Basic Biology MCQs from 21 to 25

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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

ANSWERS: BASIC BIOLOGY MCQS
21. (A) cuscuta
22. (B) bryophytes
23. (D) chemiosmosis
24. (C) ptyalin
25. (B) proteins