NAT IM Pre Medical Biology Test Preparation for Pakistani Students

• 
  A
• 
  B
• 
  C
• 
  D

The catalytic activity of enzymes restricted to a small protein of the structure known as

• Inactive site A
• Active site B
• Reactant site C
• Inhibitor site D

The fungal associations with roots of higher plants help______uptake by the plants

• Water A
• Minerals B
• Both a & b C
• None D

The number of naturally occurring chemical elements is

• 126 A
• 86 B
• 92 C
• 206 D

The eukaryotic kingdom arose from

• Prokaryotes A
• Protists B
• Both a and B C
• None D

For maximum growth the optimum temperature is

• 0 - 35^oC A
• 5- 10^oC B
• 25-30^oC C
• 0- 45^oC D

In Pakistan temperate moist conditions are in

• Neelam valley and Shogran A
• Swat and Kalam B
• Murree C
• All above D

Penicillium a fungus has only______pair of chromosomes

• 1 A
• 14 B
• 23 C
• 3 D

Chemically 2ndary cell wall composed of

• Inorganic salts A
• Silica B
• Waxes C
• All of above D

The heart of fish have

• Sinus venosus A
• An atrium & ventricle B
• Bulbs arteriosus or conus arteriosus C
• All of above D

The actual location of place where an organism lives is

• Ecology A
• Habitat B
• Biome C
• None D

Fungi resembles to plants have

• Cell wall A
• Large vacuole B
• Chlorophyll C
• Chloroplast D

Plants that are stimulated to flower by exposure to low temp is called

• Biennial A
• Perennial B
• Vernalization C
• Parthenocarpy 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