Tissues in Action: NCERT Solutions & Important Questions
Pichle chapter mein humne padha tha ki 'Cell' life ka building block hai. Lekin socho, kya ek akela cell puri body chala sakta hai? In complex organisms like us and big trees, millions of cells work together. Jab same type ke cells ek group banate hain to perform a specific function, toh us group ko Tissue kehte hain!
Welcome to CBSE Class 9 Science Chapter 3: Tissues in Action. Yeh chapter thoda lengthy lag sakta hai, but trust me, it is one of the most scoring chapters for your 2026 board exams. Agar aap future mein CUET, NEET, ya aage chalkar high-level science target kar rahe hain, toh plant aur animal tissues ka base yahin se banega.
In this comprehensive ExamSpark guide, you will get step-by-step NCERT Solutions for Class 9 Science Chapter 3, the most expected Board Exam Questions 2026, and a free NCERT PDF Download to make your revision super smooth. Chalo, let's master tissues!
Join TelegramLearning Objectives
- Understand the concept of tissues and the division of labor in multicellular organisms.
- Differentiate between Plant Tissues and Animal Tissues.
- Classify plant tissues into meristematic and permanent tissues.
- Identify complex permanent tissues like Xylem and Phloem.
- Understand the structure and functions of various animal tissues: Epithelial, Connective, Muscular, and Nervous.
Key Concepts, Definitions and Formulas
Biology is all about keywords. Exam mein achhe marks lane ke liye in terms ko samajhna zaroori hai:
- Tissue: A group of cells that are similar in structure and work together to perform a particular function.
- Meristematic Tissue: Dividing tissues in plants. They are responsible for plant growth.
- Apical Meristem: Found at the growing tips of stems and roots; increases their length.
- Permanent Tissue: Tissues that have lost the ability to divide and have taken up a permanent shape, size, and function.
- Xylem: Complex plant tissue responsible for conducting water and minerals from roots to leaves.
- Phloem: Complex plant tissue responsible for transporting food from leaves to other parts of the plant.
- Epithelial Tissue: The covering or protective tissue in the animal body.
- Connective Tissue: Tissues that connect, support, or bind different organs together (e.g., Blood, Bone, Cartilage).
- Nervous Tissue: Tissue made of neurons that transmits messages (impulses) throughout the body.
Full NCERT Solutions
Here are the detailed, step-by-step NCERT Solutions for Class 9 Science Chapter 3. Write your answers exactly like this to score full marks!
Question 1: What is a tissue?
Answer: A tissue is a group of cells that are similar in structure and work together to achieve a particular function. For example, blood, phloem, and muscle are all tissues.
Question 2: What is the utility of tissues in multi-cellular organisms?
Answer: In multi-cellular organisms, tissues bring about the division of labor. Since millions of cells are present, different groups of cells (tissues) are specialized to perform specific functions efficiently. For instance, muscle tissues contract and relax to cause movement, while nerve tissues carry messages.
Question 3: Name types of simple tissues.
Answer: Simple permanent tissues in plants are of three main types:
- Parenchyma (Storage and support)
- Collenchyma (Flexibility and mechanical support)
- Sclerenchyma (Hardness and stiffness)
Question 4: Where is apical meristem found?
Answer: The apical meristem is found at the growing tips of stems and roots in plants. It is responsible for increasing the length of the stem and the root.
Question 5: Which tissue makes up the husk of coconut?
Answer: The husk of a coconut is made up of Sclerenchyma tissue. The cells of this tissue are dead, long, narrow, and have heavily thickened walls due to lignin, which makes it extremely hard and stiff.
Question 6: What are the constituents of phloem?
Answer: Phloem is a complex permanent tissue made up of four types of elements:
- Sieve tubes
- Companion cells
- Phloem parenchyma
- Phloem fibres (These are the only dead cells in phloem)
Question 7: Name the tissue responsible for movement in our body.
Answer: Muscular tissue is responsible for movement in our body. It consists of elongated cells called muscle fibers that contain special contractile proteins.
Question 8: What does a neuron look like?
Answer: A neuron (nerve cell) looks like a miniature tree with a long tail. It consists of a cell body with a nucleus and cytoplasm, from which long, thin hair-like parts arise. It has a single long part called the axon, and many short, branched parts called dendrites.
Question 9: Give three features of cardiac muscles.
Answer: Cardiac muscles are the muscles of the heart. Their features are:
- They are involuntary (not under our conscious control).
- The muscle cells are cylindrical, branched, and uninucleate (have a single nucleus).
- They show rhythmic contraction and relaxation continuously throughout life without getting fatigued.
Question 10: What are the functions of areolar tissue?
Answer: Areolar connective tissue is found between the skin and muscles, around blood vessels and nerves, and in the bone marrow. Its main functions are:
- It fills the space inside the organs.
- It supports internal organs.
- It helps in the repair of tissues.
EXTRA IMPORTANT QUESTIONS (BOARD STYLE 2026)
Sirf NCERT questions kaafi nahi hain! Board exams ki perfect preparation ke liye, practice these ExamSpark top 15 questions.
Multiple Choice Questions (MCQs)
1. The flexibility in plants is due to which tissue?
a) Parenchyma
b) Collenchyma
c) Sclerenchyma
d) Chlorenchyma
Answer: (b) Collenchyma (Difficulty: Easy)
2. Which of the following tissues has dead cells?
a) Parenchyma
b) Sclerenchyma
c) Collenchyma
d) Epithelial tissue
Answer: (b) Sclerenchyma (Difficulty: Easy)
3. The girth of the stem or root increases due to:
a) Apical meristem
b) Cambium (Lateral meristem)
c) Intercalary meristem
d) Epidermis
Answer: (b) (Difficulty: Medium)
4. Intestine absorbs the digested food materials. What type of epithelial cells are responsible for that?
a) Stratified squamous epithelium
b) Columnar epithelium
c) Cuboidal epithelium
d) Spindle fibres
Answer: (b) Columnar epithelium (Difficulty: Medium)
5. Bone matrix is rich in:
a) Fluoride and Calcium
b) Calcium and Phosphorus
c) Calcium and Potassium
d) Phosphorus and Potassium
Answer: (b) Calcium and Phosphorus (Difficulty: Medium)
Short Answer Questions (2-3 Marks)
6. Differentiate between Meristematic and Permanent tissues.
Answer: Meristematic tissues are capable of cell division and help in plant growth, while Permanent tissues are mature, have lost the ability to divide, and perform specific functions.
7. Why is blood considered a connective tissue?
Answer: Blood is considered a connective tissue because it connects various organs of the body by transporting oxygen, nutrients, hormones, and waste materials. It has a fluid matrix called plasma.
8. State the difference between tendon and ligament.
Answer: Tendon connects muscles to bones and is tough and non-flexible. Ligament connects bone to bone and is very elastic and flexible. (Difficulty: Medium)
9. What is a stomata? State its functions.
Answer: Stomata are tiny pores present on the epidermis of leaves. Functions: 1) Exchange of gases (O2 and CO2). 2) Transpiration (loss of water in the form of water vapour).
Long Answer Questions (5 Marks)
10. Draw a well-labelled diagram of a Neuron and explain its function.
Answer: (Students should practice the neuron diagram from NCERT).
Function: The nervous tissue receives stimuli from the inside or outside of the body and conducts impulses (messages) rapidly from one part of the body to another to initiate a response. (Difficulty: Hard)
11. Explain the different types of Muscular tissues with their structures and locations.
Answer:
- Striated/Skeletal Muscle: Voluntary, cylindrical, unbranched, multinucleate. Attached to bones (legs, arms).
- Unstriated/Smooth Muscle: Involuntary, spindle-shaped, unbranched, uninucleate. Found in the iris, uterus, bronchi of lungs.
- Cardiac Muscle: Involuntary, cylindrical, branched, uninucleate. Found only in the heart. (Difficulty: Hard)
Case-Based Questions
12. Sneha touched a hot pan and immediately pulled her hand back.
a) Which tissue transmitted the message of heat to her brain? (Ans: Nervous tissue)
b) Which tissue helped her pull her hand back? (Ans: Muscular tissue)
c) Are the muscles in her arm voluntary or involuntary? (Ans: Voluntary / Striated muscles) (Difficulty: Medium)
13. A gardener notices that the tip of a plant was accidentally cut off. After a few days, the plant stopped growing in height but started becoming thicker.
a) Which tissue was removed when the tip was cut? (Ans: Apical meristem)
b) Which tissue is responsible for the plant becoming thicker? (Ans: Lateral meristem / Cambium) (Difficulty: Hard)
Assertion-Reason Questions
(Options: A- Both A & R are true and R is correct explanation. B- Both A & R are true but R is NOT correct explanation. C- A is true, R is false. D- A is false, R is true.)
14. Assertion (A): Sclerenchyma tissue provides mechanical strength to the plant.
Reason (R): Cells of sclerenchyma are dead and have thick walls made of lignin.
Answer: (A) Both are true, and R is the exact reason for A. (Difficulty: Medium)
15. Assertion (A): Xylem conducts food material in plants.
Reason (R): Xylem is a complex permanent tissue.
Answer: (D) A is false (Phloem conducts food, Xylem conducts water), but R is true. (Difficulty: Easy)
COMMON MISTAKES STUDENTS MAKE
Exam checker teachers ke mutabiq, Class 9 students tissues chapter mein ye galtiyan karte hain:
- Confusing Xylem and Phloem: Yaad rakhne ka best memory trick: Phloem transports Phood (Food). Xylem transports Jal (Water).
- Tendon vs Ligament mix-up: Memory Trick: "BulB" -> Bone to Ligament to Bone.
- Spelling Errors: Parenchyma, Collenchyma, Sclerenchyma ki spellings galat likhne se marks cut ho jate hain. Likh-likh kar practice karo!
- Skipping diagrams: Nervous tissue (Neuron) aur Muscular tissues ke diagrams highly important hain. Sirf theory padhna kaafi nahi hai.
EXAM PREPARATION TIPS
- Make Flowcharts: Plant tissues and animal tissues ka ek bada flowchart apni study table par laga lo. Visual memory bahut kaam aati hai.
- Write Differences in Tables: Hamesha differences (jaise Striated vs Non-striated, Bone vs Cartilage) table format mein likho.
- Last-Minute Revision: Focus only on the functions of different animal tissues and the components of Xylem/Phloem before the exam day.
Frequently Asked Questions
Q1: Is Chapter 3 Tissues hard for Class 9?
It is more about memorization than complex logic. If you use flowcharts and understand the categorization of plant and animal tissues, it becomes very easy and highly scoring.
Q2: Where can I get the NCERT PDF Download for Class 9 Science Chapter 3?
You can download the official NCERT textbook directly from ncert.nic.in, or use our ExamSpark annotated PDF link provided in the study materials section.
Q3: Which diagrams are most important in the Tissues chapter?
The most frequently asked diagrams in board exams are the Neuron (Nerve cell), types of muscular tissues, and the cross-section of a plant stem showing different tissues.
Q4: What is the difference between simple and complex plant tissues?
Simple permanent tissues are made up of only one type of cell (e.g., Parenchyma), whereas complex permanent tissues are made up of more than one type of cell working together (e.g., Xylem).
Q5: Are there any dead tissues in the human body?
Unlike plants, which have many dead tissues for mechanical support, almost all tissues in the human body are living. The outermost layer of our skin, hair, and nails contain dead keratinized cells.
CONCLUSION
Tissues chapter ek baar samajh aa gaya, toh aage ke chapters bahut smooth lagenge. Tissues combine hokar organs banate hain, aur organs milkar organ systems. Yeh sequence life ki foundation hai!
Revision regularly karte raho. Draw the flowcharts, practice the neuron diagram, and solve the CBSE Class 9 Science Chapter 3 PYQs we shared above. Download the ExamSpark Notes PDF, keep your confidence high, aur apne 2026 exams mein rock kar do!