Chapter 12

Let Us Communicate



A. Tick the Correct Option

Answer: vacuole

Answer: vacuole

Answer: vacuole

Answer: vacuole

B. Fill in the blanks.
C. Match the following :
D. Answer the following questions.

Answer: Sharing of chores reduces the burden.

Answer: The older family member pass on the family traditions to the younger generation.

Answer: There is more interaction between parents and children in nuclear families.

Answer: A surname is a family name.

Answer: The (main) factors that determine the shape of a cell are location and function.

Answer: Distinguish between unicellular and multicellular organisms are

Unicellular organisms are made up of a single cell. e.g., Euglena and Amoeba.

Multicellular organisms are made up of many cells. e.g., Humans and Birds.

Answer: All organisms are made up of cells. A cell is capable of independent existence. Due to this, cell is called the structural and functional unit of life.

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