Zoology Practice MCQs (Most Important and Expected Questions) Competitive Exams Set 30

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Q. 18 Which one of the following is not a Membrane bound cell organelle:

(a) Mitochondria (b) Endoplasmic Reticulum (c) Ribosome (d) Chloroplast (e) None of these

Answer: E

Q. 19 The enzyme pepsin is present in:

(a) Pancreatic Juice (b) Bile (c) Saliva (d) Gastric Juice (e) None of these

Answer: D

Q. 20 The change in species composition of a community over a long period of time is called:

(a) Food chain (b) Food web (c) Ecological succession (d) Niche (e) None of these

Answer: C

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