When a push or pull comes into physical contact with the object, it is called ________ force.
Study the bar graph carefully and answer the given question.The bar graph below shows the different types of books that a group of pupils read during the school holidays.
The pupils read _____ fewer comic books than fairy tale books.
The given graph shows the changes in the population of an insect found on a Jackfruit tree after four different sprayings of the same insecticide.
What conclusion can you draw from the graph?
A The insecticide had no effect on the insects at all.
B The insect population had become resistant to the insecticide.
C The insect population increased as the wrong type of insecticide was used.
D The insecticide helped to reduce the number of insects permanently.
Scientists were studying two types of hospital waste, X and Y for their disposal and their effect on environment. They plotted a graph showing change in their quantities over time, when dumped in an open field. Refer to the given graph and select the option that correctly identifies X and Y.
A Syringes Cotton swabs
B Cotton bolls Broken scalpels
C Broken scalpels Syringes
D Band-aids Medicines