Biology Chapter 4 Entry test MCQs
101. Which organelle is bounded by two membranes?
a. Mitochondrin
b. Ribosome
c. Nucleolus
d. Lysosome
102. The inner membrane of mitochondria forms extensive infoldings called:
a. Cisternae
b. Cristae
c. Bifidae
d. Lamella
103. Functionally, mesosomes can be compared with:
a. Mitochondria
b. Ribosomes
c. Golgi bodies
d. Polysomes
104. Organelle involved in aerobic respiration:
a. Lysosome
b. Mitochondria
c. Ribosome
d. Plastids
105. Inner membrane of mitochondria is called:
a. Cristae
b. Cisternae
c. Tonoplast
d. Lemma
106. Which organelle is required for aerobic respiration?
a. E.R
b. Plastids
c. Nucleus
d. Mitochondria
107. The finger like infoldings which are formed by inner membrane of mitochondria are called:
a. Porins
b. Matrix
c. Ribosomes
d. Cristae
108. The structure in double-membrane bound organelle, primarily involved in ATP generation through cellular respiration is:
a. Mitochondria
b. F1-particles
c. Ergastoplasm
d. Mitoplast
109. F0-F1 particles is another name for:
a. Cytochrome complex
b. ATP synthase
c. ATP synthetase
d. None of these
110. Nucleolus is visible in:
a. Mitotic phase
b. Interphase
c. Anaphase
d. Metaphase
111. Which of the following organelle have a continuous connection with nuclear membrane?
a. Lysosomes
b. Golgi Apparatus
c. SER
d. RER
112. It precisely describes the function of nucleoli:
a. Formation of centromere
b. Formation and breakdown of nuclear envelope
c. Organization of spindle during nuclear division
d. Formation of ribosomes
113. rRNA is actively synthesized in:
a. Nucleolus
b. Lysosome
c. Ribosomes
d. Nucleoplasm
114. How many nuclear pores are present a typical differentiated cell, such as RBCs?
a. About 30,000 per nucleus
b. About 30,00 per nucleus
c. About 3-4 per nucleus
d. About 1-2 per nucleus
115. Ribosomal RNA is synthesized in:
a. Peroxisome
b. Nucleolus
c. Nucleoplasm
d. Golgi body
116. The structure present in a eukaryotic cell but absent in prokaryotic cells is:
a. DNA
b. Nucleus
c. Cell surface membrane
d. Ribosomes
117. It makes nucleoli during interphase:
a. Centromere
b. Primary constriction
c. Telomeres
d. Secondary constriction
Compare the Structure of Typical Prokaryotic and Eukaryotic Cells
118. Which of the following statement is true?
a. Eukaryotic cells do not have a nucleus, prokaryotic cell do
b. Prokaryotic cells are bigger than eukaryotic cells
c. Eukaryotic cells are simple, prokaryotic cells are complex
d. Prokaryotic cells evolved before eukaryotic cells
119. What is the main difference between prokaryotes and eukaryotes?
a. Prokaryotes have no DNA
b. Prokaryotes cannot undergo cell division
c. Prokaryotes have no eytosol
d. Prokaryotes do not have internal membrunes
120. Prokaryotic and eukaryotic cells generally have which of the following feature in common?
a. Presence of ribosomes
b. A membrane bounded nucleus
c. Linear genome
d. A cell wall made up cellulose
121. The distinguishing feature of prokaryotic cell is its:
a. Cell wall
b. Chemical nature of DNA
c. Cytoplasmic Streaming movement
d. Ribosomes
122. Peptidoglycan or murein is a special or distinctive feature of cell wall in:
a. Fungi
b. Algae
c. Plants
d. Bacteria
123. DNA molecule in prokaryotes is:
a. Linear, double stranded molecule
b. Single, circular, double stranded molecule not bound by membrane
c. Single, circular, double stranded and membrane bound
d. Double, circular molecule