MCQ
Asthama is a respiratory disease caused by
- AInfection of trachea
- BInfection of lungs
- CBleeding into pleural cavity
- ✓Spasm in bronchial muscle
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$\begin{array}{|p{0.3\linewidth}|p{0.6\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline A.\,\,Cytokinin & i.\,\,Stimulates\,\,closure\,\,of\,\,stomata \\ \hline B.\,\,Ethylene & ii.\,\,Increases\,\,stem\,\,length \\ \hline C.\,\,Gibberellin & iii.\,\,Promotes\,\,lateral\,\,shoot\,\,grow \\ \hline D.\,\,Abscisic\,\,acid & iv.\,\,Found\,\,in\,\,large\,\,amount\,\,in\,\,tissues\,\,undergoing\,\,senescence. \\ \hline \end{array}$
$a - b - c - d$
$(i)$ Some members are saprophytes or parasites while a large number of them are decomposers of litter and help in mineral cycling.
$(ii)$ They reproduce only by asexual spores known as conidia.
$(iii)$ Mycelium is septate and branched.
$(iv)$ Alternaria, Colletotrichum and Trichoderma are examples of this class. Which of the following class of fungi is being described by the above statements?