Multiple Choice Questions on Light and Optics Question 1: Why do birds not cast shadows when they fly at a great height? A) Diameter of the sun is much greater than the size of the bird B) Diameter of the sun is much smaller than the size of the bird C) The bird is transparent …
Multiple Choice Questions on Light and Optics Question 1: Which of the following is not considered matter? A) Light B) Water C) Air D) Rock Question 2: Light is a form of energy made up of: A) Atoms B) Electrons C) Molecules D) Photons Question 3: Which of the following is a man-made source of …
MCQs on Human Body – Part 2 How many types of muscles are there in the human body? Two Three Four Five Which muscles are attached to the skeleton? Cardiac muscles Smooth muscles Voluntary muscles Involuntary muscles Where are cardiac muscles found? In the brain In the heart In the stomach In the lungs What …
MCQs on Human Body MCQs on Human Body How many major organs are mentioned in the human body text? Three Four Five Six How many bones are there in the human body? 206 207 210 208 Which organ is protected by the skull? Heart Lungs Brain Kidneys What is the only bone in the head …
Essential Water Properties – A Must-Know Guide for Grade 9 Chemistry By rajeevvkalra | Category: Science Water plays a crucial role in sustaining life and shaping our planet. Its ability to exist in different forms and its unique thermal and chemical properties make it an important topic for students. In this comprehensive article, we will …
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Comprehensive Discussion on Water 1. What is Density in the Context of Water? Q: What is density? A: Density is defined as the mass per unit volume of a substance, usually expressed in grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³). Q: What is the standard density of water? A: The density …
Class VII – Science Chapter 2: Nutrition in Animals Answer the following questions Give an example of each of the following enzymes and state its function: A) Carbohydrase: Answer: Amylase – It breaks down starch into sugars. B) Proteases: Answer: Pepsin – It breaks down proteins into peptides. C) Lipases: Answer: Lipase – It breaks …
Class VII – Science Chapter 2: Nutrition in Animals VI. Case Study Based Questions The small intestine is a highly coiled structure. It is about 7.5 meters long. It receives secretion from the liver and the pancreas. The liver is a reddish brown gland located in the upper part of the abdomen on the right …
Class VII – Science Chapter 2: Nutrition in Animals I. Fill in the blanks __________ is the process of taking in food by an organism and its digestion, absorption, and utilization in the body. Answer: Ingestion The __________ is a nutrition in which an organism takes in food by feeding upon it and then energy …
Class VII – Science Chapter 1: Nutrition in Plants VIII. Picture Based Questions Identify X and state its function. Answer: X is a stomata. Its function is to allow gas exchange (oxygen and carbon dioxide) and regulate water loss through transpiration. A. Why do we need to keep the plant in dark for 2-3 days? …
