A river with an inflow of domestic sewage rich in organic waste may result in :
Death of fish due to lack of oxygen
Drying of the river very soon due to algal bloom
Increased population of aquatic food web organisms
An increased production of fish due to biodegradable nutrients
Analogous structures are a result of:
Divergent evolution
Convergent evolution
Shared ancestry
Stabilizing selection
Which of the following structures is homologous to the wing of a bird?
Dorsal fin of a Shark
Wing of a Moth
Hind limb of Rabbit
Flipper of Whale
To get output 1 for the following circuit, the correct choice for the input is
A=0, B=1, C=0
A=1, B=0, C=0
A=1, B=1, C=0
A=1, B=0, C=1
Which of the following statements is not correct?
Pollen germination and pollen tube growth are regulated by chemical components of pollen interactng with those of the pistil.
Some reptiles have also been reported as pollinators in some plant species.
Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.
Insects that consume pollen or nectar without bringing about pollination are called pollen/nectar robbers.
A non-proteinaceous enzyme is
lysozyme
ribozyme
ligase
deoxyribonuclease