Q.36 The most critical phase of mitosis which ensures equal distribution of chromatids in the
daughter cells is
A) Prophase C) Anaphase
B) Metaphase D) Telophase
Q.37 Non-disjunction of 21
st
pair of chromosomes in one of the gamete leads to 47 chromosomes in
one individual. This condition is called
A) Turner’s syndrome C) Down’s syndrome
B) Klinefelter’s syndrome D) Jacob’s syndrome
Q.38 The intake of liquid materials across the cell membrane is
A) Phagocytosis C) Pinocytosis
B) Endocytosis D) Exocytosis
Q.39 Which one of the following is the site of oxidative phosphorylation in mitochondria?
A) Cristae C) Outer membrane
B) Matrix D) Ribosomes
Q.40 Organelle involved in the synthesis of ATP is
A) Ribosome C) Nucleus
B) Mitochondria D) Centriole