What will be the pO2 and pCO2 in the atmospheric air compared to those in the alveolar air ? (i) pO2 lesser, pCO2 higher (ii) pO2 higher, pCO2 lesser (iii) pO2 higher, pCO2 higher (iv) pO2 lesser, pCO2 lesser
1 AnswerWhat are the major transport mechanisms for CO2? Explain.
1 AnswerDiffusion of gases occurs in the alveolar region only and not in the other parts of respiratory system. Why?
1 AnswerState the volume of air remaining in the lungs after a normal breathing.
1 AnswerDefine vital capacity. What is its significance?
1 AnswerWhat would be expected to happen if: (a) GA3 is applied to rice seedlings (b) dividing cells stop differentiating (c) a rotten fruit gets mixed with unripe fruits (d) you forget to add cytokinin to the culture medium.
1 AnswerWould a defoliated plant respond to photoperiodic cycle? Why?
1 AnswerWhich one of the plant growth regulators would you use if you are asked to: (a) induce rooting in a twig (b) quickly ripen a fruit (c) delay leaf senescence (d) induce growth in axillary buds (e) ‘bolt’ a rosette plant (f) induce immediate stomatal closure in leaves.
1 Answer‘Both a short day plant and a long day plant can produce can flower simultaneously in a given place’. Explain.
1 Answer‘Both growth and differentiation in higher plants are open’. Comment.
1 AnswerEarn points by:
Badges are awarded based on your ranking and total points.
To continue with the best experience: