MODEL TEST PAPER (As per the latest marking scheme)

What are the two ways in which the physical state of matter can be changed?

Draw the 'states of matter triangle' to show the interconversion of states of matter.

How can the evaporation of a liquid made faster?

Khushi wanted to eat rice and kidney bean (rajma). She requested her mother to cook the same for lunch tomorrow. At night her mother took a cup of kidney beans and put them in a container having some water. She kept the container covered overnight. The next morning, she cooked rice and kidney beans for lunch. Khushi inquired her mother the following question:
Name the scientific phenomenon involved in the above process.

Khushi wanted to eat rice and kidney bean (rajmah). She requested her mother to cook the same for lunch tomorrow. At night her mother took a cup of kidney bean and put them in a container having some water. She kept the container covered overnight. Next morning, she cooked rice and kidney beans for lunch. Khushi inquired her mother the following questions:

Name at least one more food item that is cooked in this way.

Name the smallest and largest cell.

Name two countries that are centres of megadiversity.

What will happen if all blood platelets are removed from blood?