NLN PAX EXAM PREP Science (correct answers)
1 kilogram kg of solid X at 10°C and 1 kg of solid Y at 10°C each absorb 5 joules of heat
energy. The final temperatures of X and Y are 15°C and 20°C, respectively. Compared
to X, Y must have a lower correct answers specific heat
A method for determining the blood alcohol content of a subject is to correct answers
use a Breathalyzer
Gaurd cells which can be found in the leaves of plants are most closely associated with
which of these processes? correct answers Evaporation of water from the plant
If the medulla of the brain in a human was damaged, which of these conditions would
most likely result? correct answers Difficulty in breathing
In ecological succession, the first living thing to colonize a hitherto barren area is called
a correct answers pioneer organism
Night blindness in humans is caused by a lack of correct answers Vitamin A
To sterilize a metal probe in the office, a dentist could use a steam sterilizer. If
unavailable, the next most effective method to sterilize the instrument would be correct
answers Boiling it in water for 15
In varieties of matter, the term heterogeneous may be applied to correct answers
mixtures, but not elements or compounds
Heat energy is absorbed in which of these phase changes? correct answers Br2 (l) ->
Br2 (g)
Iodized salt is used to prevent a human condition known as correct answers groiter
Periodontitis is an inflammatory condition of the correct answers gum tissue that
surrounds the neck of each tooth
The process of nuclear cell division in the cell reproduction of plants differs from
mammals. A major difference is that correct answers homologous chromosomes are
paired
Unicellular organisms that have a nucleus and can swim with the aid of cilia are
examples of correct answers protozoans
Which of these conditions is associated with smoking? correct answers Emphysema
Which of these hydrocarbons is a member of the benzene family? correct answers
Toluene
1 kilogram kg of solid X at 10°C and 1 kg of solid Y at 10°C each absorb 5 joules of heat
energy. The final temperatures of X and Y are 15°C and 20°C, respectively. Compared
to X, Y must have a lower correct answers specific heat
A method for determining the blood alcohol content of a subject is to correct answers
use a Breathalyzer
Gaurd cells which can be found in the leaves of plants are most closely associated with
which of these processes? correct answers Evaporation of water from the plant
If the medulla of the brain in a human was damaged, which of these conditions would
most likely result? correct answers Difficulty in breathing
In ecological succession, the first living thing to colonize a hitherto barren area is called
a correct answers pioneer organism
Night blindness in humans is caused by a lack of correct answers Vitamin A
To sterilize a metal probe in the office, a dentist could use a steam sterilizer. If
unavailable, the next most effective method to sterilize the instrument would be correct
answers Boiling it in water for 15
In varieties of matter, the term heterogeneous may be applied to correct answers
mixtures, but not elements or compounds
Heat energy is absorbed in which of these phase changes? correct answers Br2 (l) ->
Br2 (g)
Iodized salt is used to prevent a human condition known as correct answers groiter
Periodontitis is an inflammatory condition of the correct answers gum tissue that
surrounds the neck of each tooth
The process of nuclear cell division in the cell reproduction of plants differs from
mammals. A major difference is that correct answers homologous chromosomes are
paired
Unicellular organisms that have a nucleus and can swim with the aid of cilia are
examples of correct answers protozoans
Which of these conditions is associated with smoking? correct answers Emphysema
Which of these hydrocarbons is a member of the benzene family? correct answers
Toluene
