| Animal | Characteristic | Taxon | |
| 1. | Millipede | Ventral nerve cord | Arachnids |
| 2. | Sea Anemone | Triploblastic | Cnidaria |
| 3. | Silverfish | Pectoral and pelvic fins | Chordata |
| 4. | Duckbilled platypus | Oviparous | Mammalian |
| 1. | Mango | 2. | Wheat |
| 3. | Groundnut | 4. | Rice |
| 1. | It confirms that DNA is the carrier of genetic information |
| 2. | It helps to understand whether the trait in question is dominant or recessive |
| 3. | It confirms that the trait is linked to one of the autosomes |
| 4. | It helps to trace the inheritance of a specific trait |
| 1. | Heterocysts | 2. | Hormogonia |
| 3. | Nodules | 4. | Akinetes |
| 1. | Metaphase-spindle fibers attached to kinetochores, centromeres split and chromatids separate |
| 2. | Metaphase- chromosomes moved to spindle equator, chromosomes made up of two sister chromatids |
| 3. | Anaphase - centromeres split and chromatids separate and start moving away |
| 4. | Late prophase - chromosomes move to spindle equator |
| 1. | has unlimited growth |
| 2. | bears a solitary flower |
| 3. | has unlimited growth but lateral branches end in flowers |
| 4. | terminates in a flower |
| 1. | Gill slits are ventrally placed |
| 2. | Head and trunk are widened considerably |
| 3. | Distinct demarcation between body and tail |
| 4. | Their pectorals fins are distinctly marked off from cylindrical bodies |
| 1. | a layer present between cell wall and membrane of bacteria |
| 2. | cell wall of bacteria |
| 3. | bacterial cell glyco-engineered to possess N-glycosylated proteins |
| 4. | a layer surrounding the cell wall of bacteria |