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Part 25

General Science QUESTIONS AND ANSWERS

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General Knowledge : General Science QUESTIONS AND ANSWERS :: part21 : 71 to 75

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :

71.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 Chemical examination of the fluid withdrawn reveals the presence or absence of genetic disorder in the baby

1, 2 and 3

1, 3 and 4

1, 2 and 4

1, 2, 3 and 4

72.Saliva in man is :

acidic

alkaline

neutral

none of these

73.The total number of bones in human skull are :

8

12

30

32

74.Which one of the following is true regarding plant cells and animals cells ?

Plant cells have a thin lining of a cytoplasm while animal cells are constituted almost entirely of cytoplasm

Plant cells contain chloroplast while animal cells do not

Animal cells are large while plant cells are usually small

Plant cells have nucleus while animal cells do not have it

75.For transfusion, the ""O"" blood group of a donor can be accepted by a person having blood group :

A

B

AB

all of these

More General Science QUESTIONS AND ANSWERS available in next pages

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Health is the greatest gift, contentment is the greatest wealth -Buddha

Opportunity is missed by most people because it is dressed in overalls and looks like work.- Thomas Edison

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