Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.
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Question 41: The blood circulatory system of vertebrates consists of
Options:
A) heart, arteries, capillaries and veins
B) heart, aorta, capillaries and veins
C) heart, aorta, arteries and veins
D) heart, vena cava, arteries, and veins
Show Answer
The correct answer is A .
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Question 42: Which of the following is true of the children of a heamophilic man who marries a woman that is not haemophilic and does not carry the trait?
Options:
A) All their sons will be haemophlic
B) all their daughters will be haemophilic
C) All their daughters will be carriers
D) all their sons will be carriers
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The correct answer is C .
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Question 43:
Viviparity refers to the reproductive strategy in which
Options:
A) Offspring are produced by internal fertilization
B) Offspring are produced by external fertilization
C) Offspring develop and are nourished inside the female's body
D) Offspring develop and are nourished outside the female's body
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The correct answer is C .
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Question 44:

The figure above is a section of a drupe. The part numbered 2 is
Options:
A) epicarp
B) endocarp
C) mesocarp
D) seed
E) pericarp
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The correct answer is C .
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Question 45: One common characteristic of fungi, algae, mosses and ferns is that they
Options:
A) show alternation of generations
B) reproduce sexually by conjugation
C) produce spores that are dispersed
D) possess chlorophyll in their tissues
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The correct answer is C .
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Question 46: The following organisms are hermaphrodites EXCEPT
Options:
A) snail
B) Taenia
C) Schistosoma
D) Earth worm
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The correct answer is C .
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Question 47:
In which of the following does external fertilization take place?
Options:
A) toad
B) lizard
C) bird
D) cockroach
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The correct answer is A .
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Question 48: The largest amount of yolk is found in the egg of
Options:
A) amphibians
B) pisces
C) repitles
D) aves
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The correct answer is D .
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Question 49:

The correct evolutionary sequence of the organisms represented is
Options:
A) IV->II->III->I
B) III->II->I->IV
C) II->III->IV->I
D) I->III=>II->IV
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The correct answer is A .
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Question 50:

The organism is found in soils rich in
Options:
A) mud
B) humus
C) clay
D) sand
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The correct answer is B .