Plant Physiology

Steroid

Steroids are chemical substances with biological activity. They’re made up of four rings organised in a certain molecular arrangement. Steroids have two major functions: they work as a key component of the cell membrane, altering the fluidity of the membrane, and they act as a hormone. These serve as a signalling molecule as well. Animals, […]

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Biology, Class 11, NEET, Plant growth regulators: Auxins, gibberellins, cytokinins, Plant Physiology

Steps of Pollen Pistil Interaction

The acceptance of compatible pollen by the pistil and the rejection of self-incompatible pollen by the pistil in the Brassicaceae includes intricate molecular communication mechanisms between the pollen grain and the female reproductive organs. Preference for species-related pollen, paired with self-recognition systems, allows the plant to select the most desirable pollen, increasing the number of

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Biology, Class 11, NEET, Plant growth regulators: Auxins, gibberellins, cytokinins, Plant Physiology

STEPS OF PLANT GROWTH

During the process of plant growth, cells and organs grow in size irreversibly as a result of cell division and enlargement, resulting in an irreversible change in their size. Plant development is the progression of a plant’s life cycle from seed germination to maturation and beyond. In informal interactions, the terms growth and development are

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Biology, Class 11, NEET, Plant growth regulators: Auxins, gibberellins, cytokinins, Plant Physiology

Stem

Many plants’ stems have been changed to serve a variety of purposes, including storage, protection, photosynthesis, support, propagation, and perennation. Adaptation and survival are aided by modifications. The plumule of the germinating seed develops into stems. It produces leaves, fruits, and flowers, among other things.  Nodes and internodes are the distinguishing characteristics of a stem.

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Biology, Class 11, NEET, Plant growth regulators: Auxins, gibberellins, cytokinins, Plant Physiology

Starch in the pea

Pea starch contains a high percentage of amylose (35%) and as a result, it has superior thickening and gelling qualities than other regularly used starches. Furthermore, natural pea starch has features such as increased temperature, acidity, and shear stability. Smooth peas had a starch level ranging from 53.61 to 57.23 percent. The average amylose content

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Biology, Class 11, NEET, Plant growth regulators: Auxins, gibberellins, cytokinins, Plant Physiology

Stamen

Stamens are the male reproductive organs of flowering plants. In most species, they are made up of an anther, which is where pollen grows, and a stalk-like filament, which delivers water and nutrients to the anther and positions it to help pollen spread. Male sporogenous cells differentiate and go through meiosis within the anther to

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Biology, Class 11, NEET, Plant growth regulators: Auxins, gibberellins, cytokinins, Plant Physiology

Sporulation

  What is Sporulation? Sporulation is the formation of inactive and nearly asleep bacteria. Spores are able to preserve the genetic material of bacteria in extreme conditions that make it difficult for normal bacteria. The multi-layered structure of sporulation can be sustained for a long period. Spores protect bacteria from heat and extreme radiation for a longer

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Biology, Class 11, NEET, Plant growth regulators: Auxins, gibberellins, cytokinins, Plant Physiology

Sowing

In the past decades, agriculture plays a crucial role in the life of an economy. The entire world depends on agriculture for food.  Therefore, agriculture is mainly involved in the production of basic food crops. Altogether, about 70 – 80 per cent of the world’s population practices agriculture. There are certain parameters and different agricultural practices, which

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Biology, Class 11, NEET, Plant growth regulators: Auxins, gibberellins, cytokinins, Plant Physiology

Sorosis

The term sorosis means the fleshy type of fruit formed by the process of combination of various flowers with their particular container or repository, ovaries, etc. as the breadfruit, mulberry, and pineapple. This type of structure in Sorosis typically includes leftovers of floral tissues, for example, the perianth. Sorosis can also be defined as the

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Biology, Class 11, NEET, Plant growth regulators: Auxins, gibberellins, cytokinins, Plant Physiology

Somatic Embryogenesis

Somatic embryogenesis is an artificial procedure in which a plant or embryo is generated from a single somatic cell. Somatic embryos are created from plant cells that are not ordinarily involved in the development of embryos, i.e., regular plant tissue. No endosperm or seed coat is developed around a somatic embryo. Cells taken from competent

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Biology, Class 11, NEET, Plant growth regulators: Auxins, gibberellins, cytokinins, Plant Physiology