Which of the following is the largest gland in an adult man?
Options
(a) thyroid (b) liver (c) thymus (d) pancreas
Correct Answer:
liver
Explanation:
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The trisomy for 21st chromosome is called
Options
(a) Klinefelter’s syndrome (b) Turner’s syndrome (c) Down’s syndrome (d) sickle-cell anaemia
Correct Answer:
Down’s syndrome
Explanation:
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Transition type of gene mutation is caued when
Options
(a) GC is replaced by TA (b) AT is replaced by CG (c) CG is replaced by GC (d) AT is replaced by GC
Pithecanthropus erectus fossil was found in
Options
(a) Java (b) China (c) Japan (d) Taxus
Correct Answer:
Java
Explanation:
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Ozons (O₃) layer in stratosphere is effected by
Options
(a) CFC (b) excess of CO (c) excess of CO₂ (d) low rainfall
Correct Answer:
CFC
Explanation:
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The “world environment day” is on
Options
(a) 10th April (b) 5th June (c) 7th August (d) 28th February
Correct Answer:
5th June
Explanation:
No explanation available. Be the first to write the […]
Restriction endonuclease is employed for cutting
Options
(a) A single stranded DNA (b) Double stranded DNA (c) RNA fragment (d) mRNA
Correct Answer:
Double stranded DNA
Explanation:
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Both respiration and photosynthesis require
Options
(a) sunlight (b) chlorophyll (c) glucose (d) cytochromes
Correct Answer:
cytochromes
Explanation:
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Apical dominance is caused by
Options
(a) kinetin (b) gibberellin (c) auxin (d) ABA
Correct Answer:
auxin
Explanation:
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According to one of the most widely accepted theory, earth’s atmosphere before origin of life consisted of a mixture of
Options
(a) O₃, CH₄, O₂ and H₂O (b) O₂, NH₃, CH₄ and H₂O […]
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