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life process

Total questions: 160

Worksheet time: 1hrs 24mins

Name
Class
Date
1.
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
2.
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
3.
What is the name of the "plant food" produced by photosynthesis?
a)
glucose
b)
carbohydrates
c)
chloroplast
d)
lunch
4.
What gas does a plant take IN for photosynthesis
a)
oxygen
b)
nitrogen
c)
carbon dioxide
d)
helium
5.
 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
6.
Which organ pumps blood throughout your body?
a)
cell
b)
brain
c)
tissue
d)
heart
7.

Full form of ATP

a)

Adenosinetriphosphate

b)

Adenosidiphosphate

c)

Adrenalin

d)

Adoxide

8.

The blood vessels which carry oxygenated blood

a)

Vein

b)

Artery

c)

Both

d)

None

9.

The valve present between right atrium and right ventricle.

a)

tricuspid

b)

bicuspid

c)

pulmonary

d)

aortic

10.

It is the site of gaseous exchange in human lungs.

a)

villi

b)

alveoli

c)

trachea

d)

larynx

11.

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

a)

osmosis

b)

transportation

c)

diffusion

d)

elimination

12.

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

a)

DNA

b)

RNA

c)

ADP

d)

ATP

13.

_______________ is the final product of glycolysis.

a)

carbon dioxide

b)

ATP

c)

Pyruvic acid

d)

acetyl coA

14.

Glycolysis takes place in the __________ of the cell.

a)

mitochondria

b)

ribosomes

c)

cytoplasm

d)

Golgi complex

15.

_________________ artery carries deoxygenated blood.

a)

aortic

b)

pulmonary

c)

renal

d)

inferior

16.

chloroplasts are present in the ___________ of the leaf.

a)

palisade parenchyma

b)

aerenchyma

c)

sclrenchyma

d)

collenchyma

17.

in plants food is stored i the form of

a)

glycogen

b)

starch

c)

maltose

d)

glucose

18.

The waste product generated during photosynthesis is

a)

carbon dioxide

b)

oxygen

c)

nitrogen

d)

water

19.

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

a)

water and glucose

b)

glycogen and starch

c)

resins and gums

d)

starch and water

20.

a)

A

b)

B

c)

C

d)

D

21.

a)

A

b)

B

c)

C

d)

D

22.

a)

A

b)

B

c)

C

d)

D

23.

a)

A

b)

B

c)

C

d)

D

24.

a)

A

b)

B

c)

C

d)

D

25.
a)

A

b)

B

c)

C

d)

D

26.
a)

A

b)

B

c)

C

d)

D

27.
a)

A

b)

B

c)

C

d)

D

28.
a)

A

b)

B

c)

C

d)

D

29.

a)

A

b)

B

c)

C

d)

D

30.

a)

A

b)

B

c)

C

d)

D

31.

a)

A

b)

B

c)

C

d)

D

32.

a)

A

b)

B

c)

C

d)

D

33.

a)

A

b)

B

c)

C

d)

D

34.
a)

A

b)

B

c)

C

d)

D

35.

The autotrophic mode of nutrition requires

a)

Carbon dioxide and water

b)

Sunlight

c)

Chlorophyll

d)

All of the above

36.

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

a)

Cytoplasm

b)

Mitochondria

c)

chloroplast

d)

Nucleus

37.

Saliva contains an enzyme for digestion of starch

a)

Amylase

b)

Lipase

c)

Trypsin

d)

Glycerol

38.

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

39.

Give an example of an organism whose digestion is intracellular

a)

Plant

b)

Amoeba

c)

Tiger

d)

Insect

40.

Which is the largest gland in human body

a)

Pancreas

b)

Liver

c)

Adrenal

d)

Pituitary

41.

What protects the inner lining of stomach from hydrochloric acid

a)

Carbon dioxide

b)

Protein

c)

Mucus

d)

Fat layer

42.

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

a)

Ingestion

b)

Respiration

c)

Excretion

d)

Osmoregulation

43.

Which one is the structural and functional unit of kidney

a)

Nexon

b)

Nephron

c)

Ureter

d)

Urethra

44.

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

45.

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

46.

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

47.

Pulmonary veins contain

a)

Oxygenated blood

b)

Deoxygenated blood

c)

Both oxygenated and deoxygenated blood

d)

All of the above

48.

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

49.

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

50.

Which of the following increases in muscle cell when they are lacking in oxygen?

a)

Carbon dioxide

b)

Lactose

c)

Lactic acid

d)

Uric acid

51.

In cockroaches, air enters the body through:

a)

Lungs

b)

Gills

c)

Spiracles

d)

Skin

52.

One of the following does not have a nucleus. This one is:

a)

Red blood cell

b)

White blood cell

c)

Guard cell

d)

Epidermal cell

53.

The blood leaving the tissue s becomes richer in:

a)

Carbon dioxide

b)

Water

c)

Heamoglobin

d)

Oxygen

54.

Blood is pumped from the heart to the entire body by the :

a)

Lungs

b)

Ventricles

c)

Atria

d)

Nerves

55.

Which vein brings clean blood from the lungs into the heart ?

a)

Renal vein

b)

Pulmonary vein

c)

Vena cava

d)

Hepatic vein

56.

Which blood vessels doesn't carry any carbon dioxide ?

a)

Pulmonary artery

b)

Vena cava

c)

Hepatic vein

d)

Pulmonary vein

57.

The phloem tissue in plants is responsible for the transport of :

a)

Water

b)

Water and minerals

c)

Sugar

d)

All of the above

58.

Which of the following has a three chambered heart ?

a)

Pigeon

b)

Lizard

c)

Fish

d)

Lion

59.

The excretory unit in the human excretory system is called :

a)

Nephron

b)

Neuron

c)

Nephridia

d)

Kidneys

60.

The cell in our blood which destroy disease causing germs, are:

a)

Platelets

b)

Skin cells

c)

RBCs

d)

WBCs

61.

The procedure of cleaning the blood of a person by using a kidney machine is known as :

a)

Ketolysis

b)

Hydrolysis

c)

Dialysis

d)

Photolysis

62.

Gums and resins are the products of plants.

(a)  

63.

If salivary amylase is lacking in the saliva, which of the following events in the mouth cavity will be affected?

a)

Proteins breaking down into amino acids

b)

Starch breaking down into sugars

c)

Fats breaking down into fatty acids and glycerol

d)

Absorption of vitamins

64.

A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains

a)

complex proteins

b)

simple proteins

c)

fats

d)

starch

65.

In which part of the alimentary canal food is finally digested?

a)

Stomach

b)

Mouth cavity

c)

Large intestine

d)

Small intestine

66.

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

67.

During respiration exchange of gases take place in

a)

trachea and larynx

b)

alveoli of lungs

c)

alveoli and throat

d)

throat and larynx

68.

Single circulation i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by

a)

Labeo, Chameleon, Salamander

b)

Hippocampus, Exocoetus, Anabas

c)

Hyla, Rana, Draco

d)

Whale, Dolphin, Turtle

69.

The blood leaving the tissues becomes richer in

a)

carbon dioxide

b)

water

c)

heamoglobin

d)

oxygen

70.

Which of the following is an incorrect statement?

a)

Organisms grow with time

b)

Organisms must repair and maintain their structure

c)

Movement of molecules does not take place among cells

d)

Energy is essential for life processes

71.

The opening and closing of the stomatal pore depends upon

a)

oxygen

b)

temperature

c)

water in guard cells

d)

concentration of CO2 in stomata

72.

Select the correct statement

a)

Heterotrophs do not synthesise their own food

b)

Heterotrophs utilise solar energy for photosynthesis

c)

Heterotrophs synthesise their own food

d)

Heterotrophs are capable of converting carbon dioxide and

water into carbohydrates

73.

Observe the diagram and choose the option that indicate correct labeling -A,B,C,D and E

a)

A- Pulmonary artery, B- Vein, C- , D- Aorta, E- Right atrium.

b)

A- Left ventricle, B- Pulmonary artery, C- Aorta, D- Right atrium, E- Vein

c)

A-Aorta, B- Pulmonary artery, C- Right atrium, D- Left ventricle, E- Vein

d)

A- Aorta, B- Vein, C- Left ventricle, D- Right atrium, E- Pulmonary artery.

74.
What is cellular respiration?
a)
the breakdown of glucose  to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
75.
The trachea divides into two smaller tubes called ______.
a)
Trachea
b)
Bronchi
c)
Alveoli
d)
Bronchioles
76.
Storage form of glucose molecules (C6H12O6) in plant is-
a)
 Starch
b)
Cellulose
c)
Glycogen
d)
Glucagon
77.
Which of the following is a product of fermentation?
a)
Methanol
b)
Oxygen
c)
Ethanol
d)
Lactic acid
78.
Functional units of food absorption are-
a)
VILLI
b)
STOMACH
c)
LIVER
d)
FOOD PIPE
79.
What are the products of anaerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
80.

Write the water soluble form of proteins.

a)

Glucose

b)

Amino acids

c)

Glycerol

d)

Pyruvate

81.

The blood leaving the tissues becomes richer in

a)

Carbon dioxide

b)

Water

c)

Heamoglobin

d)

Oxygen

82.

Which of the following structure is where cellular respiration occurs in the cell?

a)

nucleus

b)

cytoplasm

c)

mitochondria

d)

vacuoles

83.

Plants and  animals releases carbon dioxide as a form of ...

a)

Respiration

b)

Excretion

c)

Nutrition

d)

Reproduction

84.

The _____ contains the energy that is released in the respiration process.

a)

oxygen

b)

fructose

c)

glucose

d)

carbon dioxide

85.

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

a)

Cytoplasm

b)

Mitochondria

c)

chloroplast

d)

Nucleus

86.

Saliva contains an enzyme for digestion of starch

a)

Amylase

b)

Lipase

c)

Trypsin

d)

Glycerol

87.

What protects the inner lining of stomach from hydrochloric acid

a)

Carbon dioxide

b)

Protein

c)

Mucus

d)

Fat layer

88.

Which one is the structural and functional unit of kidney

a)

Nexon

b)

Nephron

c)

Ureter

d)

Urethra

89.

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

90.

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

91.

Pulmonary veins contain

a)

Oxygenated blood

b)

Deoxygenated blood

c)

Both oxygenated and deoxygenated blood

d)

All of the above

92.

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

93.

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

94.

In amoeba food is digested in

a)

food vacuole

b)

mitochondria

c)

psuedoodia

d)

chloroplast

95.

Gland not associated with the alimentary canal is

a)

Liver

b)

salivary gland

c)

Pancreas

d)

Adrenal

96.

Normal blood pressure (systolic/diastolic) is

a)

120 / 80 mm of HG

b)

60/80 mm of HG

c)

120/60 mm of HG

d)

180 / 80 mm of HG

97.

Which of the following is not correct

a)

Deoxygenated blood is poured into right Atrium of heart

b)

The excretory unit of flatworm are flame cells

c)

Human kidney has about 1 million nephridia

d)

Trachids and vessels are non living conducting tissue

98.

(a)   a long thin spindle-shaped cells with pits in the thick cell wall

99.

The expansion of an artery each time the blood is forced into it is called

(a)  

100.

Gums and resins are the (a)   products of plants

101.

Glamorous act as a dialysis bag

a)

True

b)

False

102.

Moment of muscles are kar in mouth to push food into alimentary canal

a)

True

b)

False

103.

Carbohydrates are the compounds of our food which is digested by enzyme which is present in saliva as well as in pancreatic juice

a)

True

b)

False

104.

Mention how organisms like bread mould and mushrooms obtain their food

4 lines
105.

Name the type of blood vessels,which carry blood from organs to the heart.

a)

artery

b)

veins

c)

capillaries

106.

Which enzyme is present in human saliva?

a)

Salivary tripsin

b)

Salivary amylase

c)

Salivary lipase

107.

Which is the stored form of carbohydrates in plants and animals respectively?

a)

starch and glycogen

b)

starch and glucose

c)

starch and maltose

108.

what are the end products of photosynthesis?

a)

oxygen,carbondioxide and water

b)

oxygen ,glucose and water

c)

oxygen and water

109.

vocal cords occur in:

a)

pharynx

b)

larynx

c)

glottis

d)

bronchial tube

110.

what is the mode of nutrition in fungi?

a)

autotropic

b)

heterotropic

c)

saprophytic

d)

parasitic

111.

How many pairs of salivary glands are found in humans?

a)

4

b)

2

c)

6

d)

3

112.

Blood vessel carry blood from lungs to heart through:

a)

pulmonary artery

b)

pulmonary vein

113.

Which of the following structures is involved in gaseous exchange in woody stem of a plant?

a)

stomata

b)

guard cell

c)

lenticel

d)

epidermis

114.

villi present on the internal wall of intestine help in the

a)

emulsification of fats

b)

breakdown of protein

c)

absorption of digested food

d)

digestion of carbohydrates

115.

correct route of blood flow in a human

a)

Left atrium-->Left Ventricle-->Lungs-->Right Ventricle-->Right Atrium

b)

Left atrium-->Left Ventricle-->Right Ventricle-->Right Atrium ----->Lungs

c)

Right Atrium-->Right Ventricle-->Left Ventricle -->Left atrium-->

Lungs

d)

Right Atrium-->Right Ventricle-->Lungs -->Left atrium-->Left Ventricle

116.

The site of exchange of wastes,nutrients,gases and hormones between the blood and body cell are the :

a)

arteries

b)

arterioles

c)

capillaries

d)

veins

117.

Which one indicates hypertension or high blood pressure

a)

120/80

b)

130/80

c)

110/70

d)

140/90

118.

veins can be differentiated from arteries because the veins:

a)

have valves

b)

have hard walls

c)

have pure blood in them

d)

have thick walls

119.

The breakdown of pyruvate to give carbondioxide ,water and energy takes place in:

a)

cytoplasm

b)

mitochondria

c)

chloroplast

d)

nucleus

120.

Digestion of starch starts from:

a)

stomach

b)

intestine

c)

oesophagus

d)

mouth

121.

Man is (a)   in nutrition.

122.

Blood circulation in human is called (a)   circulation

123.

Largest digestive gland in the human body is (a)  

124.

The structural and functional unit of lungs is (a)  

125.

The (a)   prevents the entry of food into the respiratory tract.

126.

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

(a)  

127.

2. Saliva contains an enzyme for digestion of starch

(a)  

128.

What protects the inner lining of stomach from hydrochloric acid

(a)  

129.

4.Structural and functional unit of kidney

(a)  

130.

5.A type of nutrition solid and complex organic food is directly taken into the body

(a)  

131.

6.Bile is alkaline or acid?

(a)  

132.

7.Pulmonary veins contain-------------- blood

(a)  

133.

8.The walls of trachea not collapse when there is less air in it because ---------

(a)  

134.

9. Lack of oxygen in muscles often lead to cramps because of--------

(a)  

135.

10. Functional units of food absorption in small intestine are

(a)  

136.

11.. The trachea divides into two smaller tubes called (a)   .

137.

12. Storage form of glucose molecules (C6H12O6) in plant is-

(a)  

138.

13.aA product of fermentation is ----------

(a)  

139.

14. Plants and animals releases ---------as a form of excretion.

(a)  

140.

15.The glucose contains the energy that is released in the ----- process.

(a)  

141.

16.------- are the water soluble form of proteins.

(a)  

142.

17.The products of anaerobic respiration?

(a)  

143.

18. Breakdown of glucose releases -----

(a)  

144.

19.------------ mode of nutrition requires chlorophyll.

(a)  

145.

20. Energy transformation that takes place in the process of photosynthesis is ------

(a)  

146.

The mode of nutrition found in fungi is:

a)

(a) Parasitic nutrition

b)

(b) Holozoic nutrition

c)

(c) Autotrophic nutrition

d)

(d) Saprotrophic nutrition

147.

Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the saliva?

a)

(a) Starch breaking down into sugars.

b)

(b) Proteins breaking down into amino acids.

c)

(c) Absorption of vitamins.

d)

(d) Fats breaking down into fatty acids and glycerol.

148.

The green pigment used in photosynthesis is

a)

A. Phytochrome

b)

B. Chlorophyll

c)

C. Hemoglobin

d)

D. None

149.

Hydrochloric acid is secreted by

a)

A. Pancreas

b)

B. Small intestine

c)

C. Liver

d)

D. Gastric glands of the stomach

150.

The breakdown of pyruvate to give carbon di-oxide, water and energy takes place in

a)

(a) cytoplasm

b)

(b) mitochondria

c)

(c) chloroplast

d)

(d) nucleus

151.

Name the substances whose build up in the muscles during vigorous physical exercise may cause cramps?

a)

(a) Ethanol + Carbon dioxide + Energy

b)

(b) Lactic acid + Energy

c)

(c) Carbon dioxide + Water + Energy

d)

(d) Pyruvate

152.

Which plant tissue transports water and min-erals from the roots to the leaf?

a)

(a) Xylem

b)

(b) Phloem

c)

(c) Parenchyma

d)

(d) Collenchyma

153.

The movement of food in phloem is called:

a)

(a) transpiration

b)

(b) translocation

c)

(c) respiration

d)

(d) evaporation

154.

Passage of urine occur through:

a)

(a) Kidney → urinary bladder → urethra → ureter

b)

(b) Urinary bladder → ureter → kidney → urethra

c)

(c) Kidney → ureter → urethra → urinary bladder

d)

(d) Kidney → ureter → urinary bladder → urethra

155.

………. is the site of the complete digestion of carbohydrates, proteins and fats.

(a)  

156.

………. transports products of photosynthesis from the leaves to other parts of the plant.

(a)  

157.

Select The Correct Statement:

a)

(A) Heterotrophs do not synthesize their own food

b)

(B) Heterotrophs utilize solar energy for photosynthesis

c)

(C) Heterotrophs synthesize their own food

d)

(D) Heterotrophs are capable of converting carbon dioxide and water into carbohydrates

158.

Which is the correct sequence of body parts in the human alimentary canal?

a)

(a) Mouth → stomach → small intestine → large intestine → oesophagus

b)

(b) Mouth → oesophagus → stomach → small intestine → large intestine

c)

(c) Mouth → stomach → oesophagus → smallintestine → large intestine

d)

(d) Mouth → oesophagus → stomach → large intestine → small intestine

159.

Choose The Event That Does Not Occur In Photosynthesis

a)

[A]. Absorption of light energy by chlorophyll.

b)

[B]. Reduction of carbon dioxide to carbohydrates.

c)

[C]. Oxidation of carbon to carbon dioxide.

d)

[D]. Conversion of light energy to chemical energy.

160.

In A Quiz Competition, You Are Asked A Question Where You Have To Choose The Statement Which Is/ Are Incorrect?

a)

[A]. The process in which the absorbed food is taken in by body cells and used for energy growth and repair is called assimilation.

b)

[B]. The process in which the digested food passes through the intestinal wall into bloodstream is called absorption.

c)

[C]. The process in which the food containing large in soluble molecules is broken down into small water-soluble molecules is called digestion.

d)

[D]. None of the above.

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156 questions

Energy Flow Review

quiz

Worksheet

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9th - 12th Grade

BioChem 1360: Unit 1

155 questions

BioChem 1360: Unit 1

quiz

Worksheet

•

9th Grade - University

Biology Final Review Semester 1

156 questions

Biology Final Review Semester 1

quiz

Worksheet

•

10th Grade

All Systems

158 questions

All Systems

quiz

Worksheet

•

9th - 12th Grade

Final Review

158 questions

Final Review

quiz

Worksheet

•

10th - 12th Grade

Population, Pollution, Waste, Forestry, Agriculture, and Energy

156 questions

Population, Pollution, Waste, Forestry, Agriculture, and Energy

quiz

Worksheet

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10th - 12th Grade