Usually, the mass of an egg is measured in ____.
An egg usually has X chromosome, but in some cases they contain Y chromosome.
An anemometer is usually used to measure(a) speed of wind(b) direction of wind(c) humidity in the air(d) none of these
The atmospheric pressure is usually measured in the unit of : (a) newtons per square metre (b) Pascal (c) cm of mercury (d) mm of mercury
Human is the union of a human egg and sperm, usually occurring in the ampulla of the uterine tube. How many nuclei are present in each zygote?