Sperms released in water are carried to the mesenchyme in sponges by_____.

1. 1. Amoeboid cell
   2. Stipules
   3. Spicules
   4. Spines

______ of earth surface is covered with water?

1. 1. 0.1
   2. 0.3
   3. 0.9
   4. 0.75

PCR stand for _____.

1. 1. Polymerase chain reaction
   2. Poly carbomyl reaction
   3. Peptide chain reaction
   4. Pentapeptide chain reaction

Protonema is_____.

1. 1. Thallus like
   2. Fungus like
   3. Algae like
   4. Plant like

A large regional community primarily determined by climate is called?

1. 1. Biome
   2. Population
   3. Community
   4. Habitat

If more substrate to already occurring enzymatic reaction is added and there is no effect on the rate of the reaction what is the form given to this situation_____.

1. 1. Denaturation
   2. Composition
   3. Saturation
   4. Inhibition

Division of nucleus is termed as_____.

1. 1. Karyokinesis
   2. Cytokinesis
   3. Anaphase
   4. Meiosis

Link between living and non-living organisms?

1. 1. Bacteria
   2. Cyanobacteria
   3. Plants
   4. Virus

Type of sensations carried by nociceptors are _____.

1. 1. Touch
   2. Pain
   3. Temperature
   4. Pressure

Ozone depletion occurs commonly due to_____.

1. 1. Carbon dioxide
   2. UV rays
   3. Deforestation
   4. Chlorofluorocarbons