NAT IM Pre Medical Biology Test Preparation for Pakistani Students

Respiration in plants occurs only

• Day A
• Night B
• Day and night C
• Day & evening D

A programmed series of stages from a simpler of more complex forms is

• Development A
• Growth B
• All above C
• None D

The direct or indirect source for food shelter, clothing,fuel for humans is

• Water A
• Land B
• Air C
• Environment D

During the photosynthetic reactions what are the products

• Water and light A
• Carbon-dioxide & light B
• Glucose and oxygen C
• All of above D

Respiratory activity which occur in plants during daytime is called

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

Plasmid pBR 322 has antibiotic resistance for

• Tetracycline + Ampicillin A
• Penciline B
• Neuomycin C
• Tetracycline + Penciline D

• 
  A
• 
  B
• 
  C
• 
  D

The specialized microtubule structure called mitotic apparatus including

• Aster A
• Spindle B
• Both A and B C
• None D

Which of the following statement about fossils is wrong

• Fossils are the actual remains of organisms A
• Fossils may be traces of organisms that lived in ancient geological times B
• Organisms that are embedded in sand resins or ice can not be considered in fossils C
• Most fossils are found in sedimentary rocks D

Which one is not true about the presence of gases in air

• It consists of 79% N A
• It consists of 20% O₂ B
• It consists of 0.03% CO₂ C
• It consists of 80% inert gases D

Which of the following is small and Localized tumor

• Undividing cells A
• Benign B
• Malignant C
• All of above D

Gaseous exchange through the lungs is called

• Cellular respiration A
• Pulmonary respiration B
• Inhalation C
• Expiration D

Mendel choose a pea plants for genetical purpose because of the 

• Easily cultivation A
• Numerous varieties B
• Generation time is reasonably short C
• All of above D

In Greek the word Karyo means

• Cytoplasm A
• Nucleoli B
• Nucleus C
• Protoplasm D