GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 175

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 175

1741). Which unicellular alga was first used for photosynthetic studies?
A). Chlorella vulgaris
B). Chlamydomonas vulgaris
C). Spirulina vulgaris
D). Volwax vulgaris

Answer: Chlamydomonas vulgaris

   
1742). Identify the insectivorous plant(s) 

I. Nepenthes 

II. Drosera 

III. Vanda 

IV. Cuscuta Of these :
A). I alone is correct
B). I and II are correct
C). I, II and Ill are correct
D). All are correct

Answer: I and II are correct


   
1743). Which of the following is/are true for mangrove forest?

I. Presence of Pneumatophore 

II. Viviparous germination 

III. Presence of salt secreting glands 

IV. Presence of aerenchyma in leaves Of these :
A). I alone is correct
B). I and II are correct
C). I, II and III are correct
D). All are correct

Answer: All are correct


   
1744). What are the units of photosynthesis found inside the grana of chloroplasts?
A). Cristae
B). Thylakoids
C). Grana
D). Quantasomes

Answer: Thylakoids


   
1745). If the sequence of bases in one strand of DNA is ATGACTGTC, then the sequence of bases in its complementary strand is
A). TACTGACAG
B). TUCTGUCTA
C). GUAGTAGAC
D). TGACGATGA

Answer: TACTGACAG



1746). The term 'binomial nomenclature' was coined by
A). Aristotle
B). Curier
C). Linnaeus
D). Lamarck

Answer: Linnaeus


   
1747). What is Acetobularia?
A). Single-celled fungus
B). Multi-celled fungus
C). Single-celled alga
D). Multi-celled alga

Answer: Single-celled alga


   
1748). Agrostology is the study of
A). grasses
B). fruits
C). flowers
D). dry fruits

Answer: grasses


   
1749). What is the other name of the dictyosomes of plant cells?
A). Ribosomes
B). Lysosomes
C). Golgi bodies
D). Polysomes

Answer: Golgi bodies


   
1750). Which of the plant groups is called 'Non-Vascular Cryptogams?
A). Pteridophytes
B). Bryophytes
C). Gymnosperms
D). Angiosperms

Answer: Bryophytes