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जीवन का चक्र

Total questions: 73

Worksheet time: 36mins

Name
Class
Date
1.

A 7-pound baby becomes a 180-pound man

a)

Excretion

b)

Respiration

c)

Metabolism

d)

Growth

2.

Sunflowers were given their name because they turn to face the Sun. This is an example of which life process?

a)

Respiration

b)

Growth

c)

Excretion

d)

Movement

3.

The cells utilize glucose to produce energy

a)

Nutrition

b)

Excretion

c)

Respiration

d)

Homeostasis

4.

The food that animals eat cannot be used directly by cells. What is the process of turning food into energy called?

a)

Excretion

b)

Nutrition

c)

Respiration

d)

Growth

5.

Waste products are eliminated during perspiration.

a)

Circulation

b)

Homeostasis

c)

Excretion

d)

Metabolism

6.

Whales eat plankton and plants make their own food from sunlight. These are examples of which life process?

a)

Reproduction

b)

Nutrition

c)

Movement

d)

Sensitivity

7.

Food provides energy for movement and other life processes. What else does food allow a living organism to do?

a)

Rest

b)

Grow

c)

Camouflage itself

d)

Become a predator

8.

Which of the following is true?

a)

Only animals share the seven life processes

b)

Only plants share the seven life processes

c)

Plants and animals share all seven life processes

d)

Plants and animals only share four life processes

9.

If you accidentally touch a very hot cup of milk and pull your hand back quickly, you are demonstrating which life process?

a)

Sensitivity

b)

Growth

c)

Nutrition

d)

Respiration

10.

All living things do certain things to stay alive.

a)

breathing

b)

organ system

c)

life processes

d)

reproduction

11.

Which is not an example of reproduction?

a)

A dandelion produces and disperses its seeds

b)

A cat has kittens

c)

A large rock is crushed into thousands of small pieces of gravel

d)

A strawberry plant runner grows a new plantlet

12.
The levels of organization in an organism from largest to smallest are atoms, elements, molecules, compounds, cells, tissues, organs, and organ system. 
a)
True
b)
False
13.
What is the basic unit of structure and function in a living thing? 
a)
a cell 
b)
a tissue 
c)
an organ 
d)
an organ system 
14.
Functional units of food absorption are-
a)
VILLI
b)
STOMACH
c)
LIVER
d)
FOOD PIPE
15.
One of the following is not an enzyme of digestive system.
a)
PEPSIN
b)
LIPASE
c)
TRYPSIN
d)
ENTEROGASTRONE
16.
The basic functional unit of human kidney is-
a)
NEPHRON
b)
SYNAPSE
c)
NEURON
d)
GLOMERULUS
17.
Normal systolic pressure in humans is-
a)
80mmHg
b)
120mmHg
c)
150mmHg
d)
40mmHg
18.
The trachea divides into two smaller tubes called ______.
a)
Trachea
b)
Bronchi
c)
Alveoli
d)
Bronchioles
19.
Storage form of glucose molecules (C6H12O6) in plant is-
a)
 Starch
b)
Cellulose
c)
Glycogen
d)
Glucagon
20.
Diabetic people need to- 
a)
increase water intake
b)
reduce water intake
c)
eliminate any physical activity
d)
increase sweet intake
21.

Organisms are made of at least two cells

a)

Multicellular

b)

Unicellular

22.

Organisms consist of only one cell

a)

Multicellular

b)

Unicellular

c)

Organisms can't consist of only one cell

23.

Which side has a high concentration of molecules?

a)

Right

b)

Left

24.

A piece of apple is placed in a dish filled with salt water. Which direction will the water flow?

a)

From the apple into the salt water

b)

From the salt water into the apple

c)

Equally in both directions

d)

The water will not flow in either direction

25.

A person sweats to keep body temperature at a safe level

a)

Nutrition

b)

Digestion

c)

Homeostasis

d)

Circulation

26.

The cells utilize glucose to produce energy

a)

Nutrition

b)

Excretion

c)

Respiration

d)

Homeostasis

27.

the human body produces hormones, vitamins, proteins, enzymes, etc. to keep it functioning.

a)

Homeostasis

b)

Regulation

c)

Circulation

d)

Metabolism

28.

What's in a picture?

a)

excretion

b)

respiration

c)

movement

d)

reproduction

29.

What's in a picture?

a)

movement

b)

growth

c)

sensetivity

d)

excretion

30.

What's in a picture?

a)

growth

b)

respiration

c)

movement

d)

sensetivity

31.

What's in a picture?

a)

growth

b)

reproduction

c)

respiration

d)

nutrition

32.

What are the two gases that animals exchange with their surrounding?

a)

oxygen and nitrogent

b)

hydrogen and carbon dioxide

c)

nitrogen and helium

d)

carbon dioxide and oxygen

33.
The main nitrogen-containing waste excreted in urine by humans is
a)
AMMONIA
b)
UREA
c)
URIC ACID
d)
NUCLEOTIDE
34.

Which describes the life process regulation?

a)

Breaking down food into molecules usable by cells

b)

Taking in food

c)

Maintaining a stable internal environment

d)

Taking in or releasing oxygen or carbon dioxide

35.

The process by which food is changed into a form the body can use.

a)

Nutrition

b)

Synthesis

c)

Digestion

d)

Respiration

36.

The bloodstream brings oxygen and food to cells.

a)

Synthesis

b)

Growth

c)

Excretion

d)

Circulation

37.

What is digestion?

a)

Breaking down food into molecules usable by cekks

b)

Taking in food or drink

c)

Maintaining a stable internal environment

d)

Taking in or releasing of oxygen or carbon dioxide

38.

Which describes the life process regulation?

a)

Breaking down food into molecules usable by cells

b)

Taking in food

c)

Maintaining a stable internal environment

d)

Taking in or releasing oxygen or carbon dioxide

39.

Which is NOT a way for organisms to respond to their environment to maintain stable internal conditions?

a)

Plants close their stomata to reduce water loss

b)

Sweating to cool off

c)

Produce urine to conserve water

d)

Animals grow and change throughout their lives

40.

Which side of the membrane has a low concentration of molecules?

a)

Right

b)

Left

41.

Which side has a high concentration of molecules?

a)

Right

b)

Left

42.

What process is shown?

a)

Active Transport

b)

Diffusion

c)

Osmosis

d)

Exchange of molecules

43.

What do you call this type of membrane?

a)

Perforated

b)

selectively permeable

c)

Permeable

d)

Semi-access

44.

Osmosis takes place when __________.

a)

Glucose is broken down to release energy

b)

The cell gets rid of waste products

c)

Only when equilibrium is possible

d)

Water moves in or out through the cell membrane

45.

Chemical reaction in which energy is released from food

a)

Nutrition

b)

Sensitivity

c)

Respiration

d)

Excretion

46.

Plants are autotrophs because they produce their own food in a process called

a)

Respiration

b)

Photosynthesis

c)

Reproduction

47.

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

a)

Respiration

b)

Excretion

c)

Nutrition

d)

Reproduction

48.

Look at the picture, this is an example of ...

a)

Nutrition

b)

Irritability

c)

Movement

d)

Reproduction

49.

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.

50.

Insects sense the changes in the environment by ...

a)

their simple eyes

b)

their antennae

c)

their skin

51.

This process keeps plant and animal species existence, by the production of offsprings.

a)

Nutrition

b)

Excretion

c)

Reproduction

d)

Movement

52.

Scientists state that on Mars a long time ago there were life, beacuse they found the presence of water that is the main ingredient for...

a)

Respiration

b)

Excretion

c)

Growth

d)

Nutrition

53.

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

a)

oxygen

b)

fructose

c)

glucose

d)

carbon dioxide

54.

One of the following options is not a waste product ...

a)

urine

b)

blood

c)

carbon dioxide

d)

waste

55.

Waste products are eliminated during perspiration.

a)

Circulation

b)

Homeostasis

c)

Excretion

d)

Metabolism

56.
The main nitrogen-containing waste excreted in urine by humans is
a)
AMMONIA
b)
UREA
c)
URIC ACID
d)
NUCLEOTIDE
57.
Normal systolic pressure in humans is-
a)
80mmHg
b)
120mmHg
c)
150mmHg
d)
40mmHg
58.
The trachea divides into two smaller tubes called ______.
a)
Trachea
b)
Bronchi
c)
Alveoli
d)
Bronchioles
59.

Blood is pumped from the heart to the entire body by

a)

Aoarta

b)

Pulmonary artery

c)

Pulmonary vein

d)

Vena cava

60.

Which vein brings back clean blood from lungs to heart

a)

Pulmonary artery

b)

Pulmonary vein

c)

Aoarta

d)

Vena cava

61.

In anaerobic respiration the amount of ATP produced overall is

a)

2 ATP

b)

38 ATP

c)

36 ATP

d)

40 ATP

62.

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

a)

Urethra

b)

Nephron

c)

Tubule

d)

Ureter

63.

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

a)

Plasma

b)

Urine

c)

Lymph

d)

None

64.

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

a)

capillary

b)

Vein

c)

All

d)

artery

65.

The movement of food in phloem is called:

a)

transpiration

b)

translocation

c)

respiration

d)

evaporation

66.

Glycolysis takes place in the __________ of the cell.

a)

mitochondria

b)

ribosomes

c)

cytoplasm

d)

Golgi complex

67.

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

a)

Xylem

b)

Phloem

c)

Parenchyma

d)

Collenchyma

68.

_______________ is the final product of glycolysis.

a)

carbon dioxide

b)

ATP

c)

Pyruvic acid

d)

acetyl coA

69.

The continuous contractions and relaxations of the digestive organs is called

a)

peristalsis

b)

photosynthesis

c)

expansion

d)

constriction

70.

_________________ artery carries deoxygenated blood.

a)

aortic

b)

pulmonary

c)

renal

d)

inferior

71.

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

a)

osmosis

b)

transportation

c)

diffusion

d)

elimination

72.

It is the site of gaseous exchange in human lungs.

a)

villi

b)

alveoli

c)

trachea

d)

larynx

73.
Which of the following is a product of fermentation?
a)
Methanol
b)
Oxygen
c)
Ethanol
d)
Lactic acid

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