Question 1

What is the function of the chloroplasts in plant cells?

Accepted Answer

Photosynthesis

Answer

Digestion

Answer

Protein synthesis

Answer

Cell respiration

Question 2

Which part of the cell is responsible for controlling what enters and leaves the cell?

Accepted Answer

Cell membrane

Answer

Nucleus

Answer

Ribosome

Answer

Cytoplasm

Question 3

What is the primary function of red blood cells?

Accepted Answer

Transporting oxygen

Answer

Producing hormones

Answer

Fighting infections

Answer

Clotting blood

Question 4

Which organelle is known as the powerhouse of the cell?

Accepted Answer

Mitochondria

Answer

Endoplasmic reticulum

Answer

Golgi apparatus

Answer

Lysosome

Question 5

What type of bond holds the two strands of DNA together?

Accepted Answer

Hydrogen bonds

Answer

Metallic bonds

Answer

Ionic bonds

Answer

Covalent bonds

Question 6

Which process do plants use to convert sunlight into chemical energy?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Answer

Fermentation

Question 7

What is the role of enzymes in biological reactions?

Accepted Answer

Catalysts that speed up reactions

Answer

Substrates that are used up

Answer

Waste that is released

Answer

Products that are formed

Question 8

What is the primary function of the small intestine in the digestive system?

Accepted Answer

Nutrient absorption

Answer

Bile production

Answer

Water reabsorption

Answer

Food storage

Question 9

What is the main purpose of the kidney in the human body?

Accepted Answer

Filtering waste from the blood

Answer

Regulating body temperature

Answer

Producing hormones

Answer

Digesting food

Question 10

Which gas is produced as a waste product of cellular respiration?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Nitrogen

Answer

Hydrogen

Question 11

What is the primary function of the stomata in plant leaves?

Accepted Answer

Gas exchange

Answer

Nutrient absorption

Answer

Water storage

Answer

Photosynthesis

Question 12

Which part of the cell is responsible for producing energy?

Accepted Answer

Mitochondria

Answer

Chloroplasts

Answer

Nucleus

Answer

Ribosomes

Question 13

What is the process by which plants make their own food?

Accepted Answer

Photosynthesis

Answer

Fermentation

Answer

Respiration

Answer

Transpiration

Question 14

What is the main function of red blood cells in the human body?

Accepted Answer

Transporting oxygen

Answer

Producing hormones

Answer

Clotting blood

Answer

Fighting infections

Question 15

Which of the following is a feature of plant cells that is not found in animal cells?

Accepted Answer

Cell wall

Answer

Ribosomes

Answer

Nucleus

Answer

Mitochondria

Question 16

Which organ in the human body is primarily responsible for filtering blood?

Accepted Answer

Kidneys

Answer

Liver

Answer

Lungs

Answer

Heart

Question 17

What is the main purpose of chlorophyll in plants?

Accepted Answer

To absorb light energy for photosynthesis

Answer

To aid in cell division

Answer

To provide energy storage

Answer

To transport nutrients

Question 18

What type of bond holds the atoms in a water molecule together?

Accepted Answer

Covalent bond

Answer

Ionic bond

Answer

Hydrogen bond

Answer

Metallic bond

Question 19

Which part of the nervous system is responsible for voluntary movements?

Accepted Answer

Somatic nervous system

Answer

Autonomic nervous system

Answer

Peripheral nervous system

Answer

Central nervous system

Question 20

What is the term for the genetic makeup of an organism?

Accepted Answer

Genotype

Answer

Chromosome

Answer

Phenotype

Answer

Allele

Question 21

What is the process by which plants make their own food using sunlight?

Accepted Answer

Photosynthesis

Answer

Fermentation

Answer

Respiration

Answer

Digestion

Question 22

What organ in the human body is primarily responsible for pumping blood?

Accepted Answer

Heart

Answer

Kidneys

Answer

Liver

Answer

Lungs

Question 23

Which part of a cell contains the genetic material?

Accepted Answer

Nucleus

Answer

Ribosome

Answer

Cell membrane

Answer

Mitochondria

Question 24

Which type of blood vessel carries oxygenated blood away from the heart?

Accepted Answer

Artery

Answer

Vein

Answer

Aorta

Answer

Capillary

Question 25

What is the basic unit of life?

Accepted Answer

Cell

Answer

Tissue

Answer

Organ

Answer

Organism

Question 26

Which organelle is known as the powerhouse of the cell?

Accepted Answer

Mitochondria

Answer

Chloroplast

Answer

Ribosome

Answer

Endoplasmic reticulum

Question 27

What is the primary function of the large intestine?

Accepted Answer

Water absorption

Answer

Digestion of proteins

Answer

Bile storage

Answer

Production of insulin

Question 28

What term describes a group of organisms of the same species living in a particular area?

Accepted Answer

Population

Answer

Ecosystem

Answer

Biome

Answer

Community

Question 29

Which macromolecule is primarily used by the body for energy?

Accepted Answer

Carbohydrates

Answer

Lipids

Answer

Nucleic acids

Answer

Proteins

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