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STD 7 Sci practice for ch 11 & 12

Total questions: 27

Worksheet time: 14mins

Name
Class
Date
1.

Through Which System Is the Wastes which are produced in our body Removed through.

a)

Nervous System

b)

Circulatory System

c)

Excretory System

d)

Skeletal System

2.

Who discovered Circulation of Blood?

a)

Adolf Hitler

b)

William Harvey

c)

Dr Michael Swango

d)

Dr Walter Freeman

3.

What is the Name of the place where you store the Donated Blood ?

a)

Blood Zoo

b)

Blood Banks

c)

Mortuary

d)

Hospital

4.

What is the Name of the vascular tissue that Transports Water and Nutrients in Plants ?

a)

Ureters

b)

Phloem

c)

Arteries

d)

Xylem

5.

What is the name of filtering blood vessels using an artificial kidney ?

a)

Angiogram

b)

Chemo

c)

Dialysis

d)

Radiation

6.

What is the name of Cell Waste Of Fish ?

a)

Plasma

b)

Excretra

c)

Ammonia

d)

Tissue

7.

Name the Pigment which Makes Blood Red ?

a)

Sweat

b)

Water

c)

Haemoglobin

d)

Urea

8.

Who Did The First Kidney Transplantation That Was A Success ?

a)

Alexis St Martin

b)

Richard Herrick

c)

Dr William Beaumont

d)

Dr John Murray

9.

What is the Throbbing that can be heard in the hand due to the flow of blood in the Arteries ?

(a)  

10.

What Filters The Blood In the kidneys ?

(a)  

11.

How Much Percentage of the Human Urine Consists of Water ?

a)

60%

b)

95%

c)

50%

d)

99%

12.

What is the function of the Ureters ?

a)

Transport Urine

b)

Collect Urine

c)

Store Urine Until It is Ready For Elimination

d)

Nerves Tells the Brain That the Bladder Is Full

13.

Where is the blood Stored Until it is Ready For Elimination ?

a)

Urethra

b)

Urinary Bladder

c)

Ureters

d)

Kidney

14.

Which one of these blood Vessels Contain blood rich in Oxygen ?

a)

Veins

b)

Arteries

c)

Platelets

d)

Plasma

15.

What are the functions of The Kidneys ?

a)

Produce Urea

b)

Produce Urine

c)

Removing Waste

d)

Filter Blood Vessels

16.
Which part produces sperm enclosed in pollen?
a)
A
b)
B
c)
C
d)
E
17.
Fertilization is the process by which an 
a)
egg and pollen combine
b)
embryo grows into a plant
c)
animal carries pollen between plants
18.

The part of the stamen that produces the pollen grains is the ___.

a)

anther

b)

pistil

c)

filament

d)

ovary

19.

The enlarged base of the pistil that stores the eggs of the plant is the ___.

a)

ovary

b)

ovule

c)

stigma

d)

style

20.

The tip of the style that has sticky hairs to trap pollen is the ___.

a)

stamen

b)

stigma

c)

ovary

d)

style

21.

Small grains that contain a plant's male reproductive cells.

a)

stamen

b)

pollen

c)

anther

d)

stigma

22.

Brightly colored parts of flowers that attract insects.

a)

petals

b)

pistils

c)

stamen

d)

filaments

23.

The transfer of pollen, containing the sperm cells, to the female part of the flower.

a)

seed disperal

b)

pollination

c)

germination

d)

fertilization

24.

The ovary, style, and the stigma make up the female part of a plant called the ?

a)

stamen

b)

petals

c)

stem

d)

carpel (pistil)

25.

After fertilization what does the ovary develop into?

a)

Fruit

b)

Bud

c)

Seed

d)

Flower

26.

I am a flower that produces nectar. What is the function of the nectar?

a)

To provide food for the flower

b)

To attract pollinators

c)

To attract animals to disperse the fruits

d)

To produce perfumes for Man

27.

The male reproductive structure of a flower is the ___.

a)

pistil

b)

ovary

c)

stamen

d)

ovule