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7 Biology quiz

Total questions: 125

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

Organisms which produce their own food are called

a)

Autotrophs

b)

Heterotrophs

c)

Saprotrophs

d)

Parasites

2.

Which of the following component of food contains Nitrogen

a)

Carbohydrate

b)

Protein

c)

Fat

d)

Minerals

3.

Which of the following is a parasite

a)

Fungus

b)

Cuscuta

c)

Mushroom

d)

Bacteria

4.

Which of the following is not necessary for photosynthesis

a)

Chlorophyll

b)

Carbon dioxide gas

c)

Oxygen

d)

Water

5.

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

a)

Starch

b)

Protein

c)

Vitamins

d)

Fats

6.

Ultimate source of energy for all living organisms is

a)

Plants

b)

Atmosphere

c)

Earth

d)

Sun

7.

Living organisms obtain energy from

a)

Carbon Dioxide

b)

Food

c)

Water

d)

Oxygen

8.

Organisms other than plants which contain Chlorophyll are

a)

Algae

b)

Protozoa

c)

Virus

d)

Fungi

9.

The process of Photosynthesis produces

a)

Carbon Dioxide

b)

Nitrogen

c)

Oxygen

d)

Hydrogen

10.

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

a)

vacuole

b)

stomata

c)

chlorophyll

d)

cytoplasm

11.

Which of the following statements is/are correct?

(i) All green plants can prepare their own food.

(ii) Most animals are autotrophs.

(iii) Carbon dioxide is not required for photosynthesis.

(iv) Oxygen is liberated during photosynthesis.

Choose the correct answer from the options below:

a)

( i) and (iv)

b)

(ii) only

c)

(ii) and (iii)

d)

(i) and (ii)

12.

minerals obtained by plants are selectively absorbed from

a)

stem

b)

root

c)

leaves

d)

flower

13.

What protects Stomata and helps it in opening and closing?

a)

Guard Cells

b)

Leaf

c)

Stem

d)

Carbon Dioxide

14.

What are absorbed through Soil?

a)

Water

b)

Minerals

c)

Carbon Dioxide

d)

Sunlight

15.

Which bacteria is there in the roots of the plants to convert atmospheric nitrogen to its solid form?

a)

Coronovirus

b)

Nipha Virus

c)

Treponama

d)

Rhizobium

16.

Which of the following is the word equation of photosynthesis?

a)

carbon dioxide + water --> glucose + oxygen

b)

oxygen + water --> glucose + carbon dioxide

c)

carbon dioxide + water --> starch + oxygen

d)

oxygen + glucose --> carbon dioxide + water

17.
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)
(a) saprophyte
b)
(b) parasite
c)
(c) autotroph
d)
(d) symbiosis
18.
The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is
a)
(a) autotrophic
b)
(b) insectivorous
c)
(c) saprophytic
d)
(d) parasitic
19.
Mushroom is a 
a)
Autotroph
b)
Saprotroph
c)
Insectivorous
d)
Parasite
20.
Pitcher plant is a
a)
Insectivorous
b)
Parasite
c)
Saprotroph
d)
Fungi
21.
Plant take CO2 from the Atmosphere mainly through the ___________
a)
Roots
b)
Leaves
c)
Flowers
d)
Stem
22.
Iodine turns black with __________
a)
Starch
b)
Protein
c)
Carbohydrate
d)
None
23.
The green colour of the leaf is due to presence of __________
a)
Chlorophyll
b)
Iron
c)
Starch
d)
Iodine
24.
The example of Symbiotic relationship is
a)
Cuscuta
b)
Lichens
c)
Fungi
d)
Mushroom
25.

Which is a definition for photosynthesis?

a)

Releasing energy from nutrients

b)

The breaking down of large insoluble molecules into small soluble molecules

c)

The process by which plants make carbohydrates from raw materials using energy from light

d)

The movement of particles from a high concentration to a low concentration

26.
The plant tissue that carries food materials DOWNWARD from the leaves to the rest of the pant is the ______.
a)
Phloem
b)
Stomata
c)
Chlorophyll
d)
Xylem
27.
Vascular tissue that transports water and minerals UPWARDS from a plant's roots is know as ______.
a)
Chlorophyll
b)
Phloem
c)
Stomata
d)
Xylem
28.

Which of the following component of food contains Nitrogen

a)

Carbohydrate

b)

Protein

c)

Fat

d)

Minerals

29.

The bodies of living organism are made of tiny units called (a)   .

30.

Most Cells have a distinct, centrally located spherical structure called the ________.

a)

Nucleus

b)

Cytoplasm

c)

Chlorophyll

d)

Mitochondria

31.
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)
(a) saprophyte
b)
(b) parasite
c)
(c) autotroph
d)
(d) symbiosis
32.
When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which ofthe following is the term given to such openings?
a)
(a) Stomata
b)
(b) Lamina
c)
(c) Midrib
d)
(d) Veins
33.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + glucose
b)
CO2 + glucose + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + glucose
d)
CO2 + O2 + H2O --> Light+ glucose
34.
Major source of engery
a)
protein
b)
vitamins
c)
carbohydrates
d)
fat
35.
comes from sugar and starch
a)
carbohydrates
b)
fat
c)
protein
36.

What is stored in the form of food in the leaves with the help of chlorophyll?

a)

Nitrogen

b)

Protein

c)

Kinetic Energy

d)

Solar Energy

37.
What is the finger-like projections found in the digestive system called?
a)
Protozoa
b)
Villi
38.

Digestion converts protein into which simpler substance?

(a)  

39.

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.

40.

The piercing and tearing teeth is called

a)

incisor

b)

Canine

c)

Pre-molar

d)

Molar

41.

Which of the following pair of teeth differ in structure but are similar in function?

a)

canines and incisors.

b)

molars and premolars.

c)

incisors and molars.

d)

premolars and canines.

42.

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

a)

TRUE

b)

FALSE

43.

Choose the correct order after reading the statement below.


Digestion is a complex process involving:

a)

Ingestion, Absorption, Digestion, Assimilation, Egestion

b)

Ingestion, Digestion, Assimilation, Absorption, Egestion

c)

Ingestion, Digestion, Absorption, Assimilation, Egestion

d)

Ingestion, Absorption, Assimilation, Digestion, Egestion

44.

______ takes in food by the use of pseudopodia.

a)

Goat

b)

Tiger

c)

Amoeba

d)

Human

45.

Water from the undigested food is absorbed mainly in the_____.

a)

Stomach

b)

Food Pipe

c)

Small Intestine

d)

Large Intestine

46.

The ___ helps in mixing saliva with food.

a)

Heart

b)

Stomach

c)

Nose

d)

Tongue

47.

____ is the largest gland in our body.

a)

Skin

b)

Hand

c)

Liver

d)

Leg

48.

The mode of feeding of the mosquito_____.

a)

Chewing

b)

Cuddling

c)

Scraping

d)

Sucking

49.

Mostly grass eating animals are called____.

a)

Carnivore

b)

Omnivore

c)

Ruminants

d)

Scavenger

50.

______ takes in food by the use of pseudopodia.

a)

Goat

b)

Tiger

c)

Amoeba

d)

Human

51.

The inner walls of the stomach secrete _________.

a)

Mucus & hydrochloric acid

b)

Bile

c)

Lime

d)

Salt

52.

______secretes pancreatic juice.

a)

Liver

b)

Brain

c)

Pancreas

d)

Skin

53.

MilkTeeth fall off in _____.

a)

Children

b)

Adult

c)

Old Man

d)

Old Lady

54.

The Digested food is absorbed by____.

a)

Small Intestine

b)

Large Intestine

c)

Lungs

d)

Brain

55.

Amoeba digests its food in the ____.

a)

Food vacuole

b)

Stomach

c)

Liver

d)

Intestine

56.

Digestion starts from _____.

a)

Mouth

b)

Stomach

c)

Liver

d)

Ribs

57.

Liver secrets _____.

a)

Acid

b)

Bile Juice

c)

Base

d)

Water

58.

The process of breaking down of food is called__.

a)

Digestion

b)

Ingestion

c)

Excretion

d)

Respiration

59.

The process of food intake is known as ______.

a)

Excretion

b)

Calculation

c)

Respiration

d)

Ingestion.

60.

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

a)

Lotus plant

b)

Rosemary

c)

Human beings

d)

Ant

61.

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

a)

Oesophagus

b)

Stomach

c)

Small Intestine

d)

Large Intestine

62.

Name the finger like projections present in the small intestine which helps in nutrient absorption

a)

Buccal cavity

b)

Duodenum

c)

Pancreas

d)

Villi

63.

The digestive juice which doesnot contain digestive enzymes .

a)

Saliva

b)

Gastric juice

c)

Bile juice

d)

Pancreatic juice

64.

Identify ruminant from the following.

a)

Cat

b)

Cow

c)

Ant

d)

Tiger

65.

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

a)

Vacuole

b)

Lysosome

c)

Arms

d)

Pseudopodia

66.

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

67.
What does the liver secrets?
a)
Bile
b)
Pancreatic juice
68.
Bile is stored in the pancreas.
a)
True
b)
False
69.

What are the products of aerobic respiration?

a)

Carbon Dioxide and Energy

b)

Lactic Acid

c)

Water and Carbon Dioxide

d)

Glycogen and Carbon Dioxide

70.

What are the products of anaerobic respiration in a human cell?

a)

Energy and Lactic Acid

b)

Lactic Acid

c)

Lactic Acid and Carbon Dioxide

d)

Carbon Dioxide and Water

71.

What is the chemical formula for glucose?

a)

C6H12O6

b)

C12H6O12

c)

C6O12H6

d)

6CH2O

72.

Where in the body does respiration take place? Select the best answer.

a)

The lungs

b)

The muscles

c)

All cells

d)

The blood

73.
Which organ excretes carbon dioxide?
a)
Lungs
b)
Liver
c)
Heart
d)
Kidney
74.
What is the organ "x"
a)
Heart
b)
Lungs
c)
Diaphragm
d)
Trachea
75.

Yeast is a

a)

Multicellular

b)

Carnivore

c)

Anaerobe

d)

Single-celled organism

76.

Lungs are present in the

a)

Chest Cavity

b)

Nasal cavity

c)

Respiration

d)

Diaphragm

77.

During inhalation diaphragm moves

a)

Down

b)

Left

c)

Right

d)

Up

78.

Small openings on the side of the cockroaches body is called as

a)

Trachea

b)

Spiracles

c)

Glucose

d)

None

79.

Earthworms skin is

a)

Moist and slimy

b)

Moist and rough

c)

Rough and slippery

d)

Rough and slimy

80.

When we inhale air, it passes through our nostrils into the

a)

Nasal cavity

b)

Chest cavity

c)

Tracheae

d)

Spiracles

81.

The respiratory system works with the ________ to help with Cellular Respiration

a)

Nervous system

b)

Circulatory System

c)

Muscular System

d)

Endocrine System

82.

Which of these is a product of cellular respiration?

a)

ATP

b)

Carbon dioxide

c)

Water

d)

All of these are a product of cellular respiration

83.

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

84.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
85.
Anaerobic respiration.....
a)
doesn't require CO2
b)
requires CO2
c)
doesn't require oxygen
d)
requires oxygen
86.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
87.

When breakdown of glucose occurs with the use of oxygen it is called

a)

aerobic respiration

b)

anaerobic respiration

c)

cellular respiration

d)

anaerobes

88.

Cellular Respiration takes place in

a)

anaerobes

b)

Cells of all organisms

c)

Animals

d)

Humans

89.

When we inhale air, it passes through our nostrils into the

a)

nasal cavity

b)

chest cavity

c)

tracheae

d)

spiracles

90.

Lungs are present in the

a)

Chest Cavity

b)

Nasal cavity

c)

Respiration

d)

Diaphragm

91.

In the cells Oxygen is used to break down

a)

glucose into carbon di oxide

b)

Glucose into carbon di oxide and water

c)

water into carbon di oxide

d)

carbon di oxide into water

92.

In animals like cows buffaloes dog and cat the respiratory organs and the process is similar or different?

a)

similar

b)

different

93.

Is there difference between breathing and respiration

a)

Yes

b)

No

94.

What is respiration

(a)  

95.

What is breathing?

(a)  

96.

Identify the type of forests.

a)

Tropical Rainforests

b)

Tropical Deciduous forests

c)

Mangrove forests

97.

Deforestation means

a)

large scale planting of trees

b)

large scale cutting down of trees

c)

both of these

d)

none of these

98.

The removal of soil by wind or water is known as

a)

Soil Conservation

b)

Soil Protection

c)

Soil Erosion

99.

Which of these is not true about forests?

a)

Provide home to animals

b)

help in causing rainfall

c)

prevent soil erosion

d)

purify air by absorbing oxygen and releasing carbon dioxide

100.
Which of the following biomes covers much of the eastern half of the United States?
a)
grassland
b)
desert
c)
temperate deciduous forest
d)
coniferous forest
101.
Coniferous forests are made up primarily of trees that _______________.
a)
change color in the fall
b)
bear cones
c)
shed their leaves
d)
have thin bark
102.
Woodpeckers live in which forest?
a)
Coniferous Forest
b)
Tropical Rain Forest
c)
Deciduous Forest
103.
The tropical rainforest is the liveliest ______ on earth.
a)
ecosystem
b)
biosphere
c)
exosystem
d)
mountain range
104.
Which layer of the rainforest is this describing: This layer is known as the "green blanket" that shields sunlight from reaching the forest floor.
a)
Forest Floor
b)
Understory
c)
Canopy
d)
Emergent
105.

bark

a)
b)
c)
d)
106.

pine tree

a)
b)
c)
d)
107.

Habitats are areas that

a)

share that same weather, plants and animals

b)

share only the same weather

c)

share only the same plants

d)

have the same weather

108.

Which of the following serve as green lung?

a)

Green pigment of the plants

b)

Forests

c)

Kitchen garden

d)

Greenhouse Gases

109.

Refers to the upper layer or habitat zone.

a)

Canopy

b)

Crown

c)

Humus

d)

Forest regeneration

110.

a natural home or environment of an animal , plant , or other organism is called a ________________.

a)

Adaptation

b)

Crown

c)

Decomposers

d)

Habitat

111.

State whether the statement is 'True' or 'False'

Evergreen forests remain green throughout the year?

a)

True

b)

False

112.

What are some of the deciduous trees?

a)

Kikar and Babul

b)

Teak, Sal and Sandalwood

c)

None of the above

113.

Deciduous forests are also called _____________.

a)

Evergreen forests

b)

Thorn forests

c)

Monsoon forests

d)

Coniferous forests

114.

____________________ forests are found in areas with very little rainfall.

a)

Evergreen

b)

Thorn

c)

Monsoon

d)

Deciduous

115.

______________forests are found in the deltas of rivers such as Ganga, Mahanadi and Godavari.

a)

Evergreen

b)

Thorn

c)

Coniferous

d)

Mangrove and Tidal

116.

________________ forests are found in Rajasthan, Gujarat and Haryana.

a)

Evergreen

b)

Thorn

c)

Coniferous

d)

Mangrove and Tidal

e)

Deciduous

117.

________________ forests are found in the Himalayan region and Nilgiri Hills.

a)

Evergreen

b)

Thorn

c)

Mountain or Coniferous

d)

Mangrove and Tidal

e)

Deciduous

118.

How many legs does a spider have?

a)

Ten

b)

Six

c)

Eight

d)

Twelve

119.
Biodeversity
a)
A broadleaf evergreen forest found in wet and hot regions near the equator
b)
The variety of plants and animals living in one area.
c)
The process by which carbon and oxygen cycle among plants, people, and animals.
d)
Removing or clearing away the trees from a forest. 
120.
Carbon-Oxygen Cycle
a)
A broadleaf evergreen forest found in wet and hot regions near the equator
b)
The variety of plants and animals living in one area.
c)
The process by which carbon and oxygen cycle among plants, people, and animals.
d)
Removing or clearing away the trees from a forest. 
121.
Deforestation
a)
A broadleaf evergreen forest found in wet and hot regions near the equator
b)
The variety of plants and animals living in one area.
c)
The process by which carbon and oxygen cycle among plants, people, and animals.
d)
Removing or clearing away the trees from a forest. 
122.
Ecosystem
a)
A community of all the living things in an area and the environment in which they live.
b)
All living things that love to live. 
c)
All living things that order from Domino's. 
d)
Our nearest sister-galaxy. 
123.
Scientists believe that the Amazon rainforest creates ____% of the earth's oxygen.
a)
10
b)
25
c)
50
d)
75
124.
People who fight to protect the Earth and it's natural state of being. 
a)
Hipsters. 
b)
Hippies. 
c)
Environmentalists.
d)
Endangered species. 
125.
Habitat
a)
The natural environment in which a plant or animal lives. 
b)
Where Mike Tyson got his facial tattoo. 
c)
A large unbroken mass of land.
d)
Lebron's cat's name. 

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