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 341: The first step in the process of photosynthesis is the
Options:
A) activation of the chlorophyll
B) photolysis of water
C) reduction of carbondioxide
D) formation of sugar
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The correct answer is A .
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Question 342:
In which of the following groups of animals are flagella and cilia found?
Options:
A) Flatworms
B) Annelids
C) Coelenterates
D) protozoa
E) Nematodes
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The correct answer is D .
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Question 343:
Ecology is best defined as the study of
Options:
A) The characteristics of an environment
B) The inter-relationship between living organisms and the environment
C) Living organisms in a particular area
D) The habitats and wild life
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The correct answer is B .
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Question 344:
Which of the following structure is associated with aerobic respiration?
Options:
A) 1
B) 2
C) 3
D) 4
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The correct answer is D .
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Question 345: In million's test, when the reagent is added to a protein food item, a white precipitate is produced which turns
Options:
A) blue on heating
B) yellow on heating
C) green on heating
D) red on heating
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The correct answer is D .
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Question 346: 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
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The correct answer is E .
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Question 347: Mosses, liverworts and ferns can be grouped together because they
Options:
A) Are all aquatic plants
B) All grow in deserts
C) Are seedless plants
D) Have undifferentiated plant bodies
E) All produce colourless flowers
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The correct answer is C .
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Question 348: Anaerobic respiration differs from aerobic respiration by the production of
Options:
A) less amount of energy and water
B) greater amount of energy and alcohol
C) less amount of energy and alcohol
D) greater amount of energy and water
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The correct answer is C .
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Question 349:
Raw materials required by green plants to manufacture their food are
Options:
A) mainly fluids
B) inorganic substances
C) living materials
D) mainly gases
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The correct answer is B .
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Question 350: The major function of contractile vacuole in amoeba is
Options:
A) to secrete enzyme to digest food particles
B) to store excess food materials
C) to excrete nitrogenous waste
D) to absorb water from the surrounding
E) to collect and expel water in the cytoplasm
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The correct answer is E .