Science

Chemical Reactions and Equations MCQs: CBSE Class 10 Science Chapter 1 Chemical Reactions and Equations Multiple Choice Questions with Answers. MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Chemical Reactions and Equations Multiple Choice Questions with …

School Name: Himalaya Public School, Sector 13, Rohini, Delhi 110085 India Time: 40 Minute Marks: 20 Class: 11th Class Subject: Physics Date: 21/8/2019 NCERT 11th Class CBSE Physics Unit Test 2019 Question: 1. It the units of force and length each are doubled then how many times would the unit of energy be affected? [1] Question: …

NCERT 9th Class CBSE Science Unit Test 2019-20: Himalaya Public Sr Sec School, Rohini, New Delhi School Name: Himalaya Public School, Sector 13, Rohini, Delhi 110085 India Time: 40 minutes Marks: 20 Class: 9th Subject: Science Date: 27/8/2019 Question: 1. Explain the reason when a carpet is beaten with a stick, dust comes out of it. [1] …

10th CBSE Science Pre Board Exam 2020-21 School Name: Himalaya Public School, Sector 13, Rohini, Delhi 110085 India Time: 3 hours Maximum Marks: 80 Class: 10th Date: 18 / 01 / 2021 Subject: Science General Instructions: 10th CBSE Science Pre Board Exam 2020-21 The question paper comprises four sections A, B, C and D. There are 36 questions …

9th Science Mid Term Exam: Question Paper (2019-20) School Name: Himalayan Public School, Sector 13, Rohini, Delhi 110085 India Time: 3 hours Marks: 80 Date: 13/09/2019 Class: IX Subject: Science General Instructions: Section A: 9th Science Mid Term Exam Question: 1. During summer, water kept in earthen pot become cool due to phenomenon …

11th CBSE NCERT Chemistry Mid Term Exam Set B Question Paper (2019-20) Time: 3 Hrs. Marks: 70 Class: 11th Date: 13/09/2019 General Instructions: All questions are compulsory (11th CBSE NCERT Chemistry Mid Term Exam). Q’s 1 to 20 are of 1 mark each. Q’s 21 to 27 are of 2 marks each. Q’s …

Wastewater Story 7th Class NCERT CBSE Science Chapter 18 Question: Wastewater is fit for human consumption or not. Give reason to support your answer. Answer: No, because it is dirty and has many diseases causing organisms like cholera, typhoid etc. Question: Name two chemicals used to disinfect wastewater. Answer: Chlorine and ozone …

Forests: Our Lifeline 7th Class NCERT CBSE Science Chapter 17 Question: List some animals which live in deeper areas of the forest. Answer: Boars, bison, jackals, porcupines, elephants, etc., live in the deeper areas of the forest. Question: Paheli while moving in a forest observed that there was no noise pollution, though …

Water: A Precious Resource 7th Class NCERT CBSE Science Chapter 16 Question: Suggest one traditional way of storing water from ancient time. Answer: In ancient times, people used to make Bawris to store water. Question: What is the source of water in each of the following? Wells Ground Atmosphere Answer: The source …

Light 7th Class NCERT CBSE Science Chapter 15 Question: Briefly mention whether mirror change the direction of light. Answer: Yes, when a ray of light is incident on the mirror surface, then the mirror changes the direction of light. Question: The image formed by a lens is always virtual, erect and smaller …