Everyday Science MCQs

5120 MCQs  (Page 71 of 512)

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Unbroken series of organisms arranged from ancestor to descendant sequence is____________?
A. Biodiversity
B. Phyletic lineage
C. Connecting link
D. Evolutionary line
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Out of 92 naturally occurring chemical elements how many are considered as bio-elements__________?
A. 6
B. 16
C. 26
D. 15
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A large regional community primarily determined by climate is called__________?
A. Population
B. Community
C. Biome
D. Habitat
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Branch of biology which deals with the study of chemical components and chemical processes in living organisms is called________________?
A. Molecular biology
B. Physiology
C. Biochemistry
D. Atomic biology
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A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as________?
A. An organ
B. An organism
C. A tissue
D. A cell
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Out of total organisms on earth, _____________are vascular plants?
A. 53.10%
B. 19.90%
C. 17.60%
D. 9.40%
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Breakdown of large molecules into smaller ones utilizing water molecules is_________?
A. Hydration
B. Hydrolysis
C. Dehydration synthesis
D. Electrolysis
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Oxygen accounts for __________ percent of totals human body mass?
A. 65%
B. 18%
C. 10%
D. 3%
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Which one is not correct for a productive theory________?
A. It is predictive
B. It has explanatory power
C. It discourages suggestion of different hypotheses
D. None of these
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___________ is concerned with cell secretions?
A. Endoplasmic reticulum
B. Golgi complex
C. Lysosomes
D. Cell membrane
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Word of the Day
18 Jul
Proactive
(of a person or action) creating or controlling a situation rather than just responding to it after it has happened.
فعال، پیش قدمی کے ذریعے صورتحال پر قابو پانیوالا

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