Question 1

What is the basic unit of life?

Accepted Answer

Cell

Answer

Virus

Answer

Atom

Answer

Molecule

Question 2

Which organ is primarily responsible for oxygen exchange in humans?

Accepted Answer

Lungs

Answer

Skin

Answer

Liver

Answer

Heart

Question 3

What process do plants use to make food?

Accepted Answer

Photosynthesis

Answer

Fermentation

Answer

Filtration

Answer

Respiration

Question 4

Which biomolecule is primarily involved in storing genetic information?

Accepted Answer

Nucleic acid

Answer

Protein

Answer

Lipid

Answer

Carbohydrate

Question 5

Which vitamin is essential for vision and skin health?

Accepted Answer

Vitamin A

Answer

Vitamin B

Answer

Vitamin C

Answer

Vitamin D

Question 6

What is the function of white blood cells?

Accepted Answer

Fight infections

Answer

Store nutrients

Answer

Carry oxygen

Answer

Produce bile

Question 7

Which part of the cell contains the genetic material?

Accepted Answer

Nucleus

Answer

Mitochondrion

Answer

Cytoplasm

Answer

Cell membrane

Question 8

In which habitat would you most likely find amphibians?

Accepted Answer

Freshwater habitats

Answer

Open oceans

Answer

Deserts

Answer

Polar ice caps

Question 9

What is the term for an animal that maintains a constant body temperature?

Accepted Answer

Mammal

Answer

Amphibian

Answer

Fish

Answer

Reptile

Question 10

What is the primary site of digestion in the human body?

Accepted Answer

Small intestine

Answer

Large intestine

Answer

Mouth

Answer

Stomach

Question 11

What type of cells carry oxygen in the blood?

Accepted Answer

Red blood cells

Answer

Platelets

Answer

Nerve cells

Answer

White blood cells

Question 12

What is the primary function of the roots in a plant?

Accepted Answer

Absorption of water and minerals

Answer

Support

Answer

Photosynthesis

Answer

Flowering

Question 13

What is common to all vertebrates?

Accepted Answer

Backbone

Answer

Wings

Answer

Cold blood

Answer

Ability to breathe underwater

Question 14

Which ecosystem is characterized by the presence of trees that lose their leaves annually?

Accepted Answer

Deciduous forest

Answer

Savanna

Answer

Tropical rainforest

Answer

Tundra

Question 15

What hormone is primarily responsible for regulating blood sugar levels?

Accepted Answer

Insulin

Answer

Estrogen

Answer

Adrenaline

Answer

Cortisol

Question 16

What does DNA stand for?

Accepted Answer

Deoxyribonucleic Acid

Answer

Dinitrogen Acid

Answer

Dynamic Nucleic Acid

Answer

Diatomic Nucleic Acid

Question 17

What is the powerhouse of the cell, known for energy production?

Accepted Answer

Mitochondria

Answer

Nucleus

Answer

Golgi apparatus

Answer

Endoplasmic reticulum

Question 18

What group of organisms primarily decomposes dead material?

Accepted Answer

Fungi

Answer

Reptiles

Answer

Mammals

Answer

Birds

Question 19

Which organ filters blood in the human body?

Accepted Answer

Kidney

Answer

Stomach

Answer

Liver

Answer

Heart

Question 20

What is not a type of connective tissue?

Accepted Answer

Muscle

Answer

Blood

Answer

Bone

Answer

Cartilage

Question 21

What is the name of the process by which plants release water vapor into the air?

Accepted Answer

Transpiration

Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Question 22

What structure in the plant cell is responsible for photosynthesis?

Accepted Answer

Chloroplast

Answer

Mitochondrion

Answer

Ribosome

Answer

Vacuole

Question 23

Which is a reproductive structure found in flowering plants?

Accepted Answer

Flower

Answer

Root

Answer

Leaf

Answer

Stem

Question 24

What type of muscle is the heart composed of?

Accepted Answer

Cardiac muscle

Answer

Skeletal muscle

Answer

Smooth muscle

Answer

Connective tissue

Question 25

Which organ system is primarily responsible for hormone production and regulation?

Accepted Answer

Endocrine system

Answer

Nervous system

Answer

Cardiovascular system

Answer

Respiratory system

Question 26

What is the term for the complete set of genes or genetic material present in a cell or organism?

Accepted Answer

Genome

Answer

Lipome

Answer

Enzymome

Answer

Proteome

Question 27

Which of these is not directly involved in the process of evolution?

Accepted Answer

Photosynthesis

Answer

Migration

Answer

Genetic drift

Answer

Natural selection

Question 28

What kind of bond is primarily involved in the formation of water molecules?

Accepted Answer

Covalent bond

Answer

Ionic bond

Answer

Metallic bond

Answer

Hydrogen bond

Question 29

Which vitamin is known to be synthesized by the human skin under sunlight?

Accepted Answer

Vitamin D

Answer

Vitamin C

Answer

Vitamin A

Answer

Vitamin B12

Question 30

What term describes an organism that can live without oxygen?

Accepted Answer

Anaerobic

Answer

Apathetic

Answer

Aerobic

Answer

Asymmetric

Question 31

What is the main component of the exoskeletons of arthropods?

Accepted Answer

Chitin

Answer

Calcium carbonate

Answer

Cellulose

Answer

Keratin

Question 32

What is the primary benefit of biodiversity in ecosystems?

Accepted Answer

Greater ecological stability

Answer

Lower species variation

Answer

Reduced resources

Answer

Increased pollution

Question 33

Which part of the brain is primarily responsible for memory and learning?

Accepted Answer

Hippocampus

Answer

Cerebellum

Answer

Medulla oblongata

Answer

Hypothalamus

Question 34

What is the term for a group of organisms of one species that live in the same area?

Accepted Answer

Population

Answer

Community

Answer

Biosphere

Answer

Ecosystem

Question 35

Which nutrient is primarily needed for building muscle?

Accepted Answer

Proteins

Answer

Carbohydrates

Answer

Vitamins

Answer

Fats

Question 36

What is the name of the theory that describes the movement of continents across the earth over time?

Accepted Answer

Continental Drift

Answer

Earth Movement Theory

Answer

Tectonic Shift

Answer

Plate Tectonics

Question 37

What type of cell division is used for growth and repair of tissues?

Accepted Answer

Mitosis

Answer

Budding

Answer

Binary fission

Answer

Meiosis

Question 38

Which biological molecule is primarily used by the body for energy?

Accepted Answer

Carbohydrates

Answer

Proteins

Answer

Lipids

Answer

Nucleic acids

Question 39

What is the scientific study of animal behavior called?

Accepted Answer

Ethology

Answer

Ecology

Answer

Entomology

Answer

Ethnology

Question 40

What term describes the relationship where one organism benefits and the other is harmed?

Accepted Answer

Parasitism

Answer

Mutualism

Answer

Symbiosis

Answer

Commensalism

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