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Biology Mcqs

Guard cells of stoma are ________ ?

  • (A)  Irregular in shape
  • (B)  Convex in shape
  • (C)  Long and cylindrical in shape
  • (D)  Kidney-shaped
Submitted By :Ali Uppal


Circular disc shaped structure with a round hole is ___________ ?

  • (A)  Iris
  • (B)  Pupil
  • (C)  Horoid coat
  • (D)  Ciliary body
Submitted By :Ali Uppal


The first ever vascular plants are_________?

  • (A)  Cooksonia 
  • (B)  Selaginella
  • (C)  Adiantum
  • (D)  Dryopteris
Submitted By :Ali Uppal


Which one of the following is referred as the species occupation?

  • (A)  Autecology
  • (B)  Niche
  • (C)  Ecosystem
  • (D)  Biome
Submitted By :Ali Uppal


All chromosomes other than ‘sex’ chromosome are called __________ ?

  • (A)  Autosomes
  • (B)  Acentric chromosomes
  • (C)  Metacentric Chromosomes
  • (D)  Telocentric chromosomes
Submitted By :Ali Uppal


Membrane that separates ‘cytoplasm’ and ‘nucleus’ is called ___________ ?

  • (A)   Cell wall
  • (B)  Cell membrane
  • (C)  Boundary
  • (D)  Nuclear envelop
Submitted By :Ali Uppal


Division of nucleus is termed as___________ ?

  • (A)  Karyokinesis
  • (B)  Cytokinesis
  • (C)  Anaphase
  • (D)  Meiosis
Submitted By :Ali Uppal


Length of membranous urethra is about ___________ ?

  • (A)  1 cm
  • (B)  2 cm
  • (C)  5 cm
  • (D)  9 cm
Submitted By :Ali Uppal


Joints between flat bones of skull are termed as ____________ ?

  • (A)  Suture
  • (B)  Sutural joints
  • (C)  Syndesmosis
  • (D)  Both A and B
Submitted By :Ali Uppal


Another name for liver is called ___________ ?

  • (A)  Hepar
  • (B)  Hepta
  • (C)  Heptum
  • (D)  Hilum
Submitted By :Ali Uppal