Burning of fuels causes global warming. The statement is correct. Fossil fuels are generally the mixtures of carbon based compounds. On burning... View Article
True The dead remains of plants buried under earth’s surface under high pressure and temperature and in absence of air slowly convert into... View Article
An essential non-metal used in breathing by all living beings is 'Oxygen' Metals and Non-metals are different types of materials present around... View Article
The substrates for the following enzymes are (a)Trypsin - Protein Trypsin breaks proteins into smaller peptides in the duodenum. It is a... View Article
The oxygen content of water is much less than the oxygen content of air and hence rate of breathing is aquatic organisms is faster than in... View Article
c) Leishmania Kala azar is a slow advancing and naturally occurring disease that is caused by a protozoan parasite of Leishmania genus. In... View Article
(a) Bilateral symmetry: When the body is divided into identical left and right halves in only one plane, it is called bilateral symmetry. E.g.,... View Article
b)Adipose tissue Fats are stored as fatty acids. Adipose tissues are loose connective tissues found below the skin and between the internal... View Article
Estrogen is the female hormone produced by ovaries that helps in development of mammary glands. Estrogen is the female sex hormone produced in... View Article
Following reasons can be considered to discourage the use of wood as a fuel- It has a high ignition value, so the combustion process of wood... View Article
(i) nitrogen (ii) phosphorus Nitrogen is used by plants for lots of leaf growth and good green colour. Phosphorous is used by plants to help... View Article
Pesticides are used in very accurate concentration and in a very appropriate manner due to the following reason. (a) Harms the soil and causes... View Article
Lichens release chemical substances to break the rocks into smaller particles and hence make soil. They enrich the soil by trapping water, dust... View Article
b) Water Hepatitis is an inflammatory condition of the liver. It disturbs various metabolic processes such as bile production, excretion, fat... View Article
c) Chloroplast Chloroplast is a plastid that is involved in the synthesis of carbohydrates through photosynthesis and hence called as the... View Article
c) Virus The virus remains as a non-living entity outside the host. They can multiply and start living once they invade the host. Outside the... View Article
Though the mother gives birth to a baby, fertilization involves the fusion of gametes from both the parents. Hence, character is obtained by both... View Article
Forest is a large geographical area dominated by trees, animals of various species, aquatic biomes and microorganisms. Forest fire is synonymous... View Article
