Question

the stem of the pitcher plant is modified into a tubular pitcher to trap insects​

Answer 1

Answer:

Pitcher plants are the carnivorous plants having modified leaves called as pitfall traps - a prey-trapping mechanism characterized by a deep cavity filled with digestive liquid. These plants provide gifts like nectar and colour which attract insect and they drown them. So, the correct answer is " leaf ".

Answer 2

Answer:

Leaf

Explanation:

Pitcher plants are the carnivorous plants having modified leaves called as pitfall traps - a prey-trapping mechanism characterized by a deep cavity filled with digestive liquid. These plants provide gifts like nectar and colour which attract insect and they drown them. So, the correct answer is " leaf ".