Biology MCQs

Biology MCQs for MDCAT/ MCAT and Test Preparation


191. Which of the following occur in the presence of free oxygen?

(a) Aerobic

(b) Anaerobic

(c) Both of these

(d) None of these


192. Which of the following occur in the absence of oxygen?

(a) Anaerobic

(b) Aerobic

(c) Both of these

(d) None of these


193. ETC stands for?

(a) Electron transportation chain

(b) Electron chain for transportation

(c) Electron transport chain

(d) Electron chin of transport


194. Which of the following take place in the cytoplasm?

(a) Aerobic respiration

(b) Both of these

(c) Anaerobic respiration

(d) None of these


195. Which of the following is an anabolic process?

(a) Photosynthesis

(b) Both of these

(c) Respiration

(d) None of these


196. Which of the subsequent processes is catabolic?

(a) Photosynthesis

(b) Both of these

(c) Respiration

(d) None of these


197. C02 is almost percent in air?

(a) 0.03

(b) 0.04

(c) 0.05

(d) 0.06


198. The site of the cell for the dark reaction is?

(a) Mitochondria

(b) Granum of chloroplast

(b) Ribosome

(d) Stromal of chloroplast


199. The organisms responsible for trapping light energy are?

(a) Plants

(b) Photosynthetic organisms

(b) Algae

(d) Fungi


200. Photosynthesis takes place in?

(a) Mesophyll cells

(b) Phloem cells

(c) Guard cells

(d) all of these


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