CH 1: Inorganic compounds
57 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What distinguishes inorganic compounds from organic compounds?

  • Their complex chemical structures
  • Their ability to support life
  • Their simple chemical structures that lack carbon-hydrogen bonds (correct)
  • Their abundance in the environment

    • Which of the following is an example of an inorganic compound?

  • Sodium Chloride (NaCl) (correct)
  • Ethanol (C2H5OH)
  • Glucose (C6H12O6)
  • Methane (CH4)

    • Which of the following is not a biological or ecological function of water?

  • Temperature regulation
  • Transpiration
  • Photosynthesis (correct)
  • Structural support

    • How does water help organisms maintain a stable internal temperature?

    <p>By absorbing and releasing heat slowly</p> Signup and view all the answers

    In which way does water provide structural integrity in plants?

    <p>By providing turgor pressure</p> Signup and view all the answers

    Which animals utilize water to form a hydrostatic skeleton?

    <p>Jellyfish</p> Signup and view all the answers

    What percentage of the Earth's surface is covered by water?

    <p>71%</p> Signup and view all the answers

    What percentage of the human body is made up of water?

    <p>60-70%</p> Signup and view all the answers

    How do plants cool themselves?

    <p>Through transpiration</p> Signup and view all the answers

    What is the chemical formula for water?

    <p>H2O</p> Signup and view all the answers

    What is the primary role of water in the transport of nutrients and waste products in living organisms?

    <p>It dissolves substances, facilitating their movement</p> Signup and view all the answers

    Which of the following is NOT a function of water in living organisms?

    <p>Structural support in cell membranes</p> Signup and view all the answers

    What is the primary role of macro-elements such as calcium, potassium, and sodium in humans and animals?

    <p>They are crucial for structural integrity, fluid balance, and nerve transmission</p> Signup and view all the answers

    Which of the following is NOT a micro-element required by living organisms?

    <p>Calcium</p> Signup and view all the answers

    What is the primary role of macro-nutrients like nitrogen, phosphorus, and potassium in plants?

    <p>They are vital for growth and metabolic functions such as photosynthesis and enzyme activation</p> Signup and view all the answers

    Which of the following is NOT a micro-nutrient required by plants?

    <p>Nitrogen</p> Signup and view all the answers

    What is the primary environmental issue caused by the overuse of inorganic fertilisers?

    <p>Eutrophication</p> Signup and view all the answers

    What is the process called where nutrient runoff causes excessive growth of aquatic plants and algae?

    <p>Eutrophication</p> Signup and view all the answers

    Which of the following is NOT a recommended practice to mitigate the negative impacts of fertiliser overuse?

    <p>Increasing the use of synthetic fertilisers</p> Signup and view all the answers

    What is the primary function of minerals in living organisms?

    <p>They are required to perform critical metabolic functions</p> Signup and view all the answers

    What makes water a universal solvent and crucial for cellular biochemistry?

    <p>Its participation in hydrolysis and photosynthesis reactions</p> Signup and view all the answers

    Which mineral is essential for oxygen transport in humans and is classified as a micro-element?

    <p>Iodine</p> Signup and view all the answers

    How do micro-nutrients like iron and manganese contribute to plant health?

    <p>By facilitating chlorophyll production and metabolic reactions</p> Signup and view all the answers

    What is the primary risk associated with the overuse of inorganic fertilisers in agriculture?

    <p>Hypoxic conditions due to excess aquatic plant growth</p> Signup and view all the answers

    Which of the following is a macro-nutrient crucial for enzyme activation and growth in plants?

    <p>Phosphorus</p> Signup and view all the answers

    In what way does water directly contribute to the digestion process within the body?

    <p>By participating in hydrolysis reactions</p> Signup and view all the answers

    Why are micro-elements like iron and zinc considered essential despite being needed in smaller quantities?

    <p>For critical functions like oxygen transport and hormone production</p> Signup and view all the answers

    Which of the following is NOT a unique property of water that supports biological and ecological functions?

    <p>Water's ability to dissolve a wide range of substances</p> Signup and view all the answers

    Which of the following is NOT a way organisms maintain a stable internal temperature with the help of water?

    <p>Water providing turgor pressure in plants</p> Signup and view all the answers

    Which of the following is NOT an inorganic compound?

    <p>Glucose (C6H12O6)</p> Signup and view all the answers

    Which of the following is NOT a role of inorganic compounds in biological and ecological functions?

    <p>Inorganic compounds play a role in photosynthesis</p> Signup and view all the answers

    Which of the following is NOT a way water provides structural integrity in living organisms?

    <p>Water acting as a lubricant in joints</p> Signup and view all the answers

    Which of the following is NOT a reason why water covers about 71% of the Earth's surface?

    <p>Water's boiling point is lower than most other liquids</p> Signup and view all the answers

    Which of the following is NOT a common use of inorganic compounds in everyday life?

    <p>Plastics</p> Signup and view all the answers

    Which of the following is NOT a reason why water is vital for all known forms of life?

    <p>Water's ability to form a hydrostatic skeleton</p> Signup and view all the answers

    Which of the following is NOT a way water helps in the maintenance of life?

    <p>Water's role in providing energy to cells</p> Signup and view all the answers

    Which of the following is NOT a reason why water is essential for plants?

    <p>Water's role in providing energy to cells</p> Signup and view all the answers

    Which of the following minerals is essential for thyroid hormone production in humans and is classified as a micro-element?

    <p>Iodine</p> Signup and view all the answers

    Which of the following micro-elements required by plants is essential for the production of chlorophyll?

    <p>Iron</p> Signup and view all the answers

    Which of the following is not a recommended practice to mitigate the negative impacts of fertiliser overuse on the environment?

    <p>Increasing the frequency of fertiliser application</p> Signup and view all the answers

    Which of the following is not a way water participates directly in chemical reactions in living organisms?

    <p>Osmosis</p> Signup and view all the answers

    Which of the following is not a macro-element in humans and animals crucial for structural integrity, fluid balance, and nerve transmission?

    <p>Magnesium</p> Signup and view all the answers

    Which of the following is not a way water helps in the maintenance of life for aquatic organisms?

    <p>Providing chemical stability</p> Signup and view all the answers

    Which of the following is not a reason why water is considered a universal solvent?

    <p>Its high melting point</p> Signup and view all the answers

    Which of the following is not a macro-nutrient crucial for plant growth and metabolic functions such as photosynthesis and enzyme activation?

    <p>Iron</p> Signup and view all the answers

    Which of the following is not a way water provides structural integrity in living organisms?

    <p>Being a component of nuclear envelopes</p> Signup and view all the answers

    Which of the following is not a biological or ecological function of water in plants?

    <p>Contributing to protein synthesis</p> Signup and view all the answers

    Which of the following inorganic compounds plays a critical role in maintaining the structural integrity of both plants and animals?

    <p>Water (H2O)</p> Signup and view all the answers

    Which property of water allows it to absorb and release heat slowly, helping organisms maintain a stable internal temperature?

    <p>High heat capacity</p> Signup and view all the answers

    Which micro-element is essential for oxygen transport in humans and contributes to the color of blood?

    <p>Iron (Fe)</p> Signup and view all the answers

    Which inorganic compound is a primary component of plant cell walls, providing strength and rigidity?

    <p>Silicon dioxide (SiO2)</p> Signup and view all the answers

    Which micro-element is involved in photosynthesis and assists in the formation of chlorophyll in plants?

    <p>Manganese (Mn)</p> Signup and view all the answers

    Which of the following inorganic compounds is known for its ability to cause acid rain and its role in ocean acidification?

    <p>Sulfur dioxide (SO2)</p> Signup and view all the answers

    Which of the following macro-elements is responsible for nerve transmission and muscle contraction in humans and animals?

    <p>Calcium (Ca)</p> Signup and view all the answers

    Which of the following inorganic compounds plays a critical role in the formation of bones and teeth in humans and animals?

    <p>Phosphorus (P)</p> Signup and view all the answers

    Which of the following micro-elements is essential for human growth and development, and helps maintain the health of the nervous system?

    <p>Zinc (Zn)</p> Signup and view all the answers

    Which of the following inorganic compounds is responsible for the formation of precipitation and the water cycle in the environment?

    <p>Water vapor (H2O)</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser