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

 Class 10 English – Half Yearly Assessment 2026–27 Complete Answer Key Section A – Reading Skill Question 1 (i) Answer: (b) It triggers a chain reaction that destabilizes the system. (ii) Answer: (c) To highlight a practical, health-related benefit of biodiversity. (iii) Answer: (c) It threatens global food security and increases food costs. (iv) Answer: (a) Moving from fixing damage after it happens to actively preventing and rebuilding ecosystems. (v) Answer: (b) Intricate (vi) Any two: - Deforestation - Industrial pollution - Urban expansion (vii) Wetlands filter pollutants from water systems and help reduce the impact of floods. (viii) A carbon sink is something, such as a forest, that absorbs and stores carbon dioxide and other greenhouse gases from the atmosphere. (ix) Ecotourism is considered more valuable because it provides long-term economic benefits while conserving nature, whereas extracting natural resources can damage ecosystems and exhaust resources. (x) Suitable tit...

 Class 6 English – Half Yearly Assessment September 2026 Complete Answer Key Section A – Objective Questions Class - 6 English Half Yearly Answer Key Class - 7 English Half Yearly Answer Key Class 10 English Half Yearly Answer Key Q. No. Answer 1 (c) Hard work and plantation 2 False 3 (c) He wanted to sing 4 (b) had entered 5 (c) A small piece of food 6 (c) because 7 (c) Gajraj was happy and liked royal comforts. 8 (b) Is she reading a novel? 9 (c) It was invisible. 10 (c) Ram’s coat and Mohan’s pen. 11 True 12 Neem powder is used in rice fields as a natural pesticide/insect repellent to protect crops from pests. 13 She does not like milk. 14 True 15 Mahipati Section B – Very Short Answer Questions 16. Write any two qualities of true friendship based on The Unlikely Best Friends. Answer:- Two qualities of true friendship are care and loyalty. A true friend stays with us, helps us in difficulty and cares about our happiness. The friendship between Gaj...

Class 7 English – Half Yearly Assessment 2026 Complete Answer Key  Section A – Objective Questions Class - 6 Half Yearly English Answer Key Class - 7 Half Yearly English Answer Key Class - 10 Half Yearly English Answer Key 1. In “The Tiny Teacher,” what is the main function of the worker ants? Answer: (c) To carry out various duties for the colony 2. In “Bringing Up Kari,” why was Kari taken to the river every morning? Answer: (b) To bathe and enjoy the water 3. What was the ‘kreech’ sound coming from the window? Answer: (b) Sound of violin — it was Lalli learning to play the violin. EDUREV.IN 4. In “Gopal and the Hilsa-Fish,” what did Gopal prove through his unusual appearance? Answer: (b) That he could make people forget about hilsa 5. Change into indirect speech: “She said, ‘I am feeling tired.’” Answer: (b) She said that she was feeling tired. 6. Why is the squirrel's tail described as a question mark? Answer: (c) Because it is curved upwards Scribd 7. According to “Three Quest...

 Chapter 6: Materials Around Us Worksheet  A. Multiple Choice Questions  1. Which of the following is a material? (a) Chair (b) Wood ✅ (c) Table (d) Bottle   2. The method of arranging objects into groups based on common properties is called: (a) Measurement (b) Classification ✅ (c) Observation (d) Separation   3. Which of the following has a lustrous surface? (a) Wood (b) Paper (c) Copper ✅ (d) Rubber   4. Which material is generally soft? (a) Iron (b) Stone (c) Sponge ✅ (d) Steel   5. A material through which objects can be seen clearly is called: (a) Opaque (b) Translucent (c) Transparent ✅ (d) Lustrous   6. Which of the following is translucent? (a) Wooden door (b) Butter paper ✅ (c) Clear glass (d) Iron sheet   7. Which of the following is opaque? (a) Air (b) Clear glass (c) Water (d) Wood ✅   8. Which of the following dissolves completely in water? (a) Sand (b) Sawdust (c) Sugar ✅ (d) Chalk powder...

 Chapter 6: Materials Around Us 1. Materials Around Us Everything around us is made up of materials such as paper, wood, cloth, glass, metal, plastic and clay. A material is any substance used to make an object. One object may be made from one or more materials. The same material can be used to make different objects.      Examples: - Notebook → paper - Tumbler → glass/plastic/metal - Pen → plastic, metal and ink 2. Classification of Materials:-  Classification means arranging objects or materials into groups based on their common properties. Materials can be grouped according to: - Colour - Shape - Hardness - Softness - Lustre - Appearance - Transparency - Solubility - Other properties      Why do we classify materials?  Classification helps us: Organise objects. Compare materials. Study their properties. Choose suitable materials for particular uses. 3. Properties of Materials A. Lustrous and Non-lustrous Lustrous Materials having a shiny s...

 Chapter 5: Measurement of Length and Motion Worksheet   Section A – Multiple Choice Questions 1. What is the SI unit of length? (a) Centimetre (b) Metre (c) Kilometre (d) Millimetre   Answer: (b) Metre 2. Which of the following is not a standard unit of length? (a) Metre (b) Centimetre (c) Handspan (d) Kilometre   Answer: (c) Handspan 3. 1 metre is equal to: (a) 10 cm (b) 100 cm (c) 1000 cm (d) 50 cm   Answer: (b) 100 cm 4. 1 centimetre is equal to: (a) 10 mm (b) 100 mm (c) 1 mm (d) 1000 mm   Answer: (a) 10 mm 5. Which unit is most suitable for measuring the distance between two cities? (a) Millimetre (b) Centimetre (c) Metre (d) Kilometre   Answer: (d) Kilometre 6. Which instrument is most suitable for measuring the girth of a tree? (a) 15-cm ruler (b) Flexible measuring tape (c) Metre scale only (d) Handspan   Answer: (b) Flexible measuring tape 7. While measuring an object with a scale, the eye should be: (a) Far ...

  Chapter 5: Measurement of Length and Motion 1. Measurement of Length:- Measurement means finding the size or amount of something by comparing it with a standard unit. In earlier times, people used body parts such as: Handspan (balisht) Finger width Foot Arm length Stride However, these measurements are not reliable because body parts differ in size from person to person. Therefore, standard units are needed.      2. Unit of Measurement:- A measurement has two parts: 1. A number 2. A unit For example, 13 cm means 13 is the number and centimetre (cm) is the unit.      3. Standard Units:- The internationally accepted system of units is called the International System of Units (SI). The SI unit of length is metre (m).      Important units of length Unit Symbol Relation Kilometre km 1 km = 1000 m Metre m 1 m = 100 cm Centimetre cm 1 cm = 10 mm Millimetre mm 1 mm = 0.1 cm Thus: 1 km = 1000 m 1 m = 100 cm 1 cm = 10 mm...