IIT Ashram KHOJ Science Aptitude Test Class VII Sample Questions Paper : iitashram.com

Name of the Organization : IIT Ashram
Name of the Examination : KHOJ Science Aptitude Test – 2018
Document Type : Sample Questions Paper
Class : VII Std
Website : https://www.iitashram.com/khoj.php

IIT KHOJ Science Aptitude Test Class VII Questions Paper

Download Question Paper of KHOJ Science Aptitude Test Sample Questions Paper Class VII is now available in the official website of IIT Ashram.

Related : IIT Ashram KHOJ Science Aptitude Test Class VI Sample Questions Paper 2018 : www.pdfquestion.in/32967.html

Instructions

Please read the instructions carefully. You are allotted 5 minutes specifically for this purpose.
A. General :
1. This booklet consists of 60 questions.
2. Blank papers, clipboards, log tables, slide rules, calculators, cellular phones, and electronic gadgets in any form are not allowed to be carried inside the examination hall.

3. The answer sheet, a machine–readable Optical Mark Recognition (OMR), is provided separately.
4. Do not tamper with / mutilate the OMR or the Booklet.

5. Write Name and Address in capital letters on OMR sheet.
6. Submit the OMR Sheet back to Invigilator after examination before leaving the examination hall.
7. Previous year or Term exam’s percentage | grade | Marks scored in Maths and Science must be written at the back of OMR Sheet

B. Question Paper Format :
8. The question paper consists of 2 Parts.
(I) Part – I : Mental Ability & Mathematics (30 Questions)
(II) Part – II : Physics , Chemistry & Biology (30 Questions)

C. Marking Scheme :
9. For each question in Part I and II 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 where the answer marked is not correct, minus one (–1) mark will be awarded.

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Part I

Directions : (1-3) Find the missing term(s):
(a) 120
(b) 100
(c) 125
(d) 64

2. 6, 12, 7, 11, 8, 10, 9, ? [Difference series]
(a) 8
(b) 9
(c) 11
(d) 12

3. cab_a_c_bc_bc_b
(a) bcbba
(b) bcbbc
(c) acaca
(d) cbaaa

Directions : (4) Find the wrong term (s) :
4. DOU, EPV, FQW, GRX, HTY, ITZ
(a) FQW
(b) GRX
(c) HTY
(d) EPV

5. Sanjay went 70 metres in the East before turning to his right. He went 10 metres before turning to his right again and went 10 metres from this point. From here he went 90 metres to the North. How far was he from the starting point ?
(a) 80 metres
(b) 100 metres
(c) 140 metres
(d) 260 metres

6. If the angles of a triangle are in the ratio 1 : 2 : 7 then which triangle is it?
(a) acute angled
(b) obtuse angled
(c) right angled
(d) right angled isoscles

7. To make a certain sweet, the required ratio of sugar to flour is 2 : 3. If 45 kg of flour is being used, the required quantity of sugar is……….
(a) 40 kg
(b) 25 kg
(c) 30 kg
(d) 10 kg

8. What is 50% of a number whose 200% is 20?
(a) 5
(b) 10
(c) 15
(d) 20

9. If p and q are two even positive numbers such that p – q = 120 and the sum of p and q are 720, then the values of p and q respectively are ?
(a) 320, 400
(b) 300, 420
(c) 400, 320
(d) 420, 300

10. From the given figure, if x:y = 3:7, then the values of a and z are A C B D x a y z
(a) a = 54°, z = 126°
(b) z = 54°, a = 126°
(c) a = 64°, z = 126°
(d) a = 54°, z = 132°

11. If x – 100 = 60° where x is an acute angle, then the supplement of x is
(a) 110°
(b) 120°
(c) 130°
(d) 140°

12. If AB||CD||EF. Where l and m are transversals, then the values of x and y respectively are A
(a) 148º, 128º
(b) 128º, 138º
(c) 138º, 128º
(d) 138º, 140º

13. If the side of the square is 14 cm, then the ratio of the perimeters of circle and square respectively are
(a) 11 : 14
(b) 11 : 15
(c) 14 :11
(d) 15 : 11

Part II

1. If Shruti completes 100 m distance in 8 sec then calculate her speed?
(a) 30 m/s
(b) 12.5 m/s
(c) 25 m/s
(d) 10 m/s

2. Weight is the measurement of the force of an object due to _____ .
(a) Gravity
(b) Sliding friction
(c) Fluid friction
(d) Velocity

3. The temperature at which no more energy can be removed from matter is called _____ .
(a) Absolute zero
(b) 0o C
(c) 32º F
(d) 32°C

4. During the formation of rain, when water vapour changes back to liquid in the form of rain drops
(a) Heat is absorbed
(b) Heat is released
(c) Heat is first absorbed and then released
(d) There is no exchange of heat

5. Earthing is provided in buildings to protect it from
(a) Lightning
(b) Leakage of electric current
(c) Cyclone
(d) Thunderstorm

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

7. 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

8. A thermometer which has upper and lower point equal to 950 and 50 reads 590. What is the temperature in celsius scale?
(a) 600 C
(b) 500 C
(c) 400 C
(d) 1000 C

9. In a long distance race, the athletes were expected to take two rounds on a circular track. An athlete completed one round of this track of diameter 300 m in 60 s. If the a t h e t e takes the same time for both the rounds, what is his speed in the race?
(a) 15.7 m s-1
(b) 7.85 m s-1
(c) 31.4 m s-1
(d) 13.8 m s-1

10. When an object is released from some height then which of the following is correct ?
(a) Kinetic energy increases, Potential energy increases
(b) Kinetic energy increases, Potential energy decreases
(c) Kinetic energy decreases, Potential energy increases
(d) Kinetic energy decreases, Potential energy decreases

11. Iron rusts because:
(a) Iron is unstable
(b) It is an intrinsic property of iron to rust
(c) Iron reacts with the moisture present in the atmosphere
(d) Iron metal is weak

12. Pooja took a candle in a vessel and heated the vessel. Even though the candle did not burn, it changed its shape and state. What kind of change is this?
(a) Neutralisation
(b) Physical change
(c) Chemical change
(d) None of these

13. Why are acids always stored in glass containers and not in metallic ones?
(a) Glass containers are transparent.
(b) Glass containers are cheaper.
(c) Metallic containers are not easily available.
(d) Metal reacts with the acid stored in them.

14. The chemical formula of ice is:
(a) H2
(b) O2
(c) H2O
(d) H2O2

15. Observe the figure and identify the substances marked by (p), (q) and (r).
(a) Zinc Water Carbon dioxide
(b) Magnesium Hydrochloric acid Oxygen
(c) Magnesium Water Carbon dioxide
(d) Zinc Hydrochloric acid Hydrogen

16. Kanav took two test tubes marked as I and II. In test tube I, he put calcium carbonate and hydrochloric acid while in test tube II, he put zinc granules and hydrochloric acid. He passed the gas coming out from both the test tubes in lime water. What are his observations?
(a) The gas coming out from test tube I turns lime water milky.
(b) The gas coming out from test tube II turns lime water milky.
(c) The gases coming out from both the test tubes turn lime water milky.
(d) None of these

17. Acetic acid + Sodium hydrogen carbonate
(i) + CH3COONa + H2O
(i) + Ca(OH)2 ??? (ii) + Water What could (i) and (ii) be?
(a) (i) CaCO3; (ii) CO2
(b) (i) H2O ; (ii) CaCO3
(c) (i) CO2 ; (ii) CaCO3
(d) (i) H2O ; (ii) CO2

18. Na2CO3 + 2HCl ? ?
(a) NaCl + O2 + H2
(b) NaCl + O2
(c) NaCl + H2O
(d)2NaCl + CO2 + H2O

19. Lime water is a solution of:
(a) Ca(OH)2 in water
(b) CaCl2 in water
(c) NaOH in water
(d) NaCl in water

20. A molecule with the chemical formula C6H12O6 is probably a
(a) Carbohydrate.
(b) Lipid.
(c) Protein
(d) A and B only.

22. The ducts of liver and pancreas unite into a common duct and open into
(a) Ileum
(b) Caecum
(c) Colon
(d) Duodenum

23. An animal that migrates a great distance would obtain the greatest benefit from storing its energy as
(a) protein
(b) Carbohydrate
(c) Fat
(d) Amino acid

24. To leave the digestive tract, a substance must cross a cell membrane. During which stage of food processing does this takes place ?
(a) Ingestion
(b) Digestion
(c) Absorption
(d) Elimination

25. The blood level of which gas is most important in controlling human respiratory rate ?
(a) Nitric acid
(b) Nitrogen
(c) Oxygen
(d) Carbon dioxide

26. Where does the bird with the foot shown below most likely live?
(a) Open desert
(b) Near water
(c) Deep woods
(d) High mountains

27. The bones of the skull are interlocked with each other by their senate margins called
(a) Synovial membrane
(b) Cartilages
(c) Sutures
(d) Tendons

28. Amylases in saliva begin the breakdown of carbohydrates into
(a) Fatty acids
(b) Polypeptides
(c) Amino acids
(d) Simple sugar

29. Which of the following has no enzyme?
(a) Bile
(b) Pancreatic juice
(c) Gastric juice
(d) All of the above

30. A group of students of class 7 were performing an experiment. Among them a student poured alcohol on a plant continuously for a long time. The plant could not prepare food on its own any more. Which of the following statements explains the reason behind it?
(a) Alcohol absorbed all the food prepared by the plant.
(b) Alcohol does not let the plant absorb carbon dioxide from the air.
(c) Alcohol dissolved all the minerals present in the plant.
(d) Alcohol dissolved the chlorophyll present in the plant.