Explanation:
Physiological effects of abscisic acid
Abscisic acid acts as growth inhibitor and induces bud dormancy in a variety of plants. 2. ABA is a powerful growth inhibitor. It causes 50 per cent inhibition of growth of oat seedlings.
Answer - C
Nonvascular plants do not consist of xylem and phloem and they have their own mechanism of action for transport of water and other nutrients to their cells.
Answer:
The membrane is selectively permeable because substances do not cross it indiscriminately.
Explanation:
Answer:
The correct answer is - sexual transmission.
Explanation:
HIV infections can be transmitted by the various mode. Sexual transmission is one of the major mode of transmission which is comprise almost 90 % of HIV infection, according to the reports. These are relatively inefficient mode, unprotected or unnatural sex is the major mode for the HIV transmission worldwide. Cases are now comparatively less than when it was discovered due to awareness.
Thus, the correct answer is - sexual transmission.
