The site(s) where most of the uptake of water and minerals take place is/are_____.

1. 1. Root hairs
   2. Underground stem
   3. Root cells
   4. All of these

Lungs are situated in the _____.

1. 1. Thoracic cavity
   2. Pericardial cavity
   3. Abdominal cavity
   4. Buccal cavity

Red to orange pigments are _____.

1. 1. Chlorophyll
   2. Carotenoids
   3. Carotenes
   4. Xanthophylls

The word Archaeobacteria (a division of bacteria) is derived from Greek, which means _____.

1. 1. True bacteria
   2. Recent bacteria
   3. Ancient bacteria
   4. False bacteria

The main types of plastids are _____.

1. 1. Chloroplasts
   2. Leucoplasts
   3. Chromoplasts
   4. All of these

In the lytic cycle of bacteriophage the host DNA is_____.

1. 1. Turned on by the removal of the protein coat
   2. Digested into its nucleotides
   3. Replicated
   4. Turn off by the protein coat.

Which of the following is the measure of force with which blood pushes up against the walls of blood vessels?

1. 1. Cardiac output
   2. Stroke volume
   3. Blood flow
   4. Blood pressure

The evaporative cooling in the respiratory tract of dogs is called _____.

1. 1. Vasoconstriction
   2. Panting
   3. Vasodilation
   4. All of these

_____ are considered to be the most primitive and are surely the first of the vertebrates.

1. 1. Amphibinas
   2. Frogs
   3. Jawless fishes
   4. Reptiles

Hemoglobin molecule exhibits which structural organization of proteins_____.

1. 1. Primary structure
   2. Quaternary structure
   3. Secondary structure
   4. Tertiary structure