Incomplete metamorphosis occurs in the
Which of the following lacks chaetae, tentacles and antennae?
Which of the following is NOT true of spirogyra?
For effective functioning of a bird’s quill feather, hooks fit on the ridge of the
Which of the following has cones?
Which of these animals is radially symmetrical?
Which of the following pairs are fully adapted to terrestrial life?
Viruses are regarded as non-living because they