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NSO Mock Test – Class 4
NSO Mock Tests for Class 4 is designed for National Science Olympiad Preparation.
The NSO Class 4 online mock test paper is free for all students.
This paper has 35 questions.
Time allowed is 60 minutes.
In total there are 35 questions including all sections.
The NSO Mock tests for Class 4 given here will help the student get an accurate idea of the types of questions asked in the National Science Olympiad and also help prepare timing and accuracy.
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Question 1 of 35
1. QuestionCategory: Mental Ability
The missing digits P, Q, R, S, T and U in the adjoining division are _____ respectively.
Question 2 of 35
2. QuestionCategory: Mental Ability
Match the figures given in Column-I with their correct shaded fractions given in column-II.
Question 3 of 35
3. QuestionCategory: Mental Ability
In which of the following figure the dotted lines are NOT lines of symmetry?
Question 4 of 35
4. QuestionCategory: Mental Ability
Which of the given figures has the greatest perimeter?
Question 5 of 35
5. QuestionCategory: Mental Ability
Jayati is facing south-east. If she turns 3 right angles anti-clockwise, then she will be facing ________.
Question 6 of 35
6. QuestionCategory: Mental Ability
If = 3125 and
, then the value of
Question 7 of 35
7. QuestionCategory: Mental Ability
The missing number in the given pattern is ________.
Question 8 of 35
8. QuestionCategory: Mental Ability
I am a two-digit number less than 50. I am a multiple of 3. The product of my digits is fourth multiple of 5. I am ________.
Question 9 of 35
9. QuestionCategory: Mental Ability
The value of P + Q = ________.
Question 10 of 35
10. QuestionCategory: Mental Ability
The maximum number of cards measuring 2 cm by 4 cm that can be cut from a piece of cardboard 12 cm by 20 cm is ________.
Question 11 of 35
11. QuestionCategory: Science
Meena planted tape grass in a pot of soil and watered it regularly. After a few days, the plant died. Which of the following is the most appropriate reason for it?
Question 12 of 35
12. QuestionCategory: Science
Which of the following statements are INCORRECT?
1. Whales and dolphins breathe through gills as they are aquatic animals.
2. Warm-blooded animals have the same temperature inside their body all the time.
3. Elephants can trick their enemies by camouFlaging.
4. Parasites feed on the Flesh of dead animals.
Question 13 of 35
13. QuestionCategory: Science
Mansi did a study on two animals, P and Q. At the end of her study she prepared following table about her observations. What is the name of these two animals?
Animal P Animal Q (A) Butterly Frog (B) Cockroach Mosquito (C) Cockroach Frog (D) Butterly Cockroach
Question 14 of 35
14. QuestionCategory: Science
Megha spread a layer of grease on the stem, leaf stalks and both surfaces of the leaves of a plant. The plant was then placed near an open window and watered daily. After a week, the plant wilted. Select the correct reasons for wilting of the plant from the reasons given below.
1. The layer of grease prevented water from reaching the leaves.
2. The layer of grease prevented the leaves from absorbing sufficient sunlight.
3. The layer of grease prevented the exchange of gases.
4. The layer of grease prevented food from reaching the leaves.
Question 15 of 35
15. QuestionCategory: Science
The Figures given below show the shapes of the Moon as seen from Earth on different nights.
Which one of the following figures shows the correct shape of the Moon on 21st October?
Question 16 of 35
16. QuestionCategory: Science
In which labelled part of the human digestive system, does the water get absorbed the most?
Question 17 of 35
17. QuestionCategory: Science
Observe the given figure. Which of the following statements best describes the difference in properties of the two objects A and B?
Question 18 of 35
18. QuestionCategory: Science
Study the given figure. Which plant part(s) has/have been X INCORRECTLY matched with its function?
Parts Functions X Makes food for the plant Y Holds the plant irmly to the ground Z Absorbs water for the plant
Question 19 of 35
19. QuestionCategory: Science
Chetan drew the life cycle of a butterfly as shown in the figure. It is INCORRECT because _____.
Question 20 of 35
20. QuestionCategory: Science
I am a house made of snow. I am a place for Eskimos to live in. What am I?
Question 21 of 35
21. QuestionCategory: Science
The given diagram shows a model which some students have made using scrap materials to represent parts of the digestive system of a man. Select the option in which the scrap materials used by the students correctly represent the parts of the digestive system.
Rubber hose Plastic bag Rope Bigger hose (A) Small intestine Liver Gullet Large intestine (B) Gullet Stomach Large intestine Small intestine (C) Gullet Stomach Small intestine Large intestine (D) Large intestine Liver Gullet Small intestine
Question 22 of 35
22. QuestionCategory: Science
Which of the following is INCORRECTLY classified?
Respiratory system Skeletal system (A) Anus Brain (B) Wind pipe Spine (C) Lungs Skull (D) Nasal openings Rib cage
Question 23 of 35
23. QuestionCategory: Science
Which of the following is INCORRECTLY matched with the materials of which it is made ?
Question 24 of 35
24. QuestionCategory: Science
It takes 365 days for one revolution by _______.
Question 25 of 35
25. QuestionCategory: Science
Who was the irst man to step on the Moon?
Question 26 of 35
26. QuestionCategory: Science
Which of the following students has made INCORRECT statement?
(A) Megha : Do not throw away the water in which pulses are soaked.
It contains vitamins. Use it for watering plants.
(B) Garima : Roasting and frying of food, preserves its nutrient value for a long time.
(C) Amit : Do not wash vegetables and fruits after cutting them.
(D) Latika : Cooking makes food soft, tasty and easily digestible.
Question 27 of 35
27. QuestionCategory: Science
The given table shows certain features of synthetic fibres. Which of the following can be used to ill the blank in the table?
(D) All of these
Question 28 of 35
28. QuestionCategory: Science
The given figure shows the process of photosynthesis. Identify the components labelled as P, Q, R and S,
which are parts of this process.
P Q R S (A) Carbon dioxide Water Oxygen Glucose absorbed (B) Carbon dioxide Oxygen Water Glucose absorbed (C) Oxygen Carbon dioxide Water Glucose absorbed (D) Oxygen Water Carbon dioxide Glucose absorbed
Question 29 of 35
29. QuestionCategory: Science
Which of the following is a CORRECT match?
Question 30 of 35
30. QuestionCategory: Science
Mohit was going somewhere. On the way near a hospital he saw the given sign. Which option justifies its presence near a hospital?
Question 31 of 35
31. QuestionCategory: Science
Observe the given picture. What does it show?
Question 32 of 35
32. QuestionCategory: Science
There is a special way of reading and writing for people who cannot ____. It is called Braille system. It is written on a ___ paper by making row of ___ points with a pointed tool. Select the correct sequence of words to complete the above paragraph.
Question 33 of 35
33. QuestionCategory: Science
X, Y and Z show three states of matter. Which of the following are usually present in their respective states?
X Y Z (A) LPG Pencil Cold drink (B) Helium Water Eraser (C) Milk Candle Pencil (D) Helium LPG Milk
Question 34 of 35
34. QuestionCategory: Science
Observe the given figure carefully. What does it show?
Question 35 of 35
35. QuestionCategory: Science
The given figure shows a special vehicle. Which of the following is CORRECT regarding this?