A. Root hairs
B. Root cells
C. Underground stem
D. All of these
Related Mcqs:
- The uptake of water in plants involves__________?
A. Active transport
B. Passive transport
C. Both of these
D. None of these - Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?
A. Transpiration pull
B. Root pressure
C. Ascent of sap.
D. All of these - Symbionts which help plants in uptake of phosphorous and trace metals such as zinc and copper.
A. Bacteria
B. Viruses
C. Fungi
D. Cyanobacteria - Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called___________?
A. Diffusion.
B. Facilitated diffusion.
C. Passive transport.
D. Active transport. - Total number of amino acids in a hemoglobin molecule are__________?
A. 554
B. 564
C. 574
D. 584 - Spores produced by slime molds are__________?
A. Haploid
B. Diploid
C. Triploid
D. None of these - In chlorophytes the main energy stores are__________?
A. Cellulose
B. Starch
C. Glycogen
D. All of these - The organs of locomotion in annelids are__________?
A. Muscles
B. Hydrostatic skeleton
C. Parapodia
D. Setae - Most of the marine invertebrates are__________?
A. Osmoconformers
B. Osmoregulators
C. Both depend upon the concentration of sea water
D. None of these - Nutritionally Viruses are__________?
A. Obligate parasite
B. Autotrophs
C. Heterotrophs
D. Absorptive heterotrophsSubmitted by: Kiran
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