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 401: Which of the following is the dental formula of man?
Options:
A) i(2/2) c(0/1) pm(2/2) m(3/3)
B) i(2/2) c(1/1) pm(2/0) m(3/3)
C) i(2/2) c(1/1) pm(2/2) m(3/3)
D) i(2/2) c(1/1) pm(3/3) m(2/2)
E) i(2/2) c(1/1) pm(2/3) m(3/3)
Show Answer
The correct answer is C .
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Question 402: An hormoiothermic animal kept in a room where the temperature is lower than the body temperature may lose heat by four physical process. Which of the following processes is NOT connected with the body temperature regulation ?
Options:
A) Radiation
B) Sweat
C) Evaporation
D) Conduction
E) Convection
Show Answer
The correct answer is E .
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Question 403: The response of plants to external stimuli in a non-directional manner is known as
Options:
A) Tactic movement
B) Phototropism
C) Geotropism
D) Nastic movement
Show Answer
The correct answer is D .
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Question 404: Which of these plants groups are normally propagated by asexual means?
Options:
A) Banana, yam, pineapple and cassava
B) Yam, cassava, rubber and banana
C) Yam, cassava, orange and banana
D) Banana, cashew, coffee and pineapple
Show Answer
The correct answer is A .
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Question 405:
The development of big muscles by a wrestler is an example of?
Options:
A) acquired characteristics
B) inherited characteristics
C) mutation
D) atrophication
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The correct answer is A .
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Question 406: If the gall bladder of a man is removed by surgery, which of the following processes will be most seriously affected?
Options:
A) Digestion of fats and oil
B) Formation of urea
C) Digestion of starch
D) Conversion of protein
E) Storage and release of the urine
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The correct answer is A .
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Question 407: Serum differs from blood plasma because
Options:
A) contains blood cells and fibrinogen
B) contains soluble food and mineral salt
C) lacks the blood protein and fibrinogen
D) lacks blood cells and albumin
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The correct answer is C .
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Question 408:
What is the primary source of variation in a population?
Options:
A) Gene flow
B) Mutation
C) Natural selection
D) Genetic drift
Show Answer
The correct answer is B .
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Question 409: Which of the following is a measure for the control of bilharzia?
Options:
A) Cutting low brushes around homes
B) Application of molluscicides in water bodies
C) Screening windows and doors with mosquito nets
D) Application of herbicides in water bodies
Show Answer
The correct answer is B .
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Question 410: A population is defined as the collection of
Options:
A) Similar organism that are found in the same habitat
B) Similar organisms that breed in the same habitat
C) Similar organisms that interbreed freely in the same habitat
D) Similar organism eating the same food
E) Different organisms in the same habitat
Show Answer
The correct answer is C .