21. Red root is name of:
22. Tiny sacs or bladders are found in:
23. Which would do maximum harm to a tree ? The loss of:
A. Half of its branches
B. All of its leaves
C. Half of its flower
D. Half of its bark
Answer : Option B
24. Smallest dicotyledonous parasitic plant of the world is:
A. Coryadalis nana
B. Primula minutissina
C. Arcethobium minustissimum
D. Marsilea minuta
Answer : Option C
25. Adventitious roots:
A. Develop from radical
B. Develop from flower
C. Develop from embryo
D. Develop from any part of plant body except radical
Answer : Option D
26. The arrangement of leaves on stem is called
27. Stem modified into flattened photosynthetic structure is
28. Nodulated roots occur in:
29. Insectivorous plants catch insects for obtaining:
30. 30. Petiole is modified into tendril in