English
Tamil Nadu Board of Secondary EducationHSC Science Class 12

In soil water available for plants is - Botany

Advertisements
Advertisements

Question

In soil water available for plants is

Options

  • gravitational water

  • chemically bound water

  • capillary water

  • hygroscopic water

MCQ

Solution

Capillary water

shaalaa.com
Dispersal of Fruits and Seeds
  Is there an error in this question or solution?
Chapter 6: Principles of Ecology - Evaluation [Page 130]

APPEARS IN

Samacheer Kalvi Biology (Botany) [English] Class 12 TN Board
Chapter 6 Principles of Ecology
Evaluation | Q 8 | Page 130
Samacheer Kalvi Botany [English] Class 12 TN Board
Chapter 6 Principles of Ecology
Evaluation | Q 8 | Page 157

RELATED QUESTIONS

Read the given statements and select the correct option.

  1. Hydrophytes possess aerenchyma to support themselves in water.
  2. Seeds of Viscum are positively photoblastic as they germinate only in presence of light.
  3. Hygroscopic water is the only soil water available to roots of plants growing in soil as it is present inside the micropores.
  4. High temperature reduces use of water and solute absorption by roots.

Read the given statements and select the correct option.

  1. Loamy soil is best suited for plant growth as it contains a mixture of silt, sand, and clay.
  2. The process of humification is slow in the case of organic remains containing a large amount of lignin and cellulose.
  3. Capillary water is the only water available to plant roots as it is present inside the micropores.
  4. Leaves of shade plant have more total chlorophyll per reaction centre, low ratio of chl a and chl b are usually thinner leaves.

The plant of this group are adapted to live partly in water and partly above substratum and free from water


Sticky glands of Boerhaavia and Cleome support


Soil formation can be initiated by biological organisms. Explain how?


Sandy soil is not suitable for cultivation. Explain why?


Describe the mutual relationship between the fig and wasp and comment on the phenomenon that operates in this relationship.


What is thermal stratification? Mention their types.


What is myrmecophily?


Explain Raunkiaer classification in the world’s vegetation based on the temperature.


Explain different types of hydrophytes with examples.


What are the advantages of seed dispersal?


Identify the A, B, C, and D in the given table

Interaction Effects on species X Effects on species Y
Mutualism A (+)
B (+) (-)
Competition (-) C
D (-) 0

Column I represent the size of the soil particles and Column II represents the type of soil components. Which of the following is the correct match for the Column I and Column IL

Column - I Column - II
I) 0.2 to 2.00 mm i) Slit soil
II) Less than 0.002 mm ii) Clayey soil
III) 0.002 to 0.02 mm iii) Sandy soil
IV) 0.002 to 0.2 mm iv) Loamy soil

What is the soil profile? Explain the characters of different soil horizons.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×