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Tuesday, 22 December 2020

Std 6 Biology First Semester 2020

 

Enfant India International School

Class 6             Sub Biology      Marks 40

  

Instruction : This question paper has two sections .section A and section B each of 2 Marks.

Section A (20 marks)

Attempt all questions

Question 1.

a.    Multiple choice questions                                                                                   5×1

i.              The leaves are attached to the stem at

(a)  Petiole (b) Node (c) Spine (d) Internode

ii.            The arrangement of veins in the lamina is called

(a)  Venation (b) Transpiration (c) Pollination (d) Fixation

iii.           Cell was discovered by

(a)  Robert Brown (b) Robert Hooke (c) Leeuwenhoek (d) Darwin

iv.           Cell wall is made up of

(a)  Lipid and Protein (b) Lipid only (c) Cellulose (d) Starch

v.            The smallest cell of human body is

(a)  Nerve cell (b) Red blood cells (c) Muscle cell (d) white blood cells   

b.    Fill in the blanks                                                                                                  5×1

i.              Bile is stored in.............

ii.            Seeds develop from.................

iii.           Apple is an example of .................fruit.

iv.           Organism formed of one cell only are called .............organism.

v.            Digestion of starch starts from.............           

c.    Give one word for the followings                                                                       5×1

i.              Flowers having both male and female reproductive parts.

ii.            Single unit of male reproductive whorl of flower.

iii.           The swollen tip of the pedicel of flower.

iv.           The mature ovule that contains the embryo .

v.            A ripened ovary .         

d.    State the followings are true or false                                                                5×1

i.              Saliva changes starch into sugar.

ii.            Bile is produced by gall bladder.

iii.           Cell wall is found in animal cells only.

iv.           Rose leaf is simple leaf.

v.            Mango leaves have parallel venation.