ENLA Secondary Practice (Peru) · Science and Technology
Science and technology for secondary students
60 practice questions, each with the answer and an explanation.
Practise Science and technology for secondary students now
Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 60 questions
- Which gas do plants absorb from the air for photosynthesis?
- Which organ pumps blood through the human body?
- Which part of the cell contains the genetic material?
- Which of the following is a renewable energy source?
- Which layer of the Earth do we live on?
- What is the unit of electric current?
- Which state of matter has a fixed volume but takes the shape of its container?
- What happens to the volume of a gas when the pressure on it increases at constant temperature?
- Which of the following is a chemical change?
- What is the chemical formula of water?
- Which organelle produces most of the energy of the cell?
- Which group of animals has a backbone?
- What is the main cause of the seasons on Earth?
- What causes a solar eclipse?
- Which instrument measures temperature?
- Which of the following is a good conductor of electricity?
- Which force pulls objects towards the centre of the Earth?
- Which part of a plant absorbs water from the soil?
- What is the process by which plants lose water vapour through their leaves?
- Which vitamin is produced in the skin with sunlight?
- What is the pH of pure water at 25 degrees Celsius?
- Which of these materials is a mixture?
- What is the main gas in the Earth's atmosphere?
- What type of energy does a moving car have?
- What do we call animals that eat only plants?
- What is the role of decomposers in an ecosystem?
- Which of the following is a greenhouse gas?
- Which action best helps to conserve water at home?
- Which natural phenomenon is caused by the movement of tectonic plates?
- Peru lies on the Pacific Ring of Fire. What does this mean?
- Which climatic phenomenon periodically warms the Pacific waters off Peru?
- What do magnets attract?
- Which of the following is a simple machine?
- Which colour of light is bent the most when it passes through a prism?
- Which of the following is a function of the skeleton?
- Which hormone regulates the level of sugar in the blood?
- What is the function of the ozone layer?
- Which of the following is an example of a mixture that can be separated by filtration?
- What is the speed of a car that travels 150 km in 2 hours?
- A student weighs 50 kg and stands on a surface of 0.05 square metres. Which describes how pressure changes if the area doubles?
- Which of the following is NOT a living thing?
- Which technology allows communication over long distances by satellites?
- Which of the following is a use of the Internet in education?
- What does the abbreviation CPU stand for?
- Which of the following is a renewable resource that Peru has in abundance?
- Which of the following protects Peruvian biodiversity?
- What is the main component of natural gas?
- Which of the following is an example of an adaptation of animals in the Andes?
- What is the main function of the xylem in plants?
- Which part of the digestive system absorbs most nutrients?
- Which of the following is an acid found in citrus fruit?
- Which planet is closest to the Sun?
- How many planets are in the Solar System?
- What type of rock is formed when magma cools?
- Which of the following is a metamorphic rock?
- Which gas do humans exhale?
- Which of these processes uses oxygen to release energy from food?
- Which of the following is a sense organ for hearing?
- What is the term for the variety of living things in an area?
- What is the main source of energy for the Earth's climate?