QUESTION 21 Most human food is provided by gymnosperms. True False QUESTION 22 W
ID: 101771 • Letter: Q
Question
QUESTION 21
Most human food is provided by gymnosperms.
True
False
QUESTION 22
Which of the following was not required by plants to exploit land?
method of seed dispersal in water
rigid structures to keep them upright
special vessels to transport water and nutrients
protective covering to prevent dehydration
QUESTION 23
A vaccine would be beneficial against which of these?
common cold
salmonella
HIV
measles
QUESTION 24
Which of the following would a doctor prescribe an antibiotic for?
flu
streptococcus
cold
measles
QUESTION 25
Fruits are ripened ovules.
True
False
QUESTION 26
The organism that causes malaria is classified as a:
protozoan
dinoflagellate
chlorophyte
ciliate
QUESTION 27
In order for speciation to occur, which of the following typically occurs?
migration of genes
coevolution
competition
physical barrier
QUESTION 28
Another name for a flowering plant is:
gymnosperm
bryophyte
fungi
angiosperm
QUESTION 29
Which of the following about Bryophytes is not true?
they depend on water for reproduction
they have true roots, stems, and leaves
they are similar to amphibians in that they need water for sex cell dispersal
they rely on diffusion to carry nutrients
QUESTION 30
Which of the following evolved from fish?
amphibians
reptiles
birds
mammals
method of seed dispersal in water
rigid structures to keep them upright
special vessels to transport water and nutrients
protective covering to prevent dehydration
Explanation / Answer
24) False
Angiosperms are the major source of the human food.
Only seeds are used in Gymnosperm as human food.
22-A) method of seed dispersal in water
Except this all of the given options are correct adaptations.
23-D) measles
The common cold vaccine is not effective due to antigenic variability.
Vaccine against HIV is not yet available
The vaccine against Salmonella is not much effective.
23- B) Streptococcus
Antibiotic is for bacteria not for viruses.
The flu, cold and measles are caused by viral infection and taking antibiotics will worsen the situation.
So doctor will prescribe antibiotic for Streptococcus only.
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