STD 11 - 7. Structural organisation in animal — NEET STD 11 Science — Question

Choose incorrect statement for haemophilia.

Which one has nothing to do with nitrogenous excretion?

Statement I: LH acts on the Sertoli cells and stimulates secretion of some factors which help in the process of spermiogenesis.
Statement II: FSH acts at the Leydig cells and stimulates synthesis and secretion of androgens. Androgens, in turn, stimulate the process of spermatogenesis.

The process of release of urine is called micturition and the neural mechanisms causing it is called the micturition reflex.
(i) Urine formed by the nephrons is ultimately carried to the urinary bladder.
(ii) This signal is initiated by the stretching of the urinary bladder as it gets filled with urine.
(iii) In response, the stretch receptors on the walls of the bladder send signals to the CNS.
(iv) The CNS passes motor messages to initiate the contraction of smooth muscles of the bladder causing the release of urine.
Choose correct option which contain correct order of phenomena of micturation :-

In which case Darwin theory is wrong

Mendel’s law of sagregation is applicable to

First step in biogas production is carried out with the help of

Select the right option

Thymus gland secretes...