Practice Pakistan's most useful MCQs for competitive exams

Yellowish glandular structure which produces progesterone is_____________?

• (A)  Graffian follicle
• (B)  Ovary
• (C)  Corpus luteum
• (D)  Placenta

Answer

Submitted By :Ali Uppal

Secretin inhibits production of__________________?

• (A)  Gastric juice
• (B)  Pancreatic juice
• (C)  Bile
• (D)  All of these

Answer

Submitted By :Ali Uppal

Which of the following is not present in mitochondria?

• (A)  Enzymes
• (B)  Co-enzymes
• (C)  Ribosomes
• (D)  Thylakoids

Answer

Submitted By :Ali Uppal

Far-red light promotes flowering in_______________?

• (A)  Short day plant
• (B)  Long day plant
• (C)  Day neutral plant
• (D)  None of these

Answer

Submitted By :Ali Uppal

Purines and pyrimidines are in equal ration in DNA. It was indicated by_______________?

• (A)  F.Miescher
• (B)  Chargaff
• (C)  Watson & Crick
• (D)  Harshay & Chase

Answer

Submitted By :Ali Uppal

The type of plastids which help in pollination is_________?

• (A)  Chromoplasts
• (B)  Leucoplasts
• (C)  Chloroplasts
• (D)  All of these

Answer

Submitted By :Ali Uppal

Sickle cell anemia is an example of_________________?

• (A)  Chromosomal aberration
• (B)  Insertion of gene
• (C)  Deletion of gene
• (D)  Point mutation

Answer

Submitted By :Ali Uppal

Embryonic induction is caused by part developing from_____________?

• (A)  Endoderm
• (B)  Ectoderm
• (C)  Mesoderm
• (D)  Extraembryonic layers

Answer

Submitted By :Ali Uppal

The place of centromere where spindle fibres get attached is_________?

• (A)  Kinetochore
• (B)  Kinochore
• (C)  Centromere region
• (D)  all of these

Answer

Submitted By :Ali Uppal

Which of the following is an autosomal disorder______________?

• (A)  Down’s syndrome
• (B)  Klinifelter’s syndrome
• (C)  Turner’s syndrome
• (D)  Jacob’s syndrome

Answer

Submitted By :Ali Uppal