Biology
Development & Ageing
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#17 Sex differentiation in the fetus occurs in the
A) 1st trimester
B) 2nd trimester
C) 3rd trimester
D) Last week
#18 Regular movement of fetus starts in
A) 1st trimester
B) 2nd trimester
C) 3rd trimester
D) Last week
#19 Rubella (German measles) is caused by a
A) Virus
B) Bacterium
C) Protozaon
D) None of these
#20 Congenital hypothyroidism may result in
A) Hepatitis
B) Incomplete development of brain
C) Permanent mental retardation
D) Absence of limbs
#21 Approximately 50% of 1st trimester miscarriages are due to
A) Congenital hypothyroidism
B) Chromosome abnormality
C) Rubella
D) Neural tube defects (NTDs)
#22 Differential growth patterns in an organism refered as
A) Allometric growth
B) Log growth
C) Lag growth
D) None of these
#23 The study of aging is called
A) Ethology
B) Gerontology
C) Embryology
D) Osteopenia
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