CLASS 10 SCIENCE CH 9 some higher Order Thinking Skill and brain twisting questions

Higher Order Thinking and brain twisting question and answers-click for pdf CLASS 10 SCIENCE CH 9 some higher Order Thinking 1. Life does not originate now a days. why? Solution : Due to presence of oxidising atmosphere and the presence of consumers. Oxygen oxidises the intermediate compounds so no life originates on the earth now … Read more

NCERT Solutions for Class 10 Science Chapter 8: How do Organisms Reproduce ?

    # In-text and Questions and Answers- Q 1- What is importance of DNA copying in reproduction? Ans. At the time of DNA replication, two copies of DNA are formed. DNA copying is accompanied by creation of additional cellular apparatus and then DNA copies separate,each with its own cellular apparatus. Thus a cell divides to … Read more

NCERT BOOK CLASS 10 SCIENCE CH 6 Life processes in-text question answers

  # In-text question answers-   Q 1-why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans ? Answer- In multicellular organisms all the cells may not be in direct contact with the surrounding environment.thus,simple diffusion will not meet the requirements of all the cells because diffusion is very slow process. Q … Read more

Class 10 English chapter A triumph of surgery

Class 10 English chapter A triumph of surgery.in this story you will read about a rich lady who has a pet dog Tricki. She makes her dog overweight and restless Class 10 English chapter A triumph of surgery. Class 10 English chapter A triumph of surgery- click to download pdf # Read and find out … Read more

NCERT Solutions for Class 10 Science Chapter 1- Chemical Reactions and Equations

NCERT Solutions for Class 10 Science Chapter 1- Chemical Reactions and Equations NCERT Solutions for Class 10 Science Chapter 1 NCERT Solutions for Class 10 Science (Chemistry) Chapter 1 – Chemical Reactions and Equations in PDF format. The solutions are formulated by expert teachers by following the latest NCERT (CBSE) guidelines. All the questions with solutions of … Read more

NCERT Science book class 10 ch-16 Sustainable Management of Natural resources In-Text Questions Solutions

  # In-text Questions solutions-Q1- What changes can you make in your habits to become more environment friendly?Ans. (i) To preserve the diversity at specific habitat levels so that evolution and development of life in long run does not get disturbed.(ii) To ensure availability and sustainability of resources.(iii) To maintain essential ecological processes.(iv)  Steps for … Read more

NCERT Science Class 10 Revision notes of Chapter 7: Control and Coordination

NCERT Solutions for Class 10 Science Chapter 7: Control and Coordination  NCERT book Solutions and chapter notes  for Class 10 Science Chapter 7 Control and Coordination. NCERT Solutions for Class 10 Science (Biology) Chapter 7 – Control and Coordination in PDF format. The solutions are formulated by expert teachers by following the latest NCERT (CBSE) guidelines. … Read more

NCERT book class 10 science ch 7 in-text questions solution

NCERT book class 10 science ch 7 in-text questions solution     #In-Text Questions-       Q1- What is the difference between a reflex action and walking ? Ans. Reflex actions are spontaneous, automatic mechanical  responses which are not under will and are controlled by spinal cord,while walking is a voluntary response which involves contraction and … Read more

NCERT Solutions for Class 10 Science Chapter 15: Our Environment Text book Questions solutions

# Text Book/ Exercise Questions Solutions-     Q1- What of the following groups contain only biodegradable items? Ans. (a),(c),(d) Q2- Which of the following constitute a food chain? Ans. (b). Q3- Which of the following are environment-friendly practices? Ans. (d) Q4- What will happen if we kill all the organisms in one trophic level? Ans. It will disturb the … Read more

NCERT Solutions for Class 10 Science Chapter 9 Heredity and Evolution

    # In-text Questions solutions-  Q 1- If a trait exists in 10% of population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier? Ans. The trait which exists in 10% of a population of an asexually reproducing species appeared … Read more