Iqbal has to push a lighter box and Seema has to push a similar heavier
box on the same floor. Who will have to apply a larger force and why?
Match the column (A) with the column (B)
(A) (B)
(a) Fluid connective tissue (i) Subcutaneous layer
(b) Filling of space inside the organs (ii) Cartilage
(c) Striated muscle (iii) Skeletal muscle
(d) Adipose tissue (iv) Areolar tissue
(e) Surface of joints (v) Blood
(f) Stratified squamous epithelium (vi) Skin
You spill a bucket of soapy water on a marble floor accidently. Would it
make it easier or more difficult for you to walk on the floor? Why?
Suppose your writing desk is tilted a little. A book kept on it starts sliding
down. Show the direction of frictional force acting on it.
Animals of colder regions and fishes of cold water have thicker layer of subcutaneous fat. Describe why?
The water conducting tissue generally present in gymnosperm is
(a) vessels
(b) sieve tube
(c) tracheids
(d) xylem fibres
Alida runs her toy car on dry marble floor, wet marble floor, newspaper
and towel spread on the floor. The force of friction acting on the car on
different surfaces in increasing order will be
(a) wet marble floor, dry marble floor, newspaper and towel.
(b) newspaper, towel, dry marble floor, wet marble floor.
(c) towel, newspaper, dry marble floor, wet marble floor.
(d) wet marble floor, dry marble floor, towel, newspaper
Choose the wrong statement
(a) The nature of 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
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