NCERT Solutions for Class 9 Science Chapter 6: Tissues

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The NCERT Solutions for Class 9 Science are provided in this article. NCERT Solutions for Class 9 Science Chapter 6 Tissues covers the following important topics:

  1. Single cell protein
  2. Biofortification
  3. Simple Permanent Tissues
  4. Connective Tissues

Download: NCERT Solutions for Class 9 Science Chapter 6 pdf


NCERT Solutions for Class 9 Science Chapter 6

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Important Topics for Class 9 Science Chapter 6 Tissues

Tissue is a group of cells with a similar form and function forming a cellular organizational level that sits in between the cell and organ system hierarchy. These are made up of a collection of specialized cells that execute certain tasks. The combination of the functional groups of tissues forms organs.

Single Cell Protein (SCP)

Single cell protein (SCP) or microbial proteins can be expressed as the dried and dead cells of microorganisms, including yeast, bacteria, fungi, and algae.

Example: How is Single Cell Protein (SCP) produced?

Solution: Single Cell Protein (SCP) can be produced by the following steps:

  • Selection of suitable strain
  • Fermentation
  • Harvesting
  • Post-harvest treatment
  • SCP processing for food

Biofortification

Biofortification can be defined as the process that helps in the development of via bioavailable micronutrients present in its edible parts. 

Example: Name the three processes of Biofortification.

Solution: The three processes of Biofortification are:

  • Conventional
  • Agronomic
  • Biotechnology

Simple Permanent Tissues

Simple permanent tissue are also referred to as homogenous tissues. They are called Simple Permanent Tissues because they contain a single cell type, often having the same origin, structure, and function.

Simple Permanent Tissues can be further divided into three segments:

  • Parenchyma
  • Collenchyma
  • Sclerenchyma

Connective Tissues

Connective tissues are a group of tissues present in the body that are further responsible to maintain and offer internal support to organs. It is found in abundance in the body.

Connective Tissues can be divided into three major segments:

  • Loose Connective Tissue
  • Dense Connective Tissue
  • Specialised Connective Tissue

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CBSE X Related Questions

  • 1.
    Plants use variety of techniques to get rid of their waste materials. Some are mentioned below. Identify the incorrect one:

      • Excess water is given out by transpiration.
      • Gums and Resins are wastes that are stored.
      • Roots secrete some wastes into the soil.
      • Flowers can store some waste products.

    • 2.
      In human beings, the implantation of fertilised egg takes place in which part of female reproductive system?

        • Oviduct
        • Cervix
        • Uterus
        • Vagina

      • 3.
        Given below is a pyramid showing various trophic levels in an ecosystem:
        (a) From the organisms listed below, identify which one is to be placed at which trophic level:
        Deer, Grass, Lion, Snake, Rabbit
        (b) Discuss the reason why primary consumers will have more energy as compared to secondary consumers?
        (c) Why is the base of the pyramid broad?


          • 4.
            Briefly mention the steps in double-circulation through human heart.


              • 5.
                Assertion (A): Reflex actions do not involve thinking.
                Reason (R): Most reflex actions are controlled by the spinal cord.

                  • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
                  • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
                  • Assertion (A) is true, but Reason (R) is false.
                  • Assertion (A) is false, but Reason (R) is true.

                • 6.
                  Draw a neat diagram to show germination of pollen on the female reproductive part of the flower. Name and label only the following parts:
                  (a) The part that receives the pollen grain.
                  (b) The structure that carries the male germ cell to reach the female germ cell.

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