Birds MCQs

1.Birds use the neck and bill as a___________ appendage?

ThirdFifthFourthSix

2.irds are a group of__________ blooded vertebrates?

ColdWarmBoth A,BNone of these

3.Birds are__________?

Cold bloodOviparousViviparousOvoviviparous

4.The bones of most birds are__________?

HeavyLight weightBoth A,BNone of these

5.All birds periodically shed and replace their feathers in a process called__________?

MoltingEcdysisBoth A,BNone of these

6.Birds calls and songs which are produced in the__________?

LyarnxPharynxBoth A,BSyrnix

7.The wings of the birds are adapted for different kinds of _________?

FightFlightMovementAll of these

8._________are a feature characteristic of birds?

FeathersEyesBoth A,BNone of these

9.All birds lay amniotic eggs with hard shells made mostly of__________?

LigninCelluloseCalcium carbonateAll of these

10.Male birds have two________chromosomes?

XYZZXXZW

11.The highest bird diversity occurs in _________ regions?

TropicalDesertRainyAll of these

12.The cloaca is a_________ purpose opening?

MultiSingleNo functionAll of these

13.The scales of birds are composed of___________?

LigninCelluloseKeratinChitin

14.Birds lenses are transparent to__________?

SunlightDarknessElectricityUV light

15.The retina of a birds eye is __________?

ThinThickBoth A,BNone of these

16.Aquatic birds generally feed by__________?

FishingPlant eatingPiracyAll of these

17.Some birds become torpoid and allow their body temperature to_________ on cool nights?

HighDropEqualNone of these

18.Most migrations are__________?

DailyMonthlyAnnualAll of these

19.Because of high metabolic rates birds have a _________rate of oxygen consumption?

GreaterSmallerEqualAll of these

20._________refers to periodic round trips between breeding and non breeding areas?

MigrationHibernationHarvestingNone of these