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PYQ 1200 Q/A Part - 1
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Kerala PSC General Science Book Study Materials Page 468
Book's First PageMULTIPLE CHOICE QUESTIONS AND ANSWERS : SET – 1 1. Who was the first scientist to use an instrument for biological studies in 1665? (a) Robert Hooke (b) Schwann (c) Schleiden (d) None of the above Ans: (a) 2. The two German scientists who proposed the "cell theory" were (a) Mendel and "Darwin (b) Theodore Schwann and Matthias Schleiden (c) Virchow and Purkinje (d) porter and Palade Ans: (b) 3. Which one of the following cells helps in storing water and food materials? (a) Parenchyma cell (b) Flame cell (c) Nematoblast (d) None of the above Ans: (a) 4. Nucleus was first discovered by (a) Porter (b) Robert Brown (c) Palade (d) None of these Ans: (b) 5. Which of the following organelles is known as the "power House" of the cell? (a) Golgi Bodies (b) Ribosomes (c) Mitochondria (d) None of these Ans: (c) 6. The smallest size of a cell which can be seen directly by the eye is (a) One micron (b) 10 micron (c) 100 micron (d) 1000 micron Ans: (c) 7. The primary energy for living organisms is (a) Solar energy (b) Chemical energy (c) Mitochondria (d) ATP Ans: (a) 8. The cortex of human brain normally consists of (a) five billion, two hundred million cells (b) nine billion, two hundred million cells 467