Tag: Oasis School Science Class 10

Group A 1. Define heat. What is its SI unit? Answer: Heat is defined as the energy in flow from a body at higher temperature to another body at low temperature. Its SI unit is Joule (J). 2. State the factors on which the amount of heat present in a body depends. Answer: The amount…

Group A 1. What is energy? Write down its SI unit. Answer: Energy is the ability of a body to do work. Its SI unit is Joule (J). 2. What ar evarious types of energy sources? Name them. Answer: 3. What is renewable source of energy? Answer: 4. Given any two examples of renewable source…

Group A 1. What is pressure? Answer: Pressure is defined as the thrust acting per unit area of the surface of a body. 2. Write down formula and SI unit of pressure. Answer: Pressure (P) can be calculated as the ratio of Thrust (F) to Area (A) or P = F/A. The SI unit of…

Overview: Metals are those elements (except hydrogen) that form electropositive ions by losing their valence electrons. Minerals are those naturally occurring chemical substances containing metals in some amount. Ores are those minerals from which metals can be extracted profitably and conveniently. This is a solved question and answers exercise of class 10 from the metals…

Overview: Acids are those inorganic substances that give hydrogen ions when dissolved in aqueous solution. Bases are the metallic oxides or hydroxides. Salts are those neutral substances formed by the partial or complete replacement of hydrogen of acids by the metals of bases. Acids are sour to taste and Bases are bitter to taste. This…

Group A 1. What is environmental pollution?Answer: Environmental pollution is an extreme condition where the environmental aspects lose their natural composition. 2. Mention any two adverse effects of environmental pollution.Answer: Any two adverse effects of environmental pollution are: It invites climate change. It increase global warming. 3. What is air pollution?Answer: The mixing of unwanted chemicals in…

Group A 1. What is heredity?Answer: Heredity is the transfer of parental characteristics to the offsprings. 2. What is meant by gene? Write down its function.Answer: Gene is defined as the tiny unit of heredity present in the chromosome. Its function is to transmit the parental characteristics to the offsprings. 3. Where are genes located?Answer:…

Group A 1. What is reproduction?Answer: Reproduction is a biological process of giving birth to off springs. 2. Why do living beings reproduce?Answer: Living beings reproduce to give continuity to their generation. 3. What is asexual reproduction?Answer: Asexual reproduction is defined as the reproduction carried out without the fusion of male and female gametes. 4.…

Group A 1. What is a chromosome?Answer: A chromosome is a microscopic substances that is contained in the nucleus of a cell and acts as a vehicles of heredity. 2. Where is chromosome found?Answer: Chromosome is found in the nucleus of a cell. 3. What is chromosome made up of?Answer; Chromosome is made up of…

Group A 1. What is blood circulatory system?Answer: Blood circulatory system is the join combination of heart, blood and blood vessels that transport various substances in the human body. 2. What is blood?Answer: Blood is a red-colorred connective tissue consisting of blood cells and plasma. 3. What are the components of blood?Answer: The components of…