Acids, Bases and Salts Class 7th Science Chapter 4 of NCERT Book according to the Latest Syllabus Of JKBOSE and CBSE, NCERT Solutions. I. Fill in the blank spaces by choosing correct words from the list given below: List: bitter, ants, corrosive, citric, soapy, slaked lime. II. Statements given below are incorrect. Write the correct … Read more
NCERT Solutions for Class 7 Science Chapter 3 with Extending and learning, according to the New syllabus of NCERT Books. Exercise NCERT Solutions 1. State similarities and differences between the laboratory thermometer and the clinical thermometer. Similarities: Differences: 2. Give two examples each of conductors and insulators of heat. Conductors of Heat: Insulators of Heat: … Read more
Nutrition in Animals NCERT Solutions containing Each and every Questions from the NCERT Textbook of Science Exercise NCERT Solutions 1. Fill in the blanks: 2. Mark ‘T’ if the statement is true and ‘F’ if it is false: 3. Tick mark (✔) the correct answer in each of the following: 4. Match the items of … Read more
NCERT Solutions for Class 7 Science: Nutrition in Plants Exercise Solutions 1. Why do organisms need to take food? Organisms need to take food to obtain energy for performing various life processes such as growth, repair, and maintenance of the body, as well as to protect themselves from diseases and infections. 2. Distinguish between a … Read more
Nature and Structure Electric charge, like mass and length, is a fundamental property of matter. Atoms, the building blocks of matter, are composed of electrons, protons, and neutrons. Electrons carry a negative charge, protons carry a positive charge, and neutrons are neutral. Atomic Structure In a neutral atom, the number of electrons equals the number … Read more
On Monday, a significant milestone in climate history was reached as Earth experienced its hottest day ever recorded. The global surface air temperatures soared to a staggering 62.87°F (17.15°C), surpassing the previous day’s record of 62.76°F (17.09°C). This alarming rise in temperature is a stark reminder of the ongoing trend of global warming and its … Read more
Coulomb’s Law Coulomb’s Law Coulomb’s Law In 1786, Charles-Augustin de Coulomb deduced the expression for the force between two stationary point charges in a vacuum or free space. Consider two point charges, q1 and q2, at rest in a vacuum and separated by a distance r as shown in Figure 1.2. According to Coulomb, the … Read more
The menstrual or ovarian cycle occurs approximately once every 28–29 days during the reproductive life of females, from menarche (puberty) to menopause, except during pregnancy. The cycle of events starting from one menstrual period until the next one is called the menstrual cycle, during which cyclic changes occur in the endometrium every month. Cyclic menstruation … Read more
Male Reproductive System The male reproductive system consists of: Testes Structure of Testes: Cells in Seminiferous Tubules: Accessory Ducts Glands Semen Composition: Semen is a milky white fluid composed of sperm and seminal plasma, which is secreted by the seminal vesicles, prostate gland, and bulbourethral glands. Semen acts as a transport medium, providing nutrients and … Read more
Introduction Matter is defined as anything that occupies space and has mass. It is everywhere around us, from the air we breathe to the water we drink. The substances we encounter daily can be classified as pure or impure. This chapter focuses on understanding the nature of substances and how to differentiate and separate mixtures … Read more