PPSC BIOLOGY GRAND TEST Part 4

  1. Who is father of mycology??
    Question grade : 1

61/100
C. Linneous
Heinrich Anton de Bary
Aristotle
None of these

  1. Agar-Agar is obtained from?
    Question grade : 1

62/100
Red algae
Brown algae
Green algae
Blue algae

  1. The diploid number of chromosomes in sugarcane is?
    Question grade : 1

63/100
60
70
80
90

  1. Kernz anatomy exists in?
    Question grade : 1

64/100
C3 Plants
C4 plants
Both a and b
None of these

  1. Wound healing in plants is initiated by?
    Question grade : 1

65/100
Apical meristem
Lateral meristem
Intercalary meristem
Secondary meristem

  1. Bicollateral bundles are found in the stem of?
    Question grade : 1

66/100
Pumpkin
Sunflower
Dracaena
Gram

  1. Casparian strips are found in?
    Question grade : 1

67/100
Epidermis
Endodermis
Exodermis
Pericycle

  1. Plants growing under direct sunlight are known as?
    Question grade : 1

68/100
Heliophytes
Sciophytes
Psamophytes
Dicots

  1. Lincoln index measures?
    Question grade : 1

69/100
Population mortality rate
Population natality rate
Population size
Population density

  1. The ratio between energy flow at different points in a food chain is known as?
    Question grade : 1

70/100
Ecological capacity
Ecological efficiency
Ecological assimilation
Ecological potential

  1. The protein coat of viruses that enclose the genetic material is called _.?
    Question grade : 1

71/100
Virion
Capsid
Peplomers
Capsomers

  1. Which of the following is the largest virus??
    Question grade : 1

72/100
Megavirus chilensis
Arbo virus
Herpes virus
Mumps virus

  1. Cyanobacteria are?
    Question grade : 1

73/100
oxygenic without nitrogenase
non-oxygenic without nitrogenase
oxygenic with nitrogenase
non-oxygenic with nitrogenase

  1. Sexual reproduction is absent in?
    Question grade : 1

74/100
Volvox
Nostoc
Aspergillus
Ulothrix

  1. Heterocyst of Nostoc are?
    Question grade : 1

75/100
intercalary
terminal
both terminal and intercalary
none

  1. Which of the following is an example of Homology and similarity tool??
    Question grade : 1

76/100
BLAST
RasMol
EMBOSS
PROSPECT

  1. In which year did the SWISSPROT protein sequence database begin??
    Question grade : 1

77/100
1988
1985
1986
1987

  1. The human genome contains approximately__________.?
    Question grade : 1

78/100
6 billion base pairs
5 billion base pairs
3 billion base pairs
4 billion base pairs

  1. Which of these is the most advanced phylogenetically among the dicotyledonous families??
    Question grade : 1

79/100
Scrophulariaceae
Acanthaceae
Umbelliferae
Compositae

  1. The substitute for the newly collected specimen when the original type material is missing in a herbarium is entitled as?
    Question grade : 1

80/100
Holotype
Neotype
Lectotype
Isotype

Oplus_0

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