Morphology Of Flowering Plants

Answer (d) Between sheathing leaf base and leaf blade

Step 1: Understanding runners.
Runners are horizontal stems that grow above the ground and help in vegetative propagation. They develop from the subaerial axillary buds of the stem.
Step 2: Analyzing the options.
(A) underground part of stem: Incorrect, runners typically grow above the ground.
(B) internodes of the stem: Incorrect, internodes are the regions between the nodes but are not directly involved in the formation of runners.
(C) subaerial axillary buds of the stem: Correct, runners originate from the subaerial axillary buds and spread horizontally.
(D) apical meristem: Incorrect, the apical meristem is responsible for vertical growth, not for producing runners.
Step 3: Conclusion.
The correct answer is (C) subaerial axillary buds of the stem.

Neanderthal remains and artifacts have been discovered in various archaeological sites, indicating their distribution and lifestyle: \begin{itemize} \item Lascaux Cave, France: Known for cave paintings, though Neanderthal presence is debated. \item Altamira Cave, Spain: Famous for prehistoric art and possible artifacts. \item Shanidar Cave, Iraq: Contains Neanderthal skeletal remains and evidence of burial practices. \end{itemize} These sites provide insight into the Neanderthal way of life and their evolutionary history. --- Final Answer: