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.
Write the balanced chemical equations for the following reactions. 
(a) Calcium hydroxide + Carbon dioxide \(→\) Calcium carbonate + Water 
(b) Zinc + Silver nitrate \(→\) Zinc nitrate + Silver 
(c) Aluminium + Copper chloride \(→\) Aluminium chloride + Copper 
(d) Barium chloride + Potassium sulphate \(→\) Barium sulphate + Potassium chloride

      2.
      Show how you would connect three resistors, each of resistance 6 Ω, so that the combination has a resistance of 
      1. 9 Ω
      2. 4 Ω

          3.
          Which of the statements about the reaction below are incorrect?
          \(\text{ 2PbO(s) + C(s) → 2Pb(s) + C}O_2\text{(g)}\)
          (a) Lead is getting reduced. 
          (b) Carbon dioxide is getting oxidized. 
          (c) Carbon is getting oxidized. 
          (d) Lead oxide is getting reduced.

            • (a) and (b)

            • (a) and (c)

            • (a), (b) and (c)
            • all

            4.
            Oil and fat containing food items are flushed with nitrogen. Why?

                5.
                State two ways to prevent the rusting of iron.

                    6.
                    What is the difference between the manner in which movement takes place in a sensitive plant and the movement in our legs?

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