Which part of the stem is responsible for the primary growth of a plant?
Apical meristem
Lateral meristem
Intercalary meristem
Cork cambium
Related Questions
Stems are
Positively phototropic
Negatively geotropic
Negatively hydrotropic
All of the above
I. Bear leaves and branches II. Conduction of water and minerals III. Storage of food These are the functions of
Root
Stem
Leaves
Root cap
Which of the following two are the resultant of stipule modifications? I.Spines in Ziziphus. II.Tendrils in Smilax. III.Tendrils in Nepenthes. IV.Spines in Argemone. V.Thorns in Bougainvellea.
I and III
I and II
II and V
III and V
Parts of the plants were observed. Structure-A develops aerially and produces roots when comes in contact with the soil. Structure-B develops from underground part of the stem, grow obliquely, becomes aerial and produces roots on its lower surface. Identify, respectively the structure of A and B
Sucker, stolon
Stolon, runner
Stolon, sucker
Runner, stolon
Potato and sweet potato
Have edible parts, which are homologous organs
Have edible parts, which are analogous organs
Have been introduced in India from the same place
Are two species of the same genus
Which one of the following is an example for sub-aerial modification of stem?
Agave
Oxalis
Asparagus
Tridax
Which one of the following statements is not correct?
Water, hyacinth, growing in the standing water, drains oxygen from water that leads to the death of fishes.
Offspring produced by the asexual roductin are called clone.
Microscopic, motile asexual reproductive structures are called zoospares.
In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem.
Vascular bundles are arranged in a ring in the members of family
Orchidaceae
Iridaceae
Euphorbiaceae
Liliaceae
In Duranta, the nature of vasculated defensive structures represent the modification of
Axillary bud as in Bougainvillea
Terminal bud as in Carissa
Stipules as in Acacia
Apical bud as in Artabotrys
Lateral branches with short internodes and each nodes bearing a rosette of leaves above and a tuft of roots below is found in aquatic plants like Pistia and Eichhornia. These lateral branches are called
Suckers
Offsets
Stolons
Rhizome
