STD 11 - 19. Chemical coordination and integration — NEET STD 11 Science — Question

Assertion: Process of exchange of O₂ from the atmosphere with CO₂ produced by the cells is called breathing
Reason: Respiration includes breakdown of glucose,

Select the taxon mentioned that represents both marine and fresh water species

In genetics, the use of chequer board was done by

The male human is represented by sex chromo-somes

Chronic auto immune disorder affecting neuro muscular junction leading to fatigue, weakening and paralysis of skeletal muscle is called as :

In an organism, pink spot is a sex-linked recessive trait and black hair is dominant to white. If a pink spotted black heterozygous female is mated to a white male which is not spotted, the phenotypic ratio of the offspring would be

Choanocytes perform