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प्रश्न
A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will
विकल्प
move downwards
move upwards
remain at the same position
move sideways
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उत्तर
remain at the same position
The nail will remain at the same position after 3 years, but will appear to have sunk into the tree. This is because of the secondary growth of the tree which increases the girth of a tree. The increase in height of the plant will occur due to primary growth which occurs only in the regions of the apical meristems i.e. at the tips of the main stem or branches. As increase in height of the tree takes place from top only, therefore the nail will remain at the same position as it is inserted near the ground level.
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संबंधित प्रश्न
Name the connective tissue with a fluid matrix.
What are the cellular components of blood?
Name the kind of tissue found at the joint between two long bones.
Name one place in living organisms where the following tissues is located:
Cartilage
Give the structure and function of the following:
Bone
The question has four answers. Choose the correct answer:
Connective tissue connects
Lining of blood vessels is made up of ______.
Name the cartilage cells present in the matrix.
Identify the figure given below
- Label the parts A, B, and C
- What is the chemical composition of the tissue?
Match the following and choose the correct option
| Column I | Column II |
| A. Adipose tissue | i. Nose |
| B. Stratified epithelium | ii. Blood |
| C. Hyaline cartilage | iii. Skin |
| D. Fluid connective tissue | iv. Fat storage |
