Grade 11 Knowledge Check

What is the quadratic formula?

• x = (b ± 2√(b² - 4ac)) / a

• x = (-b ± √(b² - 4ac)) / (2a)

• x = (-b ± 4√(b² - ac)) / (2a)

• x = (b ± √(b² + 4ac)) / (2a)

Explain the significance of the Treaty of Versailles.

• It primarily focused on economic cooperation between countries.

• The treaty was signed in 1945 after World War II.

• It was a treaty that established the United Nations.

• The Treaty of Versailles is significant for ending World War I and shaping the geopolitical landscape of the 20th century, but its punitive measures against Germany contributed to future conflicts.

What are the three laws of motion proposed by Newton?

• 1. An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force. 2. F = ma (Force equals mass times acceleration). 3. For every action, there is an equal and opposite reaction.

• For every action, there is a greater action that cancels it out.

• Force equals velocity divided by time.

• An object in motion will eventually come to a stop without any external force.

Define the term 'photosynthesis'.

• Photosynthesis is the method by which plants absorb water from the soil.

• Photosynthesis is the process of respiration in animals.

• Photosynthesis is the process by which green plants and some organisms convert light energy into chemical energy.

• Photosynthesis occurs only in the dark.

What is the Pythagorean theorem?

• In a right triangle, a² + b² = c².

• In a right triangle, a + b = c.

• In any triangle, a² + b² = c².

• In a right triangle, a² - b² = c².

Describe the process of cellular respiration.

• Cellular respiration only occurs in plants during photosynthesis.

• Cellular respiration is the process of converting glucose and oxygen into energy (ATP), carbon dioxide, and water through Glycolysis, the Krebs Cycle, and the Electron Transport Chain.

• The process involves converting carbon dioxide and water into glucose and oxygen.

• Cellular respiration is the breakdown of proteins into amino acids for energy.

What is the main theme of Shakespeare's 'Macbeth'?

• Ambition and its consequences.

• The supernatural and fate.

• Friendship and loyalty.

• Love and betrayal.

Identify the components of a cell.

• Cell wall, vacuole, chlorophyll, plasmodesmata

• Cell membrane, cytoplasm, nucleus, mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, chloroplasts (in plant cells)

• Nucleolus, vesicles, cilia, chromatin

• Cytoskeleton, peroxisomes, centrioles, flagella

What is the difference between mitosis and meiosis?

• Mitosis produces two identical cells; meiosis produces four genetically diverse gametes.

• Mitosis occurs only in plant cells; meiosis occurs in animal cells.

• Mitosis results in cell division without genetic variation; meiosis results in identical cells.

• Mitosis produces four identical cells; meiosis produces two genetically identical gametes.

Explain the concept of supply and demand in economics.

• Supply and demand are irrelevant in a free market.

• Supply and demand are the forces that drive the market, determining prices and quantities of goods and services.

• Supply refers only to the quantity of goods available.

• Demand is solely based on consumer preferences without any external factors.