Q.46 Which one of the following cell structure is involved in the synthesis of lipids?
A) Endoplasmic Reticulum C) Centriole
B) Golgi Complex D) Mitochondria
Q.47 Ribosomes are tiny organisms, which are involved in the synthesis of:
A) Protein C) Nucleus
B) RNA D) Nuclosome
Q.48 Which organelle is bounded by two membranes?
A) Ribosome C) Lysosome
B) Mitochondria D) Nucleolus
Q.49 At the beginning of nuclear division, the number of microtubule triplets in two pairs of
centrioles that migrate to opposite poles are:
A) 9 C) 108
B) 18 D) 36
Q.50 The disease in which an individual has extra sex chromosome (44 + XXY) is known as:
A) Down’s syndrome C) Klinefelter’s syndrome
B) Tuner’s syndrome D) Jacob’s syndrome