Zoology Practice MCQs (Most Important and Expected Questions) NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc. 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