Biology MCQs page 3

Biology Quizzes

Biology Multiple Choice Questions (MCQs) Page-3. Find answers to the questions at the bottom of the page.

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21. Which is a parasitic plant
(A) cuscuta
(B) rose
(C) ferns
(D) mosses

22. True roots absent in
(A) ferns
(B) bryophytes
(C) gymnosperms
(D) angiosperms

23. The mechanism for ATP synthesis is
(A) chemosynthesis
(B) photosynthesis
(C) phosphorylation
(D) chemiosmosis

24. Enzyme present in the saliva is
(A) lipase
(B) trypsin
(C) ptyalin
(D) invertase

25. Nitrogen is present in
(A) carbohydrates
(B) proteins
(C) lipids
(D) carbonates

26. The food is ground in the cockroach in
(A) mesenteron
(B) crop
(C) gizzard
(D) intestine

27. Operculum is present in
(A) bony fish
(B) sea fish
(C) cartilaginous fish
(D) none of these

28. In which animal respiratory surface are found in more than one organ
(A) birds
(B) human
(C) fish
(D) frog

29. The heart is enclosed in a membrane called
(A) pleura
(B) pericardium
(C) peritoneum
(D) epithelium

30. From right ventricle blood is pushed into
(A) pulmonary trunk
(B) brain
(C) aorta
(D) body
ANSWERS: BIOLOGY QUIZZES
21. A
22. B
23. D
24. C
25. B
26. C
27. A
28. D
29. B
30. A

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