant, the birds open their mouth and the elephants move rapidly their ears. The manholes covers are generally round. (iii) A geostationary satellite appears standstill to a viewer on the equator of earth. (iv) We never see birds urinating. (v) Pasteurized milk has more nourishment than the ordinary boiled milk. Q.9. (a) Highlight the similarities and differences between animals and plants.
(b) Write short note on ANY TWO of the following.



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