GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 169

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 169

1681). Consider the following statements :
Assertion (A) : The primary physiological effects of auxin in plants is to stimulate the 'elongation of cells in shoots'.
Reason (R) : Dormancy of buds can be broken by auxin treatment. Now select your answer according to the coding scheme given below :
A). Both (A) and (R) are true and (R) is the correct explanation of (A)
B). Both (A) and (R) are true, but (R) is not 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) is the correct explanation of (A)


   
1682). Consider the following statements :
Assertion (A) : Green vegetable, soyabean oil, tomatoes etc. are chief sources of vitamin K.
Reason (R) : Vitamin K prevents erosion of the skin in higher animals. Now select your answer according to the coding scheme given below:
A). Both (A) and (R) are true and (R) is the correct explanation of (A)
B). Both (A) and (R) are true, but (R) is not 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) is the correct explanation of (A)


   
1683). The cell responsible for fixing atmospheric nitrogen in blue green algae is
A). Akinetes
B). Heterocysts
C). Aplanospores
D). Parthenospores

Answer: Heterocysts


   
1684). The synthesis of glucose from fat is called
A). Glycolysis
B). T.C.A.
C). Glyconeogenesis
D). Saponicication

Answer: Glyconeogenesis


   
1685). A rough endoplasmic recticulum specially developed in cell engages in
A). nucleotide synthesis
B). protein synthesis
C). lipid synthesis
D). starch synthesis

Answer: protein synthesis



1686). Krebs cycle takes place in
A). chloroplast
B). peroxisomes
C). mitochondria
D). cytoplasm

Answer: mitochondria


   
1687). Lysosome is also known as
A). Suicidal bags
B). Powerhouse of the cell
C). Chondriosome
D). Dictyosome

Answer: Suicidal bags


   
1688). In plants, respiration takes place
A). during day only
B). during night only
C). all the 24 hours
D). at dusk

Answer: all the 24 hours


   
1689). Respiration is a/an __________process
A). anabolic
B). catabolic
C). chemical
D). all of these

Answer: catabolic

   
1690). Anaerobic respiration takes place in
A). Ribosome
B). Nucleus
C). Cytoplasm
D). Vacuole

Answer: Cytoplasm