Practice Pakistan's most useful MCQs for competitive exams

In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called______________?

• (A)  Lysis
• (B)  Lysogeny
• (C)  Induction
• (D)  Adsorption

Answer

Submitted By :Ali Uppal

Loss of appetite due to the fear of becoming obese is____________?

• (A)  Anorexia nervosa
• (B)  Bulimia nervosa
• (C)  Piles
• (D)  Dyspepsia

Answer

Submitted By :Ali Uppal

Autotrophic organisms can exist in an exclusively ________________ environment?

• (A)  Organic
• (B)  Inorganic
• (C)  Wet
• (D)  Terrestrial

Answer

Submitted By :Ali Uppal

An illness which largely affects girls usually just after the onset of puberty.

• (A)  Bulimia nervosa
• (B)  Obesity
• (C)  Anorexia nervosa
• (D)  None of these

Answer

Submitted By :Ali Uppal

Puccinia is a parasitic___________?

• (A)  Plant
• (B)  Fungus
• (C)  Animal
• (D)  Algae

Answer

Submitted By :Ali Uppal

Masses of dilated tortuous veins in the anorectal mucosa are known as___________?

• (A)  Bulimia
• (B)  Ulcer
• (C)  Adipose tissue
• (D)  Hemorrhoids

Answer

Submitted By :Ali Uppal

Deficiency of K+ causes_____________?

• (A)  Stunted growth & strong chlorosis
• (B)  No electron transport chains
• (C)  Premature death of leaves
• (D)  Stunted growth of roots

Answer

Submitted By :Ali Uppal

Mastication is carried out by__________?

• (A)  Teeth
• (B)  Tongue
• (C)  Smooth muscles
• (D)  All of these

Answer

Submitted By :Ali Uppal

Deficiency of which of the following causes chlorosis__________________?

• (A)  Nitrogen
• (B)  Magnesium
• (C)  Iron
• (D)  Both A and B

Answer

Submitted By :Ali Uppal

Magnesium is present in which of the following__________________?

• (A)  Cytochromes
• (B)  ATP
• (C)  Chlorophyll
• (D)  Haemoglobin

Answer

Submitted By :Ali Uppal