Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by Option 1 : WindOption 2 : BeeOption 3 : BatOption 4 : Water

The function of copper ions in copper releasing lUD’s is Option 1 : They make uterus unsuitable for implantationOption 2 : They inhibit gametogenesisOption 3 : They inhibit ovulationOption 4 : They suppress sperm motility and fertilizing capacity of sperms

Among the following characters, which one was not considered by Mendel in his experiments on pea? Option 1 : Seed - Green or yellowOption 2 : Trichomes - Glandular or non-glandularOption 3 : Stem - Tall or dwarfOption 4 : Pod - Inflated or constricted

Homozygous purelines in cattle can be obtained by Option 1 : Mating of individuals of different speciesOption 2 : Mating of unrelated individuals of same breedOption 3 : Mating of related individuals of same breedOption 4 : Mating of individuals of different breed

Which of the following organisms are known as chief producers in the oceans? Option 1 : DinoflagellatesOption 2 : EuglenoidsOption 3 : CyanobacteriaOption 4 : Diatoms

Which of the following animals does not undergo metamorphosis? Option 1 : TunicateOption 2 : MothOption 3 : EarthwormOption 4 : Starfish

Which of the following features is used to identify a male cockroach from a female cockroach? Option 1 : Presence of a boat shaped sternum on the 9th abdominal segment.Option 2 : Forewings with darker tegminaOption 3 : Presence of caudal stylesOption 4 : Presence of anal cerci

Which one of these animals is not a homeotherm? Option 1 : MacropusOption 2 : PsittaculaOption 3 : CamelusOption 4 : Chelone

Ciliates differ from all other protozoans in Option 1 : Using flagella for lovcomotionOption 2 : Having a contractile vacuole for removing excess waterOption 3 : Having two types of nucleiOption 4 : Using pseudopodia for capturing prey

Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system. Option 1 : OsteichthyesOption 2 : AmphibiaOption 3 : ReptiliaOption 4 : Aves