11. Winged petiole is found in;
12. In one of the following the stem performs the function of storage and propagation:
13. Leaves are attached to the stem at :
14. Phyllotaxy refers to;
A. Arrangement of leaves on stem
B. Folding leaf in the bud
C. (a) & (b) both
D. None of the above
Answer : Option A
15. Plants with jointed stem and hollow internodes are known as :
16. Bulbils take part in :
A. Sexual reproduction
B. Respiration
C. Transpiration
D. Vegetative reproduction
Answer : Option D
18. Turmeric is a stem and not a root because :
A. It stores food material
B. It grows parallel to soil surface
C. It has nodes and internodes
D. It has chlorophyll
Answer : Option C
19. A potato tuber is underground stem because:
A. It has swollen and non-green
B. It possesses axillary buds
C. It possesser starch as stored food.
D. It possess starch as stored food
Answer : Option B
20. Grasses are examples of the following type of stem: