Biology Quiz for Class 7 with Answers
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Biology Quiz for Class 7 with Answers on food components:
- Q: What are the three main components of food? A: Carbohydrates, proteins, and fats.
- Q: What is the primary function of carbohydrates in the body? A: Providing energy.
- Q: What are proteins made up of? A: Amino acids.
- Q: Which food component is essential for growth and repair of body tissues? A: Proteins.
- Q: What are the two types of dietary fiber? A: Soluble fiber and insoluble fiber.
- Q: What is the main function of dietary fiber? A: Promoting healthy digestion and preventing constipation.
- Q: Which food component provides the highest amount of energy per gram? A: Fats.
- Q: What are the two types of fats? A: Saturated fats and unsaturated fats.
- Q: What is the function of fats in the body? A: Providing energy, insulation, and protection to organs.
- Q: What are vitamins? A: Organic compounds required in small amounts for various metabolic processes.
- Q: What is the primary source of vitamin D? A: Sunlight.
- Q: What is the function of vitamin C in the body? A: It helps in the formation of collagen and boosts the immune system.
- Q: What is the main function of minerals in the body? A: Regulating body processes and maintaining overall health.
- Q: Which mineral is essential for strong bones and teeth? A: Calcium.
- Q: What are antioxidants? A: Substances that protect the body from damage caused by free radicals.
- Q: Which food component provides quick energy? A: Carbohydrates.
- Q: What are simple carbohydrates? A: Sugars such as glucose and fructose.
- Q: What are complex carbohydrates? A: Starches and fibers found in grains, legumes, and vegetables.
- Q: What is the main function of dietary proteins? A: Building and repairing tissues, producing enzymes and hormones.
- Q: Which food components are known as macronutrients? A: Carbohydrates, proteins, and fats.
- Q: What are micronutrients? A: Nutrients required in small amounts, including vitamins and minerals.
- Q: What is the role of water in the body? A: Maintaining hydration, regulating body temperature, and facilitating metabolic processes.
- Q: What are the major sources of dietary iron? A: Red meat, spinach, and legumes.
- Q: What is the main function of vitamin A? A: It is important for vision, immune function, and cell growth.
- Q: Which food component helps in the absorption of fat-soluble vitamins? A: Dietary fats.
- Q: What is the function of phosphorus in the body? A: It is necessary for bone health and energy metabolism.
- Q: What is the main function of vitamin B12? A: It is essential for the formation of red blood cells and maintaining a healthy nervous system.
- Q: What are probiotics? A: Live bacteria that are beneficial for gut health and digestion.
- Q: What are the major sources of vitamin E? A: Nuts, seeds, and vegetable oils.
- Q: What are the functions of sodium in the body? A: Maintaining fluid balance, nerve function, and muscle contraction.
Biology Quiz for Class 7 with Answers(Additional)
What is the process by which plants make their own food called? – The process is called photosynthesis.
What are the tiny openings on the leaves of a plant called? – The tiny openings are called stomata.
What is the pigment that gives leaves their green color called? – The pigment is called chlorophyll.
What is the function of the roots in a plant? – The function of the roots is to anchor the plant and absorb water and nutrients from the soil.
What is the name of the gas that is produced during respiration? – The gas is called carbon dioxide.
What is the name of the process by which organisms exchange gases with their environment? – The process is called respiration.
What is the name of the process by which living organisms produce offspring? – The process is called reproduction.
What is the name of the substance that carries oxygen in the blood? – The substance is called hemoglobin.
What is the name of the process by which plants and animals release waste? – The process is called excretion.
What is the name of the structure that allows birds to fly? – The structure is called wings.
What is the name of the body system that protects the body from disease? – The system is called the immune system.
What is the name of the pigment that gives skin its color? – The pigment is called melanin.
What is the name of the body system that controls and coordinates body functions? – The system is called the nervous system.
What is the name of the organ that pumps blood throughout the body? – The organ is called the heart.
What is the name of the organ that filters waste from the blood? – The organ is called the kidney.
What is the name of the body system that breaks down food for energy? – The system is called the digestive system.
What is the name of the process by which plants and animals use oxygen to release energy from food? – The process is called cellular respiration.
What is the name of the cell organelle that produces energy for the cell? – The organelle is called the mitochondria.
What is the name of the substance that carries genetic information in cells? – The substance is called DNA.
What is the name of the body system that helps the body move and support itself? – The system is called the skeletal system.
What is the name of the process by which plants grow towards the light? – The process is called phototropism.
What is the name of the organ that helps humans breathe? – The organ is called the lungs.
What is the name of the process by which plants produce seeds? – The process is called pollination.
What is the name of the body system that regulates hormones? – The system is called the endocrine system.
What is the name of the body system that takes in oxygen and removes carbon dioxide? – The system is called the respiratory system.
What is the name of the body system that transports nutrients and oxygen to the body’s cells? – The system is called the circulatory system.
What is the name of the process by which organisms convert food into usable energy? – The process is called metabolism.
What is the name of the process by which organisms break down dead organisms and waste? – The process is called decomposition.
What is the name of the process by which living organisms respond to changes in their environment? – The process is called adaptation.
What is the name of the structure that holds DNA in a cell? – The structure is called the nucleus.
What is the name of the system that is responsible for movement in the body? – The system is called the muscular system.
What is the name of the process by which plants reproduce asexually? – The process is called vegetative propagation.
What is the name of the process by which animals change their appearance to blend in with their environment? – The process is called camouflage.
What is the name of the process by which energy is transferred from one organism to another in a food chain? – The process is called energy transfer.
What is the name of the structure that supports the plant and transports water and nutrients? – The structure is called the stem.
What is the name of the cell organelle that packages and distributes proteins in the cell? – The organelle is called the Golgi apparatus.
What is the name of the process by which organisms reproduce by dividing into two identical cells? – The process is called mitosis.
What is the name of the body system that controls growth and development? – The system is called the endocrine system.
What is the name of the process by which organisms convert nitrogen gas into usable forms of nitrogen? – The process is called nitrogen fixation.
What is the name of the system that is responsible for filtering and removing waste from the blood? – The system is called the urinary system.
What is the name of the body system that produces and secretes hormones? – The system is called the endocrine system.
What is the name of the process by which cells reproduce sexually? – The process is called meiosis.
What is the name of the structure that carries water and nutrients from the roots to the leaves of a plant? – The structure is called the xylem.
What is the name of the process by which animals change their behavior to survive in their environment? – The process is called adaptation.
What is the name of the body system that protects the body from physical damage and infection? – The system is called the integumentary system.
What is the name of the process by which a caterpillar transforms into a butterfly? – The process is called metamorphosis.
What is the name of the body system that produces and delivers sperm and eggs for reproduction? – The system is called the reproductive system.
What is the name of the process by which organisms use sunlight to produce food? – The process is called photosynthesis.
What is the name of the body system that regulates and maintains the body’s internal environment? – The system is called the homeostatic system.
What is the name of the process by which organisms break down glucose to produce energy without oxygen? – The process is called fermentation.
Biology Important One Liners(Explanation)-Biology Quiz for Class 7 with Answers
The muscular system allows for movement in the body through the contraction and relaxation of muscles.
Vegetative propagation is a form of asexual reproduction in plants where new individuals grow from existing plant parts.
Camouflage is the adaptation of an organism’s appearance to blend in with its surroundings for protection from predators.
Energy transfer is the movement of energy from one organism to another through the food chain.
The stem supports the plant and transports water and nutrients from the roots to the leaves.
The Golgi apparatus packages and distributes proteins to different parts of the cell or to be secreted out of the cell.
Mitosis is the process of cell division where one cell splits into two identical daughter cells.
The endocrine system produces and releases hormones that regulate growth, development, and other bodily functions.
Nitrogen fixation is the conversion of nitrogen gas into ammonia or other usable forms of nitrogen by certain bacteria.
The urinary system filters waste from the blood and eliminates it from the body through urine.
The endocrine system produces hormones that regulate bodily functions such as metabolism, growth, and reproduction.
Meiosis is the process of cell division that produces four genetically diverse daughter cells with half the number of chromosomes as the parent cell.
The xylem is a vascular tissue that carries water and nutrients from the roots to the leaves of a plant.
Adaptation is the process by which animals change their behavior, physiology, or anatomy to survive in their environment.
The integumentary system is responsible for protecting the body from physical damage and infections through the skin, hair, and nails.
Metamorphosis is the process of complete transformation of an organism, such as a caterpillar to a butterfly.
The reproductive system produces and delivers sperm and eggs for fertilization and reproduction.
Photosynthesis is the process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen.
The homeostatic system maintains the body’s internal environment by regulating bodily functions such as temperature and pH.
Fermentation is the process by which organisms break down glucose to produce energy without the use of oxygen.
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