NAT IM Pre Medical Biology Test Preparation for Pakistani Students

Charles Darwin observed and collected thousands of specimens of diverse faunas and floras of

• South America A
• Asia B
• Western America C
• Europe D

Enzymes are composed of

• Carbohydrates A
• Lipids B
• Amino acids C
• All of above D

Such ciliates that remain attached to a rock or other surface is called

• Motile A
• Sessile B
• Both a & b C
• None D

Air is polluted due to industrialization and automobiles polluted air does not contain which one of them

• CO A
• Hydrocarbons B
• Oxides of N 8 sulpher C
• CO₂ D

When two contrasting pairs of traits are followed together in the same cross alleles in each pair are inherited or assorted independently into gamete's is Mendel's principal of

• Law of segregation A
• Law of independent assortment B
• Law of dominance C
• Law of unit character D

Fruit development without fertilization and no seed formation is called

• Parthenocarpy A
• Regeneration B
• Gymnosperm C
• Abnormality D

The of life cycle of cell b/w two consecutive divisions is termed as the

• Prophase A
• Inter phase B
• Amaphase C
• Telophase D

The permanent and irreversible increase in size that occurs as an organism mature.

• Embryonic development A
• Growth B
• Aging C
• Just a change D

Branch of biology which deals with structure of organisms the cells and their organelles at molecular level is

• Biotechnology A
• Microbiology B
• Molecular biology C
• Biochemistry D

Water regulation in fresh water ciliates is controlled by special organelle called

• Food vacuole A
• Contractile vacuole B
• Cytoplasm C
• Nucleus D

Which statement about prokaryotic cells is true

• Prokaryotes have a definite nucleus A
• They are modern type of cells B
• Fungi and protista included in prokaryotes C
• Their nuclear material is directly submerged in the cytoplasm D

Respiratory activity which occur in plants during daytime is called

• Photosynthesis A
• Photorespiration B
• Photoperiodism C
• Vernalization D

• 
  A
• 
  B
• 
  C
• 
  D

Which one is not of the four phases of growth of multicellular plants

• Cell division A
• Zone of elongation B
• Maturation C
• Differentiation D