ignou.ac.in Science Olympiad Test Question Paper : Indira Gandhi National Open University

University : Indira Gandhi National Open University
Document Type : Question Paper
Exam : Science Olympiad Test
Website : ignou.ac.in

Download Model/Sample Question Paper :https://www.pdfquestion.in/uploads/5669-OLYMPIAD%20Aug2011.pdf

Science Olympiad Test Question Paper :

Read the Following Instructions :
1. Write only your Registration Number (Not your name) in the box provided in the OMR (Optical Marking Response) sheet.
2. Use only a H.B. pencil for darkening the circle, as your answers (to the Multiple Choice Questions) in the OMR sheet. Any erasing shall be done only with a soft eraser.

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3. Do not mutilate/ tear this OMR sheet.
4. Note that there are eighty (80) questions, each with four choices in this test paper, spread over 16 pages. Question paper also has two blank sheets of paper for any rough work.

5. Select the correct answer for each question and shade only one appropriate box in the OMR sheet for the corresponding question.
(eg.) Qn.No.90. Tiger has on its body,
(1) Stripes; (2) black dots; (3) white dots; (4) none of the above

6. In the OMR sheet mark your chosen answer, only like • as shown above but not in any other form such as 0 0 CD (In other words, the circle must be fully shaded).
7. Each correct answer carries four marks.
8. One mark will be deducted for every incorrect answer.
9. Use of calculators/log tables is prohibited.
10. Return the OMR sheet alone after you have completed the test.
11. Again check your registration number for its correctness.

1. The number of chromosomes in a human sperm is :
(1) 33
(2) 21
(3) 23
(4) 42
2. The form of sugar transported through phloem is :
(1) Glucose
(2) Fructose
(3) Sucrose
(4) ribose

3. One of the following is not a viral disease :
(1) Poliomyelitis
(2) Chicken pox
(3) Rabies
(4) Typhoid

4. The synthesis of DNA on RNA template is called :
(1) translation
(2) transcription
(3) reverse transcription
(4) transactivation

5. A goitrogen among the following is :
(1) thyroglobulin
(2) prolactin
(3) phlorizin
(4) thiouracil

6. Maximum efficiency in usable energy is obtained during :
(1) aerobic respiration in amoeba
(2) fermentation in yeast cell
(3) glycolysis in the liver cell
(4) lactic acid formation in skeletal muscle

7. One of the following cells in our blood secretes histamine :
(1) eosinophils
(2) basophils
(3) lymphocytes
(4) platelets

8. A non infectious disease among the following is :
(1) Malaria
(2) Peptic ulcer
(3) Phenylketonuria
(4) Cervical cancer

9. Which part of visible light is most effective in photosynthesis ?
(1) Red
(2) Green
(3) Blue
(4) Violet

10. Down syndrome in humans is the result of trisomy of chromosome number :
(1) 21
(2) 18
(3) 13
(4) 22

11. The stem of the tropical grass bamboo, made almost of cellulose fiber, can grow at the rate of 30 cm/day. If each glucose unit is 4.5 Angstroms, the number of glucose units added per day would be approximately about :
(1) 3 billion
(2) 2/3 billion
(3) 1 billion
(4) 1/4 billion

12. Which of the following combinations of chromosome number(N) and DNA content(C) is true for the diplotene stage of a mammalian oocyte ?
(1) IN and 2C
(2) 2N and 2C
(3) 1N and 4C
(4) 2N and 4C

13. Which of the following dyes is best suited for staining chromosomes ?
(1) Safranin
(2) Methylene blue
(3) Carmine
(4) Basic fuchsin

14. Metabolite transport across cell membrane occurs by various means as listed below. Which of them is not affected by inhibitors of cellular respiration ?
(1) Active transport
(2) Facilitated diffusion
(3) Passive diffusion
(4) Receptor mediated endocytosis

15. Glycogen is a homopolymer made of :
(1) Glucose units
(2) Amino acids
(3) Ribose units
(4) Galactose units

16. The vitamin present in Rhodopsin is :
(1) Vitamin B
(2) Vitamin C
(3) Vitamin D
(4) Vitamin A

17. Which of the following is oviparous ?
(1) Flying fox
(2) Platypus
(3) Elephant
(4) Whale

18. Endosperm, a product of double fertilization in angiosperms is absent in the seeds of :
(1) Gram
(2) Orchids
(3) Maize
(4) Castor

19. Life originated on earth probably about :
(1) 4.5 billion years ago
(2) 1.0 billion years ago
(3) 3.5 billion years ago
(4) 0.5 billion years ago

20. A piece of wood having no vessels(trachea) must be belonging to :
(1) Pine
(2) Mango
(3) Teak
(4) Palm

A nugget of gold and quartz weighs 150 grams. The densities of gold, quartz and the nugget are determined to be 19.5, 2.75 and 6.5 g/cm3 respectively. The mass of gold in the nugget is :
(1) 50 g
(2) 140 g
(3) 100.7 g
(4) 75 g

22. Consider the two compounds benzene (C6116) and acetylene (C2H7). The percentage composition of each element in both these compounds is :
(1) the same
(2) dependent on temperature
(3) higher in benzene than in acetylene
(4) lower in benzene than in acetylene

23. The ionic radii of sulphide (S2 ) and telluride . (Te2- ) are 1.84 and 2.21A respectively. The ionic radius of selenide (Se2.- ) will be :
(1) greater than that of telluride (Te2
(2) smaller than that of sulphide (S2- )
(3) approximately the arithmetic average of sulphide (S2-) and telluride (Te2-)
(4) equal to that of telluride.

24. CsC1 crystallizes in a body centered configuration. The number of formula units and the coordination number of each type ion are :
(1) 4, 4
(2) 4, 8
(3) 1, 8
(4) 2, 8

25. The condition to be satisfied for the photoelectric emission of an electron from a clean metal surface is :
(1) the metal must be at a high temperature
(2) the energy of the photon striking the metal surface must be less than the kinetic energy of the emitted electron
(3) the energy of the photon striking the metal surface must be equal to the kinetic energy of the emitted electron
(4) the energy of the photon striking the metal surface must be greater than or equal to that of the kinetic energy emitted electron plus the binding energy holding the electron in the metal