|1.Bio-diversity (acellular life/variety of life)
|1. Introduction to fundamental concepts of chemistry
2. Atomic Structure
|1.Force and Motion 2.Work and Energy||1.Comprehend key
vocabulary2. Demonstrate control of tenses and sentence
This Test Consists Of :
- BIOLOGY: 68 MCQs
- CHEMISTRY: 54 MCQs
- PHYSICS: 54 MCQs
- ENGLISH: 18 MCQs
- L. REASONING: 06 MCQs
- Total MCQs: 200 MCQs
- Total Marks: 200
- Total Time: 210 Minutes
- No negative marking
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What Is Biodiversity?
Biodiversity is the variety of life on Earth. This includes all plants, animals, and microorganisms, as well as the ecosystems they live in. It also includes the genetic variation within these species. Biodiversity helps provide stability to our planet by preserving a wide range of habitats and organisms that can survive changes in their environment or climate. It provides resources for humans (e.g., food, fuel, medicines). It also promotes healthy human populations by making communities more resilient to climate change and natural disasters such as earthquakes or tsunamis.
Biodiversity plays an important role in the balance of life on Earth, but what exactly does it mean? Biodiversity refers to the variety of life within a specific ecosystem, and humans have noticed the significance of biodiversity since at least the 17th century. There are many complex issues surrounding biodiversity, so it’s important to understand what biodiversity means and why it’s important.
All living things need energy to survive. This energy comes from the sun and is used by plants to create food through photosynthesis. Animals then eat plants (or other animals) to get this energy. In order for an ecosystem to function, all parts of the system must be present, which means that plants, animals, and microbes are needed. The variety of organisms in an ecosystem helps keep it healthy because there are different types of organisms to eat different types of nutrients. When one type of organism dies or goes extinct, other organisms have a greater chance of dying as well because they may depend on that organism for food or habitat.
Introduction to fundamental concepts in Chemistry
Stoichiometry is the study of how different elements combine to form molecules. It’s all about balances, so you can’t have two parts hydrogen and one part oxygen in a molecule because that would be unbalanced. When an element appears more than once in a formula, we call it a multiple. A molecule with four hydrogens is called H4O. There are three ways that elements can react: by fusion, by fission, or by synthesis. Fusion occurs when two or more atoms combine together to form a new substance.
Atomic structure describes the makeup of atoms. It helps to answer questions about what materials can be made from these atoms, what those materials are good for, and how the materials react to changes in temperature or pressure. There are two main theories on atomic structure: one by Bohr and another by Rutherford. In Bohr’s theory, electrons orbit around a nucleus at specific distances called energy levels. Electrons only move between energy levels when they absorb or release photons (which are bundles of electromagnetic radiation). The different energy levels determine how much an atom can do in a certain amount of time. When an electron moves up to a higher level, it has more energy and therefore does more things than when it’s at a lower level.
Force and Motion
Force and Motion can be explained by looking at a bicycle. When you are riding a bike, you are using the force of your feet pushing down on the pedals to make your bike move. If you keep pedaling, the rotation of the wheels will make the bike move forward. The point of contact between the pedal and the ground determines how much force you put into making your bike go forward. The more pressure that’s applied to the pedal, the faster your bike will go. The same principle applies when driving a car: when applying more pressure on the gas pedal, it makes your car go faster than if you were pressing lightly on it.
Work and Energy
Energy is the ability to do work. Work, then, is what a person does to make something happen. There are two types of energy: kinetic and potential. Kinetic energy is the form of energy that we feel when we push or pull something; potential energy is the form of energy that we feel when we lift something up. The law of conservation states that no matter how you use energy, there will always be the same amount left over. An example of this law is if you add 2 liters of water to a 5 liter container, there will still be 3 liters left in the container.
- Comprehend key vocabulary
- Demonstrate control of tenses and sentence structure
- Critical thinking