A. Its short thick branched horizontally growing rhizome
B. Fibrous adventituous roots arise from the lower side of rhizome
C. Shows heteromorphic alternation of generation
D. Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures
Related Mcqs:
- Which of the following statement about filicinae a group of tracheophytes is incorrect_________________?
A. They belong to sphenopsida
B. They are seedless and their leaves are called fronds
C. They live in shady and moist areas.
D. They show circinate vernation. - The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is_______________?
A. High specific heat of vaporization
B. High specific heat capacity
C. Its Dipole nature
D. Its liquid state - An increrase in plant girth due to activity of _____________ is called secondary growth?
A. Cork cambium
B. Pith.
C. Vascular cambium.
D. Both a and c - Ozone depletion occurs commonly due to_______________?
A. Carbon dioxide
B. Chlorofluorocarbons
C. UV rays
D. Deforestation - Unlike other algae, diatoms do not readily decay due to___________?
A. Nonliving cells
B. Siliceous wall
C. Mucilaginous wall
D. Water proof cell - Diatoms stay afloat due to___________?
A. Flagella
B. Stored lpids
C. Pseudopodia
D. All of these - Shrinkage of protoplast due to exosmosis of water is__________?
A. imbibition
B. plasmolysis
C. deplasmolysis
D. adhesionSubmitted by: Maryam Aftab
- Detachment of myosin head and actin in rigor mortis occurs due to__________?
A. stored ATP in body
B. hypercalcemia
C. autolysis in body
D. hyperactivity of mitochondriaSubmitted by: Maryam Aftab
- Blood does not coagulate inside the body due to the presence of___________?
A. Haemoglobin
B. Fibrin
C. Heparin
D. PlasmaSubmitted by: Yaseen Nohri
- The DNA fragments have sticky ends due to___________?
A. Endonuclease
B. Unpaired bases
C. Calcium ions
D. Free methylationSubmitted by: Maria Aziz
