Q 3 – Find out the incorrect sentences. (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 their early stage, lack vacuoles
(c) Apical and intercalary meristems are permanent tissues
Q 4 – 2. Bone is important to the body since it: (a) Transports gases and nutrients within the body. (b) Acts as a fat reservoir. (c) Fills up the space inside organs. (d) Gives a well-defined shape to the body.
Q 6 – Lysosomes function as the digestive system of the cell. It is also called the suicide bag of the cell because: (a) It causes any cell to commit suicide (b) Its enzymes digest the cell itself (c) Its enzymes kill surrounding cells (d) All of the above
Q 11 – A person met with an accident in which two long bones of the 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
Q 12 – 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.
Q 15 – In an emergency, which tissue helps in making quick decisions after analyzing the situation? (a) Epithelial tissue (b) Nervous tissue (c) Muscular tissue (d) Connective tissue
Q 16 – Meristematic tissues in plants are (a) localised and permanent (b) not limited Lo certain regions (c) localised and dividing cells (d) growing in volume
Q 19 – Select the incorrect sentence. (a) Blood has a matrix containing proteins, salts and hormones (b) Two bones are connected by a ligament (c) Tendons are non-fibrous tissue and fragile (d) Cartilage is a form of connective tissue
Q 27 – Which of the following helps in the repair of tissue and fills up the space inside the organ? (a) Tendon (b) Adipose tissue (c) Areolar (d) Cartilage.
Q 35 – A nail is inserted in the trunk of a tree at a height of 1 metre 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
Q 39 – Survival of plants in the terrestrial environments has been made possible by the presence of (a) intercalary meristem (b) conducting tissue (c) apical meristem (d) parenchymatous tissue
Q 40 – 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
Q 44 – Survival of plants in the terrestrial environments has been made possible by the presence of (a) intercalary meristem (b) conducting tissue (c) apical meristem (d) parenchymatous tissue
Q 45 – A tissue is a: (a) Group of separate organs that are coordinated in their activities (b) Group of similar cells that function together in a specialised activity (c) Layer of cells surrounding an organ (d) Sheet of cells, one layer thick
Q 50 – Epithelial tissue always has an exposed outer surface and an inner surface anchored to connective tissue by a thin, noncellular structure called the (a) Nonstratified layer (b) Stratified layer (c) Basement membrane (d) Fibroblast.
Q 55 – During a performance, if a dancer wants to stop her dancing, which muscles will execute this decision? (a) Striated (b) Smooth (c) Cardiac (d) Involuntary
Q 57 – Endothelium of the inner surface of blood vessels in vertebrates is formed (a) Simple squamous epithelium (b) Columnar epithelium (c) Cuboidal epithelium (d) Ciliated cells
Q 59 – The plant tissue which provides mechanical strength and consists of living cells, is (a) parenchyma (b) aerenchyma (c) collenchyma (d) sclerenchyma
(c) collenchyma
Q 60 – Intestine absorbs the digested food materials. What type of epithelial cells is responsible for that? (a) Stratified squamous epithelium (b) Columnar epithelium (c) Spindle fibres (d) Cuboidal epithelium
Q 65 – The mineral elements found in our bone making it hard, are (a) sodium and calcium (b) calcium and phosphorus (c) phosphorus and sodium (d) sodium and potassium
Q 66 – The conducting cells of the xylem are (a) tracheids and xylem fibres (b) vessels and xylem fibres (c) tracheids and vessels (d) vessels and sieve tube
Q 72 – The contraction of muscle tissue is carried out by the action of (a) Actin and myosin (b) Actin and relaxin (c) Fibrin and relaxin (d) Secretin and myosin