Biology MCQ in English Set-86

Biology MCQs for all Competitive Exams SET-86
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-86
जीव विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

Root pressure is developed in

[A].   cortex
[B].   phloem
[C].   xylem
[D].   pith


Question : 2

Mendel's second law is the law of

[A].   segregation
[B].   independent assortment
[C].   dominance
[D].   polygenic inheritance


Question : 3

Rate of transpiration can be measured by

[A].   Ganong's potometer
[B].   auxanometer
[C].   respirometer
[D].   porometer


Question : 4

The genotype of a plant showing a dominant phenotype can be determined by

[A].   backcross
[B].   dihybrid cross
[C].   testcross
[D].   pedigree analysis


Question : 5

Stomata open at night in

[A].   CAM plants
[B].   C3 plants
[C].   C4 plants
[D].   succulent plants


Question : 6

Release of water from plants as water droplet is known as

[A].   root pressure
[B].   transpiration
[C].   osmotic pressure
[D].   guttation


Question : 7

The most abundant element present in plant is

[A].   nitrogen
[B].   manganese
[C].   carbon
[D].   iron


Question : 8

In N2- fixation process, nitrite is converted to nitrate by

[A].   Nitrobacter
[B].   Azotobacter
[C].   Nitosomonas
[D].   Azospirillum


Question : 9

The ulcer is mostly due to infections by a bacterium called

[A].   Helicobacter pylori
[B].   Strepto cocci
[C].   Staphylo cocci
[D].   Mycobacterium tuberculae


Question : 10

The most abundant element present in plant is

[A].   nitrogen
[B].   manganese
[C].   carbon
[D].   iron





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