Seed germination - development of plant, Biology

Assignment Help:

Seed Germination - Development of plant

The environmental factors that influence the germination of seeds are:

  1. Water availability,
  2. Optimal light,
  3. Aeration,
  4. Temperature and age of the seed.

When water is imbibed by the seeds, they swell. In fact, seeds swell because the hydrophilic groups like NH2, OH-, COO-, present in carbohydrates and proteins attract dipolar water molecules. If oxygen is also available the energy (ATP) for germination is obtained by oxidative phosphorylation. At optimal temperature many biochemical reactions occur. All these changes lead to germination which finally results in the emergence of radicle and the plumule. The root and the shoot grow and for their growth, food stored in the seed is available for a short period. After the leaves are developed the plant becomes autotrophic and synthesises its own food material in the presence of light.


Related Discussions:- Seed germination - development of plant

Artificial kidney, ARTIFICIA L KIDNEY - Dialysis employs the process o...

ARTIFICIA L KIDNEY - Dialysis employs the process of diffusion across a semipermeable membrane to remove unwanted urea . Dialysis is of 2 types - 1. Haemodialysis -

Molecular bio, he recombinant plasmid extracted from the surviving colonies...

he recombinant plasmid extracted from the surviving colonies contains a gene called SUC2 that codes for convertase, an enzyme needed to metabolize sucrose. Mutations in the SNF gen

Explain the clinical features of ps and vsd, Explain the Clinical Features ...

Explain the Clinical Features of PS and VSD ? Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Excretion in reptiles, describe the procedure of excretion in reptiles

describe the procedure of excretion in reptiles

Why is the sun the motor of the water cycle, Q. Why is the sun the "motor" ...

Q. Why is the sun the "motor" of the water cycle? The sun can be considered the motor of the water cycle for the reason that upon its energy the transformation of liquid water

Define tertiary level care - public nutrition, Define Tertiary level care -...

Define Tertiary level care - Public Nutrition? This is the highest level of health case available to the community for dealing with their most complex health problems, which ca

Difference in sympathetic and parasympathetic nervous system, Difference be...

Difference between Sympathetic and Parasympathetic Nervous System - S.NO . SYM P A THETIC PERASYM P A THETIC 1.

General nursing responsibilities in diagnostic procedure, GENERAL NURSING R...

GENERAL NURSING RESPONSIBILITIES IN DIAGNOSTIC PROCEDURE Let us understand what are the general responsibilities of nursing personnel while assisting in diagnostic procedure

Measurement of nitrogenase activity, Measurement of Nitrogenase Activity ...

Measurement of Nitrogenase Activity There are various methods to find out whether an organism is a N 2 -fixer or not. If an organism can grow in normal atmosphere without any

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd