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Biology
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Mixed
100

Which of the following phases come before anaphase?

  1. Prophase

  2. Cytokinesis

  3. Metaphase

  4. Telophase

3. Metaphase

100

Which of the following element is not a transition metal?

  1. Copper (Cu)

  2. Aluminum (Al)

  3. Boron (B)

  4. Silver (Ag)

  5. Manganese (Mn)

3. Boron (B)

100

A satellite of mass M is in orbit around the earth. If a second satellite of mass 2M is to be placed in the same orbit, the second satellite must have a velocity which is…

  1. half the velocity of the first satellite

  2. the same as the velocity of the first satellite

  3. twice the velocity of the first satellite

  4. four times the velocity of the first satellite


2. the same as the velocity of the first satellite

100

Jimmy tells Andrew that the capital of South Korea is Seoul. Jimmy is demonstrating…

  1. Procedural memory

  2. Episodic memory

  3. Semantic memory

  4. Echoic memory

  5. Iconic memory

3. Semantic

100

What happens at the negative electrode in a voltaic cell and in an electrolytic cell?

  1. Reduction in both the voltaic cell and electrolytic cell

  2. Reduction in the voltaic cell and oxidation in the electrolytic cell

  3. Oxidation in both the voltaic cell and electrolytic cell

  4. Oxidation in the voltaic cell and reduction in the electrolytic cell

4. Oxidation in the voltaic cell and reduction in the electrolytic cell

200

Which of the following is a part of photosynthesis?

  1. Chemiosmosis

  2. Oxidative phosphorylation

  3. Krebs cycle

  4. Calvin cycle

4. Calvin cycle

200

Which of the following would you expect to have the lowest boiling point?

  1. H2

  2. NH3

  3. H2O

  4. HF

1. H2

200

Stating that the net force on an object is zero is exactly equivalent to which of the following statements?

  1. The object’s speed is constant.

  2. The object is in static equilibrium.

  3. The object’s linear momentum is constant.

  4. There are no forces acting on the object.

  5. None of the above.


3. The object’s linear momentum is constant.

200

Amplitude of a wave determines brightness (intensity).

  1. True

  2. False

1. True

200

Which of the following is NOT a part of the middle ear and the inner ear?

  1. Anvil

  2. Cochlea

  3. Basilar membrane

  4. Pinna

  5. Semicircular canals

4. Pinna

300

During photosynthesis…

  1. light reactions produce sugar, while the Calvin cycle produces O2.

  2. light reactions produce NADPH and ATP, while the Calvin cycle produces sugar.

  3. light reactions photophosphorylate ADP, while the Calvin cycle produces ATP.

  4. the Calvin cycle produces both sugar and O2.

2. light reactions produce NADPH and ATP, while the Calvin cycle produces sugar.

300

The structure of sulfur dioxide molecule (SO2) is…

  1. Tetrahedral

  2. Bent

  3. Linear

  4. Plane triangle

2. Bent

300

If an object is moving with a constant acceleration, which of the following is true?

  1. In each second, its momentum changes by an amount equal in value to ma.

  2. Its kinetic energy increases at a rate equal to its speed multiplied by ma.

  3. In each second, its speed changes by an amount equal in value to a.

  4. It must be under the influence of a single force equal to ma.

1. In each second, its momentum changes by an amount equal in value to ma.

300

What is the area of the brain stem that is important in controlling bodily functions not consciously directed such as digestion and breathing?

Medulla

300

Within a forest ecosystem, there is a large amount of diversity among members of a warbler species. Of the following stages of meiosis illustrated for a typical cell, which contributes most to diversity among the warblers?

  1. Prophase I

  2. Metaphases I

  3. Anaphase I

  4. Telophase I

1. Prophase I

400

Liver cells manufacture glycoproteins, while adipose cells store fat. Which of the following subcellular structures is likely to be more prominent in liver cells than in adipose cells?

  1. Nucleus

  2. Golgi apparatus

  3. Smooth endoplasmic reticulum

  4. Cytoskeleton


2. Golgi apparatus

400

In which of the following processes are covalent bonds broken?

  1. Glucose dissolves in water.

  2. Solid potassium chloride melts.

  3. Solid silver melts.

  4. Solid carbon (graphite) sublimes.

4. Solid carbon (graphite) sublimes.

400

For a system undergoing simple harmonic motion, which of the following statements is true? Assume that the potential energy is zero at equilibrium.

  1. The kinetic energy is maximized at the points where the particle’s motion changes direction.

  2. The potential energy is maximized at the particle’s average location (equilibrium point).

  3. The kinetic energy equals the potential energy four times during each period.

  4. The work done by the restoring force is equal to the change in the potential energy.

3. The kinetic energy equals the potential energy four times during each period.

400

Susan is shown a picture of her favorite singer’s face, but the eyes, nose, and mouth are all blocked out. However, Susan can still recognize it as a picture of her favorite singer. Which of the following best explains Susan’s perception? 

  1. Opponent-process theory

  2. Top-down processing

  3. Signal detection theory

  4. Gestalt replacement theory

  5. Bottom-up processing

2. Top-down processing

400

Which of the following pieces of evidence best supports the hypothesis that birds and crocodilians are more closely related to each other than they are to other organisms?

  1. Modern birds and crocodilians utilize different niches within the same geographical region.

  2. Like turtles and snakes, modern birds and crocodilians build nests in which they lay shelled eggs.

  3. The skulls of birds and crocodilians have an opening that is absent in the skulls of other reptiles.

  4. Fossil evidence indicates that both modern birds and crocodilians originated during the Jurassic Period.

3. The skulls of birds and crocodilians have an opening that is absent in the skulls of other reptiles.

500

If chemical signals in the cytoplasm control the progression of a cell to the M phase of the cell cycle, then fusion of a cell in G1 with a cell in early M phase would most likely result in the…

  1. Replication of chromosomes only in the G1 cell

  2. Exiting of both cells from the cell cycle and into the G0 phase

  3. Transfer of organelles from the G1 cell to the cell in the M phase

  4. Condensation of chromatin in preparation of nuclear division in both cells

4. Condensation of chromatin in preparation of nuclear division in both cells

500

At which of the following temperatures and pressures would a real gas be most likely to deviate from ideal behavior?

  1. 100 K and 50 atm

  2. 200 K and 5 atm

  3. 300 K and 0.01 atm

  4. 400 K and 0.01 atm

1. 100 K and 50 atm

500

A bullet is moving with a velocity v0 when it collides with and becomes embedded in a wooden bar that is hinged at one end. Consider the bullet and the wooden bar to be the system. For this scenario, which of the following is true?

1. The linear momentum of the system is conserved because the net force on the system is zero.
2. The angular momentum of the system is conserved because the net torque on the system is zero.
3. The kinetic energy of the system is conserved because it is an inelastic collision.
4. The kinetic energy of the system is conserved because it is an elastic collision.
5. Linear momentum and angular momentum are both conserved.

2. The angular momentum of the system is conserved because the net torque on the system is zero.

500

What is the heritability coefficient of eye color?

1

500

A figure skater goes into a spin with arms fully extended. Describe the changes in the rotational kinetic energy and angular momentum of the skater as the skater’s arms are brought toward the body, using the words “increase, decrease, or remain the same”.

Rotational Kinetic Energy: increases

Angular Momentum: remains the same