Describe modifications of stem with suitable examples.

Q: Give the exact location and one function of pinna.

A: External part of the ear or outer ear has a structure known as pinna. It is also known as auricle…

Q: Describe the internal structure of monocot root with the help of label diagram?

A: In the monocot root of Colocasia there is absence of Cuticle (Outer protecting covering of wax). The…

Q: Differentiate cyme from corymb inflorescence.

A: An inflorescence can be defined as the group of flowers that is present on the stem. It is a…

Q: Describe the structure of a pollen grain.

A: The powdery substance synthesized by the seed plants which is responsible for the production of the…

Q: Describe what is meant by the term heterosporous.

A: The plants consist of roots, stem, leaves, fruits and flowers. The conduction system in plants are…

Q: Describe the rules in plant naming.

A: Naming in biology is determined by that taxonomical and naming system. The naming of plants and…

Q: What is the root cap?

A: Root is the underground part of a plant. It develops from the radicle of germinating seed. It's…

Q: Describe the process of sowing of maize by a seed drill

A: Soil preparation in agriculture is followed by the sowing of seeds. Sowing is the process of…

Q: Write down the features of peterophyllum?

A: Fishes are the cold-blooded or ectothermic organisms. This means that they do not maintain the…

Q: Explain how the following structures may be used to propagate plants asexually: rhizomes, tubers,…

A: Propagation is the production of new organisms.

Q: Describe modifications of stem with suitable examples

A: It has been discovered that the stems of various plants have been modified to perform different…

Q: What is the importance of Koch’s Postulate in Plant Pathology

A: In the year 1884, Robert Koch and Friedrich Loeffler came up with the postulates, and in the year…

Q: Describe and explain the results shown in Table 1 and suggest how the results might have differed if…

A: Answer. Auxin is the first plant hormone discovered by the Frits Went as a growth-promoting chemical…

Q: There are two types of Aerial stem. Erect and _______.

A: Plants can be divided into two major organ systems - The root and the shoot system.

Q: Why is hybrid seed so expensive to produce?

A: Hybrid seed - Seed produced by cross between two inbred species, and produced with favorable traits,…

Q: Describe various stem modifications.

A: Plant species can have modified stems that are suited to a particular habitat and environment. For…

Q: mpare the monocot stem from the dicot stem. How are some parts of a plant modified in the other plan

A: The stem, which develops from the plumule component of the embryo and expands through a terminal…

Q: Explain the function of seeds and how they form.

A: Reproduction is the biological function by which parents create a new human entity. Plants reproduce…

Q: Explain the diference between short-day and long-day plants.

A: Step 1 Photoperiodism is the effect of photoperiods or relative lengths of day and night on the…

Q: give two techniques that can be employed to extract oil from seeds?

A: Oil extraction is defined as the process of separating triglyceride (TAG) lipids from the harvested…

Q: Using appropriate examples, list some types of modified stemsand explain their defining features

A: Like leaves and roots, shoots and stems also have modifications. This is now as modified stems. Here…

Q: A structure that makes possible the flexing of the cell membrane during movement in the Euglena.

A: At the time of movement in euglena, the cell membrane's flexing is possible because of eukaryotic…

Q: List four features which enable the Xeric plants to survive in the desert conditions.

A: The term Xeric was coined by Denver Water Board in classifying the plant which actually evolved with…

Q: Would there be any difference between a young and mature monocot stem cross section?

A: Angiosperms or flowering plants can be divided into two categories. One of the categories involves…

Q: If a theoretical plant grew in an arid waterless environment, give a probable description of the…

A: Description of a theoretical plant growing in arid waterless environment. Leaves are either very…

Q: Name any one plant & its feature that shows the phenomena of incompletedominance?

A: The character which expresses itself in F1 generation is called by Mendel as dominant character,…

Q: Explain how the plantlet is regenerated using cuttings? Put your references.

A: Introduction The small plants produced by some plants along the margins of their leaves are called…

Q: Refer to Figure 18. Are the storage roots of sweet potato ( Ipomoea batatas) and the tubers of…

A: HOMOLOGOUS ORGANS The study of morphological characteristics like origin, development, and position…

Q: Define Pollen grain.

A: Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The…

Q: Using appropriate examples, discuss the diversity of forms amonggymnosperm lineages

A: The diversity of forms among gymnosperms is due to their long evolutionary history. Gymnosperms…

Q: Describe the method of preparation of planting material for Ginger and describe how it can be…

A: Introduction Ginger (Zingiber officinale) is a plant native to Asia, it is a flowering plant whose…

Q: Germination of seeds explanation for assignment

A: The ripened or matured ovule of a flowering plant, which contains an embryo and capable of…

Q: Explain the structure of the pollen.

A: Pollen grains are microscopic structures that are responsible for transporting the male reproductive…

Q: Work of adventitios roots with example?

A: Roots are a plant structure that provides anchorage to the plant and helps in absorbing nutrients…

Q: Compare and Contrast Monocot seeds and Dicot seeds

A: A seed is an embryonic plant that is generally stated and defined that they are surrounded by a…

Q: Explain how the plantlet is regenerated using cuttings?

A: Cuttings of plant These are pieces of the plant that are used for asexual or vegetative…

Q: Would it be wrong to call plants obtained through micro-propagation as ‘clones’? Comment. Please…

A: Step 1 Micro-Propagation also called tissue culture is the technique or method of in vitro…

Q: Explain whether the micrograph shown in the question is a stem or a root that belongs to eudicot or…

A: Dicotyledons, or simply dicot, are plants with two cotyledons or embryonic leaves in their seeds.…

Q: Describe the sub-aerial modifications of the stem.

A:

Q: Describe modification of stem with suitable examples?

A: Plants are multicellular, eukaryotic organisms that are autotrophic in nature (makes their own…

Q: Describe the process of sowing of maize by a seed drill.

A: Maize is an expensive crop, so planting it right, and achieving good yields are important. Important…

Q: What promotes root and stem cutting?

A: Plants are the autotrophs and primary producers in the food chain. Plants leaves contain…

Q: Give two examples of modified stems and explain how each example benefits the plant.

A: A living thing that grows in the earth and has a stem, leaves, and roots is known as the plant.…

Q: Why is it necessary to graft rootstock onto wine grape plants?

A: Why is it necessary to graft rootstock onto wine grape plants? Answer. (A). to avoid aphid…

Q: State the correct sequence of plants in a hydrosere.

A: BASIC INFORMATION ECOLOGICAL SUCESSION the ecosystem is susceptible to change and is constantly…

Q: Why are some of the specimens called specialized or modified stems? Give reasons.

A: The usual function of stem is to support the axis of the plant and provide a conduit for transport…