In slime molds spores develop into_____.

1. 1. Amoeboid reproductive cells
   2. Swarm cells
   3. Biflagellated cells
   4. All of these

The heart is enclosed in a membrane called_____.

1. 1. pleura
   2. peritoneum
   3. epithelium
   4. pericardium

The bristles on the body of the cockroach arise from_____.

1. 1. Trichogen cell
   2. Basement membrane
   3. Malpighian cell
   4. Epidermis

Types of behaviour enabling pillbugs to reach moist area is_____.

1. 1. Taxes
   2. Kinesis
   3. Instinct
   4. Learning

Balbiani discovered special type of chromosome from the salivary gland of chironomus larva which are recognized by the presence of _____.

1. 1. Bands
   2. Loops
   3. Both bands and loops
   4. None of these

Collagen fibers of bone are hardened by deposition of_____.

1. 1. Ca & PO4
   2. CaCO3
   3. CaSO4
   4. SiO2

How many species of ascomycota occur in lichen symbiotic association?

1. 1. 20%
   2. 30%
   3. 40%
   4. 50%

Following possess bilateral symmetry as larva and radial symmetry as adult _____.

1. 1. Echinodermata
   2. Chordata
   3. Hydra
   4. Hemichordata

Diameter of thick filament is_____.

1. 1. 7 nm.
   2. 16nm
   3. 8 nm
   4. 10-100 nm.

Commonly in other plants than tall ones the speed of upward movement of water is_____.

1. 1. 8mh-1
   2. 7 mh-1
   3. 4 mh-1
   4. 1 mh-1