Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2006ZoologyOrganisms and PopulationsActual

On high mountains, difficulty in breathing is due to :

Options

  1. Adecrease in partial pressure of O ₂
  2. Bdecrease in amount of O ₂
  3. Cincrease in CO ₂ concentration
  4. Dall of the above

Correct answer

A. decrease in partial pressure of O ₂

Step-by-step solution

On high mountains, difficulty in breathing is due to decrease in partial pressure.

Practice Organisms and Populations on Quantrex Academy →

More from Organisms and Populations

Match List-I with List-II . List-I List-II A. Both species are harmed I. Predation B. One species is harmed and the other is benefited II. Mutualism C. Both species are benefited I 2026Choose the correct statements regarding population interactions between two species. A. In both parasitism and commensalism, only one species benefits and the other species is harm 2026Which of the following equations depicts Verhulst-Pearl logistic population growth ? 2026Consider a population of 10 million cells. Given the per-capita birth rate of 0.002 (per unit time) and the per-capita death rate of 0.002 (per unit time), the expected number of c 2026Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R . Assertion A : The logistic growth model of populations is considered more re 2026Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R . Assertion A : Abingdon tortoise in Galapagos islands became extinct within a 2026Which one of the following is an appropriate example of 'sexual deceit' ? 2026Who is known as the father of Ecology in India? 2025 Full Organisms and Populations list All NEET PYQs