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Quiz Bowl: Living Things

Total questions: 143

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

What is the basic unit of life?

a)

Atom

b)

Molecule

c)

Cell

d)

Tissue

2.

Which of the following is a living thing?

a)

Rock

b)

Dog

c)

Water

d)

Air

3.

Which process do plants use to make their own food?

a)

Respiration

b)

Photosynthesis

c)

Digestion

d)

Germination

4.

Which gas do plants release during photosynthesis?

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Hydrogen

5.

Which gas do humans and animals need to breathe?

a)

Carbon dioxide

b)

Nitrogen

c)

Oxygen

d)

Hydrogen

6.

What do we call the place where an organism lives?

a)

Shelter

b)

Habitat

c)

Ecosystem

d)

Community

7.

Which of the following is NOT a need of living things?

a)

Food

b)

Water

c)

Air

d)

Toys

8.

Which is an example of a producer?

a)

Lion

b)

Grass

c)

Human

d)

Snake

9.

Which is an example of a consumer?

a)

Tree

b)

Grass

c)

Cow

d)

Mushroom

10.

Which is an example of a decomposer?

a)

Cat

b)

Bacteria

c)

Bird

d)

Fish

11.

Which of these is an example of an ecosystem?

a)

Lake

b)

Tree

c)

Fish

d)

Dog

12.

What do plants need to grow?

a)

Soil, water, sunlight, air

b)

Toys, soil, light

c)

Oxygen only

d)

Rain only

13.

Which group of organisms cannot make their own food?

a)

Producers

b)

Consumers

c)

Plants

d)

Algae

14.

What is a group of the same species living in an area called?

a)

Community

b)

Ecosystem

c)

Population

d)

Habitat

15.

What is a group of different species living together called?

a)

Community

b)

Population

c)

Ecosystem

d)

Habitat

16.

Which is an example of a carnivore?

a)

Cow

b)

Cat

c)

Horse

d)

Rabbit

17.

Which is an example of a herbivore?

a)

Dog

b)

Cow

c)

Snake

d)

Eagle

18.

Which is an omnivore?

a)

Lion

b)

Human

c)

Cow

d)

Goat

19.

The process of breaking down food inside the body is called:

a)

Respiration

b)

Circulation

c)

Digestion

d)

Photosynthesis

20.

Which organ helps humans breathe?

a)

Heart

b)

Lungs

c)

Stomach

d)

Brain

21.

What do animals use to move?

a)

Skeleton and muscles

b)

Heart and lungs

c)

Stomach and liver

d)

Brain and eyes

22.

Which organ pumps blood throughout the body?

a)

Stomach

b)

Lungs

c)

Heart

d)

Brain

23.

Which organ controls the body?

a)

Brain

b)

Heart

c)

Stomach

d)

Lungs

24.

Which is the largest organ of the human body?

a)

Liver

b)

Skin

c)

Heart

d)

Brain

25.

Plants breathe in:

a)

Oxygen

b)

Carbon dioxide

c)

Hydrogen

d)

Nitrogen

26.

Plants give off:

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Water vapor only

27.

What type of organism is a mushroom?

a)

Plant

b)

Fungus

c)

Animal

d)

Bacteria

28.

Which is an example of a biotic factor?

a)

Sunlight

b)

Soil

c)

Tree

d)

Water

29.

Which is an abiotic factor?

a)

Dog

b)

Sunlight

c)

Grass

d)

Bird

30.

Which part of a plant absorbs water from the soil?

a)

Stem

b)

Roots

c)

Leaves

d)

Flowers

31.

Which part of a plant makes food?

a)

Roots

b)

Stem

c)

Leaves

d)

Flowers

32.

Which part of a plant carries water to the leaves?

a)

Stem

b)

Roots

c)

Flower

d)

Seeds

33.

Which part of the plant is used for reproduction?

a)

Roots

b)

Stem

c)

Flower

d)

Leaves

34.

Which is an adaptation of camels in the desert?

a)

Thick fur

b)

Ability to store water

c)

Gills for breathing

d)

Sticky pads

35.

Which animal is known as the "king of the jungle"?

a)

Tiger

b)

Lion

c)

Elephant

d)

Wolf

36.

Which bird is known for its ability to mimic sounds?

a)

Parrot

b)

Eagle

c)

Owl

d)

Pigeon

37.

What do we call animals that eat dead plants and animals?

a)

Decomposers

b)

Herbivores

c)

Carnivores

d)

Omnivores

38.

Which organ helps fish breathe underwater?

a)

Lungs

b)

Gills

c)

Fins

d)

Scales

39.

Which organ do humans use to see?

a)

Ears

b)

Eyes

c)

Nose

d)

Skin

40.

Which organ do humans use to smell?

a)

Eyes

b)

Ears

c)

Nose

d)

Mouth

41.

Which sense organ detects sound?

a)

Nose

b)

Ear

c)

Skin

d)

Eyes

42.

Which sense organ detects taste?

a)

Nose

b)

Eyes

c)

Tongue

d)

Skin

43.

Which sense organ feels touch?

a)

Eyes

b)

Nose

c)

Skin

d)

Tongue

44.

Which bird cannot fly?

a)

Parrot

b)

Penguin

c)

Pigeon

d)

Sparrow

45.

Which animal is the largest mammal?

a)

Elephant

b)

Blue whale

c)

Hippopotamus

d)

Giraffe

46.

Which insect makes honey?

a)

Ant

b)

Bee

c)

Butterfly

d)

Mosquito

47.

Which organelle is known as the "powerhouse of the cell"?

a)

Nucleus

b)

Mitochondria

c)

Ribosome

d)

Cytoplasm

48.

Which organelle controls cell activities?

a)

Cytoplasm

b)

Mitochondria

c)

Nucleus

d)

Chloroplast

49.

Which organelle is found only in plant cells?

a)

Nucleus

b)

Ribosome

c)

Chloroplast

d)

Mitochondria

50.

Which organism can make its own food?

a)

Human

b)

Dog

c)

Cow

d)

Plant

51.

Which is an example of an abiotic factor?

a)

Grass

b)

Soil

c)

Insects

d)

Birds

52.

What do we call the living and nonliving things interacting together in one area?

a)

Habitat

b)

Ecosystem

c)

Community

d)

Population

53.

Which of the following is a food chain?

a)

Grass → Cow → Lion

b)

Sun → Soil → Rock

c)

Water → Air → Plant

d)

Cloud → Rain → River

54.

In a food chain, plants are always:

a)

Decomposers

b)

Consumers

c)

Producers

d)

Predators

55.

Which organism is at the top of many food chains?

a)

Decomposer

b)

Apex predator

c)

Producer

d)

Herbivore

56.

What do decomposers return to the soil?

a)

Heat

b)

Nutrients

c)

Oxygen

d)

Carbon dioxide only

57.

Which is an example of mutualism?

a)

Tick on a dog

b)

Bee pollinating a flower

c)

Lion hunting a zebra

d)

Fungus feeding on a tree

58.

Which is an example of parasitism?

a)

Birds cleaning crocodile teeth

b)

Tick feeding on a dog

c)

Fish swimming together

d)

Mushroom on a log

59.

Which is an example of commensalism?

a)

Remora fish hitching on sharks

b)

Lion and zebra

c)

Bee and flower

d)

Tick and dog

60.

Which is a biotic factor?

a)

Temperature

b)

Sunlight

c)

Plant

d)

Soil

61.

Which process releases energy from food in cells?

a)

Photosynthesis

b)

Respiration

c)

Transpiration

d)

Circulation

62.

Which organelle do plant cells use for photosynthesis?

a)

Nucleus

b)

Chloroplast

c)

Ribosome

d)

Mitochondria

63.

Which pigment in plants captures sunlight?

a)

Melanin

b)

Chlorophyll

c)

Hemoglobin

d)

Carotene

64.

Which type of energy begins all food chains?

a)

Chemical energy

b)

Sunlight

c)

Heat energy

d)

Sound

65.

The process of water loss through plant leaves is called:

a)

Photosynthesis

b)

Transpiration

c)

Respiration

d)

Evaporation

66.

Which part of the plant is responsible for reproduction?

a)

Stem

b)

Root

c)

Flower

d)

Leaf

67.

Which type of consumer eats both plants and animals?

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

Producer

68.

Which animal is a scavenger?

a)

Lion

b)

Vulture

c)

Dog

d)

Rabbit

69.

Which is an example of adaptation in polar bears?

a)

Long legs

b)

Thick fur and fat layer

c)

Gills for breathing

d)

Sticky pads

70.

Which is an example of adaptation in desert plants?

a)

Large flat leaves

b)

Thick stems to store water

c)

Soft leaves

d)

Short roots

71.

Which is the process by which plants release oxygen?

a)

Photosynthesis

b)

Respiration

c)

Digestion

d)

Transpiration

72.

Which group of vertebrates lay eggs in water?

a)

Mammals

b)

Amphibians

c)

Reptiles

d)

Birds

73.

Which vertebrate group has feathers?

a)

Amphibians

b)

Mammals

c)

Birds

d)

Reptiles

74.

Which vertebrate group produces milk for young?

a)

Birds

b)

Amphibians

c)

Mammals

d)

Reptiles

75.

Which invertebrates have jointed legs?

a)

Mollusks

b)

Arthropods

c)

Worms

d)

Sponges

76.

Which of these animals undergo metamorphosis?

a)

Dog

b)

Cat

c)

Butterfly

d)

Fish

77.

Which stage comes first in a butterfly's life cycle?

a)

Caterpillar

b)

Egg

c)

Pupa

d)

Adult

78.

Which is the pupa stage in a butterfly?

a)

Caterpillar

b)

Chrysalis

c)

Egg

d)

Adult

79.

What type of reproduction involves only one parent?

a)

Sexual reproduction

b)

Asexual reproduction

c)

Fertilization

d)

Pollination

80.

Which type of reproduction involves male and female gametes?

a)

Asexual

b)

Sexual

c)

Binary fission

d)

Budding

81.

Which is an example of asexual reproduction?

a)

Pollination in flowers

b)

Budding in Hydra

c)

Fertilization in humans

d)

Egg laying in birds

82.

Which part of the plant develops into a fruit?

a)

Leaf

b)

Stem

c)

Ovary

d)

Root

83.

Which part of the plant develops into a seed?

a)

Ovary

b)

Ovule

c)

Petal

d)

Root

84.

What is pollination?

a)

Transfer of pollen from stamen to pistil

b)

Formation of seeds

c)

Growth of roots

d)

Making of food

85.

Which pollinators are most common?

a)

Birds

b)

Bees

c)

Fish

d)

Frogs

86.

Which adaptation helps fish move in water?

a)

Feathers

b)

Gills

c)

Fins

d)

Wings

87.

Which organ do birds use for breathing?

a)

Gills

b)

Lungs

c)

Spiracles

d)

Skin

88.

Which organ do earthworms use for breathing?

a)

Lungs

b)

Gills

c)

Skin

d)

Spiracles

89.

What is the main energy source for ecosystems?

a)

Soil

b)

Sunlight

c)

Water

d)

Oxygen

90.

Which human activity causes deforestation?

a)

Planting trees

b)

Cutting trees

c)

Recycling

d)

Conserving water

91.

Which is an effect of deforestation?

a)

More oxygen

b)

Loss of habitat

c)

More rainfall

d)

Stronger soil

92.

Which is a way to conserve water?

a)

Leaving taps open

b)

Reusing water

c)

Polluting rivers

d)

Overwatering plants

93.

Which is an endangered animal?

a)

Dog

b)

Lion

c)

Panda

d)

Cow

94.

Which practice helps protect the environment?

a)

Throwing trash anywhere

b)

Recycling materials

c)

Burning plastics

d)

Cutting trees

95.

Which gas causes global warming when too much is in the air?

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Helium

96.

Which process in plants removes carbon dioxide from the air?

a)

Respiration

b)

Photosynthesis

c)

Transpiration

d)

Decomposition

97.

Which of the following is an autotroph?

a)

Human

b)

Cow

c)

Algae

d)

Dog

98.

Which of the following is a heterotroph?

a)

Grass

b)

Tree

c)

Fungus

d)

Algae

99.

Which level of organization comes after population?

a)

Organism

b)

Community

c)

Cell

d)

Tissue

100.

Which level of organization comes after community?

a)

Habitat

b)

Population

c)

Ecosystem

d)

Organism

101.

Which process removes carbon dioxide and releases oxygen into the air?

a)

Respiration

b)

Photosynthesis

c)

Decomposition

d)

Fermentation

102.

Which is the main source of oxygen on Earth?

a)

Forests

b)

Oceans

c)

Grasslands

d)

Deserts

103.

Which biome has the greatest biodiversity?

a)

Desert

b)

Tundra

c)

Rainforest

d)

Grassland

104.

Which biome has permanently frozen soil (permafrost)?

a)

Desert

b)

Tundra

c)

Rainforest

d)

Grassland

105.

Which adaptation helps desert animals conserve water?

a)

Living in groups

b)

Thick fur

c)

Nocturnal activity

d)

Bright colors

106.

Which is an example of mimicry?

a)

Chameleon changing color

b)

Viceroy butterfly resembling monarch

c)

Penguin swimming fast

d)

Camel storing water

107.

Which is an example of camouflage?

a)

Leaf insect resembling leaves

b)

Bee pollinating a flower

c)

Lion hunting a zebra

d)

Vulture feeding on dead animals

108.

Which is the correct order in a food chain?

a)

Producer → Consumer → Decomposer

b)

Consumer → Producer → Decomposer

c)

Producer → Decomposer → Consumer

d)

Decomposer → Producer → Consumer

109.

Which is the role of decomposers?

a)

Eat both plants and animals

b)

Break down dead matter

c)

Store water

d)

Make food

110.

Which gas do animals exhale during respiration?

a)

Oxygen

b)

Nitrogen

c)

Carbon dioxide

d)

Hydrogen

111.

Which organelle is called the "powerhouse of the cell"?

a)

Nucleus

b)

Chloroplast

c)

Mitochondria

d)

Ribosome

112.

Which system in humans transports nutrients and oxygen?

a)

Respiratory system

b)

Circulatory system

c)

Digestive system

d)

Nervous system

113.

Which system breaks down food into nutrients?

a)

Digestive system

b)

Circulatory system

c)

Respiratory system

d)

Skeletal system

114.

Which body system controls all other systems?

a)

Circulatory system

b)

Nervous system

c)

Skeletal system

d)

Digestive system

115.

Which body system provides structure and support?

a)

Nervous system

b)

Muscular system

c)

Skeletal system

d)

Respiratory system

116.

Which animal lays eggs but feeds milk to its young?

a)

Platypus

b)

Dog

c)

Cat

d)

Whale

117.

Which group of vertebrates has dry, scaly skin?

a)

Amphibians

b)

Reptiles

c)

Mammals

d)

Birds

118.

Which group of vertebrates undergoes metamorphosis?

a)

Birds

b)

Amphibians

c)

Reptiles

d)

Mammals

119.

Which group of invertebrates has segmented bodies?

a)

Arthropods

b)

Worms

c)

Sponges

d)

Mollusks

120.

Which arthropods have eight legs?

a)

Insects

b)

Crustaceans

c)

Arachnids

d)

Worms

121.

Which adaptation helps birds fly?

a)

Heavy bones

b)

Hollow bones

c)

Thick bones

d)

No bones

122.

Which part of the flower produces pollen?

a)

Stigma

b)

Stamen

c)

Ovary

d)

Ovule

123.

Which part of the flower receives pollen?

a)

Ovule

b)

Stigma

c)

Petal

d)

Sepal

124.

Which is the male reproductive part of the flower?

a)

Stigma

b)

Anther

c)

Ovary

d)

Sepal

125.

Which is the female reproductive part of the flower?

a)

Sepal

b)

Pistil

c)

Petal

d)

Stamen

126.

Which process forms a zygote in plants?

a)

Pollination

b)

Fertilization

c)

Germination

d)

Photosynthesis

127.

Which process begins the growth of a new plant from a seed?

a)

Germination

b)

Fertilization

c)

Pollination

d)

Photosynthesis

128.

Which biome has the least rainfall?

a)

Rainforest

b)

Desert

c)

Tundra

d)

Grassland

129.

Which biome has four seasons and many deciduous trees?

a)

Desert

b)

Temperate forest

c)

Tundra

d)

Rainforest

130.

Which is the main cause of global warming?

a)

Oxygen

b)

Nitrogen

c)

Carbon dioxide

d)

Helium

131.

Which gas causes acid rain when combined with water?

a)

Oxygen

b)

Sulfur dioxide

c)

Carbon dioxide

d)

Nitrogen

132.

Which human activity causes the ozone layer to thin?

a)

Deforestation

b)

Burning plastics

c)

Using CFCs

d)

Carpooling

133.

Which practice helps reduce waste?

a)

Burning trash

b)

Recycling materials

c)

Cutting trees

d)

Overfishing

134.

Which is an example of renewable energy?

a)

Coal

b)

Oil

c)

Wind

d)

Gasoline

135.

Which is an example of non-renewable energy?

a)

Solar

b)

Oil

c)

Wind

d)

Geothermal

136.

Which organisms form the base of the food chain in oceans?

a)

Fish

b)

Whales

c)

Phytoplankton

d)

Sharks

137.

Which cycle involves evaporation, condensation, and precipitation?

a)

Carbon cycle

b)

Nitrogen cycle

c)

Water cycle

d)

Oxygen cycle

138.

Which cycle involves photosynthesis and respiration?

a)

Water cycle

b)

Oxygen-carbon cycle

c)

Nitrogen cycle

d)

Rock cycle

139.

Which cycle involves bacteria turning nitrogen gas into usable forms?

a)

Oxygen cycle

b)

Nitrogen cycle

c)

Water cycle

d)

Carbon cycle

140.

Which animal is considered a keystone species?

a)

Dog

b)

Lion

c)

Wolf

d)

Rabbit

141.

Which is the term for species that no longer exist?

a)

Endangered

b)

Extinct

c)

Threatened

d)

Native

142.

Which is an invasive species in many countries?

a)

Panda

b)

Water hyacinth

c)

Eagle

d)

Koala

143.

Which practice is the best for protecting biodiversity?

a)

Deforestation

b)

Wildlife conservation

c)

Overfishing

d)

Pollution

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