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Survey of Natural Sciences PracticeQs

Biology:

1. The P680 chlorophyll A molecule of photosystem II:

A. oxidizes glucose.
B. oxidizes water.
C. best absorbs light with a wavelength of 700nm.
D. provides electrons that reduce NADH⁺.
E. more than one of the above.

2. Normal wings are dominant to curly wings in certain fruit flies. To determine the genotype of a fly with normal wings, the following test cross should be conducted:

A. cross with fly with normal wings.
B. cross with fly with normal wings with parents with normal wings.
C. cross with fly with normal wings with a parent with curly wings.
D. cross with fly with curly wings.
E. cross with any fly.

3. Shortly after gastrulation, a teratogen affects the development of the endoderm. You will most likely see a deformity in the:

A. lens of the eye.
B. gonads.
C. nervous system.
D. bladder lining.
E. connective tissue.

General Chemistry:

4. Which of the following pairs gives the bond with the least ionic character?

A. Cs and F
B. O and H
C. C and C
D. C and Cl
E. C and N

5. If one mole of a gas originally at STP is placed into a container where the pressure is then halved and the absolute temperature (measured in K) is doubled, what will be the new volume in liters?

A. 11.2
B. 22.4
C. 33.6
D. 44.8
E. 89.6

6. At 0 degrees C, a mixture of neon and argon gases occupies a volume of 44.8 liters with a total pressure of 1 atm. If the mixture contains 1.5 moles of argon, how many moles of neon are present?

A. 3.0
B. 1.5
C. 1.0
D. 0.75
E. 0.5

Organic Chemistry:

7. Which of the following has the lowest boiling point?

A. n-hexane
B. 2-methylheptane
C. 2-methylhexane
D. 2-methylpentane
E. 2-hexanol

8. Alcohols have higher boiling points than the analogous ethers and hydrocarbons because

A. the oxygen atoms in alcohols have shorter bond lengths.
B. hydrogen bonding is present in alcohols.
C. alcohols are more acidic than the analogous ethers or hydrocarbons.
D. All of the above.

9. Which of the following are considered terminal functional groups?

A. Aldehydes
B. Ketones
C. Carboxylic acids
D. Both A and C

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	Try Practice Questions Survey of Natural Sciences PracticeQs Biology: 1. The P680 chlorophyll A molecule of photosystem II: A. oxidizes glucose. B. oxidizes water. C. best absorbs light with a wavelength of 700nm. D. provides electrons that reduce NADH⁺. E. more than one of the above. 2. Normal wings are dominant to curly wings in certain fruit flies. To determine the genotype of a fly with normal wings, the following test cross should be conducted: A. cross with fly with normal wings. B. cross with fly with normal wings with parents with normal wings. C. cross with fly with normal wings with a parent with curly wings. D. cross with fly with curly wings. E. cross with any fly. 3. Shortly after gastrulation, a teratogen affects the development of the endoderm. You will most likely see a deformity in the: A. lens of the eye. B. gonads. C. nervous system. D. bladder lining. E. connective tissue. General Chemistry: 4. Which of the following pairs gives the bond with the least ionic character? A. Cs and F B. O and H C. C and C D. C and Cl E. C and N 5. If one mole of a gas originally at STP is placed into a container where the pressure is then halved and the absolute temperature (measured in K) is doubled, what will be the new volume in liters? A. 11.2 B. 22.4 C. 33.6 D. 44.8 E. 89.6 6. At 0 degrees C, a mixture of neon and argon gases occupies a volume of 44.8 liters with a total pressure of 1 atm. If the mixture contains 1.5 moles of argon, how many moles of neon are present? A. 3.0 B. 1.5 C. 1.0 D. 0.75 E. 0.5 Organic Chemistry: 7. Which of the following has the lowest boiling point? A. n-hexane B. 2-methylheptane C. 2-methylhexane D. 2-methylpentane E. 2-hexanol 8. Alcohols have higher boiling points than the analogous ethers and hydrocarbons because A. the oxygen atoms in alcohols have shorter bond lengths. B. hydrogen bonding is present in alcohols. C. alcohols are more acidic than the analogous ethers or hydrocarbons. D. All of the above. 9. Which of the following are considered terminal functional groups? A. Aldehydes B. Ketones C. Carboxylic acids D. Both A and C	COMMUNITY THE BUZZ Pre-Dental Planner Want to become a dentist? The first thing you'll need to know is what to expect. We've all visited dentists for our check-ups, but what exactly are they doing when they're poking around… Learn more. Advice from a Dental School Graduate Planning Your Dental Program Search Join the Kaplan Community and get more features. It's FREE! Dental Scorematch—Find out how your DAT score measures up!