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WorksheetsRevision UPS 1 (DB024)
Total questions: 12
Worksheet time: 11mins
Hibiscus rosa-sinensis is the scientific name of hibiscus. rosa-sinensis is the ___.
Order
Genus
Species
Specific epithet
How do bacteria, fungi and algae differ?
Number of nuclei.
Presence of cell wall.
Presence of mitochondria.
Composition of cell wall.
The spore-bearing structures of sexual spores for this species is known as:
Ascus
Zygosporangium
Sporangium
Basidium
Bryophytes differ from other plants in that they
possess swimming sperm.
has gametangia that produce sperm and eggs.
has vascular tissue to transport water and dissolved minerals internally.
has independent gametophytes and dependent sporophytes.
The diagram below shows the life cycle of Dryopteris sp. What do P, Q, R and S represent?
Q: Gametophyte generation; R: Meiosis; S: Mitosis
Q: Gametophyte generation; R: Mitosis; S: Meiosis
Q: Sporophyte generation; R: Mitosis; S: Meiosis
Q: Sporophyte generation; R: Meiosis; S: Mitosis
Which one of the following statements is TRUE about gymnosperm? (The answer can be MORE THAN ONE)
Xylem consists of tracheid only.
The reproductive structures are usually cones.
Their seeds are enclosed within fruits.
The Phylum ____ show the following characteristics.
Mollusca
Echinodermata
Annelida
Arthropoda
Which of the following descriptions about the organization of an ecosystem is CORRECT?
Communities, which make up populations.
Population makes up species, which make up communities.
Species make up communities, which make up population.
Species make up populations, which make up communities.
Only 10% of the energy is stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism’s life processes, and the rest is
used in reproduction.
stored as body tissue.
stored as fat.
eliminated as heat.
The chart shows the pathway of nitrogen cycle in leguminous plants. What are processes of J, K and L?
J: Nitrification, K: Nitrogen fixation, L: Denitrification
J: Nitrogen fixation, K: Denitrification, L: Nitrification
J: Denitrification, K: Nitrification, L: Nitrogen fixation
J: Denitrification, K: Nitrogen fixation, L: Nitrification
Figure below shows a food web of a marine ecosystem. Suggest the maximum number of trophic levels observed.
3
4
5
6
The figure shows the logistic population growth. Which of the foloowing statements are TRUE about phase B?
The number of individuals added per unit time is the greatest.
Natality is equal to mortality.
Population growth is mostly limited by resources.
Environmental resistance is zero.
