The underground stem with nodes, internodes and scale leaves are--Required to answer. Single choice.
Tuber
Corm
Rhizome
Bulb
Small bulb like structures that fall and grow into a new plant---Required to answer. Single choice.
Leaf buds
Bulbs
Spores
Bulbills
Answers
Answer:
Complete answer: Bulb is an underground stem that is usually globular in nature containing embryonic plants inside, with small leaves, flowers, stems, and roots. The leaf base of bulbs do not support leaves but contain food reserves to enable the plant to survive in adverse conditions.
Answer:
Adventitious buds
Vegetative buds
Reproductive buds
Radical buds
Answer: 2
Q2. Buds occurring on the nodes outside the leaf bases are
Axillary
Extra-axillary
Terminal
Cauline
Answer: 2
Q3. Axillary buds develop
Endogenously from plerome
Endogenously from pericycle
Exogenously from outer cortex
Exogenously from epidermis
Answer: 3
Q4. Largest bud occurs in
Brussel’s Sprout
Cabbage
Lettuce head
Cauliflower
Answer: 2
Q5. Epiphyllous buds take part in
Growth in length
Photosynthesis
Reproduction
Reduction in transpiration
Answer: 3
Q6. Heads of Lettuce are
Undeveloped
Unopened flowers
Buds
Modified stems
Answer: 3
Q7. Brussel’s Sprouts are
Undeveloped inflorescence
Floral buds
Vegetative buds
Fruits
Answer: 3
Q8. Bulbils occur in
Oxalis
Agave
Lily
All the above
Answer: 4
Q9. Buds that produce lateral brunches develop at
Internodes
Apical meristems
Auxillary meristems
Nodes
Answer: 4
Q10. Buds typically occur at
Leaf bases
Leaf axils
Tips of stems and roots
Tips of branches and leaf branches
Answer: 4
Q11. Monopodial stem is produced due to the activity of
Accessory bud
Lateral bud
Apical bud
Adventitious bud
Answer: 3
Q12. Stem is reduced in
Rhizome
Corm
Bulb
Tuber
Answer: 3
Q13. Reduced stem bears leaves called
Ramal
Radical
Cauline
Phyllodes
Answer: 2
Q14. A weak stem which itself coils around the support is called
Twiner
Scrambler
Liana
None of the above
Answer: 1
Q15. One internode long runner stem of aquatic plants is called
Stolon
Trailer
Offset
None of the above
Answer: 3
Q16. A trailer is that which is rooted at
Only one point
Two points
More than two points
No point
Answer: 1
Q17. The bulb of garlic is
Nontunicated
Tunicated layered
Compound tunicated
Simple tunicated
Answer: 3
Q18. The sensitive thread-like structures found in climbers which can coil around a support are
Twiners
Tendrils
Trailers
Scramblers
Answer: 2
Q19. In Luffa the tendrils are modified
Extra-axillary branches
Stipules
Axillary Branches
Petioles
Answer: 1
Q20. The weak stemmed plants which can climb with the help of thorns, spines, prickles are
Scramblers
Stolons
Straggling
Lianas
Answer: 1
Q21. In Opuntia, each areole represents
A node
An internode
An apical bud
An accessory bud
Answer: 1
Q22. Culm is found in
Asparagus
Bamboo
Cucurbita
Passiflora
Answer: 2
Q23. In a twiner, the twining structure is
Tendril
Spine/thorn
Curved hook
Sensitive stem
Answer: 4
Q24. Potato tuber is an underground stem because it bears
Buds on the nodes
Abundant food reserve
Adventitious roots
No chlorophyll
Answer: 1
Q25. Underground stems are primarily meant for
Vegetative reproduction
Perennation
Protection from strong light
Anaerobic respiration
Answer: 2
Q26. Thorn is a stem structure because it is