Download App

MODEL PAPER 3 — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYMODEL PAPER 31 Mark
MCQ
Tyloses are balloon-like ingrowths in vessels developing from:
  • A
    Fibres through the general surface of the vessel wall
  • B
    Fibre through pits on vessels wall
  • C
    Parenchyma through the general surface of the vessel wall
  • D
    Parenchyma through the pits of vessels wall
✓

Answer

(d) Parenchyma through the pits of vessels wall
Explanation: Tyloses are balloon-like ingrowths in vessels developing from parenchyma cells through the pits of the vessel wall of the xylem of secondary heartwood.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from MODEL PAPER 3→MODEL PAPER 3 — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

There are seven cervical vertebrae in almost
→
If all the peptide bonds of protein are broken, then the remaining part is:
→
Which of the following are homosporous
→
A dicotyledenous plant showing parallel venation is
→
Uricotelic mode of passing out nitrogenous wastes is found in
→
Hormones thyroxine, adrenalin and the pigment melanin are formed from:
→
The energy-releasing process in which the substrate is oxidised without an external electron acceptor is called:
→
The generic name of tusk shell is
→
Heartwood differs from sapwood in:
→
Choose the correct statement for Periplaneta americana
→