Biology Mock 2019

Question 1 of 50

Charles Darwin proposed the theory of evolution by

Question 2 of 50

The frog undergoes

Question 3 of 50

COVID-19 is caused by a

Question 4 of 50

The master gland of the endocrine system is the

Question 5 of 50

A reflex action is

Question 6 of 50

The hormone that prepares the body for "fight or flight" is

Question 7 of 50

The transfer of pollen from anther to stigma is

Question 8 of 50

After fertilisation, the ovary develops into the

Question 9 of 50

Which organelle is found in both plant and animal cells?

Question 10 of 50

The jelly-like substance in which organelles are suspended is the

Question 11 of 50

Cells that are similar in structure and function form a

Question 12 of 50

Which feature is common to all mammals?

Question 13 of 50

Animals that can live both on land and in water are

Question 14 of 50

A person with genotype AO has blood group

Question 15 of 50

Two parents with sickle-cell trait (AS × AS) have a child. The chance it has sickle-cell disease (SS) is

Question 16 of 50

A person with blood group AB can receive blood from

Question 17 of 50

Height in humans shows

Question 18 of 50

Blood groups show

Question 19 of 50

The stage of mitosis in which chromosomes line up at the equator is

Question 20 of 50

During anaphase of mitosis,

Question 21 of 50

Meiosis is important because it

Question 22 of 50

The lateral line of a tilapia is used to

Question 23 of 50

The wall gecko can climb walls because its feet have

Question 24 of 50

The part of the domestic fowl's gut that grinds food is the

Question 25 of 50

BMI is calculated as

Question 26 of 50

A person with mass 80 kg and height 2 m has a BMI of

Question 27 of 50

Ebola is spread mainly through

Question 28 of 50

A BMI above 30 is classified as

Question 29 of 50

The part of the brain that controls breathing and heart rate is the

Question 30 of 50

Flowers pollinated by wind usually have

Question 31 of 50

Seeds of the Tridax plant are dispersed mainly by

Question 32 of 50

Germination requires water, oxygen and

Question 33 of 50

Red blood cells lack a nucleus so that they can

Question 34 of 50

Spiders differ from insects because spiders have

Question 35 of 50

Which is a monocotyledon?

Question 36 of 50

Phloem transports mainly

Question 37 of 50

Xylem vessels are dead and lignified, which allows them to

Question 38 of 50

Tissue culture produces plants that are

Question 39 of 50

The weevil damages stored grain mainly at the

Question 40 of 50

Halophytes are plants adapted to

Question 41 of 50

Mangroves have pneumatophores to

Question 42 of 50

In a food chain, energy is lost at each level mainly as

Question 43 of 50

The relationship between a tick and a cow is

Question 44 of 50

A person of blood group O can receive blood from

Question 45 of 50

The universal recipient blood group is

Question 46 of 50

A plant grows towards light because of

Question 47 of 50

An attenuated vaccine contains

Question 48 of 50

A man of blood group AB marries a woman of group AB. The probability of a child with group A is

Question 49 of 50

A colour-blind man marries a carrier woman. The probability that a son is colour-blind is

Question 50 of 50

A test cross is made between an organism of unknown genotype and a