Deforestation results in decreased water holding capacity of soil. This reduces the infiltration of water into the ground, which causes floods.... View Article
A forest can regenerate naturally, to some extent with herb and grass vegetation in a short period of time. Reforestation can take place... View Article
Deoxygenated blood from different organs comes to the right atrium through the vena cava. From the right atrium, blood goes to the right... View Article
a) 75% About 75% percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Water also... View Article
True R. H. Whittaker proposed the five kingdom classification. The five kingdom classification are- Monera, Protista, Fungi, Plantae and... View Article
False Human sperm has head, middle piece and tail, and not the human egg. The Head contains acrosome apically, which contains enzymes that... View Article
Inexhaustible natural resource is a natural resource that will never run out. It will not be depleted and will continue to exist forever, such as... View Article
Root hairs are present in the root and they have thin walls. A process called osmosis is responsible for the water to reach at the roots.... View Article
Growing of Wheat and groundnut on the same field is called as mixed cropping or intercropping When two or more crops are grown on the same land... View Article
False Cyanobacteria or blue-green algae are monerans and not protists because they are prokaryotic in nature. Blue-Green Algae are a type of... View Article
Evaporation of a liquid at room temperature leads to a cooling effect. Evaporation can generally be defined as a process by which a liquid or... View Article
Burning of plastics and synthetic fabrics produces lots of poisonous gases, causing air pollution. So, it is not advisable to burn plastic and... View Article
Aerobic Respiration Anaerobic Respiration Oxygen is present when this form of respiration takes place. Oxygen is absent when this form of... View Article
Evaporation produces cooling as the particles at the surface of the liquid gain energy from the surroundings and change into vapour thereby... View Article
Endemic species are those which are only found in a given region or location and nowhere else in the world. However, since endemic species are... View Article
(e) True. CNG is compressed natural gas formed under high pressure and when it burns it does not produce smoke. After burning, it does not leave... View Article
Excess use of fertilizers causes environmental pollution as their residual and unused amounts will become pollutants for air, water and soil,by... View Article
Genetically modified crops are those crops whose genetic identity is altered and redefined using genetic engineering techniques.Cotton and... View Article
