GSAT GSAT Science and Technology 1 — Questions and Answers
Question 1: Which organelle is known as the powerhouse of the cell because it produces ATP through cellular respiration?
- Nucleus
- Ribosome
- Mitochondria (Correct answer)
- Golgi apparatus
Correct answer: Mitochondria
Mitochondria generate ATP via cellular respiration, earning them the nickname 'powerhouse of the cell.'
Question 2: What is the chemical formula for water?
- HO
- H2O (Correct answer)
- H2O2
- OH2
Correct answer: H2O
Water is composed of two hydrogen atoms bonded to one oxygen atom, giving it the formula H2O.
Question 3: Which law of motion states that for every action there is an equal and opposite reaction?
- Newton's First Law
- Newton's Second Law
- Newton's Third Law (Correct answer)
- Law of Gravitation
Correct answer: Newton's Third Law
Newton's Third Law states that forces always come in equal and opposite action-reaction pairs.
Question 4: What type of rock is formed from the cooling and solidification of magma or lava?
- Sedimentary
- Metamorphic
- Igneous (Correct answer)
- Limestone
Correct answer: Igneous
Igneous rocks form when molten magma or lava cools and solidifies, either underground or at the surface.
Question 5: Which planet in our solar system has the most moons?
- Jupiter
- Saturn (Correct answer)
- Uranus
- Neptune
Correct answer: Saturn
Saturn currently holds the record for the most confirmed moons in the solar system, surpassing Jupiter.
Question 6: What is the process by which plants convert sunlight into food?
- Respiration
- Transpiration
- Photosynthesis (Correct answer)
- Fermentation
Correct answer: Photosynthesis
Photosynthesis is the process by which plants use sunlight, water, and CO2 to produce glucose and oxygen.
Which organelle is known as the powerhouse of the cell because it produces ATP through cellular respiration?