MCQ
Sprain involves:
- AOverstretching of ligament
- BOverstretching of tendon
- CDislodging of bone
- DBoth A and B
Explanation:
A sprain is a stretching or tearing of ligaments which are the tough bands of fibrous tissue that connect two bones together in the joints. The most common causes of sprains are falling, twisting etc. These types of injuries may cause the joint to move out of its normal range of movement that causes the tearing or stretching of the ligament. So, the correct answer is 'Overstretching of ligament'.
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| Column $I$ | Column $II$ |
| ($a$) $G _{1}$ phase | ($i$) Cell grows and organelle duplication |
| ($b$) $S$ phase | ($ii$) $DNA$ replication and chromosome duplication |
| ($c$) $G _{2}$ phase | ($iii$)Cytoplasmic growth |
| ($d$) Metaphase in $M$-phase | ($iv$) Alignment of chromosomes |
$\begin{array}{|p{0.3\linewidth}|p{0.5\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline 1.\,\,Leptotene & p.\,\,Homologous\,\,chromosomes\,\,are\,\,separated \\ \hline 2.\,\,Diakinesis & q.\,\,Nucleolus\,\,reappear \\ \hline 3.\,\,Pachytene & r.\,\,Chromosome\,\,can\,\,observed\,\,in\,\,microscope \\ \hline 4.\,\,Anaphase\,\,-I & s.\,\,Nucleolus\,\,disappear \\ \hline & t.\,\,Crossing\,\,over \\ \hline \end{array}$