Important General Biology MCQs - 7

Important General Biology MCQs - 7

1. Which of the followings are considered to be the simplest living organisms with ability to manufacture their own food by photosynthesis
(a) Diatoms
(b) Bacteria
(c) Green plants
(d) Blue-green algae ✓

2. Bryophytes are
(a) Vascular plants
(b) Non-vascular plants ✓
(c) Tracheophytes
(d) Prokaryotes

3. The forests in Pakistan comprising of which one of the following are facing the danger of extinction
(a) Pinus
(b) Cedurs
(c) Junipers ✓
(d) Abies

4. During photosynthesis green plants build up
(a) Carbohydrates ✓
(b) Proteins
(c) Fats
(d) All these

5. Pollens are produced in larger numbers and are light in weight in flowers pollinated by
(a) Wind ✓
(b) Water
(c) Insects
(d) All these

6. Photosynthesis is a bio-chemical process for the transfer of solar energy to
(a) Nitrogen cycle
(b) Hydraulic cycle
(c) Petrological cycle ✓
(d) Food chain cycle

7. Ginger is an example of
(a) Tuber
(b) Rhizome ✓
(c) Bulb
(d) Corm

8. The earliest organisms that appeared on the surface of earth were probably
(a) Autotrophs
(b) Symbionts ✓
(c) Heterotrophs
(d) None of the above

9. Osmosis is a function of which of the following factors?
(a) The number of solute molecules in the solutions on the two sides of the selectively permeable membrane
(b) Pressure
(c) Temperature
(d) All of the above ✓

10. Which of the following plant micronutrients is involved in the electron transport in photosynthesis?
(a) Manganese
(b) Molybdenum
(c) Copper ✓
(d) Zinc

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