Pathik — CBSE Class 6–12 Notes, Worksheets & MCQ Quizzes

  Chapter 12: Beyond Earth Worksheet  SECTION A:  I. Multiple Choice Questions  Which is the brightest star in the night sky? (i) Pole Star (ii) Sirius (iii) Alpha Centauri (iv) Sun The star that appears almost stationary in the northern night sky is called: (i) Sirius (ii) Betelgeuse (iii) Pole Star (Dhruva Tara) (iv) Rigel A group of stars forming a recognizable shape or pattern in the sky is called a: (i) Galaxy (ii) Solar System (iii) Constellation (iv) Asteroid Belt The constellation Orion is also known by what traditional name in India? (i) Saptarishi (ii) Vyadha (iii) Dhruva (iv) Akash Ganga Which celestial body is known as the "Evening Star" or "Morning Star"? (i) Mars (ii) Jupiter (iii) Venus (iv) Mercury The main source of energy for the Earth and the entire Solar System is: (i) The Moon (ii) The Sun (iii) Pole Star (iv) Jupiter Which of the following is not a planet in our Solar System? (i) Neptune (ii) Pluto (iii) Uranus (iv) Saturn Small rocky bodies ...

  Chapter 11: Nature’s Treasures Worksheet   A. Multiple Choice Questions  1. Which of the following is a natural resource? (a) Plastic (b) Machine (c) Water (d) Computer Answer: (c) Water 2. Which gas is present in the largest amount in air? (a) Oxygen (b) Nitrogen (c) Carbon dioxide (d) Argon Answer: (b) Nitrogen 3. Approximately what percentage of air is oxygen? (a) 78% (b) 50% (c) 21% (d) 1% Answer: (c) 21% 4. Moving air is called: (a) Wind (b) Cloud (c) Vapour (d) Breeze Answer: (a) Wind 5. Which of the following is a source of freshwater? (a) Sea (b) Ocean (c) River (d) Saltwater lake Answer: (c) River 6. Which device uses sunlight to produce electricity? (a) Windmill (b) Solar panel (c) Water pump (d) Bicycle Answer: (b) Solar panel 7. Forests are important because they: (a) Reduce biodiversity (b) Provide habitat to many organisms (c) Produce machines (d) Increase pollution Answer: (b) Provide habitat to many organisms 8. Soil is formed mainly through the: ...

  CHAPTER 10 LIVING CREATURES: EXPLORING THEIR CHARACTERISTICS WORKSHEET A. Multiple Choice Questions  1. Which of the following is a characteristic of living beings? (a) They never grow (b) They respire (c) They never reproduce (d) They do not respond to changes Answer: (b) They respire 2. Which process involves taking in and giving out air? (a) Excretion (b) Reproduction (c) Breathing (d) Growth Answer: (c) Breathing 3. Which part of a plant helps in the exchange of gases? (a) Roots (b) Flowers (c) Stomata (d) Fruits Answer: (c) Stomata 4. Which of the following is an example of a response to a stimulus? (a) A stone remaining still (b) Touch-me-not folding its leaves when touched (c) A book lying on a table (d) A chair remaining in a room Answer: (b) Touch-me-not folding its leaves when touched 5. What is the process by which living organisms produce young ones of their kind? (a) Respiration (b) Reproduction (c) Excretion (d) Germination Answer: (b) Reproduction 6. Whic...