Question

Draw neat and well labelled diagram of the following
(i) various cells of the human body
(ii) Section of a stem
(iii) Type of connective tissues
(iv) you are provided with a mixed of naphthalene and ammonium chloride



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Answer 1

Answer:

Draw neat and well labelled diagram of the following

(i) various cells of the human body

(ii) Section of a stem

(iii) Type of connective tissues

(iv) you are provided with a mixed of naphthalene and ammonium chloride

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Answer 2

Answer:

(i)

• red blood cells (erythrocytes)
• skin cells.
• neurons (nerve cells)
• fat cells.

(ii) The stem of a plant is one of the main structural parts of a vascular plant, which provides support for leaves and buds. ... From the outside to inside, the layers of stems are: bark or epidermis, phloem, cambium, xylem and, finally, pith. The epidermis gives stability and protection like the highway's foundation.

(iii)

• Areolar Connective Tissue.
• Adipose Tissue or Body Fat.
• Reticular Connective Tissue.
• Dense Regular Connective Tissue.
• Dense Irregularity Tissue.
• Elastic Connective Tissue.
• Cartilage.

(iv) Naphthalene is insoluble in water but soluble in benzene (organic solvent). ... Naphthalene changes into vapours at room temperature whereas ammonium chloride changes into vapours on heating. Method (a) Add water to the mixture and shake it vigorously to dissolve ammonium chloride.

Elastic Cartilage.

Explanation:

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