Biology MCQ in English Set-81

Biology MCQs for all Competitive Exams SET-81
Biology Multiple Choice question for All Competitive Exams

Biology Multiple Choice Questions(MCQ)
जीव विज्ञान बहुविकल्पीय प्रश्न

Welcome to our exclusive collections of biology multiple choice questions with answers. All questions are of multiple choice type.In these MCQs sets we are going to share most important questions related to biology. These questions are very helpful for those candidates & aspirants who are preparing for the various government and non government exam as well as in interview.
इस पोस्ट में हम विज्ञान से सम्बंधित कई महत्वपूर्ण बहुविकल्पीय प्रश्न प्रस्तुत कर रहे है , जो कई प्रतियोगी परीक्षाओ में पूछे जाते है. जैसे TET, CTET, JEE, AIPMT, PMT, Police exams ,army exams, CDSE , SBI Clerk , SBIPO, PO, RRB , IBPS PO , PSc, State PSC, Patwari, Samvida, Teacher recruitment test, UPSC, SSC, CGL, SI, CTET, TET, CDS, MAT , SSC 10+2 , CLAT , NIFT , SBI , IBPS Clerk, Vyapam, आदि.

Biology MCQs for all Competitive Exams SET-81
जीव विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

Down's syndrome is due to

[A].   linkage
[B].   inheritance
[C].   crossing-over
[D].   non-disjunction of chromosome


Question : 2

A sequence of DNA that has the ability to change its position is

[A].   Cistron
[B].   Exon
[C].   Intron
[D].   Transposon


Question : 3

A mule is obtained by crossing

[A].   Jack and Jennet
[B].   Jack and Mare
[C].   Stallion and mare
[D].   Stallion and Jennet


Question : 4

A sequence of DNA which is transcribed but not translated

[A].   Axon
[B].   Cistron
[C].   Intron
[D].   Codon


Question : 5

Cori cycle occurs in between

[A].   Liver and kidney
[B].   Kidney and gonad
[C].   Liver and muscle
[D].   Muscle and bone


Question : 6

Which blood protein maintains normal blood pressure

[A].   Albumin
[B].   Globulin
[C].   Fibrinogen
[D].   Collagen


Question : 7

Which antibiotic inhibits peptide bond formation in prokaryotes

[A].   Streptomycin
[B].   Chloramphenicol
[C].   Tetracycline
[D].   Neomycin


Question : 8

Which gland is active during chilhood but atrophies in adult

[A].   Adrenal
[B].   Thymus
[C].   Thyroid
[D].   Pancreas


Question : 9

Which group of organisms serves as the best indicator of pollution in a water body

[A].   Plankton
[B].   Benthos
[C].   Nekton
[D].   Neuston


Question : 10

Which hormone maintains normal blood pressure by regulating excretion of water

[A].   Renin
[B].   Angiotensin
[C].   Angiotensinogen
[D].   Aldosterone





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