Biology MCQ 003

Biology MCQ 003

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

2. The two German scientists who proposed the ‘cell theory’ were

(A) Mendel and Darwin

(B) Theodore Schwann and Matthias Schl-eiden

(C) Virchow and Purkinje

(D) Porter and Palade

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

4. Nucleus was first discovered by

(A) Porter

(B) Robert Brown

(C) Palade

(D) None of these

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

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

7. The primary energy for living organisms is

(A) Solar energy

(B) Chemical energy

(C) Mitochondria

(D) ATP

8. The cortex of human brain normally consists of

(A) five billion, two hundred million cells

(B) nine billion, two hundred million cells

(C) six billion, two hundred million cells

(D) eight billion, two hundred million cells

9. The plant cells are surrounded rigidly by

(A) plasmalemma

(B) cell membrane

(C) cell wall

(D) plasma membrane

Answers

1. A

2. B

3. A

4. B

5. C

6. C

7. A

8. B

9. C

10. A

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