Home
Class 11
BIOLOGY
When a tree grows older which of the fol...

When a tree grows older which of the following increases rapidly?

A

Heart wood

B

Sap wood

C

Pith

D

Cortex

Text Solution

AI Generated Solution

The correct Answer is:
### Step-by-Step Solution: 1. **Understanding the Question**: The question asks which component of a tree increases rapidly as the tree grows older. 2. **Analyzing the Options**: - **Option 1: Hardwood**: - Hardwood is found in the core of the trunk and is composed of non-living and dead cells from the secondary xylem. - As the tree grows, the hardwood expands, providing rigidity and strength to the tree. - Therefore, hardwood increases rapidly as the tree ages. - **Option 2: Sapwood**: - Sapwood is the outer layer of the secondary wood and contains living cells that transport water and minerals. - It does not increase in size as significantly as hardwood does, especially since it can shrink when dried and is susceptible to fungal attacks. - Thus, sapwood does not increase rapidly with age. - **Option 3: Pith**: - The pith, or medulla, is a tissue in the stems of vascular plants, primarily composed of parenchyma cells that may store starch. - The pith does not significantly increase in size as the tree ages. - Therefore, this option is also incorrect. - **Option 4: Cortex**: - The cortex is the outer layer of the stem or root, lying beneath the epidermis and outside the vascular bundle. - It is responsible for the transport of materials and storage, but it does not increase significantly with age. - Hence, this option is also incorrect. 3. **Conclusion**: After analyzing all options, it is clear that **hardwood** is the component that increases rapidly as the tree grows older. ### Final Answer: **Hardwood increases rapidly as a tree grows older.** ---
Promotional Banner

Topper's Solved these Questions

  • HISTOLOGY AND ANATOMY OF FLOWERING PLANTS

    AAKASH SERIES|Exercise EXERCISE - III (PREVIOUS AIPMT/NEET QUESTIONS)|24 Videos

  • HISTOLOGY AND ANATOMY OF FLOWERING PLANTS

    AAKASH SERIES|Exercise EXERCISE - I (SECONDARY GROWTH)|45 Videos

  • ENVIRONMENTAL ISSUES

    AAKASH SERIES|Exercise Exercise-III (Previous AIPMT/NEET Questions)|41 Videos

  • HUMAN HEALTH DISEASE

    AAKASH SERIES|Exercise EXERCISE - III (PREVIOUS AIPMT/NEET QUESTIONS)|56 Videos

Similar Questions

Explore conceptually related problems

Which of the following reaction occur most rapidly ?

Which of the following is a tree frog?

As a tree grows older, which increases rapidly in thickness

One cannot age a tree by its rings if that tree is located in which of the following forests

When soil pH increases, which of the following minerals become unavailable:

The interval in which the function x^3 increases less rapidly than 6x^2+15x+5

Allision is planting a garden with at least 15 trees. There will be a conbination of apple trees, which cost $120 each, and pear trees, which cost $145 each. Allision's budget for purchasing the trees is on more than $2,050. She must plane at least 5 people trees and at least 3 pear trees. Which of the following systems of inequaliteies represents the situation described if x is the number of apple trees and y is the number of pear trees ?

In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissue?

The trees growing in desert will

When water is heated in a closed system, the vapor pressure increase slowly at first and then more rapidly. As the water reaches the boiling point of 100^(@) C, the vapor pressure reaches 1 atm, known as 1 standard atmosphere. Which of the following models best describes the increase in vapor pressure as water is heated to its boiling point?