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Life Process

Total questions: 60

Worksheet time: 35mins

Name
Class
Date
1.

The autotrophic mode of nutrition requires

a)

Carbon dioxide and water

b)

Sunlight

c)

Chlorophyll

d)

All of the above

2.

The breakdown of pyruvate to give carbon dioxide water and energy takes place in

a)

Cytoplasm

b)

Mitochondria

c)

chloroplast

d)

Nucleus

3.

Saliva contains an enzyme for digestion of starch

a)

Amylase

b)

Lipase

c)

Trypsin

d)

Glycerol

4.

Energy transformation that takes place in the process of photosynthesis

a)

Solar to chemical

b)

Solar to electrical

c)

Solar to mechanical

d)

Nanak Dev

5.

Give an example of an organism whose digestion is intracellular

a)

Plant

b)

Amoeba

c)

Tiger

d)

Insect

6.

Which is the largest gland in human body

a)

Pancreas

b)

Liver

c)

Adrenal

d)

Pituitary

7.

What protects the inner lining of stomach from hydrochloric acid

a)

Carbon dioxide

b)

Protein

c)

Mucus

d)

Fat layer

8.

The maintenance of optimum concentration of water and salts in the body fluids

a)

Ingestion

b)

Respiration

c)

Excretion

d)

Osmoregulation

9.

Which one is the structural and functional unit of kidney

a)

Nexon

b)

Nephron

c)

Ureter

d)

Urethra

10.

In this type of nutrition solid and complex organic food is directly taken into the body

a)

Saprophytic nutrition

b)

Parasitic nutrition

c)

Holozoic nutrition

d)

None of the above

11.

What is correct about bile juice in human digestion

a)

Bile does not contain any enzyme

b)

Bile is alkaline

c)

Bile salt is present which helps to Tu emulsify the fat

d)

All of the above

12.

Which one is correct about artery

a)

Thin walled

b)

carries blood to from the Heart to other parts of the body

c)

Situated just under the skin

d)

None of the above

13.

Pulmonary veins contain

a)

Oxygenated blood

b)

Deoxygenated blood

c)

Both oxygenated and deoxygenated blood

d)

All of the above

14.

Why do the walls of trachea not collapse when there is less air in it?

a)

Supported by rings of cartilage

b)

Supported by Rib cage

c)

No air is left the question is wrong

d)

Because of strong muscles

15.

Why does lack of oxygen in muscles often lead to cramps among cricketers?

a)

Formation of lactic acid during lack of oxygen

b)

Conversion of pyruvate to ethanol and CO2 in absence of oxygen

c)

Due to formation of CO2 and H2O in mitochondria

d)

None of the above

16.
What is the name of the "plant food" produced by photosynthesis?
a)
glucose
b)
carbohydrates
c)
chloroplast
d)
lunch
17.
What gas does a plant take IN for photosynthesis
a)
oxygen
b)
nitrogen
c)
carbon dioxide
d)
helium
18.
This structure functions to control gas exchange in the plant
a)
roots
b)
stem
c)
leaf
19.
What organ takes in oxygen from the air and releases carbon dioxide?
a)
heart
b)
lungs
c)
jaws
d)
brain
20.

To make their food, plants need sunlight and...

a)

water and nutrients

b)

water and oxygen

c)

oxygen and carbon dioxide

d)

carbon dioxide and water.

21.

What is the difference between growth and development?

a)

Growth is the process of becoming larger. Development is the process of becoming more complex.

b)

They are the same.

c)

Growth is the process of becoming more complex. Development is the process of becoming larger.

d)

I don´t understand.

22.
A cell's control center that directs all of the activities that take place in the cell is the
a)
Chromosome
b)
Vacuole
c)
Nucleus
d)
Mitochondria
23.
Found only in plant cells, this organelle enables the plant to make its own food through the process of photosynthesis.
a)
Cytoplasm
b)
Cell Wall
c)
Chloroplast
d)
Mitochondria
24.

Full form of ATP

a)

Adenosinetriphosphate

b)

Adenosidiphosphate

c)

Adrenalin

d)

Adoxide

25.

The blood vessels which carry oxygenated blood

a)

Vein

b)

Artery

c)

Both

d)

None

26.
What is the name of the "plant food" produced by photosynthesis?
a)
glucose
b)
carbohydrates
c)
chloroplast
d)
lunch
27.
What gas does a plant take IN for photosynthesis
a)
oxygen
b)
nitrogen
c)
carbon dioxide
d)
helium
28.
 What is the main function or job of the organ system displayed?
a)
To store food until it is absorbed into the lungs
b)
To convert and breakdown food into nutrients and energy to be absorbed into the circulatory system
c)
To provide the body with structure
d)
TO eliminate liquid waste
29.
Which organ pumps blood throughout your body?
a)
cell
b)
brain
c)
tissue
d)
heart
30.

The valve present between right atrium and right ventricle.

a)

tricuspid

b)

bicuspid

c)

pulmonary

d)

aortic

31.

It is the site of gaseous exchange in human lungs.

a)

villi

b)

alveoli

c)

trachea

d)

larynx

32.

In unicellular organisms like amoeba gaseous exchange takes place through the process of ____________.

a)

osmosis

b)

transportation

c)

diffusion

d)

elimination

33.

The substance in plants and animals that act as an energy currency.

a)

DNA

b)

RNA

c)

ADP

d)

ATP

34.

_______________ is the final product of glycolysis.

a)

carbon dioxide

b)

ATP

c)

Pyruvic acid

d)

acetyl coA

35.

Glycolysis takes place in the __________ of the cell.

a)

mitochondria

b)

ribosomes

c)

cytoplasm

d)

Golgi complex

36.

_________________ artery carries deoxygenated blood.

a)

aortic

b)

pulmonary

c)

renal

d)

inferior

37.

chloroplasts are present in the ___________ of the leaf.

a)

palisade parenchyma

b)

aerenchyma

c)

sclrenchyma

d)

collenchyma

38.

in plants food is stored i the form of

a)

glycogen

b)

starch

c)

maltose

d)

glucose

39.

The waste product generated during photosynthesis is

a)

carbon dioxide

b)

oxygen

c)

nitrogen

d)

water

40.

In plants waste products are stored as ------ and --------

a)

water and glucose

b)

glycogen and starch

c)

resins and gums

d)

starch and water

41.
Process where food is broken down to release chemical energy. Occurs in the mitochondria.
a)
Cellular Respiration
b)
Photosynthesis
c)
Active Transport
d)
Passive Transport
42.

Letter I represents which part of the nephron?

a)

Bowmans capsule

b)

Collecting duct

c)

Renal vein

d)

distal convoluted tubule

43.

The functional unit of the lungs is the:

a)

pulmonary tract

b)

nephron

c)

alveoli

d)

neuron

44.

The process of formation of ammonia in the liver from excess of amino acids is called

a)

Detoxification

b)

Deamination

c)

Translation

d)

Egestion

45.

Which of the following are not filtered by the nephron?

a)

Urea

b)

Starch

c)

Water

d)

Sodium and chloride ions

46.

Which blood vessel carries blood away from the heart?

a)

Artery

b)

Capillary

c)

Vein

47.

Whats is the main force in the plant that is responsible for the upward movement of water?

a)

Cohesion

b)

root pressure

c)

transpiration pull

d)

adhesion

48.

What causes the narrowing of blood vessels due to fatty deposits on the inside of the blood vessel?

a)

artherosclerosis

b)

Artheritis

49.
What part of the heart delivers richly oxygenated blood to the body?
a)
Aorta
b)
Superior vena cava
c)
Tricuspid valve
d)
Pulmonary artery
50.
In the cardiac cycle, diasystole is myocardial __________.
a)
contraction
b)
relaxation
51.
Place the pathway of blood through the heart in the correct sequence.
a)
L-K-H-B-G-E-C-F-A-I-E-D
b)
I-J-D-C-F-A-H-B-G-E-K-L
c)
A-B-J-C-D-E-F-K-L-G-H-I
d)
I-J-E-D-C-F-A-B-G-H-K-L
52.
The tricuspid valve is found in between the _____________.
a)
left atrium and left ventricle
b)
right atrium and right ventricle
c)
pulmonary artery and aorta
53.
Aerobic respiration is different from anaerobic respiration in that aerobic respiration needs...
a)
chlorophyll
b)
carbon dioxide
c)
glucose
d)
oxygen
54.
The energy carrier that the cell uses to power its day to day activities is 
a)
ATP
b)
NADH
c)
FADH2
d)
glucose
55.
The word "pseudopodia" means:
a)
small cell
b)
false foot
c)
fake eye
d)
first animal
56.
 What amoeba structure is a finger-like projection of the cell membrane used for movement and obtaining food?
a)
Cilia
b)
Pseudopod
c)
Flagella
d)
Hair-like
57.
 What amoeba structure is a finger-like projection of the cell membrane used for movement and obtaining food?
a)
Cilia
b)
Pseudopod
c)
Flagella
d)
Hair-like
58.

Which of the following enzymes digests proteins?

a)

Trypsin

b)

Lipase

c)

Peptidases

d)

Amylase

59.

Bile is produced by ____, stored in ____, released by _____

a)

liver; duodenum; bile duct

b)

liver; gall bladder; bile duct

c)

gall bladder; liver; bile duct

d)

gall bladder; duodenum; bile duct

60.

Bile is produced by ____, stored in ____, released by _____

a)

liver; duodenum; bile duct

b)

liver; gall bladder; bile duct

c)

gall bladder; liver; bile duct

d)

gall bladder; duodenum; bile duct

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