Agriculture MCQs

Page No. 92

Organisms that can synthesize all their substances from simple inorganic molecules are termed as____________________?


aAudacious


bAutotrophic


cHeterotrophic


dPhototrophic


View Answer Autotrophic

The giant chromosomes of Drosophila are found in_____________________?


aTestes


bSalivary glands


cOvaries


dMuscles


View Answer Salivary glands

The role of nucleus in regulating the morphology of the plant was discovered in___________________?


aPea


bAcetabularia


cMacrospore


dMaize


View Answer Acetabularia

The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called________________?


aGene flow


bGenetic drift


cGene frequency


dNone of the above


View Answer Genetic drift

A mutant organism (bacterium) that will not grow on a minimal medium does so on the addition of some grown factor is known as __________________?


aAutotrophy


bAuxotroph


cAxenema


dHeterotroph


View Answer Autotrophy

The reason why mutations which are harmful do not eliminated from gene pool is that___________________?


aThey are recessive and carried by heterozygous individuals


bGenetic drift occurs because of a small population in to offsprings


cMaking possible reproduction in all types of environments


dThey have future survival value



Which feature is not found in all living beings____________________?


aEnergy storage in high high energy phosphate bonds


bProtein synthesis in ribosome’s


cSome triplet code for amino acids


dTypes of protein occurring in the body



Selenium unigram is used as__________________?


aCardio vascular stimulant


bIn lowering blood pressure


cIn breaking down of cholesterol


dAll of the above


View Answer All of the above

A transonic individual has chromosome number____________________?


a2 n+1


b2 n+2


c2 n+3


d2 n-1


View Answer 2 n+1

The first attempt to show linkage in plants were done in____________________?


aLathers odorous


bAnother Lamarckian


cPossum sativa


dZeal Mays


View Answer Lathers odorous

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