GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 143

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 143

1421). Match the following :

 

Below codes are given in A B C D order
A). 2 3 1 4
B). 1 4 2 3
C). 3 4 1 2
D). 4 2 1 3

Answer: 3 4 1 2


   
1422). DNA cloning involves following processes.
I. The recombinant plasmid DNA is introduced into bacterial host.
II. The donor DNA and linear plasmid DNA are mixed.
III. Replication takes place.
IV. Transfection takes place.
The correct sequence is
A). I, II, III and IV
B). II, I, III and IV
C). II, I, IV and III
D). IV, I, II and III

Answer: II, I, IV and III


   
1423). Where is the ' Uvula ' in the human body?
A). Nose
B). Ears
C). Mouth
D). Neck

Answer: Mouth


   
1424). Passage of waste product in the renal tubule is an example of
A). diffusion
B). osmosis
C). active transport
D). passive transport

Answer: osmosis

   
1425). Organisms which eat other organisms are called
A). consumers
B). producers
C). decomposers
D). saprophytes

Answer: consumers



1426). Douple helical model of DNA was discovered by _______
A). Watson and Crick
B). James and Meselson
C). Jacob and Monad
D). Wilkins and Levene

Answer: Watson and Crick


   
1427). Consider the following statements :
I. Elisa is a isotopic immunoassay.
II. This is used for the determination of small quantities of proteins and other biological substances.
Of these :
A). (I) and (II) are correct
B). (I) and (II) are wrong
C). (I) is correct, (II) is wrong
D). (I) is wrong, (II) is correct

Answer: (I) and (II) are wrong


   
1428). Balbiani rings are found in
A). sex chromosomes
B). allosomes
C). autosomes
D). polytene chromosomes

Answer: autosomes


   
1429). What is the respiratory pigment found in human RBC?
A). Haemoglobin
B). Hemerythrin
C). Haemocyanin
D). Chlorocruorin

Answer: Haemoglobin

   
1430). Which among the following is a set of

primary nutrients?
A). Urea, Borax
B). Epsom salt, Urea
C). NH3, KCl
D). S-ammonium molybdate

Answer: Urea, Borax