Answer
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Hint: Plants have various cells that divide on a daily basis for their growth or repair. The plant has to grow both ways-shoot and root. Some cells are responsible for only shoot growth while some help in the overall growth of the plant. The part of the plant that needs to be differentiated is also a key factor in which cells will differentiate.
Complete answer: What are intercalary meristem cells? These cells in the plant growth are capable of cell division. They allow growth and regrowth of monocots usually. They help in the elongation of the bamboo tree. The base of the grass leaf blades allows the damaged leaves to repair.
Let us read about all the options given.
> Option A. Secondary growth: the growth that is the result of cell division in lateral meristems is secondary. This causes the thickening of the stems, roots etc. we can come to know about it from the increasing girth of the plant. Some plants do not undergo secondary growth like herbaceous plants.
> Option B. Primary growth: When there is an increase in the height of the shoot and roots, it is called primary growth. There is cell division in the shoot apical meristem. The three meristems are protoderm, ground meristem and procambium.
> Option C. Apical growth: When there is a growth of a plant from the apical meristem that is called apical growth. When the plant grows, these cells tend to divide and keep on forming cells. The apex is the tip of the shoot. Thus it occurs only in the upper part of the plant.
> Option D. Secondary thickening: The formation of new tissues after lateral divisions of cells in the cambium, adding new layers of growth. That is called secondary thickening. There can be annual rings seen to witness it.
> Option E. Secondary overgrowth: It is more like a malfunction in the metabolism of a plant. When the girth of the plants excessively grows is called secondary overgrowth.
The answer is option B: Primary growth.
Note: Anything that prevents the plant from doing its normal routine is a disease. They cannot perform to their maximum potential. Diseases are transmissible from one plant to the other pathogens like bacteria, viruses can cause diseases in plants. The host plant, the pathogen and the environment are the three factors to spread and happen of a disease.
Complete answer: What are intercalary meristem cells? These cells in the plant growth are capable of cell division. They allow growth and regrowth of monocots usually. They help in the elongation of the bamboo tree. The base of the grass leaf blades allows the damaged leaves to repair.
Let us read about all the options given.
> Option A. Secondary growth: the growth that is the result of cell division in lateral meristems is secondary. This causes the thickening of the stems, roots etc. we can come to know about it from the increasing girth of the plant. Some plants do not undergo secondary growth like herbaceous plants.
> Option B. Primary growth: When there is an increase in the height of the shoot and roots, it is called primary growth. There is cell division in the shoot apical meristem. The three meristems are protoderm, ground meristem and procambium.
> Option C. Apical growth: When there is a growth of a plant from the apical meristem that is called apical growth. When the plant grows, these cells tend to divide and keep on forming cells. The apex is the tip of the shoot. Thus it occurs only in the upper part of the plant.
> Option D. Secondary thickening: The formation of new tissues after lateral divisions of cells in the cambium, adding new layers of growth. That is called secondary thickening. There can be annual rings seen to witness it.
> Option E. Secondary overgrowth: It is more like a malfunction in the metabolism of a plant. When the girth of the plants excessively grows is called secondary overgrowth.
The answer is option B: Primary growth.
Note: Anything that prevents the plant from doing its normal routine is a disease. They cannot perform to their maximum potential. Diseases are transmissible from one plant to the other pathogens like bacteria, viruses can cause diseases in plants. The host plant, the pathogen and the environment are the three factors to spread and happen of a disease.
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