Which of the following is/are male gametes? Option 1 : AntherozoidsOption 2 : EggOption 3 : ZygoteOption 4 : Ovum

Pre-fertilization events among these are Option 1 : EmbryogenesisOption 2 : SyngamyOption 3 : Formation of zygoteOption 4 : Gametogenesis and gamete transfer

‘Humans’ are Option 1 : Continuous breederOption 2 : Seasonal breederOption 3 : Both (a) and (b)Option 4 : None of these

Which of the following can be considered as one of the parameter of senescence or old age? Option 1 : Slowing of metabolism due to diseaseOption 2 : End of reproductive phaseOption 3 : Hormonal imbalanceOption 4 : End of juvenile or vegetative phase

Find the correct statement. Option 1 : Perennial plants show clear cut vegetative, reproductive and senescent phase.Option 2 : Female of non-primates shows cyclical changes during reproductive phase which is known as menstrual cycle.Option 3 : Birds in captivity can be made to lay eggs ...

Most wild mammals are Option 1 : Continuous breederOption 2 : Continuous for half year, seasonal for next half yearOption 3 : Seasonal breederOption 4 : None of these

The diagram shows: Option 1 : Conidia of PenicilliumOption 2 : Gemmules in spongeOption 3 : Zoospores of hydraOption 4 : Zoospores of chlamydomonas

Oestrous cycle occurs in Option 1 : RatsOption 2 : DeerOption 3 :CowsOption 4 : All of these

Which of the following mammals show menstrual cycle? Option 1 : ApesOption 2 : HumansOption 3 : MonkeysOption 4 : All of these

Which of these statement is true about Strobilanthus kunthiana? Option 1 : It flowers once in 12 years.Option 2 : This plant flowers during September to October 2006Option 3 : Its mass flowering transformed large tracks of hilly areas in Kerala, Karnataka and Tamil Nadu into blue ...