Biology Test 23

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Biology Test 23

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Question 1/30
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Directions For Questions

either deductive reasoning, inductive reasoning, or both may be used

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In the study of science is ?

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A
deductive reasoning may be used, but inductive reasoning is preferred

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B
either deductive reasoning, inductive reasoning, or both may be used

Correct

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Skipped
C
inductive reasoning may be used, but deductive reasoning is preferred

Correct

Wrong

Skipped
D
only inductive reasoning is used

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Solutions
either deductive reasoning, inductive reasoning, or both may be used
Question 2/30
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Directions For Questions

Insulin

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Lack of what causes diabetes ?

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A
Blood

Correct

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B
Skin

Correct

Wrong

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C
Sugar

Correct

Wrong

Skipped
D
Insulin

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Solutions
Insulin
Question 3/30
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Directions For Questions

vitamin C

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Scurvy can be prevented by the intake of?

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A
vitamin B

Correct

Wrong

Skipped
B
vitamin C

Correct

Wrong

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C
vitamin D

Correct

Wrong

Skipped
D
vitamin A

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Solutions
vitamin C
Question 4/30
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Directions For Questions

G.J. Mandel

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The scientist known as father of Genetics is -

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A
Johnson

Correct

Wrong

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B
Morgan

Correct

Wrong

Skipped
C
F.B. Morrison

Correct

Wrong

Skipped
D
G.J. Mandel

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Solutions
G.J. Mandel
Question 5/30
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Directions For Questions

a site of some reactions of photorespiration

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Which of the following is not a function of the large central vacuole of a plant cell:

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A
maintenance of turgidity

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B
sequestration of toxic ions

Correct

Wrong

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C
a temporary repository of sugars

Correct

Wrong

Skipped
D
a site of some reactions of photorespiration

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Solutions
a site of some reactions of photorespiration
Question 6/30
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Directions For Questions

Mercury

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Which of the following metals forms an amalgam with other metals?

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Skipped
A
Mercury

Correct

Wrong

Skipped
B
Zinv

Correct

Wrong

Skipped
C
Lead

Correct

Wrong

Skipped
D
tin

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Solutions
Mercury
Question 7/30
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Directions For Questions

energy flows in one direction, and nutrients recycle.

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The movements of energy and nutrients through living systems are different because.

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A
energy flows in one direction, and nutrients recycle.

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B
energy is limited in the biosphere, and nutrients are always available.

Correct

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C
nutrients flow in one direction, and energy recycles.

Correct

Wrong

Skipped
D
energy forms chemical compounds, and nutrients are lost as heat.

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Solutions
energy flows in one direction, and nutrients recycle.
Question 8/30
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Directions For Questions

Arachnids

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Tichs and mites are actually

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A
Arachnids

Correct

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B
Crustaceans

Correct

Wrong

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C
Insects

Correct

Wrong

Skipped
D
Myriapods

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Solutions
Arachnids
Question 9/30
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Directions For Questions

B and C only are true.

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Estimates of current rates of extinction..

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A
indicate that we have reached a state of unstable equilibrium in which speciation and extinction rates are approximately equal.

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B
suggest that one-half of all animal and plant species may be gone by the year 2100.

Correct

Wrong

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C
indicate that rates may be 1,000 times higher than at any other time in the last 100,000 years.

Correct

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Skipped
D
B and C only are true.

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Solutions
B and C only are true.
Question 10/30
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Directions For Questions

2,3 and 4 only

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Aonsider the following : 1. Photosynthesis 2. Respiration 3. Decay of organic matter 4. Volcanic action Which of the above add carbon dioxide to the carbon cycle on Earth ?

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A
1 and 4 only

Correct

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B
2 and 3 only

Correct

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C
2,3 and 4 only

Correct

Wrong

Skipped
D
1,2,3 and 4

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Solutions
2,3 and 4 only
Question 11/30
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Directions For Questions

7.5-8.0

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The pH of human blood is normally around-

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A
7.5-8.0

Correct

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B
4.5-5.5

Correct

Wrong

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C
5.5-6.5

Correct

Wrong

Skipped
D
8.5-9.0

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Solutions
7.5-8.0
Question 12/30
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Directions For Questions

Acidic

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The poison of honey bee is ___ .

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A
Saltish

Correct

Wrong

Skipped
B
Acidic

Correct

Wrong

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C
Protein

Correct

Wrong

Skipped
D
Protein

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Solutions
Acidic
Question 13/30
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Directions For Questions

prophase

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During which stage of the cell cycle does chromatin coil in to form chromosomes:

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A
prophase

Correct

Wrong

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B
telophase

Correct

Wrong

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C
interphase

Correct

Wrong

Skipped
D
anaphase

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Solutions
prophase
Question 14/30
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Directions For Questions

present on the same chromosome

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The term linkage refers to genes which are ?

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A
present on the same chromosome

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B
transferred from one chromosome to its homologous partner

Correct

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C
transferred from one homologous pair to another

Correct

Wrong

Skipped
D
present on different chromosomes

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Solutions
present on the same chromosome
Question 15/30
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Directions For Questions

AIDS

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Which of the following is not an infectious disease?

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A
AIDS

Correct

Wrong

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B
Chicken-pox

Correct

Wrong

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C
Mumps

Correct

Wrong

Skipped
D
Herpes Simplex

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Solutions
AIDS
Question 16/30
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Directions For Questions

endoplasmic reticulum

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Identify the organelle.

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A
golgi apparatus

Correct

Wrong

Skipped
B
endoplasmic reticulum

Correct

Wrong

Skipped
C
mitochondria

Correct

Wrong

Skipped
D
lysosome

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Solutions
endoplasmic reticulum
Question 17/30
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Directions For Questions

Both A and R are true and R is the correct explanation of A

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Assertion (A): The person with diabetes insipidus feels thirsty.Reason (R): A person with diabetes insipidus suffers from excess secretion of vasopressin.

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A
Both A and R are true and R is the correct explanation of A

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B
Both A and R are true but R is NOT the correct explanation of A

Correct

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C
A is true but R is false

Correct

Wrong

Skipped
D
A is false but R is true

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Solutions
Both A and R are true and R is the correct explanation of A
Question 18/30
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Directions For Questions

Frog

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Exoskeleton is absent in:

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A
Scoliodon

Correct

Wrong

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B
Frog

Correct

Wrong

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C
Rabbit

Correct

Wrong

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D
Fowl

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Solutions
Frog
Question 19/30
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Directions For Questions

by means of a process known as inductive resonance (direct transfer of energy)

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Antenna pigments transfer light energy to a reaction center :

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A
by means of a process known as fluorescence

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B
by means of a process known as inductive resonance (direct transfer of energy)

Correct

Wrong

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C
by the conduction of heat

Correct

Wrong

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D
a,b, and c are all correct

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Solutions
by means of a process known as inductive resonance (direct transfer of energy)
Question 20/30
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Directions For Questions

All of the above

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Radioactivity is a phenomenon of the spontaneous emission of?

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A
protons (alpha particles)

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B
electrons (beta particles)

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C
gamma rays (short wave electromagnetic waves)

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D
All of the above

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Solutions
All of the above
Question 21/30
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Directions For Questions

a rigid set of logical steps

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The "scientific method" involves all of the following except is ?

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A
a rigid set of logical steps

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B
a suspicion of what the truth might be

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C
an educated guess

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D
imagination and insight

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Solutions
a rigid set of logical steps
Question 22/30
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Directions For Questions

Reduced or no pith

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A dicot root shows?

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A
Conjoint bundles

Correct

Wrong

Skipped
B
Endarch xylem

Correct

Wrong

Skipped
C
Large pith

Correct

Wrong

Skipped
D
Reduced or no pith

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Solutions
Reduced or no pith
Question 23/30
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Directions For Questions

biodiversity

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Which of the following terms includes all of the others?

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A
genetic diversity

Correct

Wrong

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B
species diversity

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Wrong

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C
biodiversity

Correct

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D
ecosystem diversity

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Solutions
biodiversity
Question 24/30
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Directions For Questions

Loss of heat from the body

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Fat present below the skin surface in our body,acts as a barrier against

Correct

Wrong

Skipped
A
Loss of heat from the body

Correct

Wrong

Skipped
B
Loss of essential body fluids

Correct

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C
Loss of salts from the body

Correct

Wrong

Skipped
D
Entry of harmful micro organisms from the environment

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Solutions
Loss of heat from the body
Question 25/30
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Directions For Questions

cannot penetrate the egg

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In the absence of acrosome, the sperm _______.

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A
cannot get energy

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B
cannot penetrate the egg

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C
cannot swim

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D
cannot get food

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Solutions
cannot penetrate the egg
Question 26/30
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Directions For Questions

Thiamine

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The vitamin useful in alcoholism is ?

Correct

Wrong

Skipped
A
Folic acid

Correct

Wrong

Skipped
B
Thiamine

Correct

Wrong

Skipped
C
Pyridoxine

Correct

Wrong

Skipped
D
Ascorbic acid

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Solutions
Thiamine
Question 27/30
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Directions For Questions

Tree roots split apart rocks in the ground.

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Which is an example of how biotic and abiotic factors interact?

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A
Sunlight increases the temperature of pond water.

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B
Water and soil mix together to make mud.

Correct

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C
Tree roots split apart rocks in the ground.

Correct

Wrong

Skipped
D
Humidity in the air forms fog in a valley.

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Solutions
Tree roots split apart rocks in the ground.
Question 28/30
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Directions For Questions

An algal bloom occurs.

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If a lake receives a large input of a limiting nutrient, which of these would happen first?

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A
An algal bloom occurs.

Correct

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B
Algae begin to die and decomposers take over.

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C
Nitrogen compounds are recycled.

Correct

Wrong

Skipped
D
The concentration of oxygen drops below the necessary level.

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Solutions
An algal bloom occurs.
Question 29/30
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Directions For Questions

B1

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Beri-Beri is caused by the lack of vitamin:

Correct

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Skipped
A
B1

Correct

Wrong

Skipped
B
A

Correct

Wrong

Skipped
C
D

Correct

Wrong

Skipped
D
C

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Solutions
B1
Question 30/30
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Directions For Questions

Vitamin K

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Which one among the following vitamins is necessary for blood clotting ?

Correct

Wrong

Skipped
A
Vitamin D

Correct

Wrong

Skipped
B
Vitamin A

Correct

Wrong

Skipped
C
Vitamin K

Correct

Wrong

Skipped
D
Vitamin C

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Solutions
Vitamin K

Question 1/30

deductive reasoning may be used, but inductive reasoning is preferred

either deductive reasoning, inductive reasoning, or both may be used

inductive reasoning may be used, but deductive reasoning is preferred

only inductive reasoning is used

Question 2/30

Blood

Skin

Sugar

Insulin

Question 3/30

vitamin B

vitamin C

vitamin D

vitamin A

Question 4/30

Johnson

Morgan

F.B. Morrison

G.J. Mandel

Question 5/30

maintenance of turgidity

sequestration of toxic ions

a temporary repository of sugars

a site of some reactions of photorespiration

Question 6/30

Mercury

Zinv

Lead

tin

Question 7/30

energy flows in one direction, and nutrients recycle.

energy is limited in the biosphere, and nutrients are always available.

nutrients flow in one direction, and energy recycles.

energy forms chemical compounds, and nutrients are lost as heat.

Question 8/30

Arachnids

Crustaceans

Insects

Myriapods

Question 9/30

indicate that we have reached a state of unstable equilibrium in which speciation and extinction rates are approximately equal.

suggest that one-half of all animal and plant species may be gone by the year 2100.

indicate that rates may be 1,000 times higher than at any other time in the last 100,000 years.

B and C only are true.

Question 10/30

1 and 4 only

2 and 3 only

2,3 and 4 only

1,2,3 and 4

Question 11/30

7.5-8.0

4.5-5.5

5.5-6.5

8.5-9.0

Question 12/30

Saltish

Acidic

Protein

Protein

Question 13/30

prophase

telophase

interphase

anaphase

Question 14/30

present on the same chromosome

transferred from one chromosome to its homologous partner

transferred from one homologous pair to another

present on different chromosomes

Question 15/30

AIDS

Chicken-pox

Mumps

Herpes Simplex

Question 16/30

golgi apparatus

endoplasmic reticulum

mitochondria

lysosome