Biology
Given below is a diagram representing the structure of an ovum surrounded by a few sperm cells. Study the diagram and answer the questions that follows.
(a) Where does fertilisation, normally take place?
(b) Mention the chromosome number in egg and zygote in humans.
(c) What is the main function of corona radiata?
Related Questions
A red coloured pigment A is found in the blood of vertebrates and a few invertebrates. A blue coloured respiratory pigment B is found in the blood of several invertebrates. Name A and B.
Differentiate between thigmotropic and chemotropic movement.
Who among the Dryopithecus and Ramapithecus was more man like?
Give the exact location of occipital lobe of cerebral cortex.