Download App

STD 11 - 7. Structural organisation in animal — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 7. Structural organisation in animal4 Marks
MCQ
Intercalated discs are the communication junctions between the cells of
  • ✓
    cardiac muscles
  • B
    striped muscles
  • C
    adipose tissue
  • D
    nerve and striated muscles
✓

Answer

Correct option: A.
cardiac muscles
a
Cardiac muscles are involuntary, cross striated & non-fatigued fibres. Cell junctions fuse the plasma membranes of cardiac muscle cells and make them stick together. Communication junctions (intercalated discs) at some fusion points allow the cells to contract as a unit, i.e., when one cell receives a signal to contract, its neighbouring cells are also stimulated to contract.

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

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Passive transport occurs in the case of
→
Transport of electrolytes through loop of Henle takes place by
→
In which stage of development the embryonic cells form the germinal layers by the movement
→
Myasthenia gravis is due to
→
The percentage of crossing over will be more if
→
The two auricles are demarcated externally from the ventricle by an irregular groove called
→
Given below are two statements : one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.

Assertion $(A)$:

Osteoporosis is characterised by decreased bone mass and increased chances of fractures.

Reason $(R)$ :

Common cause of osteoporosis is increased levels of estrogen.

In the light of the above statements, choose the most appropriate answer from the options given below:

→
Oxygen can be stored in
→
Ctenophores have similarities with members
→
Statement I: Ciliary movement helps in the swimming of spermatozoa maintenance of water current in the canal system of sponges and in locomotion of protozoans like euglena.
Statement II: Muscle is a specialised tissue of endodermal origin.
→