Science exemplar problems class 9 Solutions for Chapter 6 tissues

A long tree has several branches. The tissue that helps in the side ways conduction of water in the branches is

State whether TRUE or FALSE:

The main function of simple squamous epithelial tissue is to provide protection.

Girth of stem increases due to

A person met with an accident in which two long bones of hand were dislocated. Which among the following may be the possible reason?

Intestine absorb the digested food materials. What type of epithelial cells are responsible for that

While doing work and running, you move your organs like hands, legs etc. Which among the following is correct?

Which muscles act involuntarily?

(i) Striated muscles

(ii) Smooth muscles

(iii) Cardiac muscles

(iv) Skeletal muscles

Complete the following sentence:

Meristematic tissues in plants are ……………………………………………..

Which of the following is NOT a function of the epidermis?

Select the incorrect sentence

Fats are an important component of which of the following tissues?

Bone matrix is rich in

Contractile proteins are found in

Which of the following helps in repair of tissue and fills up the space inside the organ?

Nervous tissue is not found in

Voluntary muscles are found in

The cartilage tissue comprises of which of the following cells?

(Chondrocytes / Neurons)

Nerve cell does not contain

Fill in the blank:

Cork cells possesses ________ on their walls that makes it impervious to gases and water

Write true (T) or false (F)

Epithelial cells have a lot of intercellular spaces.

Write true (T) or false (F)

The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.

Identify the given statement as TRUE or FALSE:

Cardiac muscle tissue consists of more mitochondria that provide it the constant energy required for the continuous beating of the heart.

Which of the following epithelium tissues are present in the kidney tubules?

Read the two statements given below carefully and choose the correct option:

STATEMENT A: Cardiac tissues are muscle tissues that are rich in mitochondria.

STATEMENT B: Cardiac muscle tissues require a continuous supply of energy to carry out non-stop beating of the heart.

Assertion (A): Cardiac tissues are muscle tissues that are rich in mitochondria.

Reason (R): Cardiac muscle tissues require a continuous supply of energy to carry out non-stop beating of the heart.

Find out incorrect sentence

Which of the following tissues has dead cells?

Assertion (A): Cardiac tissues are muscle tissues that are rich in mitochondria.

Reason (R): Cardiac muscle tissues require a continuous supply of energy to carry out non-stop beating of the heart.

Fill in the blank:

Bone possesses a hard matrix composed of ______ and phosphorus.

Fill in the blank:

____ have tubular cells with perforated walls and are living in nature.

Identify the given statement as TRUE or FALSE.

The cells of the cuboidal epithelium are thin, flat, and columnar in shape.

Fill in the blank:

Lining of blood vessels is made up of ________ .

Write true (T) or false (F)

Epithelial layer does not allow regulation of materials between body and external environment.

Write true (T) or false (F)

Epithelial layer is permeable layer.

Parenchyma cells are

Even if the tip of sugarcane plant is removed, it keeps on growing in length. This nature of the sugarcane plant is due to the presence of which of the following tissues?

Flexibility in plants is due to

Which of the following in a phloem tissue are dead cells?

Which of the following tissues has dead cells?

(a) Parenchyma

(b) Sclerenchyma

(c) Collenchyma

(d) Epithelial tissue

Find out incorrect sentence

(a) Parenchymatous tissues have intercellular spaces

(b) collenchymatous tissues are irregularly thickened at corners

(c) Apical and intercalary meristems are permanent tissues

(d) Meristematic tissues, in its early stage, lack vacuoles

The girth of stem increases due to

(a) apical meristem

(b) lateral meristem

(c) intercalary meristem

(d) vertical meristem

Which cell does not have a perforated cell wall?

(a) Tracheids

(b) Companion cells

(c) Sieve tubes

(d) Vessels

The intestine absorbs digested food materials. What type of epithelial cells is responsible for that?

(a) Stratified squamous epithelium

(b) Columnar epithelium

(c) Spindle fibers

(d) Cuboidal epithelium

A person met with an accident in which two long bones of hand were dislocated. Which among the following may be the possible reason?

(a) Tendon break

(b) Break of skeletal muscle

(c) Ligament break

(d) Areolar tissue break

While doing work and running, you move your organs like hands, legs, etc. Which among the following is correct?

(a) Smooth muscles contract and pull the ligament to move the bones

(b) Smooth muscles contract and pull the tendons to move the bones

(c) Skeletal muscles contract and pull the ligament to move the bones

(d) Skeletal muscles contract and pull the tendon to move the bones

In which group of animals, the coelom is filled with blood?

(a) Arthropoda

(b) Annelida

(c) Nematoda

(d) Echinodermata

Which muscles act involuntarily?

(i) Striated muscles

(ii) Smooth muscles

(iii) Cardiac muscles

(iv) Skeletal muscles

(a) (i) and (ii)

(b) (ii) and (iii)

(c) (iii) and (iv)

(d) (i) and (iv)

Meristematic tissues in plants are

(a) localized and permanent

(b) not limited to certain regions

(c) localized and dividing cells

(d) growing in volume

Which is not a function of the epidermis?

(a) Protection from adverse condition

(b) Gaseous exchange

(c) Conduction of water

(d) Transpiration

Select the incorrect sentence

(a) Blood has a matrix containing proteins, salts, and hormones

(b) Two bones are connected with ligament

(c) Tendons are non-fibrous tissue and fragile

(d) Cartilage is a form of connective tissue

Cartilage is not found in

(a) nose

(b) ear

(c) kidney

(d) larynx

Fats are stored in the human body as

(a) cuboidal epithelium

(b) adipose tissue

(c) bones

(d) cartilage

Bone matrix is rich in

(a) fluoride and calcium

(b) calcium and phosphorus

(c) calcium and potassium

(d) phosphorus and potassium

Contractile proteins are found in

(a) bones

(b) blood

(c) muscles

(d) cartilage

Voluntary muscles are found in

(a) alimentary canal

(b) limbs

(c) iris of the eye

(d) bronchi of lungs

Nervous tissue is not found in

(a) brain

(b) spinal cord

(c) tendons

(d) nerves

Nerve cell does not contain

(a) axon

(b) nerve endings

(c) tendons

(d) dendrites

Which of the following helps in the repair of tissue and fills up space inside the organ?

(a) Tendon

(b) Adipose tissue

(c) Areolar

(d) Cartilage

The muscular tissue which functions throughout the life continuously without fatigue is

(a) skeletal muscle

(b) cardiac muscle

(c) smooth muscle

(d) voluntary muscle

Which of the following cells is found in the cartilaginous tissue of the body?

(a) Mast cells

(b) Basophils

(c) Osteocytes

(d) Chondrocytes

The dead element present in the phloem is

(a) companion cells

(b) phloem fibers

(c) phloem parenchyma

(d) sieve tubes

Which of the following does not lose their nucleus at maturity?

(a) Companion cells

(b) Red blood cells

(c) Vessel

(d) Sieve tube cells

In desert plants, the rate of water loss gets reduced due to the presence of

(a) cuticle

(b) stomata

(c) lignin

(d) suberin

A long tree has several branches. The tissue that helps in the sideways conduction of water in the branches is

(a) collenchyma

(b) xylem parenchyma

(c) parenchyma

(d) xylem vessels

If the tip of the sugarcane plant is removed from the field, even then it keeps on growing in length. It is due to the presence of

(a) cambium

(b) apical meristem

(c) lateral meristem

(d) intercalary meristem

Parenchyma cells are

(a) relatively unspecified and thin-walled

(b) thick-walled and specialized

(c) lignified

(d) none of these

A nail is inserted in the trunk of a tree at a height of 1 meter from the ground level. After 3 years the nail will

(a) move downwards

(b) move upwards

(c) remain at the same position

(d) move sideways

Flexibility in plants is due to

(a) collenchyma

(b) sclerenchyma

(c) parenchyma

(d) chlorenchyma

Cork cells are made impervious to water and gases by the presence of

(a) cellulose

(b) lipids

(c) suberin

(d) lignin

Survival of plants in the terrestrial environment has been made possible by the presence of

(a) intercalary meristem

(b) conducting tissue

(c) apical meristem

(d) parenchymatous tissue

Choose the wrong statement

(a) The nature of the matrix differs according to the function of the tissue

(b) Fats are stored below the skin and in between the internal organs

(c) Epithelial tissues have intercellular spaces between them

(d) Cells of striated muscles are multinucleate and unbranched

The water-conducting tissue generally present in gymnosperm is

(a) vessels

(b) sieve tube

(c) tracheids

(d) xylem fibers

Animals of colder regions and fishes of cold water have a thicker layer of subcutaneous fat. Describe why?

Match the column (A) with the column (B)

(A) – (B)

(a) Fluid connective tissue – (i) Subcutaneous layer

(b) Filling of space inside the organs – (ii) Cartilage

(c) Striated muscle – (iii) Skeletal muscle

(d) Adipose tissue – (iv) Areolar tissue

(e) The surface of joints – (v) Blood

(f) Stratified squamous epithelium – (vi) Ski

Match the column (A) with the column (B)

(A) – (B)

(a) Parenchyma – (i) Thin-walled, packing cells

(b) Photosynthesis – (ii) Carbon fixation

(c) Aerenchyma – (iii) Localized thickenings

(d) Collenchyma – (iv) Buoyancy

(e) Permanent tissue – (v) Sclerenchyma

If a potted plant is covered with a glass jar, water vapors appear on the wall of the glass jar. Explain why?

Name the different components of xylem and draw a living component?

Draw and identify different elements of phloem.

Write true (T) or false (F)

(a) Epithelial tissue is protective tissue in an animal body.

(b) The lining of blood vessels, lung alveoli, and kidney tubules are all made up of epithelial tissue.

(c) Epithelial cells have a lot of intercellular spaces.

(d) The epithelial layer is a permeable layer.

(e) The epithelial layer does not allow the regulation of materials between the body and the external environment.

Differentiate between voluntary and involuntary muscles. Give one example of each type.

Differentiate the following activities on the basis of voluntary (V) or involuntary (I V) muscles.

(a) Jumping of frog

(b) Pumping of the heart

(c) Writing with hand

(d) Movement of chocolate in your intestine

Fill in the blanks

(a) Lining of blood vessels is made up of___.

(b) Lining of small intestine is made up of___ .

(c) Lining of kidney tubules is made up of___.

(d) Epithelial cells with cilia are found in___ of our body

Water hyacinth float on the water surface. Explain.

Which structure protects the plant body against the invasion of parasites?

Fill in the blanks

(a) Cork cells possess _______on their walls that makes it impervious to gases and water.

(b) _______ have tubular cells with perforated walls and are living in nature.

(c) Bone possesses a hard matrix composed of___ and _______ .

Why is epidermis important for the plants?

Fill in the blanks

(a) _________are forms of complex tissue.

(b) _________ have guard cells.

(c) Cells of cork contain a chemical called_ .

(d) The husk of coconut is made _________ tissue.

(e) _________ gives flexibility in plants.

(f) _________and _________ are both conducting tissues.

(g) Xylem transports_ and_ from soil.

(h) Phloem transport_ from_ to other parts of the plant

Differentiate between sclerenchyma and parenchyma tissues. Draw a well-labeled diagram.

Describe the structure and function of different types of epithelial tissues. Draw a diagram of each type of epithelial tissue.

Draw well-labeled diagrams of various types of muscles found in the human body.

Give reasons for

(a) Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.

(b) Intercellular spaces are absent in sclerenchymatous tissues.

(c) We get a crunchy and granular feeling when we chew pear fruit.

(d) Branches of a tree move and bend freely in high wind velocity.

(e) It is difficult to pull out the husk of a coconut tree.

List the characteristics of cork. How are they formed? Mention their role.

Why are xylem and phloem called complex tissues? How are they different from one other?

Differentiate between meristematic and permanent tissues in plants (b) Define the process of differentiation ( Name any two simple and two complex permanent tissues in plants