Biology Mock 2020

Question 1 of 50

The largest artery in the body is the

Question 2 of 50

Food made in the leaves is transported to other parts by the

Question 3 of 50

The tiny pores on leaves through which gases pass are

Question 4 of 50

Root hairs absorb water mainly by

Question 5 of 50

Ferns reproduce by

Question 6 of 50

Mosses grow best in

Question 7 of 50

Selecting the best animals as parents for the next generation is

Question 8 of 50

The cell theory states that

Question 9 of 50

In DNA, adenine pairs with

Question 10 of 50

Honeybees are economically important because they

Question 11 of 50

Termites cause damage by

Question 12 of 50

The housefly spreads diseases such as cholera by

Question 13 of 50

Cacti have spines instead of leaves to

Question 14 of 50

Fish breathe in water using

Question 15 of 50

A vaccine works by

Question 16 of 50

Polio vaccine is given to children mainly as

Question 17 of 50

Yeast is used in bread-making because it produces

Question 18 of 50

The antibiotic penicillin is produced by a

Question 19 of 50

The organ that produces bile is the

Question 20 of 50

The valve between the left atrium and left ventricle is the

Question 21 of 50

The tissue that increases the girth of a stem is the

Question 22 of 50

Mosses lack

Question 23 of 50

Crossing two different varieties to combine good traits is

Question 24 of 50

A genetically modified (GM) crop is one whose

Question 25 of 50

Mating closely related animals is

Question 26 of 50

The engulfing of solid particles by a cell is

Question 27 of 50

A red blood cell placed in distilled water will

Question 28 of 50

The copying of DNA into mRNA is

Question 29 of 50

A sequence of three bases coding for an amino acid is a

Question 30 of 50

The stage of a grasshopper's life cycle that resembles the adult but has no wings is the

Question 31 of 50

Mangrove plants have breathing roots (pneumatophores) because

Question 32 of 50

Immunity a baby gets from its mother's breast milk is

Question 33 of 50

Which disease was eradicated worldwide through vaccination?

Question 34 of 50

Yoghurt is made by the action of

Question 35 of 50

Insulin for diabetics is now produced using

Question 36 of 50

The incubation period of a disease is

Question 37 of 50

A cell actively secreting hormones would have many

Question 38 of 50

Plant cells placed in a hypertonic solution become

Question 39 of 50

Red blood cells placed in distilled water will

Question 40 of 50

Bryophytes differ from pteridophytes because bryophytes

Question 41 of 50

Peristalsis is

Question 42 of 50

Villi in the small intestine increase

Question 43 of 50

The blood vessel with the highest pressure is the

Question 44 of 50

Transpiration is highest when it is

Question 45 of 50

Lenticels on woody stems allow

Question 46 of 50

Facilitated diffusion differs from simple diffusion because it

Question 47 of 50

The hormone calcitonin lowers blood

Question 48 of 50

The nucleolus is the site of

Question 49 of 50

Antidiuretic hormone (ADH) acts on the

Question 50 of 50

The products of the light stage of photosynthesis are