Give reason for the following
Owls have better night vision than day vision.
The rods in the case of owls are well developed and are more in number. The rods are adapted for vision in the dark and thus the owls have a better night vision.
Give scientific terms for each of the following
Adjustment of the eye in order to obtain a clear vision of objects at different distances.
Give one significant difference between each of the following:
Uricotelism and Ammonotelism.
Give one significant difference between each of the following:
Open vascular system and closed vascular system.
Give reason for the following
The spores of Bacillus thringiesis are used as bioinsecticide.
Give scientific terms for each of the following
A device to measure growth in length of a plant.
Give one significant difference between each of the following:
Auxetic growth and Accretionary growth.
Give reason for the following
The water-potential of pure water changes when solute is added to it.
