Match the following.
Column I - Column II
- Phyllode -(i)Australian Acacia
- Phylloclade - (ii) Curcuma
- Adventitious food - (iii)Sweet potato storage root
- Rhizome - (iv) Opuntia (a) A-(i), B-(iv), C-(iii), D-(ii) (b) A-(ii), B-(i), C-(iv), D-(iii) (c) A-(iii), B-(ii), C-(i), D-(iv) (d) A-(iv), B-(iii), C-(ii), D-(i)
The Correct Option is A
Approach Solution - 1
Approach Solution -2
Ans. The bipinnate lamina is lacking in a number of acacia species found in the Australian deserts. Instead, a sickle-shaped structure is formed by flattening the petiole and a portion of the rachis to undertake the task of food synthesis. The term "phyllode" refers to such a flattened petiole that performs the duties of the lamina. Because phyllodes are vertically positioned and have fewer stomata, they serve as a method to minimize transpiration.
Flattened shoots are known as phylloclade and are regarded as modified branches. They are photosynthetic branches and structures that resemble flattened leaves. To reduce transpiration, they have smaller leaves, early leaf fall, scaly leaves, spines, thorns, and other features.
Phylloclade development is a xerophyte's (plant found in arid habitat) adaptation. Examples include Opuntia, Casuarina, etc. These and cladodes are quite similar.
The adventitious root system is the root system that develops from any portion of the plant other than the radicle, such as stem nodes, internodes, leaves, etc. Another kind of adventitious root system is the fibrous root system. They might be aerial or subsurface. Common examples of these roots are grasses, banyan trees, Monstera, etc.
Rhizome, also known as creeping rootstalk, is a horizontal subterranean plant stem that can produce a new plant's roots and shoots. Rhizomes help plants perennate (survive an annual unfavorable season) by storing proteins and starches underground. Furthermore, such altered stems enable the parent plant to reproduce vegetatively (asexually), although some plants, like different bamboo and poplars, significantly rely on rhizomes for that purpose. The rhizome is the sole stem of the plant in many ferns and aquatic plants like water lilies. Only the foliage and blossoms are clearly seen in such situations. Notably, certain species' rhizomes are edible and prized for their culinary purposes, such as those of lotus, ginger, and turmeric.
Top Questions on morphology of flowering plants
- Variation in lengths of filaments of stamens within a flower is seen in:
- TS EAMCET - 2024
- Botany
- morphology of flowering plants
- Identify the wrong pair:
- TS EAMCET - 2024
- Botany
- morphology of flowering plants
- What are some archaeological sites where Neanderthal remains and artifacts have been discovered?
- MHT CET - 2024
- Biology
- morphology of flowering plants
- Match List-I with List-II :Choose the correct answer from the options given below
List-I List-II A. Vexillary aestivation I. Brinjal B. Epipetalous stamens II. Peach C. Epiphyllous stamens III. Pea D. Perigynous flower IV. Lily - NEET (UG) - 2024
- Biology
- morphology of flowering plants
- Which of the following examples show monocarpellary, unilocular ovary with many ovules?
A. Sesbania
B. Brinjal
C. Indigofera
D. Tobacco
E. Asparagus
Choose the correct answer from the options given below :- NEET (UG) - 2024
- Biology
- morphology of flowering plants
Questions Asked in AIIMS exam
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A) : 02 is liberated in the non-cyclic photophosphorylation.
Reason (R) : Liberation of oxygen is due to photolysis of water.
In the light of the above statements, choose the correct answer from the options given below
- AIIMS - 2019
- Photosynthesis in higher plants
- Which gas is present predominantly in biogas
- AIIMS - 2019
- Aerobic Respiration
- Match the following column I with column II.
- AIIMS - 2019
- cloning
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A) : The Cro-Magnon man was the direct ancestor of the living modern man.
Reason (R) : Cro-Magnon man had slightly prognathous face.
In the light of the above statements, choose the correct answer from the options given below
- AIIMS - 2019
- evolution
- Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion: Orbit of a satellite is within the gravitational field of earth whereas escaping is beyond the gravitational field of earth.
Reason: Orbital velocity of a satellite is greater than its escape velocity.
In the light of the above statements, choose the correct answer from the options given below- AIIMS - 2019
- Gravitation
Concepts Used:
Morphology of Flowering Plants
Morphology in flowering plants tells us that every plant has two systems such as a root system and a shoot system. The root system digs deep into the ground and structures a system of its own. On the other hand, the shoot system is the one that is above ground level and includes various plant parts.
Root System
The descending part of the plant grows under the soil roots. During the germination process, the radicle from the seed grows earthward and branches out. The branches along with the primary root are called the root system. Roots lack chlorophyll and therefore they are not green in color. Roots are positively geotropic and hydrotropic, that is, they grow downwards ground and water, and negatively phototropic, which is growing away from light.
There are three types of root systems found in plants are as follows:
- TapRoot System
- Fibrous Root System
- Adventitious Root System
Shoot System
The stem is also an essential element of the plant. It is the ascending portion of the plant axis that bears branches, flowers, leaves, and fruits, as well as aiding in water and mineral conduction. It is the plant's aerial portion, brought about from an embryo's plumule or germinating seeds. Young stems are ordinarily green, but they finally turn woody and brown.