Biology Mock 2024

Question 1 of 50

The system of naming each organism with a genus and a species name was developed by

Question 2 of 50

In the name Homo sapiens, "Homo" is the

Question 3 of 50

Mushrooms belong to the kingdom

Question 4 of 50

In a food chain, the organisms that make their own food are the

Question 5 of 50

Organisms that break down dead matter and return nutrients to the soil are

Question 6 of 50

Digested food is absorbed into the blood mainly through the

Question 7 of 50

Water and minerals move up a plant through the

Question 8 of 50

Gases enter and leave a leaf mainly through the

Question 9 of 50

Choosing the best animals to breed from, generation after generation, is

Question 10 of 50

A crop variety bred to resist a disease mainly helps farmers by

Question 11 of 50

Which statement belongs to the cell theory?

Question 12 of 50

The double-helix model of DNA was proposed in 1953 by

Question 13 of 50

The life cycle of a butterfly is

Question 14 of 50

The grain weevil is a pest because it

Question 15 of 50

About what percentage of the energy at one trophic level passes to the next?

Question 16 of 50

Sleeping sickness is carried by the

Question 17 of 50

Bilharzia (schistosomiasis) is spread through

Question 18 of 50

Cholera is caused by the bacterium

Question 19 of 50

River blindness (onchocerciasis) is spread by the

Question 20 of 50

Which enzyme starts the digestion of protein in the stomach?

Question 21 of 50

Bile helps digestion by

Question 22 of 50

The pulmonary artery carries

Question 23 of 50

Mammals have a double circulation, meaning blood passes through the heart

Question 24 of 50

The movement of sugars through the phloem is

Question 25 of 50

Transpiration happens faster when the air is

Question 26 of 50

Mosses are anchored to the ground by

Question 27 of 50

In ferns, spores are produced in clusters called sori on the

Question 28 of 50

Mosses grow mainly in damp places because

Question 29 of 50

Crossing two different varieties to combine their good qualities is

Question 30 of 50

Active transport differs from diffusion because it

Question 31 of 50

The making of messenger RNA (mRNA) from a DNA template is

Question 32 of 50

In RNA, the base that replaces thymine is

Question 33 of 50

A group of three bases on mRNA that codes for one amino acid is a

Question 34 of 50

The housefly spreads diseases such as typhoid by

Question 35 of 50

In a honeybee colony, the sterile females that collect nectar and care for the young are the

Question 36 of 50

Euglena is difficult to classify because it

Question 37 of 50

Malaria parasites multiply in the human

Question 38 of 50

Viruses are considered non-living outside a host because they

Question 39 of 50

The function of the hydrochloric acid in the stomach is to

Question 40 of 50

Stomata usually close at night because

Question 41 of 50

Translocation in the phloem moves mainly

Question 42 of 50

Ferns are more advanced than mosses because they have

Question 43 of 50

Root hair cells absorb mineral ions from dilute soil solution by

Question 44 of 50

Increasing the surface area to volume ratio of a cell

Question 45 of 50

The process by which DNA makes an exact copy of itself is

Question 46 of 50

A pyramid of biomass may be inverted in

Question 47 of 50

Blood leaving the small intestine travels to the liver through the

Question 48 of 50

Polyploidy in crops such as wheat often results in

Question 49 of 50

A DNA strand has the base sequence ATG CCA. The complementary mRNA is

Question 50 of 50

If 30% of the bases in a DNA molecule are adenine, the percentage of guanine is