Question 1Which of the following animals lack alimentary canalA.earthwormB.jelly fishC.insectD.fishE.molluskObjective Show full explanation
Question 2............... is not a major air pollutant A.carbon monoxideB.ozoneC.oxygenD.sulphur dioxideE.hydrogen sulphideObjective Show full explanation
Question 3Which of the following is not a function of a tongueA.function as organ as tasteB.helps in softening foodC.it helps during chewing of foodD.it helps in swallowing of foodE.it is essential in speech Objective Show full explanation
Question 4The most direct product of meiosis in a plant isA.sporeB.gameteC.zygoteD.sporophyteE.gametophyte Objective Show full explanation
Question 5Which of the following vertebrate undergo external fertilization? A.amphibianB.reptilesC.birdsD.mammalsE.both C and DObjective Show full explanation
Question 6Human somatic cells are made up of X and Y chromosome. However chromosome is found inA.zygoteB.ovumC.sperm cellD.cell of a femaleE.egg cellsObjective Show full explanation
Question 7Open circulatory system is found in A.ratB.birdC.toadD.insectE.fish Objective Show full explanation
Question 8Which bone is called the bone of the digits?A.humerusB.femurC.sacrumD.phalengesE.tibiaObjective Show full explanation
Question 9Which of the following is essential for a living cell?A.flagellaB.capsuleC.cell wallD.cytoplasmic membraneE.capsule and cell wallObjective Show full explanation
Question 10Bacteria flagella impart motility to the cell byA.undulating movementB.rotatory movementC.gliding movementD.swaying movementE.looping movementObjective Show full explanation