Molecular Genetics. — Bio Zoology STD 12 — Question

According to WHO, India is the largest HIV affected country.

Statement (1): The endometrium acts as a transitory endocrine gland secreting
progesterone
Statement (2): Progesterone maintains pregnancy

Tetracycline is a __________
(i) bactericidal antibiotic
(ii) bacteriastatic antibiotic
(iii) narrow spectrum antibiotic
(iv) Broad spectrum antibiotic

Multiple fission occurring in the oocyte of plasmodium is called ___________

Statement 1: Prebiotics are the compounds in food that induce the growth of beneficial microbes
Statement 2: LAB is a probiotic

Match column I with column II

Column I	Column II
a) Cambrian period	i) Age of Reptiles
b) Devoniar period	ii) Age of fishes
c) Cenozoic era	iii) Age of inventebrates
d) Mesozoic era	iv) Age of mammals

Assertion (A): Spleen is a primary lymphoid organ
Reason (R): Primary lymphoid organs trap antigen and destroy them.

Assertion (A): On diagnosis, Ramu is reported to have underdeveloped testis and gynecomastia.
Reason (R): His karyotype reveals XXY condition.

Statement (1): Incomplete combination of fossil fuels release CO
Statement (2): CO is a GHG

The molecular formula for ozone is ________