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- Freshwater lakes and ponds
- Phytoplanktonic population
- Marine environment
- All of the above
Sciences MCQs
It is one of the convulsive disorders of nerves which are characterized by abrupt transient symptoms of motor, sensory, psychic or autonomic nature_____.
-
- Parkinson’s disease
- Alzheimer’s disease
- Dementia
- Epilepsy
The gal bladder releases _____enzyme to digest the food ?
-
- Pepsin
- Hcl
- Both
- None of these
The study of fossils is called_____.
-
- Paleontology
- Environmental Biology
- Historical biology
- Social biology
During rest the breathing occurs rhythmically at the frequency of _____times per minute in human?
-
- 16-30
- 5-10
- 6-12
- 15-20
What is hibernation and aestivation_____.
-
- Wind adaptation shown by animals
- Thermal adaptation shown by animals
- Adaptation of animals to escape from predators
- All of the above
The one which can break open a plasmid ring is_____.
-
- Primase enzyme
- Ligase enzyme
- Restriction endonuclease
- ATP-ase enzyme
The first eukarotes appeared about _____years ago?
-
- 2.5 billion
- 1.5 billion
- 3.5 billion
- 4.5 billion
Density gradient centrifugation separates the materials on the basis of_____.
-
- Density alone
- Size alone
- Both a & b
- Velocity of movement
According to Lamarch evolution occurred as the result of_____.
-
- Natural selection
- The theory of recapitulation
- Over production
- Inheritance of acquired characters