(A) changes in the total population
(B) an increase in number of cells
(C) an increase in the size of an individual organism
(D) an increase in the mass of an individual organism

(A) Mesophile
(B) Mesophile and psychrophile
(C) Psychrophile
(D) Thermophile

(A) phospholipids
(B) teichoic acid
(C) nucleotides
(D) All of the mentioned

(A) DNA polymerase III
(B) RNA polymerase
(C) DNA polymerase I
(D) DNA polymerase II

(A) anaerobic cells
(B) aerobic cells
(C) neither aerobic and anaerobic cells
(D) both aerobic and anaerobic cells

(A) cytoplasmic membrane
(B) cell wall
(C) cytoplasm
(D) mitochondrial membrane

(A) Amphitrichous
(B) Monotrichous
(C) Peritrichous
(D) Lophotrichous

(A) Streptomyces sp.
(B) Treponema pallidum
(C) Spirillum volutans
(D) Corynebacterium diphtheriae

(A) electron beams and magnetic fields
(B) light waves
(C) magnetic fields
(D) electron beams

(A) Shortest wavelength of visible light used
(B) Longest wavelength of visible light used
(C) An objective with minimum numerical aperture
(D) Shortest wavelength of visible light used and an objective with the maximum numerical aperture