False Synthetic fibres melt on heating. When synthetic fibres are burnt their behaviour is different from that of the natural fibres. It can be... View Article
The chemical name of cotton is cellulose. Cotton is a soft fibre that is obtained from cotton plants and grows as a boll.It is mainly grown in... View Article
The advantages of using compressed natural gas (CNG) and liquefied petroleum gas (LPG) as fuels are: They can be burnt directly. They can be... View Article
a) Dorsal fin b) Caudal fin c) Pelvic fin d) Pectoral fin Caudal fin is found at the tip of the tail. It helps in streamlined movement in water.... View Article
Platelets are responsible for clotting of blood. If there are no platelets, the blood would not clot in case of an injury. This will lead to... View Article
Emulsification is the process of breaking down the fat into smaller globules making it easy for the enzymes to act and digest the food .... View Article
Green plants are the sources of food and energy for all organisms. If all green plants disappear from the earth, all the herbivores will die due... View Article
Insects have a damaging effect on the crop yield. Some insects cut the plant parts inhibiting their growth while others suck the cell sap so bees... View Article
Both snake and turtle are kept under same class called reptilians. These animals are cold-blooded They have scales and breathe through lungs... View Article
A cell wall is defined as a rigid, external layer that is specifically designed to provide structural support and rigidity. It also keeps the... View Article
The black, thick liquid with an unpleasant smell is known as coal tar. Coal tar is used primarily for the production of refined chemicals and... View Article
Synthetic fibres are important in our life because of multiple uses. Nylon belongs to the synthetic polymers family and is also known as... View Article
Answer: (d) In Yeast cytoplasm Glucose is broken down in anaerobic conditions to produce Pyruvate which is further disintegrated to Ethanol and... View Article
The two types of animal feed are: Roughage: These are rich in fibre; e.g., cowpea, berseem, etc .It is coarse and fibrous substance hacing low... View Article
It is a manure rich pulverized organic matter and worm castings. Vermicompost is formed by the activity of earthworms on organic remains.... View Article
Lysosomes are single membrane bound cellular organelles. They possess many hydrolytic enzymes that destroy any foreign material inside the cell... View Article
Forests serve as a carbon sink by absorbing atmospheric carbon dioxide during photosynthesis. Since carbon dioxide is a greenhouse gas,... View Article
False Oxygen in air is an inexhaustible natural resource, as it is present in unlimited quantity in nature and cannot be exhausted by human... View Article
he Mathura oil refinery is located at Mathura in Uttar Pradesh. It is a refinery of Indian Oil which procedures low and high Sulphur crudes and... View Article
External fertilization in an aquatic environment protects the eggs from drying out. Female fish releases eggs into water and male fish releases... View Article