CSS Past PapersBREveryday Science 2009BR Test - 1

CSS Past PapersBREveryday Science 2009BR Test - 1

1. Person with following blood group are considered to be universal recipient?

a) B Positive
b) A Positive
c) O Positive
d) AB Positive
e) None of these

2. Study of life in outer space is known as?

a) Exobiology
b) Micro biology
c) Neobiology
d) Endobiology
e) Enterobiology

3. The name of the common mineral salt present in sweat is?

a) Potassium Sulphate
b) None of these
c) Sodium Chloride
d) Iron Sulphate
e) Calcium Oxalate

4. Sensitive layer of the eye is?

a) Choriods
b) None of these
c) Sclerotic
d) Retina
e) Cornea

5. Laughing gas has chemical composition of following two elements?

a) Nitrogen+Hydrogen
b) Nitrogen+Oxygen
c) None of these
d) Nitrogen+Carbon
e) Oxygen+Carbon

6. DAbdus Salam of Pakistan was one of the contributors of the unification of?

a) Electromagnetic force and weak nuclear force
b) Weak nuclear force and strong nuclear force
c) Gravitational force and weak nuclear force
d) Electromagnetic force and gravitational force
e) None of these

7. Which triplet in DNA codes for valine?

a) AAT
b) AGU
c) CAT
d) None of these (CAA)
e) CTT

8. What is the chance of diabetic baby born to parents both heterozygous normal?

a) Zero
b) ½
c) ¾
d) None of these
e) ¼

9. Which of the following is not a part of Darwinism?

a) Over production
b) Inheritance for acquired characters
c) None of these
d) Competition for survival
e) Natural selection

10. Role of biotechnology in the production of food based on?

a) Decomposition
b) Digestion
c) Fermentation
d) Respiration

e) None of these

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