IIT Ashram UDDAN Science Aptitude Test Class VIII Sample Questions Paper : iitashram.com

Name of the Organization : IIT Ashram
Name of the Examination : UDDAN Science Aptitude Test
Document Type : Sample Questions Paper
Class : VI Std
Website : https://www.iitashram.com/uddan.php

UDDAN Science Aptitude Test Class VIII Questions Paper

Download Question Paper of UDDAN Science Aptitude Test Sample Questions Paper Class VIII is now available in the official website of IIT Ashram.
Time : 1.30 Hour.
Maximum Marks : 220
M.M.: 180
Time : 50 Min.

Related : IIT Ashram UDDAN Science Aptitude Test Class VII Sample Questions Paper : www.pdfquestion.in/32941.html

Instructions

A. General :
1. This booklet consists of 55 questions.
2. Blank papers, clipboards, log tables, slide rules, calculators, cellular phones, pagers, and electronic gadgets in any form are not allowed to be carried inside the examination hall.

3. The answer sheet, a machine–readable Objective Response Sheet (OMR), is provided separately.
4. DO NOT TAMPER WITH / MUTILATE THE OMR OR THE BOOKLET.
5. Write Name and Address in capital letters of OMR sheet.
6. Submit the OMR Sheet back to Invigilator after examination.

B. Question paper format:
7. The question paper consists of 2 Sections.
SECTION – A : Mental Ability & Mathematics (25 Questions)
SECTION – B : Physics, Chemistry & Biology (30 Questions)

C. Marking Scheme :
8. For each question in Section A & B you will be awarded 4 marks if you have darkened only the bubble corresponding to the correct answer and zero mark if no bubble is darkened. In all other cases, minus one (–1) mark will be awarded.

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Sample Question Paper

Section A

On Mental Ability :
1. Find the missing term?
6, 11, 18, 27, 38, (……), 66
(a) 58
(b) 54
(c) 51
(d) 59

2. Choose the odd-one out:
(a) 212
(b) 343
(c) 757
(d) 511

3. Find the missing term
(a) 25
(b) 37
(c) 41
(d) 47

4. D-4, F-6, H-8, J-10, ?, ?
(a) K-12, M-13
(b) L-12, M-14
(c) L-12, N-14
(d) K-12, M-14

5. If in a certain language PRACTICE is coded as PICCTRAE, how is ‘FLAMES’ coded in that code?
(a) FEMALS
(b) FALEMS
(c) FMELAS
(d) FALMES

6. _cb_ca_bacb_ca_bac_d
(a) addddb
(b) addbbb
(c) bddddb
(d) bbbddd

In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces.
7. 0, 2, 8, 14, (……..), 34
(a) 24
(b) 22
(c) 20
(d) 18

8. There are two letters in the word ‘DOUBLE’ such that the number of letters between them is the same as the number of letters between them in alphabets. Find out both the letters.
(a) D, B
(b) E, U
(c) B, E
(d) O, L

9. Which one word can be formed by using the letters of the given word? C O R R I G E N D U M
(a) GENDER
(b) ERROR
(c) MURDER
(d) DANGER

10. Rohan ranked eleventh from the top and twenty-seventh from the bottom among the students who passed the annual examinationsin a class. If the number of students of students who failed in the exams.was 12, how many students did appear for the examinations?
(a) 48
(b) 49
(c) 50
(d) Can’t be determined

11. The ratio of number of males to number of females in a club are 7: 4. If there are 84 males in the club, the total number of members in the club are:
(a) 126
(b) 132
(c) 136
(d) 148

12. If ABCD is a square whose diagonal is 28cm, then the ratio of their areas is A B D C
(a) 11 : 7
(b) 11 : 8
(c) 7 :11
(d) 8 : 11

14. The pie chart shows the number of fruits sold in a store. Given that the number of apples is 180 and number of oranges is 400, the value of x, in degrees, is:
(a) 60
(b) 70
(c) 160
(d) 200

15. Which of the points below is a point on the xaxis?
(a) (5, 0)
(b) (0, 5)
(c) (5, 3)
(d) (3, 5)

Section B

1. The balloon shown here is filled with water. Ashish wants to make a hole in the balloon sothat water comes out with maximum pressure. At which point should he make the hole?
(a) P
(b) Q
(c) R
(d) S

2. The motion of a striker across a carom board is an example of _____________ type of motion.
(a) Periodic
(b) Oscillatory
(c) Circular
(d) Rectilinear

3. The voice of which of the following is likely to have minimum frequency?
(a) Baby girl
(b) Baby boy
(c) A man
(d) A woman

4. A ball placed on a table starts coming down the slope when the table is tilted. Which is the force that causes this motion?
(a) Friction
(b) Push by table
(c) Rolling force
(d) Gravitational pull by earth

5. Frictional force on an object in a fluid does not depend on
(a) Speed of the object relative to fluid
(b) Shape of the object
(c) Nature of the fluid
(d) None of these

6. An object vibrates with a frequency 15 Hz. Which of the following is true?
(a) It produces sound which we can hear.
(b) It does not produce sound.
(c) It produces sound which we cannot hear.
(d) It produces sound which we can hear if we strain our ears.

7. A body immersed in a fluid experiences an upward thrust which is equal to :
(a) The weight of the fluid displaced by it
(b) The volume of the body
(c) The mass of the body
(d) All of these.

8. Arrange the following planets in increasing order of time required to complete one revolution around Sun.
(i) Earth (ii) Uranus
(iii) Mars (iv) Jupiter
(a) (i), (ii), (iii), (iv)
(b) (i), (iii), (iv), (ii)
(c) (iv), (iii), (ii), (i)
(d) (ii), (iii), (i), (iv)

9. When we use biomass to generate electricity the conversion of energy is from ____.
(a) Chemical to electrical energy
(b) Kinetic to electrical energy
(c) Nuclear to electrical energy
(d) Muscular to electrical energy

10. We can cover the jewellery made of less expensive metals, with layer of gold or silver, by ____.
(a) Electroplating
(b) Earthing
(c) Charging
(d) Simply dipping in gold solution.

11. Ritika noted the initial colour of the solutions in beakers I, II, III and IV. After inserting zinc rods in each solution and leaving undisturbed for two hours, she noted the colour of each solution again. Mark the beakers in which colour change is observed?
(a) I and II
(b) II and III
(c) III and IV
(d) I and IV

12. Sudha took a small amount of sulphur in deflagrating spoon and heated it over a burner. As soon as it started burning she put it in a gas jar and covered with a lid. After sulphur stopped burning she added a small amount of water in it and dissolved the gas in water by shaking it. She then tested the solution with red and blue litmus paper. What did she observe?

(a) In the solution the blue litmus paper turned red.
(b) In the solution the red litmus paper turned blue.
(c) There was no change in the colour of litmus paper.
(d) Blue litmus paper turned red and red litmus paper turned blue.

13. Three experiments to investigate the reactivities of three metals are shown What is the correct order of reactivity (most reactive ? least reactive) for these three metals?
(a) Chromium, Manganese, Nickel
(b) Manganese, Chromium, Nickel
(c) Manganese, Nickel, Chromium
(d) Nickel, Chromium, Manganese

14. A student investigated the reactivity of four metals – iron, copper, zinc and an unknown metal X. He arranged three experimental set up as shown in the diagram.
The student observes that reaction occurred in all the three experiments. Identify the metal X.
(a) Cu
(b) Mg
(c) Fe
(d) Au

15. Match the following :
Column-I Column II
1. Rapid combustion (p) Materials get ignited without any apparent cause
2. Spontaneous (q) Fuel burns rapidly and combustion produces heat and light
3. Explosion (r) Fire extinguisher
4. Sodium carbonate (s) Evolution of large amount of heat, light and sound
(a) 1 – (q), 2 – (p), 3 – (s), 4 – (r)
(b) 1 – (p), 2 – (q), 3 – (r), 4 – (s)
(c) 1 – (r), 2 – (s), 3 – (q), 4 – (p)
(d) 1 – (s), 2 – (r), 3 – (q), 4 – (p)

16. Few properties of gases X, Y and Z are given.
Gas X : An extremely suffocating and corrosive gas, released by burning coal and diesel.
Gas Y : Given off by petrol engines
Gas Z : Produced by incomplete combustion of fuels
Identify gases X, Y and Z respectively on the basis of the given properties.
(a) CO2, H2, SO2
(b) SO2, NOx, CO
(c) NOx, SO2, CO
(d) H2, SO2, CO

17. Which of the following is the best extinguisher for inflammable materials?
(a) Water
(b) Sulphur dioxide
(c) Carbon dioxide
(d) Carbon monoxide

18. Silk is obtained from ____ of the silk moth.
(a) pupa
(b) larva
(c) cocoon
(d) caterpillar

19. Nylon is obtained from:
(a) coal
(b) air
(c) water
(d) all of the above

20. Match Column-I with Column-II and select the correct option from the codes given below.
Column-I Column-II
(i) A synthetic fibre (p) Acrylic obtained from cellulose
(ii) A synthetic fibre used for (q) Nylon making woollen clothes
(iii) A thermosetting plastic (r) Rayon
(iv) This polymer is used for (s) Bakelite making ropes and fishing nets
(a) (i)-(p); (ii)-(q); (iii)-(r); (iv)-(s)
(b) (i)-(r); (ii)-(p); (iii)-(s); (iv)-(q)
(c) (i)-(s); (ii)-(r); (iii)-(q); (iv)-(p)
(d) (i)-(p); (ii)-(r); (iii)-(q); (iv)-(s)

21. The two micro-organisms which live in symbiotic association in lichens are
(a) fungus and protozoa
(b) alga and bacteria
(c) bacteria and protozoa
(d) alga and fungus

22. During the process of exhalation, the ribs move
(a) down and inwards.
(b) up and inwards.
(c) down and outwards.
(d) up and outward.

23. They are pipe-like, consisting of a group of specialised cells. They transport substances and form a two-way traffic in plants. Which of the following terms qualify for the features mentioned above?
(a) Xylem tissue
(b) Vascular tissue
(c) Root hairs
(d) Phloem tissue

24. Which of the following statement is not true for organic manure?
(a) It enhances water holding capacity of soil.
(b) It has a balance of all plant nutrients.
(c) It provides humus to soil.
(d) It improves texture of soil.

25. Read the different combinations of terms given below. The correct combination of terms with reference to an animal cell is _____.
(a) cell wall, cell membrane, nucleus, plastid
(b) cell wall, nucleus, ribosome, chromosome
(c) cell membrane, mitochondria, ribosome, chromosome
(d) cell membrane, ribosome, mitochondria, chloroplast.