391. Which of the following combination is an example of self replicating organelles?
A. Mitochondria Ribosomes
B. Mitochondria Nucleus
C. Mitochondria Chloroplast
D. Mitochondria Vacuole

392. Which of the following is an autosomal disorder______________?
A. Down’s syndrome
B. Klinifelter’s syndrome
C. Turner’s syndrome
D. Jacob’s syndrome

393. The place of centromere where spindle fibres get attached is_________?
A. Kinetochore
B. Kinochore
C. Centromere region
D. all of these

394. Embryonic induction is caused by part developing from_____________?
A. Endoderm
B. Ectoderm
C. Mesoderm
D. Extraembryonic layers

395. Sickle cell anemia is an example of_________________?
A. Chromosomal aberration
B. Insertion of gene
C. Deletion of gene
D. Point mutation

396. The type of plastids which help in pollination is_________?
A. Chromoplasts
B. Leucoplasts
C. Chloroplasts
D. All of these

397. Purines and pyrimidines are in equal ration in DNA. It was indicated by_______________?
A. F.Miescher
B. Chargaff
C. Watson & Crick
D. Harshay & Chase

398. Chlorophyll is a/an _____ molecule?
A. Inorganic
B. Cationic
C. Anionic
D. Organic

399. Ribonucleo-protein particles are the name of__________?
A. DNA
B. Nucleus
C. Eukaryotic ribosomes
D. RNA

400. Lock and Key model was proposed by______________?
A. Emil Fischer
B. Koshland
C. Robin Williams
D. Rudolph Virchow

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