Medical Colleges Admission Tests (MCAT) Practice Test

MCAT → Medical Colleges Admission Tests (MCAT) Practice Test

21. Cohesion tension theory is given by
(A) Morgan
(B) Dixon
(C) Robert
(D) Sacks

22. Air sacs in most of the birds are
(A) 6
(B) 11
(C) 9
(D) 12

23. Air spaces in leaf comprises total volume of
(A) 40%
(B) 45%
(C) 50%
(D) 55%

24. In class crustacea of phylum arthropoda sexes are
(A) separate
(B) hermaphrodite
(C) separate and hermaphrodite both
(D) none of them

25. First complete seed appears in
(A) cenozoic era
(B) jurassic era
(C) devonian era
(D) carboniferous era

26. Major cause of chlorosis in plants is shortage of
(A) magnesium
(B) sulphur
(C) nitrogen
(D) iron

27. All are the deformities of skeleton caused by nutritional deficiencies except
(A) osteomalacia
(B) rickets
(C) microcephaly
(D) none of them

28. Colour blindness is
(A) x-linked recessive trait
(B) y-linked recessive
(C) y-linked dominant
(D) x-linked dominant

29. Which of the following is not sex-linked recessive
(A) colour blindness
(B) haemophilia
(C) tfm syndrome
(D) hypophosphatemic ricket

30. Female reproductive cycle is completed in
(A) 27 days
(B) 28 days
(C) 26 days
(D) 29 days

Answers: MCAT Practice Test
21. B
22. C
23. A
24. A
25. C
26. D
27. C
28. A
29. C
30. B