Parabronchi are present in_____.

1. 1. birds
   2. cockroach
   3. frog
   4. fish

Lungs are spongy due to the presence of million of_____.

1. 1. Air sacs
   2. Bronchioles
   3. Parabronchi
   4. Alveoli

Which of the following is antagonist to Auxin in terms of promotion of stem growth_____.

1. 1. Abscisic Acid
   2. Gibberellins
   3. Cytokinins
   4. All of these.

Animals with greatest number of similarities are grouped together in a/an_____.

1. 1. Phylum
   2. Family
   3. Order
   4. Genus

Which one of the following remove nucleotides from the ends of DNA or RNA?

1. 1. Endonuclease
   2. S 1 nuclease
   3. Exonuclease
   4. Deoxyribonuclease

How many vertebrae are present in thoracic region?

1. 1. 12
   2. 14
   3. 16
   4. 18

Which is an organic compound found in most cells?

1. 1. Glucose
   2. Water
   3. Oxygen
   4. Sodium chloride

Terrestrial animals like kangaroo rat survive even without drinking water since_____.

1. 1. They are anhydrobiotic organisms
   2. They don’t require water for their metabolic process
   3. They can retain excessive water in their body during raining season
   4. They feed on carbohydrate rich seeds which can provide them with metabolic water

Respiratory distress syndrome is common especially for infants with _____.

1. 1. Less than 8 months
   2. Less than 7 months
   3. More than 7 months
   4. More than 8 months

Destruction of all life forms is called _____.

1. 1. Disinfection
   2. Sterilization
   3. Preservation
   4. Antisepsis