Consider statements about plant biology: 1. Transpiration occurs through stomata. 2. Guttaion occurs through hydathodes. 3. Phloem transports water upwards. Which are correct? MCQ with Answer and Explanation

Transpiration is the loss of water vapor primarily through the stomata on the leaf surface. Guttation is the exudation of liquid water from the margins of leaves through specialized structures called hydathodes, usually at night when root pressure is high. Phloem is responsible for the translocation of organic food (bidirectional), while xylem transports water and minerals upwards. Thus, statements 1 and 2 are correct.