Fill in the Blanks | Multiple Choice Questions (MCQs) | Board Examination Questions | Short Theory Questions
1. ______ tissue provides mechanical support to plants.
Answer: Sclerenchyma
2. ______ is the most abundant tissue in human body.
Answer: Connective tissue
3. ______ cells are responsible for photosynthesis in leaves.
Answer: Parenchyma
4. The tissue responsible for movement in our body is ______ tissue.
Answer: Muscular
5. ______ tissue forms the covering of blood vessels.
Answer: Epithelial
6. ______ is the tissue responsible for secondary growth in plants.
Answer: Meristematic
7. ______ tissue helps in transportation of water in plants.
Answer: Xylem
8. ______ is the tissue that stores fat in our body.
Answer: Adipose
9. ______ tissue transports food materials in plants.
Answer: Phloem
10. ______ is the longest cell in animal body.
Answer: Nerve cell
11. The ______ tissue is responsible for making fruits fleshy.
Answer: Parenchyma
12. ______ cells in phloem are living cells without nuclei.
Answer: Sieve tube
13. ______ tissue is found at the growing tips of roots.
Answer: Meristematic
14. The ______ helps in the movement of small molecules across epithelial tissue.
Answer: Basement membrane
15. ______ tissue is responsible for wound healing in animals.
Answer: Areolar
16. The ______ in plant cells provides mechanical strength.
Answer: Cell wall
17. ______ tissue is found in the inner lining of blood vessels.
Answer: Simple squamous epithelium
18. The ______ present in muscle cells helps in contraction.
Answer: Actin and myosin
19. ______ cells are specialized for photosynthesis in leaves.
Answer: Palisade
20. The ______ tissue forms the outer protective covering in plants.
Answer: Epidermis
1. Which of these is a permanent tissue?
a) Apical meristem
b) Parenchyma
c) Lateral meristem
d) Intercalary meristem
Answer: b) Parenchyma
2. Which tissue is responsible for wound healing in plants?
a) Collenchyma
b) Sclerenchyma
c) Meristematic tissue
d) Parenchyma
Answer: c) Meristematic tissue
3. Blood is an example of:
a) Epithelial tissue
b) Connective tissue
c) Muscular tissue
d) Nervous tissue
Answer: b) Connective tissue
4. Which tissue provides flexibility in plants?
a) Parenchyma
b) Collenchyma
c) Sclerenchyma
d) Xylem
Answer: b) Collenchyma
5. Cardiac muscles are:
a) Voluntary and striated
b) Involuntary and striated
c) Voluntary and non-striated
d) Involuntary and non-striated
Answer: b) Involuntary and striated
6. Which tissue forms the bark of a tree?
a) Xylem
b) Phloem
c) Cork
d) Pith
Answer: c) Cork
7. Neurons are present in:
a) Epithelial tissue
b) Connective tissue
c) Muscular tissue
d) Nervous tissue
Answer: d) Nervous tissue
8. Which of these is not a type of epithelial tissue?
a) Squamous
b) Cuboidal
c) Columnar
d) Adipose
Answer: d) Adipose
9. Companion cells are associated with:
a) Xylem vessels
b) Phloem sieve tubes
c) Sclerenchyma
d) Collenchyma
Answer: b) Phloem sieve tubes
10. Which tissue helps in repair of bone fractures?
a) Cartilage
b) Blood
c) Bone marrow
d) Tendons
Answer: a) Cartilage
11. Which of these is a characteristic of meristematic tissue?
a) Thick cell walls
b) Active cell division
c) Large vacuoles
d) Dead cells
Answer: b) Active cell division
12. The tissue that makes up the cork cells is:
a) Parenchyma
b) Collenchyma
c) Sclerenchyma
d) Aerenchyma
Answer: c) Sclerenchyma
13. Which tissue is responsible for secondary growth in stems?
a) Apical meristem
b) Cambium
c) Ground tissue
d) Epidermis
Answer: b) Cambium
14. The tissue that stores water in xerophytic plants is:
a) Aerenchyma
b) Chlorenchyma
c) Collenchyma
d) Parenchyma
Answer: d) Parenchyma
15. Which of these is not a function of epithelial tissue?
a) Protection
b) Secretion
c) Transportation of blood
d) Absorption
Answer: c) Transportation of blood
16. Smooth muscle tissue is found in:
a) Heart
b) Skeletal muscles
c) Blood vessels
d) Biceps
Answer: c) Blood vessels
17. The tissue that connects muscle to bone is:
a) Ligament
b) Tendon
c) Cartilage
d) Areolar tissue
Answer: b) Tendon
18. Which tissue is responsible for storing excess fat?
a) Areolar tissue
b) Adipose tissue
c) Blood tissue
d) Bone tissue
Answer: b) Adipose tissue
19. The tissue present in the brain is:
a) Epithelial tissue
b) Muscular tissue
c) Nervous tissue
d) Connective tissue
Answer: c) Nervous tissue
20. Which of these helps in repair of damaged plant tissue?
a) Permanent tissue
b) Ground tissue
c) Meristematic tissue
d) Vascular tissue
Answer: c) Meristematic tissue
1. Describe the structure and functions of different types of epithelial tissues.
Answer: Types and Functions: 1. Squamous epithelium: Single layer of flat cells for filtration and diffusion 2. Cuboidal epithelium: Cube-shaped cells for secretion and absorption 3. Columnar epithelium: Tall cells for secretion and absorption 4. Ciliated epithelium: Has hair-like projections for movement of particles 5. Stratified epithelium: Multiple layers for protection
2. Compare and contrast different types of muscular tissues.
Answer: 1. Striated muscles: Voluntary, striped appearance, skeletal muscles 2. Smooth muscles: Involuntary, no striations, found in internal organs 3. Cardiac muscles: Involuntary, striated, only in heart Key differences: – Control (voluntary/involuntary) – Structure (striated/non-striated) – Location – Function
3. Explain the types and functions of meristematic tissue in plants.
Answer: Types: 1. Apical meristem: Present at tips of roots and shoots 2. Lateral meristem: Present along sides of stems and roots 3. Intercalary meristem: Present at nodes Functions: 1. Primary growth 2. Secondary growth 3. Elongation of internodes 4. Formation of leaves and flowers
4. Describe the structure and function of xylem and phloem tissue.
Answer: Xylem: 1. Components: Vessels, tracheids, xylem parenchyma 2. Function: Water and mineral transport Phloem: 1. Components: Sieve tubes, companion cells 2. Function: Food transport Both tissues form vascular bundles and are essential for plant survival
5. Explain different types of connective tissues with their functions.
Answer: Types: 1. Loose connective tissue: Packing and support 2. Dense connective tissue: Tendons and ligaments 3. Blood: Transport of materials 4. Bone: Support and protection 5. Cartilage: Smooth movement of joints 6. Adipose tissue: Fat storage
1. Explain why plants need different types of permanent tissues.
Answer: Plants need different permanent tissues for specific functions: 1. Support and strength (sclerenchyma) 2. Storage and packaging (parenchyma) 3. Flexibility (collenchyma) 4. Transport (vascular tissues) 5. Protection (epidermis)
2. Describe the role of nervous tissue in coordination.
Answer: Nervous tissue: 1. Consists of neurons 2. Conducts nerve impulses 3. Enables quick responses 4. Coordinates body activities 5. Processes information from environment
3. Explain the importance of blood as a connective tissue.
Answer: Blood’s importance: 1. Transport of oxygen and nutrients 2. Removal of waste products 3. Disease resistance 4. Temperature regulation 5. Wound healing
4. Describe how plant tissues are organized in leaves.
Answer: Leaf tissue organization: 1. Upper epidermis for protection 2. Palisade parenchyma for photosynthesis 3. Spongy parenchyma for gas exchange 4. Vascular bundles for transport 5. Lower epidermis with stomata
5. Explain the structure and function of cardiac muscle tissue.
Answer: Cardiac muscle: 1. Branched structure 2. Involuntary control 3. Contains intercalated discs 4. Works continuously 5. Highly resistant to fatigue
6. Explain the role of different types of meristematic tissues in plant growth.
Answer: Meristematic tissues: 1. Apical meristem – Primary growth 2. Lateral meristem – Secondary growth 3. Intercalary meristem – Elongation 4. Ground meristem – Formation of ground tissues 5. Procambium – Formation of vascular tissues
7. Describe the importance of intercellular spaces in different plant tissues.
Answer: Importance of intercellular spaces: 1. Gas exchange in spongy parenchyma 2. Buoyancy in aquatic plants 3. Aeration in roots 4. Storage of air in aerenchyma 5. Facilitation of rapid diffusion
8. Explain the differences between simple and complex permanent tissues in plants.
Answer: Differences: 1. Simple tissues: One type of cells (parenchyma, collenchyma, sclerenchyma) 2. Complex tissues: Multiple types of cells (xylem, phloem) 3. Simple tissues have similar functions 4. Complex tissues perform multiple functions 5. Different developmental origins
9. Describe the adaptations of epithelial tissue for its function.
Answer: Adaptations: 1. Closely packed cells for protection 2. Presence of basement membrane 3. Fast regeneration capability 4. Specialized cell junctions 5. Different shapes according to function
10. Explain the structure and function of different types of connective tissue matrices.
Answer: Matrix types: 1. Fluid matrix in blood 2. Dense fibrous matrix in tendons 3. Calcified matrix in bones 4. Soft matrix in cartilage 5. Loose matrix in areolar tissue
11. Describe the role of specialized junctions in different tissues.
Answer: Specialized junctions: 1. Tight junctions for sealing 2. Gap junctions for communication 3. Desmosomes for strength 4. Plasmodesmata in plant cells 5. Intercalated discs in cardiac muscle
12. Explain the process of tissue repair and regeneration.
Answer: Tissue repair process: 1. Inflammation response 2. Cell proliferation 3. Matrix deposition 4. Tissue remodeling 5. Return to normal function
13. Describe the structural adaptations of muscular tissue for movement.
Answer: Adaptations: 1. Contractile proteins 2. Abundant mitochondria 3. Specialized membrane systems 4. Myofibrils arrangement 5. Nerve connections
14. Explain the role of supporting tissues in plants.
Answer: Supporting tissues: 1. Mechanical support 2. Protection of soft tissues 3. Maintaining plant shape 4. Resistance to environmental stress 5. Support for growth and development
15. Describe the organization of tissues in a leaf.
Answer: Leaf tissue organization: 1. Epidermis with cuticle 2. Palisade parenchyma 3. Spongy parenchyma 4. Vascular bundles 5. Guard cells and stomata
16. Explain the importance of cell differentiation in tissue formation.
Answer: Importance: 1. Specialized function development 2. Tissue organization 3. Organ formation 4. System efficiency 5. Adaptation to specific roles
17. Describe the role of tissues in plant defense.
Answer: Defense roles: 1. Thick epidermis for protection 2. Trichomes as barriers 3. Sclerenchyma for toughness 4. Cork formation 5. Secretory tissues for chemicals
18. Explain the relationship between tissue structure and function in animals.
Answer: Structure-function relationship: 1. Cell shape adaptations 2. Specialized organelles 3. Specific protein expression 4. Membrane modifications 5. Cellular organization
19. Describe the role of tissues in plant growth and development.
Answer: Roles in growth: 1. Cell division in meristems 2. Elongation and expansion 3. Differentiation 4. Secondary growth 5. Organ formation
20. Explain the importance of tissue organization in organ systems.
Answer: Importance: 1. Functional efficiency 2. Coordinated activities 3. Resource optimization 4. Structural support 5. System integration