Last seen: Jul 27, 2023
Correct Option: (D) Insects Explanation: Open circulatory system occurs in invertebrate animals such as arthropods (e.g. insects, spiders, crabs a...
Correct Option: (A) Double circulation Explanation: Because the pulmonary circuit bringing pure blood remains separated from the systemic blood in...
Correct Option: (A) A - Higher - B - higher
Correct Option: (B) EC = ERV + TV
Correct Option: (A) contraction of external intercostals muscles moves the ribs forward & upward.
Correct Option: (C) A - 40, B - 45, C - 95, D - 40 Explanation: A and B indicates partial pressure of oxygen and carbon dioxide resp. in deoxygen...
Correct Option: (B) Haemoglobin of foetus has higher affinity for oxygen. Explanation: p50 value of foetal Hb is lower than p50 value of adult Hb.
Correct Option: (D) reduces the oxygen carrying capacity of haemoglobin Explanation: Hb shows maximum affinity for CO.
Correct Option: (A) Pneumotaxic centre
Correct Option: (C) Rise in P50 with an increase in CO2 concentration. Explanation: Bohr effect means dissociation of oxyhaemoglobin with increase...
Correct Option: (C) Present in high concentration in RBCs and in minute quantities in plasma
Correct Option: (B) Hb(O2)4 Explanation: Hb + 4O2 → Hb(O2)4 oxyhaemoglobin.
Correct Option: (D) Infinite
Correct Option: (A) Pyruvic acid
Correct Option: (C) Ascorbic acid inhibits oxidase enzyme
Correct Option: (C) By interfering in respiratory and food mechanism
Correct Option: (B) 19
Correct Option: (C) The rate of photosynthesis decreases earlier than respiration.
Correct Option: (D) Cytochrome
Correct Option: (D) All of these