In tissue culture technique, to maintain aseptic conditions the nutrient medium is autoclaved at constant pressure of _________ $\mathrm{lb} / \mathrm{sq}$ inch for continuous __________ minutes.
10,15
15,15
15,20
20,20
Which one of the following does not show suspend type of adaptation?
Dormancy of seeds.
Hibernation of polar bear
Aestivation in some snails
Movement of birds to a more hospitable location during stress
Select the INCORRECT statement regarding spinal cord from the following.
Ascending spinal tracts conduct sensory impulses to the brain.
Dorsal root ganglion has unipolar sensory neurons.
Descending spinal tracts carry motor impulses from the brain to spinal cord.
Watering of mouth on sight of food is a spinal reflex.
Which one of the ecosystem service is necessary for crop production and fruit formation?
Photosynthesis
Pest Control
Therapeutics
Pollination
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