diksha bhatla  
26 May 2022   

Nucleic acids are long polymers of nucleotides. While DNA stores genetic information, RNA mostly helps in transfer and expression of information. ...

diksha bhatla  
26 May 2022   

Growth is one of the most conspicuous events in any living organism. It is an irreversible increase expressed in parameters such as size, area, le...

diksha bhatla  
26 May 2022   

Plants unlike animals have no special systems for breathing or gaseous exchange. Stomata and lenticels allow gaseous exchange by diffusion. Almo...

diksha bhatla  
26 May 2022   

Green plants make their own food by photosynthesis. During this process carbon dioxide from the atmosphere is taken in by leaves through stomata a...

diksha bhatla  
25 May 2022   

Anatomically, a plant is made of different kinds of tissues. The plant tissues are broadly classified into meristematic (apical, lateral and int...

diksha bhatla  
25 May 2022   

Root system is either tap root or fibrous. Generally, dicotyledonous plants have tap roots while monocotyledonous plants have fibrous roots. The r...

diksha bhatla  
21 May 2022   

Biological classification is defined as the process of grouping organisms according to certain similarities.Linnaeus proposed the two kingdoms of ...

diksha bhatla  
23 May 2022   

Plant kingdom includes algae, bryophytes, pteridophytes, gymnosperms and angiosperms. Algae are chlorophyll-bearing simple, thalloid, autotrophic ...

diksha bhatla  
26 May 2022   

This diffusion of substances depends on their size, solubility in water or organic solvents. Osmosis is the special type of diffusion of water acros...

diksha bhatla  
26 May 2022   

Plants obtain their inorganic nutrients from air, water and soil. Plants absorb a wide variety of mineral elements. Not all the mineral elements tha...

diksha bhatla  
26 May 2022   

Flowers are the seat of sexual reproduction in angiosperms. In the flower, androecium consisting of stamens represents the male reproductive organs ...

diksha bhatla  
26 May 2022   

Two major environmental issues of global nature are increasing greenhouse effect, which is warming Earth, and depletion of ozone in the stratosphere...

diksha bhatla  
26 May 2022   

Genetics is a branch of biology which deals with principles of inheritance and its practices. Progeny resembling the parents in morphological and ph...

diksha bhatla  
26 May 2022   

The ever-increasing demand of food from animals and animal products both in terms of quality and quantity has been met by good animal husbandry prac...

diksha bhatla  
26 May 2022   

Maintenance of a constant internal environment (homeostasis) by the organisms contributes to optimal performance, but only some organisms (regulator...