Given below are two statements :
Statement I :- Goblet cells are unicellular glands.
Statement II :- Earwax is the secretion of exocrine gland.
In the light of the above statements, choose the correct answer from the options given below:
Given below are two statements regarding oogenesis:
Statement I :- The primary follicles get surrounded by more layers of granulosa cells, a theca and shows fluid filled cavity antrum. Now it is called secondary follicle.
Statement II :- Graffian follicle ruptures to release the secondary oocyte from the ovary by the process called ovulation.
In the light of the above statements, choose the correct answer from the options given below:
If there are 250 snails in a pond, and within a year their number increases to 2500 by reproduction. What should be their birth rate per snail per year ?
Given below are two statements :
Statement I :- The nose contains mucus – coated receptors which are specialised for receiving the sense of smell and are called olfactory receptors.
Statement II :- Wall of the eye ball has three layers. The external layer is called choroid (dense connective tissue), middle layer is sclera (thin pigmented layer) and internal layer is retina (ganglion cells, bipolar cells and photoreceptor cells).
In the light of the above statements, choose the correct answer from the options given below: