Tall plants with hard and thick brown stems are known as ________ .
The correct option is C trees
∙ Trees are tall plants with hard and thick brown stem. The stems have branches much above the ground. Eg: Mango tree.
∙ Shrubs are plants with branches near the base of stem. The stem is hard but not very thick. Eg: Rose plant.
∙ Plants with green and tender stems are called herbs. They are usually short and may not have many branches. Eg: Tomato.
∙ Climbers have very weak stem. They take support and climb up other structures. Eg: Money plant.