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Trees and plants are also living beings. They need food, water and air for survival. It is interesting to know how they take their food.                 Plants get their food both from the earth and the air. If you look at their roots they are like fine fibers. We call them root hairs. They absorb water and minerals and transport them upwards to the leaves through the trunk and the branches.                 Chlorophyll in the leaves prepare the food like a machine. It converts the carbon dioxide taken from the air and water from the ground into sugar with the help of sunlight. This chemical reaction is called photosynthesis.                 Sugar is further converted into starch and is stored in the plant. The minerals are converted by chemical processes into protein, juice, oil, and other edible materials. The plants use these materials as their food for growth. What is the job of root-hairs?

Pertanyaan

                Trees and plants are also living beings. They need food, water and air for survival. It is interesting to know how they take their food.

                Plants get their food both from the earth and the air. If you look at their roots they are like fine fibers. We call them root hairs. They absorb water and minerals and transport them upwards to the leaves through the trunk and the branches.

                Chlorophyll in the leaves prepare the food like a machine. It converts the carbon dioxide taken from the air and water from the ground into sugar with the help of sunlight. This chemical reaction is called photosynthesis.

                Sugar is further converted into starch and is stored in the plant. The minerals are converted by chemical processes into protein, juice, oil, and other edible materials. The plants use these materials as their food for growth.

What is the job of root-hairs?

  1. To prepare the food

  2. To absorb food from the air

  3. To absorb water from the soil

  4. To get food from the earth and the air

Pembahasan Soal:

Berdasarkan kalimat “They absorb water and minerals and transport them upwards…”, dapat diketahui bahwa fungsi dari ‘root-hairs’ atau ‘akar rambut’ pohon adalah menyerap air dan mineral dan membawanya ke atas, sehingga pilihan jawaban yang tepat adalah (C) ‘to absorb water from the soil’ atau ‘menyerap air dari tanah’

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 20 Desember 2020

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