Question

Complete the sentences by giving reasons:
1. The veins of a leaf have double pipeline tubes because
2. The leaves which are green, are so becau:
3. A yellow leaf cannot make food because ......
4. The stem of a sugarcane is sweet because .....
5. Cactus can make food without leaves because
cause ........​

Answer 1

Answer:

Heya ✌️ ✌️

Here's your answer...

1. The veins of a leaf have double pipeline tubes because they consists of xylem and phloem which help in the transportation of water and food respectively.
2. The leaves which are green, are so because they contain a green coloured pigment called chlorophyll.
3. A yellow leaf cannot make food because it lacks chlorophyll which is essential for the process of photosynthesis to make food.
4. The stem of a sugarcane is sweet because it stores glucose in the form of starch which is sweet to taste.
5. Cactus can make food without leaves because it has modified leaves in the form of spikes which contain chlorophyll and make food by the process of photosynthesis.

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