Question 17 Which of the following is not a cell? (a) Red Blood Corpuscle (RBC) (b) bacterium (c) spermatozoa (d) virus
Question 1 Which of the following can be made into crystal? (a) A bacterium (b) An amoeba (c) A virus (d) A Sperm
Question 23 Which of the following do not lose their nucleus at maturity? (a) Companion cells (b) Red blood cells (c) Vessel (d) Sieve tube cells