Biology Mock 2026

Question 1 of 50

Which organelle is the site of aerobic respiration?

Question 2 of 50

Which blood vessel carries blood away from the heart?

Question 3 of 50

An organism that makes its own food from simple substances is a

Question 4 of 50

Which organelle is found in plant cells but not in animal cells?

Question 5 of 50

How many chromosomes are in a normal human body cell?

Question 6 of 50

Which kingdom do mushrooms belong to?

Question 7 of 50

Which of the following is an arthropod?

Question 8 of 50

The raw materials for photosynthesis are

Question 9 of 50

The functional unit of the kidney is the

Question 10 of 50

Which of the following is a function of the xylem?

Question 11 of 50

The cell organelle responsible for protein synthesis is the

Question 12 of 50

The movement of water molecules from a dilute solution to a concentrated solution through a selectively permeable membrane is

Question 13 of 50

The type of cell division that produces gametes is

Question 14 of 50

The scientific naming of organisms using two names (genus and species) is called

Question 15 of 50

Animals that maintain a constant body temperature are described as

Question 16 of 50

In a monohybrid cross between two heterozygous tall plants (Tt × Tt), the ratio of tall to short offspring is

Question 17 of 50

A plant cell placed in a concentrated salt solution will

Question 18 of 50

Urea is formed in the

Question 19 of 50

A test cross is done by crossing an organism with one that is

Question 20 of 50

A person with blood group AB has the genotype

Question 21 of 50

In the life cycle of a moss, the dominant, green, leafy plant is the

Question 22 of 50

A white blood cell engulfing a bacterium is an example of

Question 23 of 50

Releasing hormones or enzymes from a cell in vesicles that fuse with the membrane is

Question 24 of 50

DNA replication is described as semi-conservative because

Question 25 of 50

Mangrove trees in estuaries have pneumatophores, which are

Question 26 of 50

A test cross is made with an individual that is

Question 27 of 50

A father with blood group A (genotype AO) and a mother with group B (BO) can have children with blood groups

Question 28 of 50

In the ABO blood group system, alleles A and B are

Question 29 of 50

Crossing over, which mixes genes between chromosomes, happens during

Question 30 of 50

A learner has a mass of 70 kg and a height of 1.75 m. What is the BMI?

Question 31 of 50

In mosses, the dominant generation is the

Question 32 of 50

Hybrid vigour (heterosis) means that offspring

Question 33 of 50

Organs with the same basic structure but different functions, such as a human arm and a bat wing, are

Question 34 of 50

A child of parents with blood groups AO and BO could have blood group

Question 35 of 50

A cell with 46 chromosomes undergoes meiosis. Each daughter cell has

Question 36 of 50

A plant cell placed in a hypertonic solution becomes

Question 37 of 50

Which organelle would be most abundant in muscle cells?

Question 38 of 50

Which feature distinguishes monocots from dicots?

Question 39 of 50

Organisms with a notochord at some stage belong to the phylum

Question 40 of 50

A segmented worm with chaetae belongs to the phylum

Question 41 of 50

In an experiment to show that light is necessary for photosynthesis, the plant is first destarched by

Question 42 of 50

Leaves are boiled in alcohol during a starch test in order to

Question 43 of 50

Which enzyme digests protein in the small intestine?

Question 44 of 50

ADH (antidiuretic hormone) increases

Question 45 of 50

A potometer measures the rate of

Question 46 of 50

Cells that secrete enzymes would have a well-developed

Question 47 of 50

The cell membrane is described by the

Question 48 of 50

The limiting factor of photosynthesis on a bright, cool day is most likely

Question 49 of 50

The respiratory quotient (RQ) for carbohydrate respiration is

Question 50 of 50

Which part of the nephron reabsorbs most glucose?