Question

(A) Name the following:
1) A modified sweat gland.
2) The formula which. represents the number and kind of teeth in man.
iii) Tangled fibrous mass inside the nucleus.
iv)Tube feet are found in phylum.
v) First Antibiotic is used by.
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Answer 1

Explanation:

NOT SURE BUT

1= sebaceous gland

2=2123/2123 × 2

3= might be nucelus

4= might be echinodermata

5 = first antibiotic was penicillin .

Answer 2

Answer:

( 1 ) - Mammary gland.

( 2 ) - Dental formula.

( 4 ) - echinoderm.

( 3 ) - Chromatin.

( 5 ) - antibiotics' was first used over 30 years later by the Ukrainian-American inventor and microbiologist Selman Waksman, who in his lifetime discovered over 20 antibiotics.