Velammal Inter School Science Talent Olympiad Class – VII Model Question Paper : vkp.co.in

Organisation : Velammal Knowledge Park
Exam : Velammal Inter School Science Talent Olympiad
Document Type : Model Question Paper
Category or Subject : Class – VII
Year : VISTO -2015 – 16

Website : http://vkp.co.in/visto-2016/model-question-papers/
Download Model Question Paper : https://www.pdfquestion.in/uploads/9535-visto-vii.pdf

VKP VISTO Class – VII Model Question Paper

Season : II
Class : VII
Duration : 2hrs.
Max. Marks : 100

Related / Similar Question Paper :
VKP VISTO Class VI Model Question Paper

Instructions To The Candidate

1. a) Write your NAME and CLASS in the space provided on OMR Response sheet.
b) You have to mark the answers on the OMR Response sheet only.
c) You have to handle the OMR Response sheet with utmost care.
d) Do not fold/mutilate or make any unnecessary markings on the OMR Response sheet.
E) Use Blue Or Black Ball Point Pen Only To Darken The Appropriate Circles In Omr Response Sheet.

2. Answers marked with Pencil will not be considered for evaluation.
3. This Question Paper consists of 100 Questions, under four subject heads, Mathematics (40 Questions), Physics (20 Questions), Chemistry (20 Questions) And Biology (20 Questions).

4. Each question has four alternative responses marked a, b, c, d. You have to darken the appropriate circle provided in the OMR Response sheet against each question.
5. 1 MARK will be awarded for every correct response for all the questions in All The Four Subjects.

6. NO mark will be deducted for incorrect response.
7. Usage of Calculators, Log tables and Electronic gadgets is strictly prohibited in the examination hall.
8. Return the OMR Response sheet to the Invigilator at the end of Examination, before leaving the examination hall.

Mathematics

1. Statement P: The mode is always one of the numbers in a given data
Statement Q: The mean is one of the numbers in a given data
a) Both P and Q are true
b) P is true and Q is false
c) Both P and Q are false
d) P is false and Q is true

2. A fair die is tossed 80 times and it is noted that the number 3 is obtained 14 times. Now the same die is tossed at random, then the probability of getting the number 3 is …………….
a)40/7
b)14/3
c)1/6
d)40/3

Read the following paragraph and answer the questions from 3 to 4 :
The pie- chart depicts the results of a survey conducted to identify the favorite juice of some students
3. The number of students who like mixed fruits juice, if the total number of students is 360,is………..
a) 70
b) 80
c) 65
d) 60

4. The number of students who like orange juice, if the total number of students is 720, is………..
a) 150
b) 360
c) 180
d) 240

5. A comet passed by the Earth in the year 1835. It passes by the Earth once in every 60 years. In which of the following years can the comet be expected to pass by the Earth?
a) 2035
b) 2065
c) 2075
d) 2085

Physics

1. David is observing his image in a plane mirror. The distance between the mirror and David is 4m. If he moves 1m towards the mirror, then the distance between David and his image will be
a) 3m
b) 5m
c) 6m
d) 8m

2. While sitting in a car, Charan observes that there is no change in the reading of odometer of the car for a certain period of time. The conclusion from Charan’s observation that the car is
a) At rest
b) Gaining speed
c) Reducing speed
d) Moving uniformly

3. A train runs past an electric pole in half minute, and through a tunnel 500m long in 1 1/2 minute. The length of the train is
a) 250m
b) 225m
c) 300m
d) 150m

4. Two boys are standing infront of a plane mirror as shown. When the boy ‘B’ looks into the mirror how far from him, will image of boy ‘A’ seem to be?
a) 30m
b) 20m
c) 15m
d) 25m

5. The odometer of car reads 23,321km, when the clock shows the time 8.30am. The odometer reads 23,336km when the clock shows the 8.50am. As the car is moving uniformly, its speed will be
a) 40kmph
b) 22.5kmph
c) 15kmph
d) 45kmph

Chemistry

1. The reaction in which both oxidation and reduction occur simultaneously is called
a) Oxidation
b) Reduction
c) Redox
d) Disproportionation

2. What chemicals are used in soda acid fire extinguisher?
a) CaCO3 + HCl
b) NaHCO3 +HCl
c) CaCO3+H2SO4
d) NaHCO3+H2SO4

3. Mg burns in the presence of oxygen to form
a) MgCl2
b) MgO
c) MgSO4
d) MgO2

4. Ratio of component elements of water by mass is
a) 2 : 1
b) 1 : 1
c) 1 : 8
d) 2 : 10

5. Which of the following is pure water?
a) River water
b) Sea water
c) Lake water
d) Rain water

Biology

1. P and Q are the plants that belong to same species. When grown in different conditions, P has shown less number of stomata and less venation, whereas Q has shown more number of stomata and more venation. The condition in which Q grown can be
a) unrestricted water supply
b) limiting soil moisture
c) limiting soil micronutrients
d) low temperature

2. The region where a plant organ is wounded shows
a) no change in the rate of respiration
b) suspension of respiration
c) increase in the rate of respiration as wound healing requires more energy for cell division
d) decrease in the rate of respiration as wound healing requires conservation of energy for cell division.

3. Root hairs of a plant are important because
a) they help in the anchorage
b) they provide habitat for symbiotic bacteria
c) increase the surface area for the water and nutrient absorption
d) increase the surface area for the absorption of sugars from the soil

4. Which of the following structures of a flower are mismatched?
I) Petals – attract insects for pollination
II) Ovule – develops into seed after fertilization
III) Anther – produce female gametes
a) Both I & II
b) Only II
c) Only III
d) None of the above

5. Dispersal of seeds through the burst of fruits with sudden jerks can be found in
I. Maple II. Castor III. Balsam
a) I & II
b) II & III
c) I & III
d) II only