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Complete the table :

[question] Question. Complete the table : [/question] [solution] Solution: (i) Parenchyma (ii) Sclerenchyma (iii) Phloem. [/solution]...

How does the cork act as a protective tissue ?

[question] Question. How does the cork act as a protective tissue ? [/question] [solution] Solution: Cork acts as a protective layer because its cells are dead, filled with tannins, resin and air, impermeable due to deposition of suberin over the cell walls and absence of intercellular spaces. It is insulating (heat proof), fire proof, shock proof, water proof and repellent to microbes and animals. [/solution]...

What is the role of epidermis in plants ?

[question] Question. What is the role of epidermis in plants ? [/question] [solution] Solution: (i) Protection, (ii) Regulation of transpiration, (iii) Formation of insulating stationary air layer with the help of hair. (iv) Exchange of gases. [/solution]...

Name the regions in which parenchyma tissue is present.

[question] Question. Name the regions in which parenchyma tissue is present. [question] [solution] Solution: It occurs in almost all nonwoody parts of the plants – cortex, pith, medullary rays of stem, cortex and pith of root, chlorenchyma of leaves, flowers, pith of fruits, etc. Epidermis is special type of parenchyma. [/solution]...

Identify the types of tissue in the following : bark of tree,

[question] Question. Identify the types of tissue in the following : bark of tree, vascular bundle, skin, bone, lining of kidney tubule. [/question] [solution] Solution: Bark of Tree : Cork (Protective tissue), Vascular Bundle : Complex or vascular tissues, xylem and phloem. Skin : Epithelial tissue, Bone : Connective tissue with solid matrix, Lining of Kidney tubule : Epithelial tissue. [/solution]...

Name the following

[question] Question. Name the following : (a) Tissue that forms the inner lining of our mouth. (b) Tissue that connects muscle to bone in humans. (c) Tissue that transports food in plants. (d) Tissue that stores fat in our body. (e) Connective tissue with a fluid matrix. (f) Tissue present in the brain. [/question] [solution] Solution: (a) Epithelial tissue (b) Tendon (c) Phloem (d) Adipose (e) Blood (f) Nervous tissue [/solution]...

Draw a labelled diagram of a neuron.

[question] Question. Draw a labelled diagram of a neuron. [/question] [solution] Solution: [/solution]...

Difference amongst striated,

[question] Question. Difference amongst striated, unstriated and cardiac muscles on the basis of their structure and site / location in the body. [/question] [solution] Solution: [/solution]...

Diagramatically show the difference amongst three types of muscle fibres.

[question] Question. Diagramatically show the difference amongst three types of muscle fibres. [/question] [solution] Solution: [/solution]...

What are the functions of stomata ?

[question] Question. What are the functions of stomata ? [/question] [solution] Solution: Functions of stomata. (i) Gaseous Exchange. Stomata are sites where exchanges of gases (carbon dioxide and oxygen) occurs between the plant interior and external environment. (ii) Transpiration. Major part of transpiration occurs through stomata. Transpiration removes excess water and keeps plant surfaces cool even in bright sun. [/solution]...

Differentiate amongst parenchyma

[question] Question. Differentiate amongst parenchyma, collenchyma and sclerenchyma on the basis of the cell wall. [/question] [solution] Solution: [/solution]...

How are simple tissues different from complex tissues in plants ?

[question] Question. How are simple tissues different from complex tissues in plants ? [/question] [solution] Solution: [/solution]...

How many types of elements together

[question] Question. How many types of elements together make up the xylem tissue ? Name them. [question] [solution] Solution: Xylem tissue is formed of four types of elements. They are tracheids, vessels, xylem paren chyma and xylem fibres....

Define the term “tissue”.

[question] Question. Define the term “tissue”. [/question] [solution] Solution: Tissue is a group of related cells that have a common origin and perform a common function. [/solution]...

What are the functions of areolar tissue?

[question] Question. What are the functions of areolar tissue? [/question] [solution] Solution: Areolar tissue fills the space inside the organs, supports internal organs and helps in repair of tissues. [/solution]...

Give three features of cardiac muscles

[question] Question. Give three features of cardiac muscles. [/question] [solution] Solution: 1. These are involuntary muscles. 2. These are cylindrical, branched and uninucleate. 3. The muscles show rhythmic contraction and reaxation throughout life. [/solution]...

What does a neuron look like?

[question] Question. What does a neuron look like? [question] [solution] Solution: A neuron consists of a cell body with a nucleus and cytoplasm, from which long thin hair like parts arise. Usually each neuron has a single long part, called the axon, and many short, branched parts (processes) called dendrites. An individual nerve cell may be up to a metre long. [/solution]...

Name the tissue responsible for movement in our body

[question] Question. Name the tissue responsible for movement in our body [/question] [solution] Solution: Muscular tissue is responsible for movement in our body [/solution]...

What are the constituents of phloem ?

[question] Question. What are the constituents of phloem ? [/question] [solution] Solution: Sieve tubes, companion cells, phloem parenchyma and phloem fibres. [/solution]...

Which tissue makes up the husk of coconut ?

[question] Question. Which tissue makes up the husk of coconut ? [/question] [solution] Solution: Sclerenchyma...

Where is apical meristem found ?

[question] Question. Where is apical meristem found ? [/question] [solution] Solution: Apical meristem occurs at root and stem tips....

Name types of simple tissues.

[question] Question. Name types of simple tissues. [/question] [solution] Solution: Three – Parenchyma, collenchyma and sclerenchyma. (Meristematic tissue is also a simple tissue). [/solution]...

What is the utility of tissues

[question] Question. What is the utility of tissues in multi-cellular organisms ? [/question] [solution] Solution: (i) Division of Labour. Tissues bring about division of labour in multicellular organisms. It increases efficiency. (ii) Higher organisation. Tissues become organised to form organs and organ systems. (iii) Individual Cells. Work load of individual cells has decreased. (iv) Higher surival. Because of division of labour, higher efficiency and organisation, the multicellular organisms...

What is a tissue ?

[question] Question. What is a tissue ? [/question] [solution] Solution: Tissue is a group of related cells that have a common origin and perform a common function. [/solution]...

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