GROUP 2A 2014 PAPER QUESTIONS AND ANSWERS :: 2024 :: part11 : 6 to 10

Following Multiple choice objective type questions and answers will help you as a free online coaching for your TNPSC written exam preparation for 2017. These are useful study materials collected from previous year question papers. :

6.The nitrogenous bases found both in DNA and RNA
I-Adenine and Uracil

II-Thymine and Guanine

III-Uracil and Thymine

IV-Adenine,Guanine and Cytosine

III

7.Consider the following statements and select the correct answer :
Assertion (A):Scelerchyma cells provide mechanical support to the plants

Reason (R):Scelerchyma cells have thin cell walls

Both (A) and (R) are individually true and (R) is the correct explanation of (A)

Both (A) and (R) are individually true but (R) is not a correct explanation of (A)

(A) is true but (R) is false

(A) is false but (R) is true

8.Match the list of radio isotopes with its uses given below and choose the correct answer using the below given codes.
a)Cobalt 60 1)Fertilizer

b)Ag 2)To photograph brain tumour

c)Hg 3)Blood Cancer

d)P 4)Sterilisation

a b c d

2 4 1 3

4 3 2 1

1 2 3 4

1 3 2 4

9.Classify the following elements as Lanthanides and Actinides
1)Samarium(Sm)

2)Uranium(U)

3)Plutonium(Pu)

4)Dysprosium(Dy)

Lanthanides :Samarium,Dysprosium

Actinides :Uranium,Plutonium

Lanthanides :Samarium,Uranium

Actinides :Plutonium,Dysprosium

10.Which district in TamilNadu secures first rank in percapita Income in 2009-10?

Chennai

Tiruvallore