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LIFE PROCESS

Total questions: 100

Worksheet time: 50mins

Name
Class
Date
1.

Anerobic respiration occurs in

a)

Mitochondria

b)

Cytoplasm

c)

Both in mitochondria and cytoplasm

d)

Inside the plastids

2.

End product of protein digestion is

a)

Maltose

b)

Glycerol

c)

Glycerol and fatty acid

d)

Amino acid

3.

The nirogenous waste product eliminated by human kidney is

a)

Uric acid

b)

Amino acid

c)

Ammonia

d)

Urea

4.

Pulmonary artery carries

a)

oxygenated blood to the left atria

b)

deoxygenated blood to the right atria

c)

deoxygenated blood to the lungs

d)

oxygenated blood to the tissues

5.

Largest blood vessel in the human body is

a)

Carotid artery

b)

Pulmonary artery

c)

Pulmonary vein

d)

Aorta

6.

Vena cava is the blood vessel that enters

a)

Right ventricle

b)

Right atria

c)

Left ventricle

d)

Left atria

7.

Blood vessel that carries oxygenated blood towards the heart is

a)

Pulmonary vein

b)

Pulmonary artery

c)

Aorta

d)

Vena cava

8.

The chamber of the human heart that receives deoxygenated blood from different parts of the body

a)

Left atria

b)

Right atria

c)

Left ventricle

d)

right ventricle

9.

An example of an autotroph is

a)

Amoeba

b)

Cyanobacteria

c)

Mushroom

d)

Paramoecium

10.

Fatty acids and glycerol are the building blocks of

(a)  

11.

Minute pores present in the leaves that facilitate gaseous exchange is called

(a)  

12.

In submerged water plants

a)

light is not needed for photosynthesis

b)

photosynthesis does not occur

c)

light is necessary for photosynthesis

d)

carbon di oxide is not necessary for photosynthesis

13.

The pigment present in green plants are

a)

chlorophyll

b)

carotene

c)

xanthophyll

d)

all the above

14.

Structural and functional units of kidney is called

a)

neuron

b)

nephron

c)

alveoli

d)

adrenal gland

15.

Ultrafiltration of blood is the function of

a)

neuron

b)

plasma

c)

platelets

d)

nephron

16.

Function of heart is

a)

oxygenation of deoxygenated blood

b)

pumping of blood

c)

removal of carbon dioxide from the blood

d)

both (a) and (c)

17.

Gaseous exchange is associated with

a)

alveoli

b)

neuron

c)

nephron

d)

kidney

18.

Opening and closing of stomata is performed by

a)

Epithelial cells

b)

Chloroplast

c)

Guard cells

d)

Chlorophyll

19.

Digestive enzyme secreted by stomach is

a)

Pepsin

b)

Trypsin

c)

Bile

d)

Amylase

20.

The process of digestion gets completed in

a)

Small intestine

b)

Large intestine

c)

Stomach

d)

Anus

21.

In human digestive system, bile is secreted by

a)

Liver

b)

Kidney

c)

Stomach

d)

Lungs

22.

The breakdown of glucose into carbon di oxide and water takes place in

a)

Cytoplasm

b)

Mitochondria

c)

Chloroplast

d)

Chlorophyll

23.

Plant tissue involved in the transportation of water and minerals from the root to leaves is

a)

Collenchyma

b)

Sclerenchyma

c)

Phloem

d)

Xylem

24.

The movement of food through the phloem is called

a)

Transpiration

b)

Translocation

c)

Guttation

d)

Gustation

25.

The respiratory pigment present in human being

a)

Leghaemoglobin

b)

Haemoglobin

c)

Hydroxychloroquine

d)

Cytochrome

26.

Four chambered heart is present in which among the following

a)

Salamander

b)

Frog

c)

Crocodile

d)

Turtle

27.

Large intestine in man is associated with

a)

Absorption of digested nutrients

b)

Reabsorption of vitamins and water

c)

Digestion of fat

d)

Digestion of proteins

28.

Blood pressure is measured by the instrument called

a)

Barometer

b)

Thermometer

c)

Manometer

d)

Sphygmomanometer

29.

Before testing for necessity of light in photosynthesis, the leaves should be tested for

a)

Absence of starch

b)

Presence of starch

c)

Absence of carbon di oxide

d)

Presence of carbon di oxide

30.

Longest part of alimentary canal is

(a)  

31.

The valve present between right atrium and right ventricle.

a)

tricuspid

b)

bicuspid

c)

pulmonary

d)

aortic

32.

In CAM plants CO2 is stored in the form of _________ in the vacuoles.

a)

lactic acid

b)

malic acid

c)

palmitic acid

d)

linoleic acid

33.

It is the site of gaseous exchange in human lungs.

a)

villi

b)

alveoli

c)

trachea

d)

larynx

34.

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

a)

osmosis

b)

transportation

c)

diffusion

d)

elimination

35.

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

a)

DNA

b)

RNA

c)

ADP

d)

ATP

36.

_______________ is the final product of glycolysis.

a)

carbon dioxide

b)

ATP

c)

Pyruvic acid

d)

acetyl coA

37.

Glycolysis takes place in the __________ of the cell.

a)

mitochondria

b)

ribosomes

c)

cytoplasm

d)

Golgi complex

38.

The continuous contractions and relaxations of the digestive organs is called

a)

peristalsis

b)

photosynthesis

c)

expansion

d)

constriction

39.

_________________ artery carries deoxygenated blood.

a)

aortic

b)

pulmonary

c)

renal

d)

inferior

40.

chloroplasts are present in the ___________ of the leaf.

a)

palisade parenchyma

b)

aerenchyma

c)

sclrenchyma

d)

collenchyma

41.

a plant is kept in dark cupboard for 48 hours before conducting any experiment on photosynthesis to

a)

remove chlorophyll from the leaves

b)

remove starch from the plant

c)

ensure that no photosynthesis occurs

d)

ensure that leaves are free of starch

42.

If the rate of respiration becomes ore than the rate of photosynthesis, plants will

a)

continue to live, but will not be able to store food

b)

be killed instantly

c)

grow more vigorously (rapidly) because more energy is available

d)

stop growing and gradually die of starvation.

43.

the correct order of steps in nutrition in human beings is

a)

ingestion - digestion - assimilation - absorption - egestion

b)

ingestion - digestion - absorption - assimilation - egestion

c)

ingestion - absorption - digestion - egestion - assimilation

d)

ingestion - assimilation - absorption - digestion - egeston

44.

All producers show

a)

heterotrophic nutrition

b)

autotrophic nutrition

c)

holozoic nutrition

d)

both A and B

45.

pancreas pour secretions into

a)

oesophagus

b)

stomach

c)

large intestine

d)

duodenum

46.

bile is produced in

a)

Gall bladder

b)

pancreas

c)

liver

d)

duodenum

47.

Oxygen is needed by the body

a)

to purify the blood

b)

to pump blood in vessels

c)

to aerate lungs

d)

to produce ATP

48.

During deficiency of oxygen pyruvate is converted into lactic acid in

a)

mitochondria

b)

nucleus

c)

chloroplast

d)

cytoplasm

49.

passage of inhaled air in human beings

a)

trachea - lungs - larynx - pharynx - alveoli

b)

nose - larynx - pharynx - bronchus - alveoli - bronchioles

c)

nostril - pharynx - larynx - trachea - bronchi - bronchioles - alveoli

d)

nose - mouth - lungs

50.

inhalation occurs when

a)

diaphragm is lowered

b)

diaphragm is elevated

c)

ribs move upwards

d)

ribs move downward

51.

conduction of water in plants mainly occur through

a)

tracheids

b)

companion cells

c)

sieve tubes

d)

stomata

52.

contraction in the right ventricle pumps blood into the

a)

Aorta

b)

pulmonary vein

c)

pulmonary artery

d)

coronary artery

53.

the heart chamber having the thickest muscular wall is

a)

left atrium

b)

right atrium

c)

right ventricle

d)

left ventricle

54.

the main function of the lymph is

a)

transport O2 to brain

b)

transport CO2 to lungs

c)

return interstitial fluid to blood

d)

return RBCs and WBCs to lymph vessels

55.

food prepared in leaves is translocated by the

a)

xylem

b)

phloem

c)

pith

d)

epidermis

56.

Excretion commonly involves

a)

Removal of by products during catabolism

b)

Removal of by products during anabolism

c)

Removal of nitrogenous waste

d)

All of the above

57.

In Amoeba, ammonia is excreted through

a)

Plasma Membrane

b)

Food Vacuole

c)

Contractile Vacuole

d)

Both (b) and (c)

58.

which blood vessel takes blood away from the kidney?

a)

Renal Portal Vein

b)

Renal Vein

c)

Afferent Arteriole

d)

Efferent Arteriole

59.

The correct path in urine formation is

a)

kidney - ureter - bladder- urethra

b)

bladder- kidney- ureter- urethra

c)

kidney- ureter- urethra- bladder

d)

kidney- bladder- urethra- ureter

60.

Glomerulus and Bowman's capsule constitute

a)

collecting tubule

b)

malphigian capsule

c)

ureters

d)

collecting duct

61.

Waste products are eliminated during perspiration.

a)

Circulation

b)

Homeostasis

c)

Excretion

d)

Metabolism

62.
The main nitrogen-containing waste excreted in urine by humans is
a)
AMMONIA
b)
UREA
c)
URIC ACID
d)
NUCLEOTIDE
63.
Normal systolic pressure in humans is-
a)
80mmHg
b)
120mmHg
c)
150mmHg
d)
40mmHg
64.
The trachea divides into two smaller tubes called ______.
a)
Trachea
b)
Bronchi
c)
Alveoli
d)
Bronchioles
65.
Diabetic people need to- 
a)
increase water intake
b)
reduce water intake
c)
eliminate any physical activity
d)
increase sweet intake
66.
Which of the following is a product of fermentation?
a)
Methanol
b)
Oxygen
c)
Ethanol
d)
Lactic acid
67.

It is the site of gaseous exchange in human lungs.

a)

villi

b)

alveoli

c)

trachea

d)

larynx

68.

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

a)

osmosis

b)

transportation

c)

diffusion

d)

elimination

69.

_________________ artery carries deoxygenated blood.

a)

aortic

b)

pulmonary

c)

renal

d)

inferior

70.

_______________ is the final product of glycolysis.

a)

carbon dioxide

b)

ATP

c)

Pyruvic acid

d)

acetyl coA

71.

The continuous contractions and relaxations of the digestive organs is called

a)

peristalsis

b)

photosynthesis

c)

expansion

d)

constriction

72.

Glycolysis takes place in the __________ of the cell.

a)

mitochondria

b)

ribosomes

c)

cytoplasm

d)

Golgi complex

73.

Which plant tissue transports water and minerals from the roots to the leaf?

a)

Xylem

b)

Phloem

c)

Parenchyma

d)

Collenchyma

74.

The movement of food in phloem is called:

a)

transpiration

b)

translocation

c)

respiration

d)

evaporation

75.

Blood vessel which carries the blood from the heart to the entire body:

a)

capillary

b)

Vein

c)

All

d)

artery

76.

Name a circulatory fluid in the human body other than blood.

a)

Plasma

b)

Urine

c)

Lymph

d)

None

77.

Name the tube which connects the kidneys to the urinary bladder.

a)

Urethra

b)

Nephron

c)

Tubule

d)

Ureter

78.

In anaerobic respiration the amount of ATP produced overall is

a)

2 ATP

b)

38 ATP

c)

36 ATP

d)

40 ATP

79.

Which vein brings back clean blood from lungs to heart

a)

Pulmonary artery

b)

Pulmonary vein

c)

Aoarta

d)

Vena cava

80.

Blood is pumped from the heart to the entire body by

a)

Aoarta

b)

Pulmonary artery

c)

Pulmonary vein

d)

Vena cava

81.

Which Of The Following Statement Is Or Are Incorrect?

a)

All the living organisms need energy to perform various life processes.

b)

Energy is not required by an organism during sleep.

c)

Food is a kind of will which provides energy to all living organisms.

d)

Our body gets longest size in in early morning in the bed.

82.

Which Part Of Alimentary Canal Receives Bile From The Liver?

a)

Stomach

b)

Oesophagus

c)

Large intestine

d)

Small intestine

83.

When Air Is Blown From Mouth Into A Test-Tube Containing Lime Water, The Lime Water Turned Milky Due To The Presence Of

a)

Carbon dioxide

b)

Oxygen

c)

Nitrogen

d)

Water vapour

84.

Choose The Function Of The Pancreatic Juice From The Following

a)

Trypsin digests proteins and lipase carbohydrates

b)

Trypsin digests emulsified fats and lipase proteins

c)

Trypsin and lipase digest fats

d)

Trypsin digests proteins and lipase emulsified fats

85.

The only artery which carries deoxygenated blood is:

a)

Pulmonary artery

b)

Renal artery

c)

Hepatic artery

d)

Coronary artery

86.

How many chambers does a frog’s heart have?

a)

2

b)

3

c)

4

87.

Oxygenated blood reaches heart by

a)

Pulmonary artery

b)

Aorta

c)

Vena cava

d)

Pulmonary vein

88.

The color of blood plasma is:

a)

Red

b)

Yellowish green

c)

Pink

d)

Pale yellow

89.

The only reptile having 4- chambered heart is

a)

Snake

b)

Crocodile

c)

Lizard

d)

Turtle

90.

Which of the following organisms have single circulation?

a)

Fishes

b)

Mammals

c)

Birds

d)

Reptiles

91.
Functional units of food absorption are-
a)
VILLI
b)
STOMACH
c)
LIVER
d)
FOOD PIPE
92.
One of the following is not an enzyme of digestive system.
a)
PEPSIN
b)
LIPASE
c)
TRYPSIN
d)
ENTEROGASTRONE
93.
The main nitrogen-containing waste excreted in urine by humans is
a)
AMMONIA
b)
UREA
c)
URIC ACID
d)
NUCLEOTIDE
94.
The basic functional unit of human kidney is-
a)
NEPHRON
b)
SYNAPSE
c)
NEURON
d)
GLOMERULUS
95.
Normal systolic pressure in humans is-
a)
80mmHg
b)
120mmHg
c)
150mmHg
d)
40mmHg
96.
The trachea divides into two smaller tubes called ______.
a)
Trachea
b)
Bronchi
c)
Alveoli
d)
Bronchioles
97.
Storage form of glucose molecules (C6H12O6) in plant is-
a)
 Starch
b)
Cellulose
c)
Glycogen
d)
Glucagon
98.
Diabetic people need to- 
a)
increase water intake
b)
reduce water intake
c)
eliminate any physical activity
d)
increase sweet intake
99.
Only partial breakdown of glucose molecule (C6H12O6) takes place in-
a)
active respiration
b)
passive respiration
c)
anaerobic respiration
d)
aerobic respiration
100.
Which of the following is a product of fermentation?
a)
Methanol
b)
Oxygen
c)
Ethanol
d)
Lactic acid