Class 9th Biology: Tissues (Complete Practice Quiz, NCERT Exemplar & Detailed Explanations)

Class 9th Biology — Chapter 2

Tissues (Complete Practice Quiz & Solutions)

Part A: Multiple Choice Questions (बहुविकल्पीय प्रश्न)

Q1. A simple permanent tissue with pectin deposited wall is:
(पेक्टिन जमाव वाली भित्ति वाला एक सरल स्थायी ऊतक है:)

💡 Explanation: Collenchyma cells are living cells characterized by extra localized deposition of pectin and cellulose at their corners[cite: 5].

Q2. Which of the following tissues provides mechanical strength to plants?
(निम्नलिखित में से कौन सा ऊतक पौधों को यांत्रिक शक्ति प्रदान करता है?)

💡 Explanation: Sclerenchyma consists of dead, thick-walled cells impregnated with lignin, giving maximum mechanical strength[cite: 5].

Q3. Cells which are thickened with lignin are called:
(लिग्निन से स्थूलित कोशिकाओं को कहा जाता है:)

💡 Explanation: Lignin acts as a chemical cement in sclerenchyma tissues[cite: 5].

Q4. The characteristics of cardiac muscles are:
(हृदय पेशियों (cardiac muscles) की विशेषताएँ हैं:)

💡 Explanation: Cardiac muscles are structurally striated but functionally involuntary, making them unique[cite: 5].

Q5. Striped muscle fibres are:
(रेखित पेशी तंतु होते हैं:)

💡 Explanation: Striped (skeletal) muscles can be moved by conscious will, hence voluntary[cite: 5].

Q6. Bases of leaves and internodes have:
(पत्तियों के आधार और पर्वों (internodes) में पाया जाता है:)

💡 Explanation: Intercalary meristems are situated at internodes and base of leaves, aiding elongation[cite: 5].

Q7. Which of the following cells is dead?
(निम्नलिखित में से कौन सी कोशिका मृत होती है?)

💡 Explanation: Sclerenchyma cells lack protoplasm at maturity, making them dead[cite: 5].

Q8. Cambium is an example of:
(कैम्बियम किसका उदाहरण है?)

💡 Explanation: Lateral meristem (vascular cambium and cork cambium) causes growth in girth[cite: 5].

Q9. Nucleus is not present in:
(केंद्रक किसमें उपस्थित नहीं होता है?)

💡 Explanation: Mature human Red Blood Cells (RBCs) lack a nucleus to accommodate more hemoglobin[cite: 5].

Q10. Increase in the length of the plant is caused by:
(पौधे की लंबाई में वृद्धि किसके द्वारा होती है?)

💡 Explanation: Apical meristem located at shoot and root tips increases primary plant length[cite: 5].

Q11. Cork cambium is an example of:
(कॉर्क कैम्बियम उदाहरण है:)

💡 Explanation: Cork cambium is a secondary lateral meristem responsible for bark formation[cite: 5].

Q12. Tissue is defined as:
(ऊतक को किस प्रकार परिभाषित किया जाता है?)

💡 Explanation: A tissue is a cluster of structurally similar cells performing a unified function[cite: 5].

Q13. Sieve tubes and companion cells occur in:
(चालनी नलिकाएं (Sieve tubes) और सह-कोशिकाएं किसमें पाई जाती हैं?)

💡 Explanation: Sieve tubes and companion cells are essential conducting elements of phloem tissue[cite: 5].

Q14. Cytoplasm of muscle cell is called:
(पेशी कोशिका के कोशिकाद्रव्य को क्या कहा जाता है?)

💡 Explanation: The cytoplasm of muscle fibers is specialized and called sarcoplasm[cite: 5].

Q15. The number of nuclei present in striped muscle fibre is:
(रेखित पेशी तंतु में केंद्रकों की संख्या होती है:)

💡 Explanation: Striped (skeletal) muscle fibers are multinucleate (syncytial)[cite: 5].

Q16. The tail-like, cylindrical process of a neuron is called:
(तंत्रिका कोशिका का लंबा, बेलनाकार प्रवर्ध कहलाता है:)

💡 Explanation: The single long fiber carrying impulses away from neuron cyton is the axon[cite: 5].

Q17. Ligaments connect:
(स्नायु (Ligaments) किसे जोड़ते हैं?)

💡 Explanation: Ligaments connect bones to bones, while tendons connect muscles to bones[cite: 5].

Q18. Tendons and ligaments are types of:
(कंडरा (Tendons) और स्नायु (Ligaments) किसके प्रकार हैं?)

💡 Explanation: Tendons and ligaments are dense fibrous connective tissues[cite: 5].

Q19. The cells that are involved in the clotting of blood:
(रक्त का थक्का जमाने वाली कोशिकाएं हैं:)

💡 Explanation: Blood platelets (thrombocytes) help prevent excess bleeding by coagulation[cite: 5].

Q20. Which muscle cells never get tired?
(कौन सी पेशी कोशिकाएं कभी नहीं थकती हैं?)

💡 Explanation: Cardiac muscles work continuously and rhythmically without fatigue throughout life[cite: 5].

Q21. In cork cells, the cell wall is:
(कॉर्क कोशिकाओं की कोशिका भित्ति होती है:)

💡 Explanation: Cork cells possess suberin in their walls, making them impervious to water and gases[cite: 5].

Q22. Cartilage and bone are types of:
(उपास्थि (Cartilage) और अस्थि (Bone) किसके प्रकार हैं?)

💡 Explanation: Bone and cartilage form skeletal connective tissue[cite: 5].

Q23. Ravi was observing a permanent slide of cartilage under a microscope. Name the tissue:
(रवि उपास्थि की स्लाइड देख रहा था। यह किस प्रकार का ऊतक है?)

💡 Explanation: Cartilage is a specialized connective tissue with a solid extracellular matrix[cite: 5].

Q24. Identify parenchyma on the basis of description given below:
(नीचे दिए गए विवरण के आधार पर पैरेन्काइमा की पहचान करें:)

💡 Explanation: Parenchyma comprises thin-walled living cells with unthickened cellulose walls[cite: 5].

Q25. If you observe the muscular tissue of urinary bladder you will observe:
(मूत्राशय के पेशी ऊतक में आप क्या देखेंगे?)

💡 Explanation: Involuntary organs like the urinary bladder contain smooth (unstriated) muscles[cite: 5].

Q26. In transverse section, parenchymatous cells show:
(अनुप्रस्थ काट में पैरेन्काइमी कोशिकाएं दर्शाती हैं:)

💡 Explanation: Parenchyma cells appear rounded/isodiametric with intercellular spaces[cite: 5].

Q27. One of the following is modification of parenchyma:
(निम्नलिखित में से कौन पैरेन्काइमा का रूपांतरण है?)

💡 Explanation: Parenchyma containing chlorophyll for photosynthesis is called chlorenchyma[cite: 5].

Q28. Striated muscles are:
(रेखित पेशियां होती हैं:)

💡 Explanation: Skeletal striated muscle fibers are long, unbranched cylinders with multiple nuclei[cite: 5].

Q29. Dendrites are found in:
(द्रुमाश्य (Dendrites) किसमें पाए जाते हैं?)

💡 Explanation: Dendrites are branching cytoplasmic extensions of a nerve cell (neuron)[cite: 5].

Q30. The cell body of a nerve cell contains a nucleus and cytoplasm and is called the:
(तंत्रिका कोशिका के केंद्रक और कोशिकाद्रव्य युक्त भाग को कहा जाता है:)

💡 Explanation: The neuron cell body is termed cyton or soma[cite: 5].

Q31. Spinal cord and brain are made of:
(मेरुरज्जु और मस्तिष्क बने होते हैं:)

💡 Explanation: Central Nervous System (Brain and Spinal cord) is composed of nervous tissue[cite: 5].

Q32. Which level of organization is responsible for coordination of body functions, such as nervous system?
(शारीरिक कार्यों के समन्वय के लिए कौन सा स्तर जिम्मेदार है?)

💡 Explanation: Multiple organs work together as an organ system for coordination[cite: 5].

Q33. Which of the following is an example of an organ system?
(निम्नलिखित में से कौन सा अंग तंत्र का उदाहरण है?)

💡 Explanation: Digestive system consists of stomach, intestine, liver, etc., forming a full system[cite: 5].

Q34. In malaria, the blood smear usually shows:
(मलेरिया में रक्त की जांच आमतौर पर क्या दर्शाती है?)

💡 Explanation: Plasmodium ruptures RBCs causing hemolytic anemia and reduced platelets[cite: 5].

Q35. In iron deficiency anaemia, red blood cells typically appear:
(आयरन की कमी से होने वाले एनीमिया में RBCs दिखाई देती हैं:)

💡 Explanation: Iron deficiency causes small size (microcytic) and pale color (hypochromic) in RBCs[cite: 5].

Q36. The platelet count in dengue usually reaches its lowest point during which phase?
(डेंगू में प्लेटलेट की संख्या सबसे कम किस चरण में पहुँचती है?)

💡 Explanation: Plasma leakage and peak platelet destruction occur during days 4–7[cite: 5].

Q37. Which type of joint does not allow any movement?
(किस प्रकार का जोड़ कोई गति नहीं होने देता?)

💡 Explanation: Fibrous joints (like skull sutures) are fixed and immovable[cite: 5].

Q38. Which type of joint is found between skull bones?
(खोपड़ी की हड्डियों के बीच कौन सा जोड़ पाया जाता है?)

💡 Explanation: Sutures between cranial bones are immovable fibrous joints[cite: 5].

Q39. Which of the following is a function of cartilage?
(निम्नलिखित में से कौन सा उपास्थि का कार्य है?)

💡 Explanation: Cartilage smooths bone surfaces at joints to reduce friction[cite: 5].

Q40. Which cells are responsible for breaking down bone tissue?
(अस्थि ऊतक को तोड़ने/पुनर्अवशोषित करने के लिए कौन सी कोशिकाएं जिम्मेदार हैं?)

💡 Explanation: Osteoclasts break down bone matrix, whereas osteoblasts build bone[cite: 5].

Q41. Which of the following is a primary benefit of Yoga for posture?
(मुद्रा/आसन के लिए योग का प्राथमिक लाभ क्या है?)

💡 Explanation: Yoga strengthens core muscles and enhances flexibility of the spine[cite: 5].

Q42. The technique developed by Guha and Maheshwari allowed for the direct development of embryos from:
(गुहा और माहेश्वरी द्वारा विकसित तकनीक ने किससे सीधे भ्रूण विकास की अनुमति दी?)

💡 Explanation: Guha and Maheshwari discovered haploid plant production through pollen grain/microspore culture[cite: 5].

Q43. In an experiment to observe primary growth, where are apical meristems located?
(प्राथमिक वृद्धि के प्रयोग में शीर्षस्थ विभज्योतक कहाँ स्थित होते हैं?)

💡 Explanation: Apical meristems are always present at growing tips of roots and stems[cite: 5].

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Part B: NCERT Exemplar Questions

Q1 (Exemplar). Which of the following tissues has dead cells?

💡 Explanation: Sclerenchyma cells are dead and possess thick lignified walls[cite: 5].

Q2 (Exemplar). Girth of stem increases due to:

💡 Explanation: Secondary growth in diameter/girth occurs due to lateral meristem (cambium)[cite: 5].

Q3 (Exemplar). A person met with an accident in which two long bones of his hand were dislocated. Possible reason?

💡 Explanation: Ligaments hold two bones together at a joint; tearing them causes bone dislocation[cite: 5].

Q4 (Exemplar). While running, you move your organs like hands, legs. Which statement is correct?

💡 Explanation: Skeletal muscles pull tendons attached to bones to execute voluntary movement[cite: 5].

Q5 (Exemplar). Which muscles act involuntarily?
(i) Striated muscles    (ii) Smooth muscles
(iii) Cardiac muscles    (iv) Skeletal muscles

💡 Explanation: Smooth muscles and cardiac muscles function automatically without conscious control[cite: 5].

Q6 (Exemplar). Which is NOT a function of epidermis?

💡 Explanation: Conduction of water is performed by xylem, not epidermal cells[cite: 5].

Q7 (Exemplar). Select the incorrect sentence:

💡 Explanation: Tendons are dense fibrous tissues with great strength and limited flexibility[cite: 5].

Q8 (Exemplar). Cartilage is NOT found in:

💡 Explanation: Kidneys consist of nephrons and vascular/connective structures, not cartilage[cite: 5].

Q9 (Exemplar). Bone matrix is rich in:

💡 Explanation: Hard bone matrix is composed mainly of calcium phosphate compounds[cite: 5].

Q10 (Exemplar). Contractile proteins are found in:

💡 Explanation: Actin and myosin are contractile proteins in muscle tissue that cause movement[cite: 5].

Q11 (Exemplar). Nervous tissue is NOT found in:

💡 Explanation: Tendons are fibrous connective tissues, not nervous tissue[cite: 5].

Q12 (Exemplar). Nerve cell does NOT contain:

💡 Explanation: Tendons belong to the connective tissue system, not individual nerve cells[cite: 5].

Q13 (Exemplar). Muscular tissue which functions continuously without fatigue is:

💡 Explanation: Cardiac muscles perform rhythmic contraction lifelong without resting[cite: 5].

Q14 (Exemplar). Which cell is found in cartilaginous tissue?

💡 Explanation: Chondrocytes are the cells embedded in the matrix of cartilage[cite: 5].

Q15 (Exemplar). The dead element present in the phloem is:

💡 Explanation: Phloem fibers (bast fibers) are sclerenchymatous dead components of phloem[cite: 5].

Q16 (Exemplar). Which of the following does NOT lose nucleus at maturity?

💡 Explanation: Companion cells maintain active living nuclei to control adjacent sieve tubes[cite: 5].

Q17 (Exemplar). In desert plants, rate of water loss gets reduced due to:

💡 Explanation: A thick waxy coating of cutin (cuticle) prevents water loss in xerophytes[cite: 5].

Q18 (Exemplar). Tissue helping in sideways conduction of water in tree branches:

💡 Explanation: Xylem vessels and ray parenchyma assist sideways lateral conduction[cite: 5].

Q19 (Exemplar). Sugarcane tip removal doesn't stop length growth due to:

💡 Explanation: Intercalary meristems present at internodes continue elongation growth[cite: 5].

Q20 (Exemplar). A nail inserted in tree trunk at 1m height after 3 years will:

💡 Explanation: Length growth occurs only at apical tips; lower trunk parts expand only in girth[cite: 5].

Q21 (Exemplar). Parenchyma cells are:

💡 Explanation: Parenchyma forms basic unspecialized primary tissue[cite: 5].

Q22 (Exemplar). Flexibility in plants is due to:

💡 Explanation: Collenchyma allows bending of stems and leaves without breaking[cite: 5].

Q23 (Exemplar). Cork cells are made impervious to water/gases by:

💡 Explanation: Suberin deposition seals cork cells[cite: 5].

Q24 (Exemplar). Survival of plants in terrestrial environments was made possible by:

💡 Explanation: Vascular bundles (Xylem/Phloem) enabled land adaptation[cite: 5].

Q25 (Exemplar). Choose the WRONG statement:

💡 Explanation: Epithelial cells are tightly packed almost without intercellular spaces[cite: 5].

Q26 (Exemplar). Find out INCORRECT sentence:

💡 Explanation: Apical and intercalary meristems are MERISTEMATIC tissues, not permanent[cite: 5].

Q27 (Exemplar). Which cell does NOT have a perforated cell wall?

💡 Explanation: Tracheids have pitted closed ends rather than open perforation plates[cite: 5].

Q28 (Exemplar). Intestine absorbs digested food materials. What type of epithelial cells are responsible?

💡 Explanation: Tall columnar epithelial cells facilitate absorption and secretion[cite: 5].

Q29 (Exemplar). Meristematic tissues in plants are:

💡 Explanation: Meristems are localized in specific regions and divide continuously[cite: 5].

Q30 (Exemplar). Fats are stored in human body as:

💡 Explanation: Adipose connective tissue stores fat droplets below skin[cite: 5].

Q31 (Exemplar). Voluntary muscles are found in:

💡 Explanation: Limbs contain voluntary skeletal muscles[cite: 5].

Q32 (Exemplar). Which tissue fills space inside organs and helps in repair?

💡 Explanation: Areolar connective tissue acts as packing tissue and aids repair[cite: 5].

Q33 (Exemplar). Water conducting tissue generally present in gymnosperms is:

💡 Explanation: Gymnosperms lack true xylem vessels; tracheids do water transport[cite: 5].

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Part C: Assertion and Reason Questions

Directions:
(a) Both A and R are true and R is correct explanation of A.
(b) Both A and R are true but R is NOT correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.

Q1 (A/R).
Assertion (A): Group of tissues of different types work in harmony to form organs.
Reason (R): Tissue is a cluster of cells at a definite place performing a special function.

💡 Explanation: Both statements are true, but R defines tissue, it doesn't explain organ formation mechanism[cite: 5].

Q2 (A/R).
Assertion (A): Tissues give the highest possible efficiency of function.
Reason (R): Tissues bring about division of labour in multicellular organisms.

💡 Explanation: Specialization (division of labor) increases overall body efficiency[cite: 5].

Q3 (A/R).
Assertion (A): Parenchyma tissues are most basic and non-living.
Reason (R): Parenchyma cells have large intercellular space.

💡 Explanation: Assertion is false because Parenchyma is LIVING tissue[cite: 5].

Q4 (A/R).
Assertion (A): Meristematic tissues consist of active dividing cells.
Reason (R): These cells help plant grow in length and girth.

💡 Explanation: Active division in meristems drives plant growth[cite: 5].

Q5 (A/R).
Assertion (A): Collenchyma tissues are living with angular elongated cells.
Reason (R): Intercellular spaces are almost absent in collenchyma.

💡 Explanation: Both are independent true statements about collenchyma[cite: 5].

Q6 (A/R).
Assertion (A): Xylem tissues are main complex tissues of plant.
Reason (R): They are used to transport food and solute through plant body.

💡 Explanation: Assertion is true, but Reason is false because Xylem transports water and minerals, not food[cite: 5].

Q7 (A/R).
Assertion (A): Epithelial tissue acts as a barrier to keep body systems separate.
Reason (R): They provide a supporting framework to body.

💡 Explanation: Supporting framework is given by connective tissue (bones/cartilage), not epithelium[cite: 5].

Q8 (A/R).
Assertion (A): Areolar tissues are most widely distributed connective tissue.
Reason (R): These tissues check displacement/injury under stress.

💡 Explanation: Both statements are true features of loose areolar connective tissue[cite: 5].

Q9 (A/R).
Assertion (A): Bone is the hardest living connective tissue in the body.
Reason (R): Bone consists of matrix that contains osteocytes.

💡 Explanation: Both are true, but hardness is due to calcium/phosphorus salts, not presence of cells alone[cite: 5].

Q10 (A/R).
Assertion (A): Blood is liquid connective tissue.
Reason (R): Blood plasma in the blood is mostly solid.

💡 Explanation: Reason is false because plasma is 90% liquid water[cite: 5].

Q11 (A/R).
Assertion (A): Smooth muscles are spindle shaped and uninucleate.
Reason (R): They make up the body of many visceral organs.

💡 Explanation: Both are factual correct statements about involuntary smooth muscles[cite: 5].

Q12 (A/R).
Assertion (A): Nervous tissue is specialised for receiving and transmitting messages.
Reason (R): It is composed of neurons that receive and conduct impulses.

💡 Explanation: Presence of impulse-conducting neurons enables signal transmission function[cite: 5].