STD 11 - 14. Breathing and exchange in gases — NEET STD 11 Science — Question

Artificial insemination mean:

The hormone responsible for the sodium metabolism is

Which of the following is not necessarily a property of all hormones

Anatomically, the ear can be divided into three major sections called the outer ear, the middle ear and the inner ear. Which of the following statements are correct for inner car ?
(i) The organ of Corti is a structure located on the basilar membrane which contains hair cells that act as auditory receptors.
(ii) A large number of processes called stereo cilia are projected from the apical part of each hair cell.
(iii) Above the rows of the hair cells is a thin elastic membrane called tectorial membrane is present.
(iv) The vestibular apparatus is composed of three semi-circular canals and the otolith organ consisting of the saccule and utricle.
(v) Semi-circular canals contain a projecting ridge called macula.
(vi) The saccule and utricle contain a projecting ridge called cristae.
(vii) The cristae and macula responsible for maintenance of balance of the body and posture.

If dwarf pea plant was treated with Gibberellic acid, it grew as tall as the pure tall pea plant. If this treated plant is crossed with a pure tall plant then the phenotypic ratio of is likely to be

The given figure illustrates the changes in lung volume during the process of breathing, it represents:

Humans have acquired immune system that produces antibodies to neutralize pathogens. Still innate immune system is present at the time of birth because it

Rate of breathing in an adult human is:

The number of contrasting characters studied by Mendel for his experiments was