Students can practice the best Class 9 Science MCQ and Class 9 Science Exploration Chapter 3 MCQ Online Test with Answers Tissues in Action for exam preparation.
Class 9 Science Chapter 3 Tissues in Action MCQ
Tissues in Action MCQ
Class 9 Science Chapter 3 MCQ Online Test
Question 1.
Which property out of the following does meristematic tissue have that results in the growth of plants?
A. It is a dead tissue
B. It is a flexible tissue
C. It is a dividing tissue
D. It is a non-dividing tissue
Solution:
(C) Meristematic tissues are dividing tissues; hence, all the regions where they are present, the growth of plants takes place.
Question 2.
Lateral meristem causes an increase in girth of a stem. How does it achieve this?
A. Cells divide only inward, pushing the bark outward
B. Cells divide only outward, forming new layers
C. Cells divide concentrically, adding new cells both inside and outside
D. Cells elongate along the axis of the stem
Solution:
(C) Cells divide concentrically, adding new cells both inside and outside
Question 3.
The process by which meristematic tissue becomes specialised to perform specific functions is called
A. dedifferentiation
B. totipotency
C. differentiation
D. redifferentiation
Solution:
C. differentiation
Question 4.
If the tip of 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
Solution:
(D) Intercalary meristem are present in the stems at the base of nodes. So, even if the tip of sugarcane (which possess apical meristem) is removed, it can still grow with the help of intercalary meristem.
Question 5.
Annual rings in a tree trunk are formed by which meristem, and what do wide rings indicate?
A. Apical meristem; more rainfall
B. Intercalary meristem; favourable growing conditions
C. Lateral meristem; favourable growing conditions during that year
D. Lateral meristem; unfavourable growing conditions
Solution:
(C) Lateral meristem; favourable growing conditions during that year.
Question 6.
A permanent slide shows thin-walled isodiametric cells with a large vacuole. This slide contains (NCERT Exemplar)
A. parenchyma cells
B. aerenchyma cells
C. collenchvma cells
D. nerve cells
Solution:
(A) Parenchyma cells are the most common, simple, permanent tissue that have relatively unspecialised cells with thin cell walls; the cells are isodiametric and has a large vacuole. Also, they are usually loosely packed, thus have large space between them.
Question 7.
The cells of tissue X are elongated and irregularly thickened at the corners. Identify X out of the following options.
A. Collenchyma
B. Scierenchyma
C. Parenchyma
D. Chiorenchyma
Solution:
(A) Collenchyma is a mechanical tissue that has elongated cells and is irregularly thickened at the corners. It provides mechanical support and flexibility to plant organs. It allows easy bending in various parts of a plant, mainly young growing stem, without breaking them.
Question 8.
In desert plants, the rate of water loss gets reduced due to the presence of (NCERT Exemplar)
A. cuticle
B. stomata
C. lignin
D. suberin
Solution:
(A) The cuticle is a protective layer covering the young shoots and other aerial parts of plant. It contains lipids and has a waterproof quality. This minimises the effects of heat and reduces the loss of water.
Question 9.
FC Steward’s experiment with carrot phloem cells demonstrated totipotency. Which sequence correctly represents the process? (Competency-Based Question)
A. Differentiation → division → dedifferentiation → complete plant
B. Phloem cells → dedifferentiation → undifferentiated mass → redifferentiation → complete plant
C. Phloem cells → direct division → complete plant without any change
D. Meristematic cells → phloem → complete plant via grafting
Solution:
(B) Phloem cells → dedifferentiation → undifferentiated mass → redifferentiation → complete plant.
Question 10.
Choose the cell out of the following that does not have perforated cell wall.
A. Tracheids
B. Companion cells
C. Sieve tubes
D. Vessels
Solution:
(A) Tracheids are elongated hollow cells which do not have perforated cell wall. These are water-conducting cells found in xylem.
Question 11.
A long tree has several branches. The tissue that helps in the sideways conduction of water in the branches is (NCERT Exemplar)
A. collenchyma
B. xylem parenchyma
C. parenchyma
D. xylem vessels
Solution:
(B) Xylem parenchyma helps in sideways conduction of water. It also helps in storage of food.
Question 12.
Refer to the given figure and select the correct statement regarding X, Y, and Z.
A. X is involved in the conduct of organic food
B. Y cells are made up of dead cells and provide mechanical support to X
C. Z is made up of non-living cells and is involved in transportation of water
D. None of the above
Solution:
(A) X is to be identified as sieve tube that is responsible for conduction of organic food from leaves to other parts of the plant.
Question 13.
Which of the following statements are correct about xylem? (Competency-Based Question)
i. Xylem helps in the transport of water and minerals in plants.
ii. Xylem consists of tracheids, vessels, xylem parenchyma and xylem fibres.
iii. Xylem transports food from leaves to other parts of the plant.
iv. Xylem provides mechanical support to the plant.
v. Xylem is a type of simple permanent tissue.
A. i, ii, iv
B. ii. iii, v
C. i, iii, v
D. i, ii, v
Solution:
(A) Statements i, ii, and iv are correct. Incorrect statements iii and y can be corrected as Xylem transports water and minerals from roots to other parts of the plant and provides mechanical support. It is a complex permanent tissue made up of tracheids, vessels, xylem fibres, and xylem parenchyma.
Question 14.
Which epithelial tissue helps in rapid diffusion of liquids and gases?
A. Many-layered flat cells
B. Single layer of thin, flat cells
C. Tall pillar-like cells
D. Cells with hair-like cilia
Solution:
(B) Single layer of thin, flat cells. This type of epithelium is found in the lining of blood vessels and lungs and allows rapid exchange of gases and liquids.
Question 15.
Which epithelial tissue lines the small intestine and helps in absorption of nutrients?
A. Single layer of thin, flat cells
B. Many layers of flat, tightly packed cells
C. Single layer of tall pillar-like cells
D. Cells specialised for secretion
Solution:
(C) Single layer of tall, pillar-like cells. These cells often have hair-like structures that increase surface area for efficient absorption of nutrients and water in the small intestine.
Question 16.
Which of the following correctly matches the connective tissue with its special feature?
A. Cartilage – Highly vascular and heals quickly.
B. Bone – Hard matrix due to calcium and phosphorus salts.
C. Blood – Solid matrix with calcium salts.
D. Areolar tissue – Joins muscle to bone.
Solution:
(B) Bone has a hard matrix due to mineral deposition. Cartilage is nonvascular, blood is fluid, and areolar tissue connects organs, not muscle to bone.
Question 17.
Choose the incorrect statement. (Competency-Based Question)
A. The nature of matrix differs according to the function of the tissue. Competency
B. Fats are stored below the skin and in between the internal organs
C. Epithelial tissues have intercellular spaces between them
D. Cells of smooth muscles are uninucleate and unbranched
Solution:
(C) Statement given in option (C) is incorrect.
In the epithelial tissues, cells are tightly packed and form a continuous sheet. There is almost no intercellular space between them. Rest other statements are correct.
Question 18.
Select the incorrect statement. (NCERT Exemplar)
A. Blood has 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
Solution:
(C) A tendon is a white fibrous tissue which has great strengths but limited flexibility. They join skeletal muscles to bones.
Question 19.
While doing work and running, you move your organs like hands, legs, etc. Which among the following is correct? (NCERT Exemplar)
A. Smooth muscles contract and pull the ligament to move the bones
B. Smooth muscles contract and pull the tendon 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
Solution:
(D) While doing work and running, skeletal muscles contract and pull the tendon (which connects muscles to bones) to move the bone.
Question 20.
Which of the following 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
Solution:
(B) Smooth muscles and cardiac muscles act involuntarily. The muscles which we cannot move as per our will are called involuntary muscles.
Question 21.
Which structural feature of neurons allows them to transmit signals rapidly over long distances?
A. Presence oía thin cell wall
B. Projection arising from cell body
C. Presence of axon
D. Spherical shape of the cell body
Solution:
(C) Axons are the projections arising from cell body that carry impulses quickly over long distances.
Question 22.
Which part of the musculoskeletal system is mainly responsible for movement by contracting and relaxing?
A. Bones
B. Muscles
C. Joints
D. Ligaments
Solution:
B. Muscles
Question 23.
Which type of joint is involved when you bend your knees and ankles?
A. Ball and socket
B. Hinge
C. Pivot
D. Fixed
Solution:
(B) The knee and ankle are hinge joints that allow movement in only one direction, similar to a door hinge. They allow bending and straightening but not rotation.
Question 24.
Meristematic tissues are classified as apical, lateral, and intercalary on the basis of which out of these?
A. Shape
B. Dividing capacity
C. location
D. Size
Solution:
C. location
(C) Meristematic tissues are classified as apical, lateral, and intercalary based on where they are located in at the tips, sides, or bases of organs, respectively of plants.
Question 25.
Which of the following is not a part of epidermal tissue system?
A. Companion cells
B. Guard cells
C. Root hairs
D. Stomata
Solution:
A. Companion cells
(A) Companion cells are part of the phloem tissue, not the epidermal tissue system, which includes guard cells, root hairs, and stomata.
Question 26.
The number of nuclei present in striped muscle fibre is/are
A. one
B. many
C. two
D. None of the above
Solution:
B. many
(B) Striped (skeletal) muscle fibres are multinucleated, meaning they have many nuclei present in a single fibre to support its long structure.
Question 27.
Which structure of neuron is responsible for transfer of impulses to muscles? (Competency-Based Question)
A. Dendrites
B. Nerve endings
C. Cell body
D. Cytoplasm
Solution:
B. Nerve endings
(B) Nerve endings at the end of a neuron transfer impulses to muscles, enabling movement by communicating with muscle fibres.
Question 28.
Choose the incorrect statement regarding connective tissue. (Competency-Based Question)
A. Cells are loosely packed
B. Cells are living in nature
C. Connects various tissues and organs with each other
D. Helps in the absorption of water and minerals.
Solution:
D. Helps in the absorption of water and minerals.
(D) This is incorrect because connective tissue connects and supports tissues and organs, but absorption of water and minerals is done by epithelial tissue.
Tissues in Action Class 9 Assertion and Reason Questions
Direction (Q. Nos. 1- 13) In each of the following questions, a statement of Assertion (A) is given by the corresponding statement of Reason (R). Of the statements, mark the correct answer as (Competency-Based Question)
A. Both A and R are true, and R is the correct explanation of A.
B. Both A and R are true, but R is not the correct explanation of A.
C. A is true, but R is false
D. A is false, but R is true
Question 1.
Assertion (A) Apical meristems are present along the side of various organs in plants.
Reason (R): These help in the growth of plants.
Solution:
(D) A is false, but R is true. A can be corrected as Apical meristem is present at the growing tips of stem and roots.
Question 2.
Assertion (A): Cork is a protective tissue present in plants.
Reason (R): It aids in protection against water loss, mechanical injury, and microbial infestation.
Solution:
(A) Both A and R are true, and R is the correct explanation of A.
Question 3.
Assertion (A): Lateral meristem adds thickness to plants.
Reason (R): The lateral meristem is found in between the vascular bundles.
Solution:
(C) A is true, but R is false. R can be corrected as lateral meristems are found on the lateral sides of stems and roots.
Question 4.
Assertion (A): Meristematic tissues are non-dividing tissues.
Reason (R): Meristematic tissues, after differentiation, give rise to permanent tissue.
Solution:
(D) A is false, but R is true. A can be corrected as Meristematic tissues are dividing tissues.
Question 5.
Assertion (A): Most of the plant tissues are dead.
Reason (R): The plants are sedentary in nature; thus, the dead cells provide mechanical strength in comparison to live ones and need low maintenance.
Solution:
(A) Both A and R are true, and R is the correct explanation of A.
Question 6.
Assertion (A): Blood is a fluid connective tissue.
Reason (R) Blood a fluid connective tissue which connects all the tissues and organs with each other and helps in transportation of important substances.
Solution:
(A) Both A and R are true, and R is the correct explanation of A.
Question 7.
Assertion (A) The movements of alimentary canal, iris of the eye and bronchi of lungs are not under our will.
Reason (R) Movements of alimentary canal, iris of the eye, and bronchi of lungs are controlled by voluntary muscles.
Solution:
(C) A is true, but R is false. R can be corrected as these are controlled by involuntary muscles. These muscles are not under our control, e.g. alimentary canal, iris of the eye and bronchi of lungs.
Question 8.
Assertion (A): Ciliated epithelium helps in the movement of particles.
Reason (R): Cilia present on epithelium have the ability to move.
Solution:
(A) Both A and R are true, and R is the correct explanation of A.
Question 9.
Assertion (A): Two bones are connected to one another by a type of connective tissue.
Reason (R): Tetidon is a type of loose connective tissue that joins two bones together.
Solution:
(C) A is true, but R is false. R can be corrected as A ligament is a connective tissue that connects two bones together to form a joint.
Question 10.
Assertion (A): Axons and dendrites are special features of neurons.
Reason (R): Axons help in the rapid conduction of nerve impulses.
Solution:
(A) Both A and R are true, and R is the correct explanation of A.
Question 11.
Assertion (A) Specialisation in cells are advantageous for the organisms.
Reason (R): It decreases the efficiency of an organism.
Solution:
(C) A is true, but R is false. R can be corrected as Cell specialisation increases the efficiency by allowing each cell type to perform a specific function effectively.
Question 12.
Assertion (A): Parenchyma stores food in plants.
Reason (R): Parenchyma cells have large intercellular spaces.
Solution:
(B) Parenchyma stores food due to large vacuoles, while intercellular air spaces mainly help in gaseous exchange.
Question 13.
Assertion (A): Epithelial tissues are protective tissues.
Reason (R): Materials are exchanged at the surface across the epithelial tissue.
Solution:
(B) Both A and R are true, but R is not the correct explanation of A.