GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 097

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 097

 

961). Consider the following statements :
I.The DNA controls all the activities of the cell
ll. It transfers the hereditary characters from one generation to the next.
lll. lt controls protein synthesis
IV. It produces RNA.
Of the statements :
A). I alone is correct
B). l and Il are correct
C). l, ll and III are correct
D). All are correct

Answer: All are correct


   
962). Which one of the following statements is wrong about meiosis?
A). it brings about genetic variations
B). reduction in the number of chromosomes in the gametes
C). it maintains the number of chromosomes in an organism
D). it happens in the meristematic region

Answer: it happens in the meristematic region


   
963). Penicillium is
l. afungus
ll. a green mould
III. a bacterium
IV. a medicine.
Of the statements :
A). I alone is correct
B). l and II are correct
C). I,II and IV are correct
D). All are correct

Answer: l and II are correct

   
964). Consider the following statements :
Assertion (A) : Fungi take up food from the substratum Reason
(R) : They excrete digestive enzymes into the substratum.
Of the statements :
A). Both (A) and (R) are true, and (R) correct explanation of (A)
B). Both (A) and (R) are true, but (R) the correct explanation of (A)
C). (A) is true, but (R) is false
D). (A) is false, but (R) is true

Answer: Both (A) and (R) are true, and (R) correct explanation of (A)


   
965). Which one of the following plants is used in the treatment of Jaundice?
A). Hibiscus
B). Musa
C). Eclipta
D). Crotolaria

Answer: Eclipta


966). Which of the following is wrongly matched?
A). Rhizobium - Symbiotic nitrogen fixation
B). Streptococcus lactis - Vinegar production
C). Azotobacter - Non symbiotic nitrogen fixation
D). Yeast - Fermentation

Answer: Streptococcus lactis - Vinegar production


   
967). The smallest angiosperm is
A). utricularia
B). wolfia
C). arabidopsis
D). ceratophyllum

Answer: wolfia


   
968). Identify the correct sequence of the following.
A). Electron transport, ATP synthesis, Glycolysis, Krebs'cycle
B). Krebs'cycle, Glycolysis, ATP synthesis, Electron . transport
C). Glycolysis, Krebs'cycle, Electron transport, ATP synthesis
D). ATP synthesis, Glycolysis, Krebs' cycle, Electron transport

Answer: Glycolysis, Krebs'cycle, Electron transport, ATP synthesis


   
969). Which one of the following is correctly matched?
A). Mitochondrion - Photophosphorylation
B). Ribosomes - Protein synthesis
C). Yeast - Aerobic fungus
D). Ferredoxin - Catalyst

Answer: Ribosomes - Protein synthesis

   
970). The stiffness of paddy straw is due to
A). hard fibres
B). stone cells
C). collenchyma
D). silica

Answer: hard fibres