The structure that produces sound in the larynx is the: MCQ with Answer and Explanation

Explanation:
Pertussis (whooping cough) is a respiratory infection characterized by severe coughing fits. Diphtheria is Corynebacterium, tetanus Clostridium, scarlet fever Streptococcus.

Explanation:
The nucleolus is a prominent, non-membrane-bound structure within the nucleus. It is the site of active ribosomal RNA (rRNA) synthesis and the assembly of ribosomal subunits. These subunits then exit the nucleus through nuclear pores to combine in the cytoplasm and form functional ribosomes for protein synthesis.

Explanation:
The anther is the male reproductive part of the flower where microspores develop into pollen grains. After fertilization, the ovary wall matures and develops into the fruit, enclosing the seeds. Self-pollination involves the transfer of pollen to the stigma of the same flower or plant, resulting in offspring genetically identical to the parent, thus decreasing, not increasing, genetic diversity. Thus, statements 1 and 2 are correct.