(c) Ribosome
     (d) Golgi apparatus
Ans: (b)
144. Transfer of genetic information from one generation to the other is accomplished by: [NDA 1991]
     (a) DNA
     (b) messenger RNA
     (c) transfer RNA
     (d) Both (b) and (c)
Ans: (c)
145. Which of the following is a physical basis of life?
     (a) Mitochondria
     (b) Ribosome
     (c) Protoplasm
     (d) Nucleus
Ans: (c)
146. In which of the following cell organelles do photo and thermochemical reactions occur in different sites? [NDA 1993]
     (a) Mitochondria
     (b) Chloroplasts
     (c) Ribosomes
     (d) Lysosomes
Ans: (b)
147. Which of the following cell organelles are known as the suicidal bags, since they liberate such enzymes that can cause
     breakdown of the cell? [IES 1992]
     (a) Ribosomes
     (b) Phagocytes
     (c) Lysosomes
     (d) Dictyosome
Ans: (c)
148. Chromosomes are: [Teachers" Exam 1991]
     (a) present only in the nucleus of a cell
     (b) the biggest in number in human cells
     (c) made up of DNA as a main component
     (d) visible in all cells at every time
Ans: (c)
149. Which of the following structures are commonly present in animal cells and not in plant cells? [CDS 1990]
     1) Mitochondria
     2) Lysosomes
     3) Ribosomes
     4) Centrosomes
     (a) 1 and 3
     (b) 2 and 4
     (c) 1, 2 and 3
     (d) 2, 3 and 4
Ans: (b)