Part-I (MCQs)
Q1
(i) The smallest unit of life in all living organisms is:
A) An organ
B) A molecule
C) A cell
D) An atom
(ii) Which of the following is NOT a greenhouse gas?
A) Methane
B) Nitrogen
C) Carbon dioxide
D) Ozone
(iii) What type of energy is produced by vibrating objects?
A) Thermal energy
B) Sound energy
C) Chemical energy
D) Nuclear energy
(iv) Which vitamin is created in the human body when it is exposed to sunlight?
A) Vitamin A
B) Vitamin B12
C) Vitamin D
D) Vitamin K
(v) What is the primary cause of tsunamis?
A) High winds
B) Underwater earthquakes
C) Moon's gravitational pull
D) Rapid temperature change
(vi) The term 'Biodiversity' refers to:
A) The variety of weather on Earth
B) The different types of biomes
C) The variety of life in the world or in a particular habitat
D) The study of living organisms
(vii) What is the main purpose of the ozone layer?
A) To provide oxygen
B) To absorb greenhouse gases
C) To protect Earth from ultraviolet radiation
D) To regulate the climate
(viii) Which of the following is a renewable source of energy?
A) Coal
B) Oil
C) Natural gas
D) Wind
(ix) What is the main difference between an epidemic and a pandemic?
A) The type of disease
B) The location of the disease spread
C) The severity of the disease
D) The scale of the disease spread
(x) A balanced diet includes adequate amounts of:
A) Only proteins and vitamins
B) Only carbohydrates and minerals
C) Only water and fats
D) Carbohydrates, proteins, fats, vitamins, and minerals
(xi) GPS is an acronym for:
A) General Public Service
B) Global Positioning System
C) Geographical Place Setting
D) Global Postal Service
(xii) The term 'telecommuting' refers to:
A) Traveling long distances for work
B) Working from a location outside the traditional office
C) Communicating via television
D) Long-distance telephone service
(xiii) Quantitative reasoning is important for:
A) Understanding history
B) Solving mathematical problems
C) Learning new languages
D) Writing literature
(xiv) Logical reasoning helps you:
A) Remember facts
B) Solve puzzles
C) Read faster
D) Improve your handwriting
(xv) Mental abilities are measured by tests that assess:
A) Physical strength
B) Creative skills
C) Academic knowledge
D) Cognitive functions like memory and reasoning
(xvi) Acid rain primarily results from the atmospheric presence of:
A) Oxygen and nitrogen
B) Helium and argon
C) Sulfur dioxide and nitrogen oxides
D) Carbon monoxide and carbon dioxide
(xvii) The primary source of energy for the Earth's climate system is:
A) Geothermal energy
B) The Sun
C) Wind energy
D) Ocean currents
(xviii) Which of the following is not considered a macronutrient?
A) Proteins
B) Carbohydrates
C) Vitamins
D) Fats
(xix) What is the main component of the Earth's atmosphere?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Argon
(xx) The 'Big Bang Theory' is a scientific theory about:
A) The origin of Earth
B) The extinction of dinosaurs
C) The evolution of humans
D) The origin of the Universe
A) An organ
B) A molecule
C) A cell
D) An atom
(ii) Which of the following is NOT a greenhouse gas?
A) Methane
B) Nitrogen
C) Carbon dioxide
D) Ozone
(iii) What type of energy is produced by vibrating objects?
A) Thermal energy
B) Sound energy
C) Chemical energy
D) Nuclear energy
(iv) Which vitamin is created in the human body when it is exposed to sunlight?
A) Vitamin A
B) Vitamin B12
C) Vitamin D
D) Vitamin K
(v) What is the primary cause of tsunamis?
A) High winds
B) Underwater earthquakes
C) Moon's gravitational pull
D) Rapid temperature change
(vi) The term 'Biodiversity' refers to:
A) The variety of weather on Earth
B) The different types of biomes
C) The variety of life in the world or in a particular habitat
D) The study of living organisms
(vii) What is the main purpose of the ozone layer?
A) To provide oxygen
B) To absorb greenhouse gases
C) To protect Earth from ultraviolet radiation
D) To regulate the climate
(viii) Which of the following is a renewable source of energy?
A) Coal
B) Oil
C) Natural gas
D) Wind
(ix) What is the main difference between an epidemic and a pandemic?
A) The type of disease
B) The location of the disease spread
C) The severity of the disease
D) The scale of the disease spread
(x) A balanced diet includes adequate amounts of:
A) Only proteins and vitamins
B) Only carbohydrates and minerals
C) Only water and fats
D) Carbohydrates, proteins, fats, vitamins, and minerals
(xi) GPS is an acronym for:
A) General Public Service
B) Global Positioning System
C) Geographical Place Setting
D) Global Postal Service
(xii) The term 'telecommuting' refers to:
A) Traveling long distances for work
B) Working from a location outside the traditional office
C) Communicating via television
D) Long-distance telephone service
(xiii) Quantitative reasoning is important for:
A) Understanding history
B) Solving mathematical problems
C) Learning new languages
D) Writing literature
(xiv) Logical reasoning helps you:
A) Remember facts
B) Solve puzzles
C) Read faster
D) Improve your handwriting
(xv) Mental abilities are measured by tests that assess:
A) Physical strength
B) Creative skills
C) Academic knowledge
D) Cognitive functions like memory and reasoning
(xvi) Acid rain primarily results from the atmospheric presence of:
A) Oxygen and nitrogen
B) Helium and argon
C) Sulfur dioxide and nitrogen oxides
D) Carbon monoxide and carbon dioxide
(xvii) The primary source of energy for the Earth's climate system is:
A) Geothermal energy
B) The Sun
C) Wind energy
D) Ocean currents
(xviii) Which of the following is not considered a macronutrient?
A) Proteins
B) Carbohydrates
C) Vitamins
D) Fats
(xix) What is the main component of the Earth's atmosphere?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Argon
(xx) The 'Big Bang Theory' is a scientific theory about:
A) The origin of Earth
B) The extinction of dinosaurs
C) The evolution of humans
D) The origin of the Universe
2024 Guide Turn Your Apartment into a Compact Gym
- Answer any FOUR questions, selecting 2 questions from each section.
- Ensure your answers are well-structured and clear.
- Illustrations and examples may be used to clarify your explanations where necessary.
Q.2.
(a) Differentiate between asteroids and comets. Discuss the significance of the asteroid belt. (4)
(b) Explain the phenomenon of the Greenhouse Effect. How does it contribute to global warming? (4)
(c) Define renewable energy. Discuss the pros and cons of two different types of renewable energy sources. (4)
(d) Describe the concept of an ecosystem. How do biotic and abiotic factors interact in a freshwater ecosystem? (4)
(e) What is plate tectonics? Explain how plate movements can cause earthquakes. (4)
Q.3.
(a) Discuss the structure and function of enzymes. How do they assist in metabolism? (4)
(b) Compare and contrast the circulatory system of fish with that of mammals. (4)
(c) Define genetic mutation. What role do mutations play in evolution? (4)
(d) Explain the importance of vaccination. How do vaccines work biologically? (4)
(e) What are stem cells? Discuss their potential use in medicine. (4)
Q.4.
(a) Discuss the significance of water as a solvent in biological systems. (4)
(b) Explain the concept of a balanced diet. What are the consequences of vitamin deficiencies? (4)
(c) Define biodiversity. How does deforestation affect biodiversity? (4)
(d) What is the role of fiber in the human diet? Discuss the health implications of fiber deficiency. (4)
(e) How does the human body regulate temperature? Describe the processes involved. (4)
Q.5.
(a) What is artificial intelligence (AI)? Discuss the potential ethical implications of AI. (4)
(b) Define the term 'bandwidth' in the context of internet connectivity. How does bandwidth affect internet performance? (4)
(c) Discuss the evolution of personal computers. How have they impacted modern society? (4)
(d) What are the potential dangers of social media on mental health? (4)
(e) Explain the term 'Big Data'. What are the challenges and advantages of Big Data analysis? (4)
Part-II (Descriptive)
- Answer any FOUR questions, selecting 2 questions from each section.
- Ensure your answers are well-structured and clear.
- Illustrations and examples may be used to clarify your explanations where necessary.
SECTION - A
Q.2.
(a) Differentiate between asteroids and comets. Discuss the significance of the asteroid belt. (4)
(b) Explain the phenomenon of the Greenhouse Effect. How does it contribute to global warming? (4)
(c) Define renewable energy. Discuss the pros and cons of two different types of renewable energy sources. (4)
(d) Describe the concept of an ecosystem. How do biotic and abiotic factors interact in a freshwater ecosystem? (4)
(e) What is plate tectonics? Explain how plate movements can cause earthquakes. (4)
Q.3.
(a) Discuss the structure and function of enzymes. How do they assist in metabolism? (4)
(b) Compare and contrast the circulatory system of fish with that of mammals. (4)
(c) Define genetic mutation. What role do mutations play in evolution? (4)
(d) Explain the importance of vaccination. How do vaccines work biologically? (4)
(e) What are stem cells? Discuss their potential use in medicine. (4)
Q.4.
(a) Discuss the significance of water as a solvent in biological systems. (4)
(b) Explain the concept of a balanced diet. What are the consequences of vitamin deficiencies? (4)
(c) Define biodiversity. How does deforestation affect biodiversity? (4)
(d) What is the role of fiber in the human diet? Discuss the health implications of fiber deficiency. (4)
(e) How does the human body regulate temperature? Describe the processes involved. (4)
Q.5.
(a) What is artificial intelligence (AI)? Discuss the potential ethical implications of AI. (4)
(b) Define the term 'bandwidth' in the context of internet connectivity. How does bandwidth affect internet performance? (4)
(c) Discuss the evolution of personal computers. How have they impacted modern society? (4)
(d) What are the potential dangers of social media on mental health? (4)
(e) Explain the term 'Big Data'. What are the challenges and advantages of Big Data analysis? (4)
SECTION - B
Q.6.
(a) If the rate of a certain chemical reaction doubles with every 10°C rise in temperature, calculate the reaction rate at 50°C if the rate at 30°C is 0.25 mol L-1 s-1. (4)
(b) Define the term 'acid rain'. What are the environmental impacts of acid rain? (4)
(c) Explain the concept of 'conservation of energy'. Provide an example from daily life. (4)
(d) What is meant by 'ecological footprint'? How can an individual reduce their ecological footprint? (4)
(e) Describe the principle of a simple electric circuit. What is the role of a resistor in a circuit? (4)
Q.7.
(a) Discuss the concept of 'work' in physics. How is it different from the everyday use of the word? (4)
(b) What are the primary colors of light? Explain how they combine to form other colors. (4)
(c) Define 'osmosis'. How is this process essential for plant survival? (4)
(d) What is the Doppler Effect? Provide an example of its occurrence in everyday life. (4)
(e) Explain the term 'vaccine efficacy'. How is it measured during vaccine trials? (4)
Q.8.
(a) If a person walks 3 km east and then 4 km north, calculate the displacement from the starting point. (4)
(b) Discuss Newton's Third Law of Motion with an example from everyday life. (4)
(c) Explain the concept of pH scale. What does it measure and why is it important? (4)
(d) What is thermal expansion? Discuss its effects on infrastructure. (4)
(e) Define 'genetic engineering'. What are some of its applications in agriculture? (4)