UPSC
May 31, 2020
GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 075
GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 075
741). Which of the following acts as a coenzyme?
A). Zn++
B). Lipase
C). Pyridoxin
D). Lvsine
Answer: Zn++
742). The phenotypic ratio of monohybrid cross is
A). 1:1:1:1
B). 1 : 2: 1
C). 3 : 1
D). 1 : 1
Answer: 3 : 1
743). Smallest measuring unit in cytology is
A). micron
B). mm
C). angstrom
D). rem
Answer: angstrom
744). It is believed that live evolved in its early stage under oxygen free condition. Which of the following organisms might have been able to survive in that environment?
A). obligate anaerobic bacteria
B). obligate halophytes
C). lichens
D). thermophilic algae
Answer: obligate anaerobic bacteria
745). Sexual reproduction is absent in which group of fungi mentioned below?
A). Deuteromycetes
B). Basidiomycetes
C). Phycomycetes
D). Ascomycetes
Answer: Deuteromycetes
746). one of the characteristics that differentiates procaryotes from eucaryotes is
A). RNA
B). DNA
C). Protein
D). Membrane - bound organelles
Answer: Membrane - bound organelles
747). The most common method of vegetative reproduction in usnea is
A). fragmentation
B). soredia
C). gemmae
D). homogania
Answer: soredia
748). Which of the fungi mentioned below is employed as a genetic tool?
A). Aspergillus
B). Neurospora
C). Gibberella
D). Penicillium
Answer: Neurospora
749). Heterotrichous habit exhibited by
A). Vaucheria
B). Dictyota
C). Ectocarpus
D). Spirogyra
Answer: Ectocarpus
750). Photosynthesis cannot take place in
A). red light
B). blue light
C). ultraviolet light
D). green light
Answer: ultraviolet light