NCERT Science book class 10 ch-16 Sustainable Management of Natural resources Text book/Exercise solution

    NCERT Science book class 10 ch-16 Sustainable Management of Natural resources Text book/Exercise solution # Text book/Exercise Questions solutions- 1. What changes would you suggest in your home in order to be environment friendly? Solution :Few suggestive methods are : 1. A running tap or a defective tap should be rectified to minimise … Read more

class 10 science ch 7 important question

class 10 science ch 7 important question class 10 science ch 7 important question download PDF  Download class 10 science ch 7 important question class 10 science ch 7 important question Chapter 7 Summary for revision Any change in environment to which an organism responds and reacts is called stimulus. Plants not only respond to light but … Read more

NCERT Solutions for Class 10 Science Chapter 7: Control and Coordination

    #Textbook/Exercises Question and Answers – Q1- Which of the following is a plant hormone ? Ans. (d) Cytokinin   Q2-The gap between two neurons is called a : Ans. (b) Synapse   Q3-The brain is responsible for : Ans. (d) All  of the above   Q4-What is the function of receptors in our body ?Think of … Read more

NCERT Solutions for Class 10 Science Chapter 15: Our Environment in-text

  #In-text Questions solutions-Q1- Why are some substances biodegradable and some non-biodegradable?Ans. Those wastes which can be degraded by biological or microbial actions are called biodegradable wastes e.g. domestic sewage, livestock wastes, municipal wastes, etc., while those wastes which are not acted upon by the microbes or acted upon very slowly, so cannot be decomposed, are called … 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

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