While looking through the microscope Ramesh saw few organisms. Help him to distinguish these organisms into Prokaryotes and Eukaryotes.

Jayan is trying to group few organisms into two-categories such as prokaryotes and eukaryotes. Help him by giving distinguishable characters of these groups.

During a field trip Raju has some organisms with the following characters. Help him to identify the phyla of those organisms. a) Metameically segmented body. b) Body covered with calcareous shell. c) Dorso-ventrally flattened leaf like body. d) Body divided into head, thorax and abdomen.

Among the following, select the correct statements. (a) In majority of higher plants and animals, growth and reproduction are mutually exclusive events. (b) In non-living objects growth is byaccumulation of material on the surface. (c) An isolated metabolic reaction outside the body of an organism, performed in a test tube is neither living nor non-living. (d) All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental cues.