Master Class Digital Learning Academy

Human Brain: An Amazing Real Machine Brain is one the most important parts of human body. In fact, brain is the most complex organ found in human body. Through motor neurons it controls all the important functions and actions that our body performs 24 hours a day. This is why brain is called the Central Processing Unit (CPU) of human body. Like a computer can't perform any task without CPU , so does our body can't perform any action without brain.  Human brain is an amazing organ that works quite differently as compared to brains of other species. Our brain has exceptional capabilities of abstract reasoning, logic and language detection. To know more about these amazing capabilities which our brain possesses, let us read the following given facts. Structure and Anatomy of Human Brain  1. Weight and Size: The average adult human brain weighs about 1.4 kilograms (3 pounds) and makes up about 2% of the body's weight. Brain of the Blue Whales weighs about 7 kg. Whereas, an ele...

Cell Division (Mitosis & Meiosis) in Biology   1. What is the primary role of cell growth in living organisms?    a) Energy production    b) Structural support    c) Waste elimination    d) Communication 2. Which cellular process is essential for the repair of damaged tissues in multicellular organisms?    a) Photosynthesis    b) Respiration    c) Mitosis    d) Transcription 3. In cellular reproduction, what is the function of DNA replication?    a) Energy synthesis    b) Genetic diversity    c) Chromosome duplication    d) Protein synthesis 4. What is the significance of cellular reproduction in the growth of an organism?    a) Increases cell size    b) Maintains homeostasis    c) Produces specialized cells    d) Increases the number of cells  5. Which cellular process is crucial for the transmission of genetic i...

 Man & His Environment in Biology 1. What is the primary source of energy for most ecosystems?    a) Wind    b) Sunlight    c) Geothermal heat    d) Fossil fuels 2. Which gas is essential for photosynthesis and is released during respiration?     a) Oxygen    b) Nitrogen    c) Carbon dioxide    d) Hydrogen 3. What is the main function of decomposers in an ecosystem?    a) Produce oxygen    b) Break down dead organic matter    c) Conduct photosynthesis    d) Provide nutrients to plants    4. What is the term for the process by which water vapor is released from the leaves of plants?    a) Transpiration    b) Condensation    c) Evaporation    d) Precipitation 5. Which level of ecological organization includes all living organisms in a particular area?    a) Population    b) Community   ...

Body & Support Movement in Biology   1. What is the primary function of the skeletal system in the human body?    a. Transportation    b. Support and Protection    c. Digestion    d. Respiration 2. Which type of muscle is under involuntary control and is found in the walls of internal organs?    a. Skeletal muscle    b. Smooth muscle    c. Cardiac muscle    d. Striated muscle 3. What is the purpose of synovial fluid in joints?    a. Provides nutrients to bones b. Lubricates and reduces friction in joints    c. Facilitates muscle contraction    d. Aids in blood clotting 4. Which structure connects muscles to bones?    a. Tendon    b. Ligament    c. Cartilage    d. Synovium 5. What is the role of the nervous system in movement control?    a. Providing structural support    b. Regulating body temperature  ...