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Science Eval 1 Class 7

Total questions: 150

Worksheet time: 1hrs 17mins

Name
Class
Date
1.

Organisms which prepare food for themselves using simple naturally available raw materials are referred to as

a)

heterotrophs

b)

autotrophs

c)

parasites

d)

saprophytes

2.

In the absence of which of the following will photosynthesis not occur in leaves?

a)

vacuole

b)

stomata

c)

chlorophyll

d)

cytoplasm

3.

Pitcher plant traps insects because it grows in soils which lack in ---------

(a)  

4.

The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is

a)

autotrophic

b)

parasitic

c)

saprophytic

d)

symbiotic

5.

insectivorous plant is

a)
b)
c)
d)
6.

Which of the following raw material is available in the air for photosynthesis?

a)

oxygen

b)

carbon dioxide

c)

nitrogen

d)

hydrogen

7.

Two organisms are good friends and live together. One provides shelter, water, and nutrients while the other prepares and provides food. Such an association of organisms is termed as

a)

saprophyte

b)

parasite

c)

autotrophs

d)

symbiosis

8.

which gas is produced during photosynthesis.

a)

carbon dioxide

b)

oxygen

c)

hydrogen

d)

nitrogen

9.

Organisms other than plants which contain Chlorophyll are

a)

Algae

b)

Protozoa

c)

Virus

d)

Fungi

10.

Foods synthesized in the process of Photosynthesis by plants is stored as

a)

Starch

b)

Protein

c)

Vitamins

d)

Fats

11.
What is the finger-like projections found in the digestive system called?
a)
Protozoa
b)
Villi
12.

The enzymes present in the saliva convert

a)

fats into fatty acids and glycerol.

b)

starch into simple sugars.

c)

proteins into amino acids.

d)

complex sugars into simple sugars.

13.

The piercing and tearing teeth is called

a)

incisor

b)

Canine

c)

Pre-molar

d)

Molar

14.

The basic process of digestion of food and release of energy is not the same in all animals.

a)

TRUE

b)

FALSE

15.

1) Glucose combines with oxygen and produces _________.

a)

Gas

b)

Energy

c)

Liquid

d)

Carbon

16.

______ takes in food by the use of pseudopodia.

a)

Goat

b)

Tiger

c)

Amoeba

d)

Human

17.

Water from the undigested food is absorbed mainly in the_____.

a)

Stomach

b)

Food Pipe

c)

Small Intestine

d)

Large Intestine

18.

The ___ helps in mixing saliva with food.

a)

Heart

b)

Stomach

c)

Nose

d)

Tongue

19.

____ is the largest gland in our body.

a)

Skin

b)

Hand

c)

Liver

d)

Leg

20.

Mostly grass eating animals are called____.

a)

Carnivore

b)

Omnivore

c)

Ruminants

d)

Scavenger

21.

2. Identify the given cells in the leaves of the plant:

a)

White blood cells

b)

Red blood cells

c)

Guard cells

d)

Platelets

22.

3. All green plants are ____________________.

a)

Autotrophs

b)

Heterotrophs

c)

Scavengers

d)

Decomposers

23.

4. Water and minerals are transported to the leaves and other parts of the plant by ____________________.

a)

Stomata

b)

Xylem vessels

c)

Phloem vessels

d)

None to the above

24.

5. Chlorophyll is present in the cell organelle called _________________.

a)

Cell membrane

b)

Cytoplasm

c)

Chloroplast

d)

Croton

25.

8. The mutual association in which two different types of organisms live and work together for their mutual benefit is called _______________________.

a)

Symbiosis

b)

Parasitic nutrition

c)

Saprophytic nutrition

d)

Autotrophic nutrition

26.

9. Which of the following is an insectivorous plant?

a)
b)
c)
d)
27.

The plant from which a parasite gets its food is called

a)

Host

b)

Chloroplats

c)

Doddar

d)

Green plants

28.

What does ‘photo ‘ in photosynthesis refer to

a)

Sun

b)

Water

c)

Light

d)

Carbon dioxide

29.

Which of the Following is a Saprophyte

a)

Green plants

b)

Mushroom

c)

Alga

d)

Rhizobium

30.

Stomata are

a)

Tiny pores located underside of Leaves

b)

Photo

c)

Synthesis

d)

Carbon

31.

Rhizobium can convert atmospheric nitrogen into water-soluble compounds

a)

False

b)

True

32.

Carbohydrates,Proteins and Fats are

a)

Nutrition

b)

Food

c)

Nutrients

d)

Autotrophs

33.

Pitcher plant traps insects because it

a)

(a) is a heterotroph.

b)

(b) grows in soils which lack in nitrogen.

c)

(c) does not have chlorophyll.

d)

(d) has a digestive system like human beings.

34.

chlorophyll captures

a)

carbon dioxide from surroundings

b)

energy of the sunlight

c)

minerals from soil

d)

water from air

35.

Starch is also a

a)

carbohydrate

b)

fats

c)

vitamins

d)

proteins

36.

Rhizobium is an example of

a)

(a) Symbiosis

b)

(b) Parasites

c)

(c) Insectivorous

d)

(d) none of these

37.

Foods synthesized in the process of Photosynthesis by plants is stored as

a)

Starch

b)

Protein

c)

Vitamins

d)

Fats

38.

In lichens ______________ and _____________ live in symbotic association.

a)

Bacteria and fungi

b)

Mushroom and Rhizobium

c)

Cuscuta and mistletoe

d)

Algae and fungi

39.

Leguminous plants are examples of _____________________ association.

a)

autotrophic

b)

saprophytic

c)

symbiotic

d)

parasitic

40.

Centrally located spherical structure in cell is the ___________________

a)

cytoplasm

b)

nucleus

c)

cell membrane

d)

cell wall

41.

Rhizobium is an example of

a)

Symbiosis

b)

Parasites

c)

Insectivorous

d)

None of these

42.

Green plants are

a)

Herbivores

b)

Autotrophs

c)

Heterotrophs

d)

Omnivores

43.

The tiny pores present in the leaves for exchange of gases are called

a)

Chloroplast

b)

Trachea

c)

Stomata

d)

Spiracles

44.

Which part of the plant gets carbon dioxide for photosynthesis?

a)

Root hair

b)

Leaf veins

c)

Stomata

d)

Sepals

45.

Iodine used to detect presence of starch changes to

a)

Red colour

b)

Blue-black colour

c)

Green colour

d)

Colourless

46.

Amarbel(Cuscuta) is an example of

a)

Autograph

b)

Saprophyte

c)

Host

d)

Parasite

47.

The plant which traps and feeds on insects is

a)

China rose

b)

Cuscuta

c)

Pitcher plant

d)

Rose

48.

Which of the following is used by green plants to prepare food?

a)

Water

b)

Sunlight

c)

Carbon dioxide

d)

All of these

49.

Which if the following statement is not true?

a)

Heterotrophs cannot prepare their own food

b)

Dodder is an example of parasite

c)

Saprophytes are green

d)

Pulses and beans are legumes

50.

The main function of a leaf is

a)

To prepare food

b)

To prevent disease

c)

To support the plant

d)

To give a proper shape

51.

The components that are necessary for our body are called

a)

Vitamins

b)

Pulses

c)

Nutrients

d)

Minerals

52.

The mode of nutrition in which organisms make their own food from simple substances is called

a)

Heterotrophic Nutrition

b)

Autotrophic Nutrition

c)

Saprotrophic Nutrition

d)

All of these

53.

Some organisms live together and share shelter and nutrients. This is called

a)

Predation

b)

Symbiotic relationship

c)

Autotrophs

d)

Heterotrophs

54.

The bacterium which provides nitrogen to the leguminous plants is

a)

Rhizobium

b)

Yeast

c)

Fungi

d)

Lichens

55.

Mushroom is

a)

Autotrophic

b)

Heterotrophic

c)

Saprotrophic

d)

Fungus

56.

Carnivorous plants are found on

a)

Nitrogen deficient soil

b)

O2 deficient soil

c)

CO2 deficient soil

d)

None of these

57.

Which of the following is not required for photosynthesis?

a)

Sunlight

b)

Oxygen

c)

Water

d)

Carbon dioxide

58.

.Which of the following describes the characteristic of a living being?

a)

Nutrition

b)

Excretion

c)

Respiration

d)

All the above

59.

Amarbel is a common name of

a)

Nepenthes

b)

Cuscuta

c)

Fucus

d)

Drosera

60.

Lichens are the association between

a)

algae and roots

b)

algae and fungi

c)

fungi and bacteria

d)

bacteria and algae

61.

Ultimate source of energy for living organisms is

a)

plants

b)

water

c)

sun

d)

herbivores

62.

The presence of _____ in leaves indicates the occurance of photosynthesis.

a)

Oxygen

b)

Starch

c)

Proteins

d)

Fats

63.

I Am White And Soft. I Grow Well In The Rainy Season. Children Pluck Me From The Ground And Admire Me. But I Absorb Nutrients From Dead Animals And Plants”.

a)

[A]. White Lotus

b)

[B]. Mushroom

c)

[C]. Pitcher plant

d)

[D]. White Marigold

64.

In The Absence Of Which Of The Following Will Photosynthesis Not Occur In Leaves?

a)

[A]. Guard cells

b)

[B]. Chlorophyll

c)

[C]. Vacuole

d)

[D]. Space between cells

65.

1) Glucose combines with oxygen and produces _________.

a)

Gas

b)

Energy

c)

Liquid

d)

Carbon

66.

______ takes in food by the use of pseudopodia.

a)

Goat

b)

Tiger

c)

Amoeba

d)

Human

67.

The inner walls of the stomach secrete _________.

a)

Mucus & hydrochloric acid

b)

Bile

c)

Lime

d)

Salt

68.

In _____ most of the nutrients are absorbed by the small intestine.

a)

Lotus plant

b)

Rosemary

c)

Human beings

d)

Ant

69.

Water from the undigested food is absorbed mainly in the_____.

a)

Stomach

b)

Food Pipe

c)

Small Intestine

d)

Large Intestine

70.

_____transports the nutrients from the undigested food to every cell of the body.

a)

Oxygen

b)

Blood

c)

Water

d)

Nitrogen

71.

______secretes pancreatic juice.

a)

Liver

b)

Brain

c)

Pancreas

d)

Skin

72.

The ___ helps in mixing saliva with food.

a)

Heart

b)

Stomach

c)

Nose

d)

Tongue

73.

MilkTeeth fall off in _____.

a)

Children

b)

Adult

c)

Old Man

d)

Old Lady

74.

____ catches insects with it’s tongue.

a)

Snail

b)

Human

c)

Lion

d)

Frog

75.

The Digested food is absorbed by____.

a)

Small Intestine

b)

Large Intestine

c)

Lungs

d)

Brain

76.

____ is the largest gland in our body.

a)

Skin

b)

Hand

c)

Liver

d)

Leg

77.

Amoeba digests its food in the ____.

a)

Food vacuole

b)

Stomach

c)

Liver

d)

Intestine

78.

The mode of feeding of the mosquito_____.

a)

Chewing

b)

Cuddling

c)

Scraping

d)

Sucking

79.

Digestion starts from _____.

a)

Mouth

b)

Stomach

c)

Liver

d)

Ribs

80.

Mostly grass eating animals are called____.

a)

Carnivore

b)

Omnivore

c)

Ruminants

d)

Scavenger

81.

Liver secrets _____.

a)

Acid

b)

Bile Juice

c)

Base

d)

Water

82.

Salivary glands secrets____.

a)

Bile Juice

b)

Hydrochloric Acid

c)

Blood

d)

Sugar

83.

The process of breaking down of food is called__.

a)

Digestion

b)

Ingestion

c)

Excretion

d)

Respiration

84.

The process of food intake is known as ______.

a)

Excretion

b)

Calculation

c)

Respiration

d)

Ingestion.

85.
What does the liver secrets?
a)
Bile
b)
Pancreatic juice
86.
Bile is stored in the pancreas.
a)
True
b)
False
87.
What is the finger-like projections found in the digestive system called?
a)
Protozoa
b)
Villi
88.

The process of intake of food is called...........

a)

Ingestion

b)

Digestion

c)

Absorption

d)

Assimilation

89.

The longest part of the digestive tract in humans is the ........................

a)

Oesophagus

b)

Stomach

c)

Small Intestine

d)

Large Intestine

90.

Human dental formula is ...................

a)

2123 / 2123

b)

2231 / 2231

c)

1223 /1223

d)

2131 /2131

91.

The digestive juice which doesnot contain digestive enzymes .

a)

Saliva

b)

Gastric juice

c)

Bile juice

d)

Pancreatic juice

92.

How many Incisors will be there in adult buccal cavity including upper jaw and lower jaw?

a)

2

b)

4

c)

6

d)

8

93.

Identify ruminant from the following.

a)

Cat

b)

Cow

c)

Ant

d)

Tiger

94.

In amoeba,ingestion of food takes place with the help of false feet called................

a)

Vacuole

b)

Lysosome

c)

Arms

d)

Pseudopodia

95.

Largest gland in the human body

a)

Buccal cavity

b)

Brain

c)

Liver

d)

Intestine

96.

Name the process by which the digested food molecules are taken up by the intestine wall and sent to circulatory system.

a)

Assimilation

b)

Digestion

c)

Absorption

d)

Egestion

97.

______ takes in food by the use of pseudopodia.

a)

Goat

b)

Tiger

c)

Amoeba

d)

Human

98.

The inner walls of the stomach secrete _________.

a)

Mucus & hydrochloric acid

b)

Bile

c)

Lime

d)

Salt

99.

Water from the undigested food is absorbed mainly in the_____.

a)

Stomach

b)

Food Pipe

c)

Small Intestine

d)

Large Intestine

100.

______secretes pancreatic juice.

a)

Liver

b)

Brain

c)

Pancreas

d)

Skin

101.

The ___ helps in mixing saliva with food.

a)

Heart

b)

Stomach

c)

Nose

d)

Tongue

102.

The Digested food is absorbed by____.

a)

Small Intestine

b)

Large Intestine

c)

Lungs

d)

Brain

103.

Digestion starts from _____.

a)

Mouth

b)

Stomach

c)

Liver

d)

Ribs

104.

Mostly grass eating animals are called____.

a)

Carnivore

b)

Omnivore

c)

Ruminants

d)

Scavenger

105.

Lemon juice is ....................... in taste

a)

Sour

b)

Bitter

c)

Salty

d)

Sweet

106.

Which of the following is a Mineral Acid?

a)

Citric Acid

b)

Oxalic Acid

c)

Glycolic Acid

d)

Sulphuric Acid

107.

Fruits such as oranges , lemon etc, contain ........................... Acid

a)

Citric

b)

Lactic

c)

Ascorbic

d)

Acetic

108.

Which one of the following is not a neutral substance ?

a)

Glucose

b)

Sodium Hydroxide

c)

Urea

d)

Sugar

109.

Bases are generally ............................ to touch

a)

Hot

b)

Cold

c)

Soapy

d)

Rough

110.

Bases turn Red litmus to ...................

a)

Green

b)

Yellow

c)

Blue

d)

Black

111.

If the given solution neither changes the colour of the red litmus nor blue litmus paper , it is ..........................

a)

An Acid

b)

A base

c)

Neutral

d)

Colourless

112.

Hydrochloric Acid solution affect .......................... litmus paper

a)

Red

b)

Blue

c)

Both of these

d)

None of these

113.

Bases turn yellow turmeric paper to ...........................

a)

Green

b)

Red

c)

Pink

d)

Orange

114.

Methyl Orange is a

a)

Natural

b)

Human-Made

c)

Pink

d)

Colourless

115.

Which method is recommended to dilute an acid

a)

An acid is added to water

b)

Water added to acid

116.

The Substance which turns Blue litmus red is ......................

a)

Basic

b)

Acidic

c)

Neutral

d)

All of these

117.

Which of the following is a property of an Acid ?

a)

Sour taste

b)

Sweet Taste

c)

Bitter Taste

d)

Salty Taste

118.

Milk of magnesia contains .............................

a)

Sodium

b)

Potassium

c)

Magnesium

d)

Ammonium

119.

Manure is added , when the soil is too ...................................

a)

Acidic

b)

Basic

c)

Neutral

d)

None of these

120.

Hcl+____->Nacl+H20

a)

Mg0

b)

NaOH

c)

Fe

d)

C02

121.

what are the products of neutralisation ?

a)

acid and a base

b)

water and salt

c)

salt and a base

d)

acid and water

122.

Phenolphthalein is a synthetic indicator and its colours in

acidic and basic solutions, respectively are

a)

red and blue

b)

blue and yellow

c)

colorless and pink

d)

red and yellow

123.

‘Litmus’, a natural dye is an extract of which of the following?

a)

China rose (Gudhal)

b)

Beetroot

c)

Lichen

d)

Blue berries (Jamun)

124.

Neutralisation reaction is a

a)

physical and reversible change.

b)

physical change that cannot be reversed.

c)

chemical and reversible change.

d)

chemical change that cannot be reversed.

125.

what type of change is this?

a)

chemical

b)

physical

126.

Which of the following set of substances contain acids?

a)

Grapes, lime water

b)

Vinegar, soap

c)

Curd, milk of magnesia

d)

Curd, vinegar

127.

On adding phenolphthalein indicator to a colourless solution,

no change is observed. What is the nature of this solution?

a)

Basic

b)

Either acidic or basic

c)

Either acidic or neutral

d)

Either basic or neutral

128.

what is the nature of lime juice?​

a)

neutral

b)

basic

c)

acidic

129.

All substances are either acidic or basic.

a)

true

b)

false

130.

A compound if acidic will turn all indicators red.

a)

true

b)

false

131.

Lime water turns red litmus blue.

a)

true

b)

false

132.
What tool do we use to measure temperature?
a)
Thermometer
b)
Ruler
c)
Balance
d)
Magnifying Glass
133.
What temperature does the thermometer show?
a)
80° F
b)
81° F
c)
82° F
d)
85° F
134.

Which thermometers temperature is about 25° Celcius?

a)

Red

b)

green

c)

blue

d)

blue and red

135.

How do we measure temperature?

a)

In Degrees

b)

In Centimeters

c)

In Inches

d)

In Pounds

136.
___________________ is a measure of how hot or cold something is
a)
Humidity
b)
Temperature
c)
Water
d)
Precipitation
137.

Solar energy comes from water.

a)

True

b)

False

138.

This type of material allows heat to pass through it easily.

a)

Conductor

b)

Insulator

c)

Water

d)

Degrees

139.

Heat travels from cooler objects to warmer objects.

a)

True

b)

False

140.

What happens to the mercury (liquid) in a thermometer when it is hot?

a)

It explodes

b)

It expands

c)

It contracts

d)

It disappears

141.

What are the two scales used to measure temperature?

a)

Bathroom and Kitchen Scales

b)

Degrees and Heat

c)

Hot and Cold

d)

Celsius and Fahrenheit

142.

NAME THE ELEMENT USED IN THERMOMETER

a)

MAGNESIUM

b)

CALCIUM

c)

MERCURY

d)

ALUMINIUM

143.

IDENTIFY THE THERMOMETER

a)

CLINICAL THERMOMETER

b)

DIGITAL THERMOMETER

c)

LABORATORY THERMOMETER

d)

BOTH 1 AND 2

144.

THERE ARE TWO OBJECTS TOUCHING TO EACH OTHER.THE OBJECT A HAS TEMPERATURE 70O C AND OBJECT B HAS TEMPERATURE 46OC .THERE WILL TRANSFER OF HEAT FROM

a)

A TO B

b)

B TO A

c)

NO TRANSFER

d)

BOTH 1 AND 2

145.

WHICH THERMOMETER IS USED TO MEASURE TEMPERATURE OF HOT WATER

a)
b)
c)
d)

NONE ON THE ABOVE

146.

The normal temperature of human body is

a)

39℃

b)

42℃

c)

27℃

d)

37℃

147.

A clinical thermometer read temperature from____________

a)

35°C to 42°C

b)

10°C to 110°C

c)

42°C to 35°C

148.

The materials which allow heat to pass through them easily are called___________

a)

Conductors

b)

Insulators

c)

Heat

d)

Radiation

149.
Is this a land or a sea breeze?
a)
land breeze
b)
sea breeze
150.
In a sea breeze, the air is warmer above the _____.
a)
land
b)
ocean
c)
sky
d)
beach

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