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WorksheetsCETR- ZOOLOGY AND BOTANY
Total questions: 20
Worksheet time: 12mins
If cats and lions belong to the same class, then, they must also belong to the same:
Family
Genus
Order
Phylum
At the sea floor of the Marianas Trench, a marine biologist was able to dredge an unknown animal species. Which among the following characteristics should he consider?
Colonial
Heterotrophic
Presence of cell walls and chloroplasts
Unicellular
Vertebrates are animals with vertebral column. They comprise around 5% of all animals on earth. Which of the following animals is NOT a vertebrate?
Sea gull
Sea cow
Sea horse
Sea lily
Which among the following plants do not produce reproductive spores?
Pines
Ferns
Horsetails
Mosses
Pollination is the transfer of pollen grains from the anther to the stigma of the flower. What type of pollination happens when the pollen of one flower pollinates the stigma of another flower coming from the same plant?
Cross pollination
Hybridization
Self pollination
Self-fertilization
The efficiency of water absorption in young roots is boosted by the presence of microscopic structures along the epidermal cells of the maturation region. What do you call these epidermal extensions along the maturation region?
Lenticels
Root hairs
Stomata
Trichomes
In the conduction of water and minerals in plants, there are vessels or tissues where water and minerals pass through, what do you call these tissues?
Casparian strip
Endodermis
Phloem
Xylem
Some parasites need more than one host. Examples of these are the tapeworms and liver fluke. What do you call the host where the adult form of the parasite lives?
Primary host
Secondary host
Tertiary host
Quaternary host
What role do cohesion and adhesion play in xylem transport?
makes water continuous and keeps water column in place
pulls the water column upward from the roots to leaves
pushes the xylem sap upward
forces water to enter the endodermal cells
An opening in the leaf that allows gas and water exchange is called _________________?
mesophyll
cuticle
stomata
thylakoid
Ko Mun Yeong places 25 pea seeds in a large pot and allow the seeds to germinate in total darkness. Which of these growth or movement activities would the seedlings exhibit?
geotropism, as the roots grow down and the shoots grow up
phototropism, as the shoots search for light
thigmotropism, as the tendrils coil around other seedlings
chemotropism, as the roots search for fertilizers
Plant hormone responsible for the ripening of green fruits is the ______________________.
auxin
cytokinin
abscissic acid
ethylene
Which of these pairs is mismatched?
clams - gills
grasshopper - book lungs
polychaetes-parapodia
chelicerates- pedipalps
Which phylum is pair incorrectly with a terrestrial representative organism?
molluska- snail
platyhelminth- tapeworm
arthropoda- spider
annelida- millipede
All of the following are the characteristics of cartilaginous fishes and bony fishes EXCEPT
both have paired fins
both have a keen sense of smell
both have an operculum
both have a complete skeleton
When animals developed a body cavity derived from mesoderm they are called coelomates. A coelom cushions the internal organs and protects them from injury. Which of the following phylum exhibits this characteristics?
annelida
porifera
coelenterata
nematoda
Which of these is an incorrect difference between reptiles and birds?
shelled egg- partial internal development
scales- feathers
tetrapods-wings/bipedal
ectothermy-endothermy
All of the following describe the characteristics of mammals EXCEPT:
All mammals are viviparous.
All mammals have hair and mammary gland.
All mammals are warm blooded.
All mammals have differentiated teeth
The fertilized ovule gives rise to the ____________.
fruit
seed
endosperm
flower
Which of the following traits characterizes gymnosperms?
Reproductive structures are located in the flower.
After fertilization, the ovary thickens and forms a fruit.
The plants carry exposed seeds on modified leaves
The gametophyte is longest phase of the life cycle.
