-
- birds
- cockroach
- frog
- fish
Sciences MCQs
Lungs are spongy due to the presence of million of_____.
-
- Air sacs
- Bronchioles
- Parabronchi
- Alveoli
Which of the following is antagonist to Auxin in terms of promotion of stem growth_____.
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- Abscisic Acid
- Gibberellins
- Cytokinins
- All of these.
Animals with greatest number of similarities are grouped together in a/an_____.
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- Phylum
- Family
- Order
- Genus
Which one of the following remove nucleotides from the ends of DNA or RNA?
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- Endonuclease
- S 1 nuclease
- Exonuclease
- Deoxyribonuclease
How many vertebrae are present in thoracic region?
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- 12
- 14
- 16
- 18
Which is an organic compound found in most cells?
-
- Glucose
- Water
- Oxygen
- Sodium chloride
Terrestrial animals like kangaroo rat survive even without drinking water since_____.
-
- They are anhydrobiotic organisms
- They don’t require water for their metabolic process
- They can retain excessive water in their body during raining season
- They feed on carbohydrate rich seeds which can provide them with metabolic water
Respiratory distress syndrome is common especially for infants with _____.
-
- Less than 8 months
- Less than 7 months
- More than 7 months
- More than 8 months
Destruction of all life forms is called _____.
-
- Disinfection
- Sterilization
- Preservation
- Antisepsis