BIOLOGY (IX) weekly Test

Week -1

                    BIOLOGY.             

Question 1(Any three) 1x3= 3

i) Sweat glands are present in __

ii) Dermis is made up of ___tissue.

iii) Inability to see in dimlight, due to deficiency of ______

Question 2.                          1x3= 3

Name the following:

i) Lump or mass of food that has been chewed and mixed with saliva.

ii) Cells of cornified layer are dead and made of a horny protein is called.

iii) The pigment which imparts skin its colour.

Question 3. (Any three) 2x3= 6

Define:

i) Balanced diet

ii) Peristalsis

iii) Melanin

iv) skin

Question 4.                             1x2=2

Write full form of:

i) BMR

ii) PEM

Question 5 (any two). 2x2= 4

i) Write two functions of skin

ii) Name the main classes of food

iii) Write two functions of Digestive system 

Question 6(Any One).         2x1= 2

i) Write 3 characteristics of enzymes

ii) Name 3 regions of Epidermis layer of skin.