Biology Topics

Fungal, Viral and Bacterial diseases in Plants

Fungal, Viral and Bacterial diseases in Plants:   Diseases in plants are caused by different agent and affect its different parts. Most plant diseases are caused by fungi, bacteria, and viruses. List of some of the fungal, viral and bacterial diseases are given below:     Fungal Diseases in Plants   Name of the Crop/PlantFungal  Disease Sugar Read More


Facts About Animal Cell

Facts About Animal Cell Robert Hook was the first to coin the term ‘Cell’ Cell is defined as structural and functional unit of the body     PROTOPLASM It is the living substance of the cell. It is a viscous, colourless fluid and is the seat for all physiological functions.   ENDOPLASMIC RETICULUM The endoplasmic reticulum is a network of membranes found throughout the cell and Read More


IMPORTANT ZOOLOGY TERMS AND DEFINITION

IMPORTANT ZOOLOGY TERMS AND DEFINITION   Actin: It is one of the two proteins in the muscles. Adrenal gland: It is the pair of important glands present by the side of the kidneys in higher animals. Acquired Immune Deficiency Syndrome: AIDS is a disease caused by a virus which inactivates the immune system in the body. Albinism: It is a condition in which the normal skin colour is absent. It is caused by reduction or to Read More


Short Notes on Biology for SSC & Railway & All Competitive Exams

Short Notes on Biology for SSC & Railway & All Competitive Exams   1. The main function of W.B. C. is to produce antibodies.   2. Retina in the eye, acts as a film in the camera.   3. Human tears contain a mild antibacterial agent, named Lysozyme.   4. The biggest bone in the human body is femur.   5. Vitamin B12 is almost never found in plants.   6. Agrostol Read More


Some Important Facts related to Human Body

Some Important Facts related to Human Body • Largest and strongest Bone in the body: Femur (thigh bone) • Smallest Bone in the body: Stapes in ear • Number of Cells in the body: 75 trillion • Volume of Blood in the body: 6 litres (in 70 kg body) • Number of Red Blood Cells (R.B.C.): In male: 5 to 6 million/cubic mm; In female: 4 to 5 million/cubic mm • Life span of Red Blood Cells (R.B.C.): Read More


Types of Vitamins

Types of Vitamins : Vitamin Chemical Name Food Sources Deficiency Diseases         A Retinol Milk , Eggs, Fish, Butter, Cheese & liver Night Blindness, Skin Dryness         B1 Thiami Read More


Types of Diseases

TYPES OF DISEASES :   Vitamins and Minerals Deficiency Diseases : Anaemia It is caused due to deficiency of Mineral iron     Ariboflavinosis It is caused due to deficiency of Vitamin B2     Beri Beri It is caused due to deficiency of Vitamin B   Read More


Some Important Biology Points

Some Important Biology Points 1) A chemical change in DNA molecule is called mutation. 2) Glycogen acts as a shortterm food reserve in animals. 3) Estrogen is a female sex hormone. 4) The enzyme amylase aids in the digestion of starch. 5) ATP synthesis takes place in mitochondria. 6) 60%- 65% (Men) & 50- 60% (women) of the body weight of a human is water 7) Adipose tissue in human being is present below dermis. Read More


Human Body At A Glance

HUMAN BODY AT A GLANCE (BIOLOGY TOPICS) Biggest Organ liver     Heart Beat 72times in a minute     Master Gland Pituitary     Number of Bones 206     Number of Musc Read More


Common Diseases and Affected Body Part

COMMON DISEASES AND AFFECTED BODY PART : DISEASE AFFECTED PART   DISEASE AFFECTED PART           AIDS Immune system of the Body   Malaria Spleen           Read More





 

 

 

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