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1171. Which of the following are true about amniocentesis ? 1. It involves taking a sample of the blood of the growing baby inside the womb 2. It is usually conducted around the 16th week of pregnancy 3. It is used to terminate jpregnancey4. Chemical examination of the fluid withdrawn reveals the presence or absence of genetic disorder in the baby
A. 1, 2 and 3
B. 1, 3 and 4
C. 1, 2 and 4
D. 1, 2, 3 and 4
Explanation:
1172. Saliva in man is :
A. acidic
B. alkaline
C. neutral
D. none of these
Explanation:
1173. The total number of bones in human skull are :
A. 8
B. 12
C. 30
D. 32
Explanation:
1174. Which one of the following is true regarding plant cells and animals cells ?
A. Plant cells have a thin lining of a cytoplasm while animal cells are constituted almost entirely of cytoplasm
B. Plant cells contain chloroplast while animal cells do not
C. Animal cells are large while plant cells are usually small
D. Plant cells have nucleus while animal cells do not have it
Explanation:
1175. For transfusion, the ""O"" blood group of a donor can be accepted by a person having blood group :
A. A
B. B
C. AB
D. all of these
Explanation:
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