Life science trivia

200 Life science trivia questions, no sign-in. Review your misses in the LoreUp app.

• Where in an adult's body are red blood cells and the other blood cells made?The human body
• Which part of the brain holds the centres that control the heartbeat and breathing?The human body
• Which structure inside the ear senses the turning of the body?The human body
• Which vitamin is made in the skin when it is exposed to sunlight?The human body
• About how many times a minute does the heart of a healthy adult beat at rest?The human body
• Where in the body is the longest human bone found?The human body
• Which organ is reckoned the largest in the human body by both area and weight?The human body
• Which nutrient is the main building material of the body, including muscle, hair and nails?The human body
• Which part of the eye focuses by growing thicker for near objects and thinner for distant ones?The human body
• Which nutrient does the digestive enzyme in saliva break down?The human body
• An adult's small intestine is shorter than the large intestine.The human body
• There is no oxygen left in the air a person breathes out.The human body
• The left half of the cerebrum mainly controls movement on the right side of the body.The human body
• Each taste has its own zone on the tongue, with sweetness sensed at the tip and bitterness at the back.The human body
• The pupil of the eye gets bigger when you step into a bright place.The human body
• The human heart is divided into four chambers.The human body
• A human bone cannot knit itself back together once it has broken.The human body
• Sweating helps to bring body temperature down.The human body
• The tongue is an organ made of muscle, with no bone inside it.The human body
• If part of the liver is cut away, what remains can grow back to nearly its original size.The human body
• When observing mitosis in a plant, which part is usually taken as the material?Cells and life processes
• Which process has a cell break down nutrients to get the energy it needs to live?Cells and life processes
• Which organism has a body made of a single cell?Cells and life processes
• Which cell is counted as the largest in diameter in the human body?Cells and life processes
• Which nutrient do cells draw on first for energy, earning it the label of the body's main energy source?Cells and life processes
• In an animal body, which level is formed by cells of similar shape and function grouped together?Cells and life processes
• Which process has the cells descended from a fertilized egg take on different shapes and functions, as in muscle and nerve?Cells and life processes
• Which cell is the longest in the human body?Cells and life processes
• Which substance builds up when glucose is broken down in muscle cells that are short of oxygen?Cells and life processes
• When cabbage is packed in salt, water moves out of the cabbage cells.Cells and life processes
• A person's muscle cells and nerve cells differ in shape and function because they carry different genetic information.Cells and life processes
• Which type of cell has no fixed role yet and can turn into many different kinds of cells?Cells and life processes
• Cell division happens only while the body is growing and stops once a person becomes an adult.Cells and life processes
• Cancer is a disease in which cells keep dividing without stopping and multiply out of control.Cells and life processes
• An adult human body is made up of a few thousand cells in total.Cells and life processes
• Water is the substance that makes up the largest share of a living cell.Cells and life processes
• The visible part of a fingernail or a hair is made of dead cells that have hardened.Cells and life processes
• A mature human red blood cell has no nucleus.Cells and life processes
• Plant cells have chloroplasts, so they contain no mitochondria.Cells and life processes
• Once an enzyme has acted a single time, it is used up and cannot work again.Cells and life processes
• Which sugar joins the phosphate and the base to form a nucleotide in DNA?Genetics
• What do we call a group of three bases in mRNA that specifies one amino acid?Genetics
• What pair of sex chromosomes does a woman carry?Genetics
• In the ABO system, what blood type does a person have after inheriting one A gene and one B gene?Genetics
• What do we call an illness caused by genetic information inherited from one's parents?Genetics
• Which substance does a cell build from the information written in a gene, so that a trait shows on the outside?Genetics
• What do we call the small differences in appearance and character seen between individuals of the same species?Genetics
• What do we call a pair of chromosomes of the same size and shape, one inherited from each parent?Genetics
• Which pattern of inheritance gives an intermediate trait, such as pink flowers from a cross of red and white ones?Genetics
• In Down syndrome, which chromosome is present in one extra copy?Genetics
• Mitochondrial DNA reaches a child through the father.Genetics
• A trait that varies continuously, such as human height, is set by a single gene.Genetics
• A mutation that arises in a body cell such as a skin or liver cell is normally not passed on to offspring.Genetics
• Identical twins come from a single fertilized egg that splits in two.Genetics
• A trait carried by only one of the two parents cannot be passed on to a child.Genetics
• DNA is found only in animals, not in plants or bacteria.Genetics
• Sex chromosomes take part in deciding a person's sex.Genetics
• Two parents who both have blood type A can have a child with blood type O.Genetics
• Red-green color blindness is tied to a gene on the X chromosome and shows up more often in men.Genetics
• The many breeds of dogs and cats are the result of people choosing and mating animals that had the traits they wanted.Genetics