Last seen: Jul 5, 2023
Correct answer: (4) 50% color-blind
Correct answer: (4) none of the progenies
Correct answer: (2) 8 different gametes and 64 different zygotes
Correct answer: (2) protein structure
Correct answer: (4) haemophilia
Correct answer: (3) sex differentiating traits
Correct answer: (1) linkage
Correct answer: (1) expressed in males
Correct answer: (1) They are reproductively distinct
(a) The function of respiratory system is to breathe in oxygen for respiration (producing energy from food), and to breathe out carbon dioxide produce...
If humans also had gills then the deep sea divers could remain under sea water even without carrying oxygen cylinders for breathing as they would be a...
Plants do not move. In a large plant body there are many dead cells like sclerenchyma as a result it requires less energy as compared to animals.
The energy currency of the cell is ‘ATP’. It is produced in cytoplasm in lower organisms which respire anaerobically. In higher organisms, ‘ATP’ is pr...
The rate of breathing in aquatic animals is much faster than terrestrial animals because the amount of oxygen dissolved in water is low as compared to...
Fishes die when taken out of water because they do not have lungs to utilize the oxygen of air for breathing and respiration. They have gills which ca...
(a) Aquatic animals are the animals which live in water and the terrestrial animals are the animals which live on land. (b) The aquatic animals use...
(a) Respiration in roots: The roots of a plant take the oxygen required for respiration from the air present in between the soil particles by the proc...
The deficiency of haemoglobin in the blood of a person reduces the oxygen carrying capacity of blood resulting in breathing problems, tiredness and la...
Respiration and fish: The fish has special organ of breathing called gills on both the sides of its head. The gills are covered by gill covers. The fi...