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 271:
Floating microscopic heterotrophs are mostly grouped as
Options:
A) phytoplankton
B) zooplankton
C) microbes
D) nekton
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The correct answer is B .
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Question 272: A green snake in green grass is able to escape notice from predators because of its
Options:
A) disruptive colouration
B) counter shading
C) warning colouration
D) cryptic colouration
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The correct answer is D .
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Question 273: The earliest form of life in animal kingdom is the
Options:
A) class
B) amphibian
C) aves pisces
D) reptilia
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The correct answer is C .
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Question 274: The organism that has a hydrostatic skeleton is
Options:
A) Tilapia
B) Hydra
C) mosquito larva
D) earthworm
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The correct answer is D .
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Question 275: The chitin in the exoskeleton of many arthropods is strengthened by
Options:
A) lids
B) proteins
C) calcium compounds
D) organic salt
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The correct answer is C .
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Question 276: Physiological adaptation to very dry conditions in animals demonstrates
Options:
A) rejuvenation
B) xeromorphism
C) hibernation
D) aestivation
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The correct answer is D .
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Question 277: Which of the following organisms is multicellular?
Options:
A) Chlamydomonas
B) Spirogyra
C) Amoeba
D) Euglena
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The correct answer is B .
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Question 278: Fishes are cold blooded because their body temperature is
Options:
A) constantly low
B) constantly high
C) dependent on that of their surroundings
D) regulated at will
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The correct answer is C .
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Question 279: The bacteria type that are arranged in chains are the
Options:
A) staphylococci
B) clostidia
C) streptococci
D) basilli
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The correct answer is C .
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Question 280: A plant which has a horizontal underground stem is
Options:
A) rhizome
B) corm
C) creeper
D) tuber
E) bulb
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The correct answer is A .