#Question id: 11008
#XL - T Zoology
Which of the following events is associated with the first heart sound?
#Question id: 11009
#XL - T Zoology
What is the normal total delay of the cardiac impulse in the A-V node plus bundle?
#Question id: 11010
#XL - T Zoology
Which of the following best explains how sympathetic stimulation affects the heart?
#Question id: 11047
#XL - R Botany
As plants absorb water from the soil, they deplete the soil of water near the surface of the roots, This depletion due to
#Question id: 11048
#XL - R Botany
In vascular plants, phloem is the living tissue that transports the soluble organic compound made during photosynthesis in the form of sugar, The phloem tissue is made up of cells called phloem elements. Which of the following given phloem elements are directly involved in translocation?
#Question id: 11049
#XL - R Botany
Match the CORRECT combination of the phloem elements with its function.
| PHLOEM ELEMENTS | FUNCTIONS |
| P) sieve tube elements | i) for protection and strengthening of the tissue |
| Q) sieve cells | ii) store and release food molecules |
| R) companion cells | iii) food translocation in angiosperm |
| S) Phloem parenchyma cells | iv) latex containing cells |
| T) Phloem fibers and sclereids | v) help in flow of solute and show |
| U) laticifers | vi) food translocation on gymnosperm |
