Agriscience, Unit 5 Question Preview (ID: 30769)


Unit 5. TEACHERS: click here for quick copy question ID numbers.

Using a pesticide on fungi generally takes several applications because
a) fungi are generally immune to pesticides.
b) fungicides are harder to apply than most other kinds of pesticides.
c) fungicides will also kill helpful insects, so spraying should be spread out.
d) fungi reproduce very quickly, so there is always new growth that needs addressing.

Genetic engineering alters which of the following?
a) DNA
b) viruses
c) reproductive systems
d) neurological systems

One of the purposes of the skeletal system is to
a) store calcium.
b) protect vital organs
c) move nutrients through the body.
d) determine how and when the body grows.

Why does it benefit domestic cattle to be without horns?
a) They are less likely to injure people and each other.
b) Those without horns will be more valuable when sold for meat.
c) They were unique, and therefore easier for farmers to identify.
d) Cattle have horns only as a result of centuries of selective breeding.

Assume parents carry the genes for blue and brown eyes, and the Punnett Square indicates that there is a 3:1 probability for a blue-eyed child. If the first two children have blue eyes, the probability of the third child having blue eyes is
a) 1:1
b) 2:1
c) 3:1
d) 3:2

The boll weevil is devastating because it
a) came from Mexico.
b) impacts a variety of plants.
c) destroys the profitable part of the cotton plant.
d) attacks the roots, preventing the cotton plant from getting nutrients.

An agriscientist would not try to alter the speed of a swine because
a) speed is not a heritable trait in swine.
b) it would make them harder to catch.
c) faster pigs would have more lean muscle.
d) agriscientists have already made all possible advancements in that category.

Pesticides were not very effective in fighting the boll weevil because
a) boll weevils had no immunity to pesticides.
b) many insects that were beneficial were killed as well.
c) the boll weevils had been genetically modified to be resistant to pesticides.
d) pesticides are effective only when treating fungi and are not good for insect control.

The fetus develops in which part of the female anatomy?
a) testes
b) ovaries
c) uterus
d) Cervix

Nutrient deficiencies are considered abiotic because
a) they do not occur naturally.
b) they cannot be combated with herbicides.
c) people can control the amount of nutrients given to plants and animals.
d) there are few written records of them in history, therefore they are a new problem.

Information about all the following can be found on Material Data Safety Sheets EXCEPT
a) storing chemicals.
b) use of chemicals.
c) dangers of chemicals.
d) cost of chemicals.

The example of ergot poisoning is included in the text for all the following reasons EXCEPT
a) to show that pests impact history.
b) to demonstrate how disease emerges when conditions are right.
c) to prove that the witchcraft trials were unfair and all involved were innocent.
d) to illustrate the ways in which pests in agriculture can impact human populations.

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