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Root System Video Lecture | Science & Technology for UPSC CSE
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FAQs on Root System Video Lecture - Science & Technology for UPSC CSE
| 1. What is a root system in plants? |  |
Ans. A root system in plants refers to the network of roots that anchor the plant in the soil and absorb water and nutrients. It consists of primary roots, lateral roots, and root hairs, all of which work together to support the plant's growth and development.
| 2. How does a root system help plants? | |
Ans. A root system plays a vital role in plants as it provides stability by anchoring the plant in the soil. Additionally, the root system absorbs water and nutrients from the soil, which are essential for the plant's survival and growth. It also helps in storing food reserves and can contribute to vegetative propagation in some plants.
| 3. What are the types of root systems? | |
Ans. There are two main types of root systems: taproot systems and fibrous root systems. Taproot systems have a primary root that grows vertically downwards and gives rise to lateral roots. Examples include carrots and radishes. Fibrous root systems, on the other hand, have a cluster of roots that spread horizontally near the surface, providing excellent anchorage. Grasses and wheat are examples of plants with fibrous root systems.
| 4. How does the structure of a root system vary in different plant species? | |
Ans. The structure of a root system varies among different plant species. Some plants have a well-developed taproot system with a dominant primary root, while others have a fibrous root system with numerous thin roots of similar size. The depth and spread of the roots also differ depending on the plant's habitat and requirements. For example, plants in dry environments may have deep taproots to access water deep underground.
| 5. Can the root system of a plant regenerate if damaged? | |
Ans. Yes, the root system of a plant can regenerate if damaged. The ability to regenerate depends on the severity of the damage and the plant's species. In some cases, if the primary root is damaged or removed, lateral roots can develop into new primary roots. Additionally, root cuttings can be taken from certain plants and grown into new plants through vegetative propagation. However, it is important to note that not all plants have the same regenerative capacity.
Text Transcript from Video
root system the underground part of
plant is called root system the
underground main axis of the plant body
is called root it is the prolongation of
radical of the embryo it is positively
geo tropic or negatively phototropic
it is not differentiated into nodes and
Internode's it is non chlorophyll as' or
brown colored it does not possess leaves
buds flowers and fruits lateral roots
are produced from main axis in a crop
Atal succession lateral roots are formed
from in the region of the main axis para
cycle so these are called endogenous
organs the small hair like outgrowth
present on the tips of lateral roots and
main axis are called root has root has
are exogenous organs root has are found
in Massa fights and Zehra fights and
absent in hydro fights the protective
layer present around the root tip is
called root cap root cap is made up of a
dead tissue called collector Jen hence
it is also called Culebra root cap is
well developed in Massa fights and zero
fights absent in hydro fights in
free-floating hydro fights root pockets
are present
types of root system
you
in angiosperms two types of root systems
are present they are one tap root system
two fibrous root system or advantageous
root system tap root system the central
main axis is called tap root tap root is
formed by the prolongation of radical of
the embryo lateral roots are produced
obliquely in all directions from tap
root in a crop Atal succession it is
most commonly found in dicotyledons
fibrous root system or adventitious
roots system a bunch of new roots are
produced from the base of the stem as
fibers so these roots are called fibrous
roots and the root system is called
fibrous root system in this roots are
not formed from radical so these are
also called adventitious roots and the
root system is called adventitious roots
system it is most commonly found in
monocotyledons functions of root system
roots provide Anchorage to the plant by
fixing it into the soil roots absorb
water and minerals from the soil roots
conduct the absorbed water and minerals
to the chute system
plant is called root system the
underground main axis of the plant body
is called root it is the prolongation of
radical of the embryo it is positively
geo tropic or negatively phototropic
it is not differentiated into nodes and
Internode's it is non chlorophyll as' or
brown colored it does not possess leaves
buds flowers and fruits lateral roots
are produced from main axis in a crop
Atal succession lateral roots are formed
from in the region of the main axis para
cycle so these are called endogenous
organs the small hair like outgrowth
present on the tips of lateral roots and
main axis are called root has root has
are exogenous organs root has are found
in Massa fights and Zehra fights and
absent in hydro fights the protective
layer present around the root tip is
called root cap root cap is made up of a
dead tissue called collector Jen hence
it is also called Culebra root cap is
well developed in Massa fights and zero
fights absent in hydro fights in
free-floating hydro fights root pockets
are present
types of root system
you
in angiosperms two types of root systems
are present they are one tap root system
two fibrous root system or advantageous
root system tap root system the central
main axis is called tap root tap root is
formed by the prolongation of radical of
the embryo lateral roots are produced
obliquely in all directions from tap
root in a crop Atal succession it is
most commonly found in dicotyledons
fibrous root system or adventitious
roots system a bunch of new roots are
produced from the base of the stem as
fibers so these roots are called fibrous
roots and the root system is called
fibrous root system in this roots are
not formed from radical so these are
also called adventitious roots and the
root system is called adventitious roots
system it is most commonly found in
monocotyledons functions of root system
roots provide Anchorage to the plant by
fixing it into the soil roots absorb
water and minerals from the soil roots
conduct the absorbed water and minerals
to the chute system
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Nov 24, 2024 Last updated |
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