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WorksheetsQuiz Transport & Biodiversity L2 2022
Total questions: 20
Worksheet time: 13mins
Atrial systole occurs after (a) (a) has sent excitation to atria.
Blood is forced into ventricles through open (a) (b) valves.
Ventricular (a) (c) occurs after AV node has sent excitation to ventricles when they are filled with blood.
AV valves close producing (a) (d) sound and blood is forced out of heart.
(a) (e) occurs, heart muscles relaxes
Semilunar valves close to prevent back flow producing (a) (f) sound. Blood flows into the heart from outside filling atria then ventricle.
What happen during P wave?
Depolarisation of atria
Contraction of atria
Depolarisation of ventricles
Contraction of ventricle
What happen during QRS complex?
Depolarisation of atria
Contraction of atria
Depolarisation of ventricles
Contraction of ventricle
The duration of cardiac cycle is
0.6 s
0.8 s
0.6 min
0.8 min
Which of this hypothesis explains the process of translocation from sugar source to sugar sink?
Cytoplasmic streaming hypothesis
Electro-osmosis hypothesis
Pressure flow hypothesis
Peristaltic wave hypothesis
How many subkingdom are there for Kingdom Protista?
2
4
6
8
Which of the following is NOT from protozoa?
Euglena
Amoeba
Plasmodium
Diatom
Which of the following structure stores spores?
Sporangiophore
Hypha
Sporangium
Mycelium
Which of the following structure used by Mucor sp to feed?
Sporangium
Hyphae
Sporangiophore
Mycelium
Which of the following phyla is the most simplest plant?
Phylum Filicinophyta
Phylum Bryophyta
Phylum Coniferophyta
Phylum Angiospermophyta
Fern is from which of the following phyla?
Phylum Filicinophyta
Phylum Bryophyta
Phylum Coniferophyta
Phylum Angiospermophyta
Pollen grains of conifers are stored in which part?
Microspore
Megasporangium
Microsporangium
Megaspore
The following is bilateral symmetry EXCEPT
Milipede is from the class of ________ under Phylum Arthropoda.
Class Diplopoda
Class Crustacea
Class Chilopoda
Class Arachnida
How many classes are there for subphylum vertebrata?
4
5
6
7
