Assertion [A]: Nematodes are pseudocoelomates.
Reason [R]: Perivisceral space is filled with parenchyma derived from mesoderm.
Name the part performing the following functions in the human female reproductive system:
(i) Production of eggs
(ii) Site of fertilization
(iii) Site of implantation
(iv) Entry of the sperms
What changes are observed in the uterus:
(i) Subsequent to the implantation of the zygote and
(ii) If an egg does not get fertilized?
Why are testes in human males located outside the abdominal cavity in scrotum?
Select the option having correct matching of the organism given in Column I with the mode of reproduction in Column II: Column I {0.2cm}
The mass of particle X is four times the mass of particle Y. The velocity of particle Y is four times the velocity of X. The ratio of de Broglie wavelengths of X and Y is:
An inductor and a resistor are connected in series to an AC source of voltage \( 144\sin(100\pi t + \frac{\pi}{2}) \) volts. If the current in the circuit is \( 6\sin(100\pi t + \frac{\pi}{2}) \) amperes, then the resistance of the resistor is: