NSO Class 3 Sample paper on Animals

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This is the first worksheet in the "NSO Class 3 Sample paper on animals" series by Olympiadtester.  

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These NSO Class 3 sample papers are the preferred learning material to prepare for all Science Olympiad exams like National Science Olympiad (NSO), Internatational Olympiad of Science (iOS), ICAS/IAIS Science, NSTSE, ASSET Science and National interactive Science Olympiad. 

NSO Class 3 Sample paper on animals - Question 1

In what way/ways are Organism A and B similar?

ic: NSO Class 3 Sample paper on animals - Question 01

  1. Both have gills.
  2. Both reproduce by laying eggs
  3. Both move around to look for food
  4. Both have 3 pairs of legs

      NSO Class 3 Sample paper on Animals - Question 2

      In the Venn diagram, what should replace the question mark? 

      Lion, Horse, Camel, Bear?

      ic: NSO Class 3 Sample paper on Animals - Question 02

       

          NSO Class 3 Sample paper on Animas - Question 3

          A teacher asked a class "Is it true that a penguin has an outer covering of hair"?
          She got the following answers? 
          Yes: 22     No: 6 
          Did the majority of the class know the correct answer? 

            NSO Class 3 Sample paper on Animals - Question 4

            Observations on two animals are recorded in the table below. 

            Identify the animals.

            ic: NSO Class 3 Sample paper on Animals - Question 4

            Animal A: Mammal

            Animal B: Fish

            Animal A: Bird

            Animal B: Fish 

            Animal A: Mammal

            Animal B: Insect

            Animal A: Insect 

            Animal B: Bird 

              NSO Class 3 Sample paper on Animals - Question 5

              In what ways are all the animals shown below similar?

              1. They are all omnivores
              2. They are all mammals
              3. They are all nocturnal
              4. They are all color blind

                NSO Class 3 Sample paper on Animals - Question 6

                The caterpillar looks very different from its parent, the butterfly. 
                ic: NSO Class 3 Sample paper on animals - Question 6
                Which other parent also has a young one that looks completely different from it?
                 
                Horse, Elephant, Duck, Frog 

                  NSO Class 3 Sample paper on Animals - Question 7

                  Identify the Whale in the classification chart below. 

                  ic: NSO Class 3 Sample paper on animals - Question 7

                    NSO Class 3 Sample paper on Animals - Question 8

                    Identify Questions A and B in the flowchart below.

                    Question A: Does it lay eggs? 
                    Question B: Does it have wings?
                    Question A: Does it breathe through gills? 
                    Question B: Does it have wings?
                    Question A: Does it lay eggs? 
                    Question B: Does it breathe though gills?
                    Question A: Does it breathe through gills? 
                    Question B: Does it lay eggs? 

                      NSO Class 3 Sample paper on Animals - Question 9

                      In the flowchart below, can animal B be the platypus? 

                      ic: NSO Sample paper on Animals - Question 9

                        NSO Class 3 Sample paper on Animals - Question 10

                        The graph below shows the changes in the number of grasshoppers in a glass tank over 4 weeks.

                        Some insecticide was added into the tank. In which week do you think it was added? 

                        ic: NSO Class 3 Sample paper on Animals - Question 10

                        1st Week 2nd Week  3rd Week 4th Week

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