Leaving Certificate Biology
Biology General Knowledge 3 iQuiz
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The bronchi branch repeatedly and
finally end in thin-walled air sacs
called …
Air vacuoles
Alveoli
Bronchioles
Capillaries
Which of the following is not part
of the skin structure?
Malpighian layer
Glomerulus
Fat
Dermis
Which of the following structures is
found in Rhizopus?
Phloem
Food vacuole
Operculum
Zygospore
Which of the following gases enter or
leave the leaf as a result of metabolic
processes? 1 – Carbon dioxide; 2 –
Water vapour; 3 – Nitrogen gas; 4 –
Oxygen gas.
1&4
2&3
1&3
3&4
Which of the following structures is
associated with osmoregulation in
a mammal?
Liver
Muscles
Contractile vacuole
Nephron
Nerve cells or neurons that bring
messages to muscles are called …
Afferent neurons
Motor neurons
Interneurons
Sensory neurons
The small opening through which a
pollen tube can gain access to the
embryo sac to deliver its nuclei and
effect fertilisation and through which
water enters seeds is called the ..
Micropyle
Stoma
Radicle
Testa
A solution with the same solute
concentration as another solution
is known as what type of solution?
Hypotonic
Isotonic
Isotopic
Hypertonic
Which function of the skin is
carried out by fat stored in the
lower part of the dermis?
Excretion
Protection
Insulation
Perception
A term for all offspring produced by
asexual reproduction or an identical
copy produced by recombinant DNA
technology is a …
Genome
Codon
Clone
Progeny
What term is given to any
substance or agent capable of
causing or bringing about a
mutation?
Radiation
Mutagen
Mutation
Formaldehyde
Which of the following blood
vessels has lost a lot of its oxygen,
urea and some water?
Hepatic vein
Renal vein
Pulmonary vein
Hepatic portal vein
Name a fluid in which fats, in
suspension, are carried in vessels
which bypass the liver.
Intracellular fluid
Plasma
Lymph
Digestive juices
Serum is best described as …
Blood without
white cells
Plasma with
fibrinogen
Blood without
red cells
Plasma without
fibrinogen
The making of a protein from a mRNA
by changing the genetic information it
contains to a sequence of amino acids,
describes what process?
Transcription
Translation
Translocation
Transformation
Biology General Knowledge 3 iQuiz
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