Which one of the following cell organelles does not contain DNA?
Options
(a) nucleus (b) endoplasmic reticulum (c) mitochondria (d) chloroplasts
Correct Answer:
endoplasmic reticulum
Explanation:
No explanation available. Be the first to […]
Which one of the following is a single membrane structure?
Options
(a) lysosomes (b) chloroplast (c) mitochondria (d) nucleus
Correct Answer:
lysosomes
Explanation:
A lysosome is a tiny sac bounded by a single unit […]
Which one of the following is an exception to cell theory?
Options
(a) fungi (b) blue green algae (c) virus (d) bacteria
Correct Answer:
virus
Explanation:
No explanation available. Be the first to […]
Which one of the following organelles is involved increasing of plasma membrane?
Options
(a) Golgi complex (b) leucoplast (c) chromoplast (d) microbodies
Correct Answer:
Golgi complex
Explanation:
No explanation available. Be the first […]
Which one of the following organelles is mainly responsible for aerobic respiration and ATP synthesis?
Options
(a) polyribosome (b) chloroplast (c) Golgi body (d) mitochondria
Correct Answer:
mitochondria
Explanation:
No explanation available. Be […]
Which one of the following organelles is responsible for storage, packaging and expulsions of cellular secretions?
Options
(a) nucleus (b) endoplasmic reticulum (c) Golgi body (d) leucoplast
Correct Answer:
Golgi body
Explanation:
No […]
Which pair of structure are usually found in both plant and animal cells?
Options
(a) nucleus and cell wall (b) nucleolus and chloroplast (c) cell membrane and cell wall (d) cell membrane and […]
Which phase comes in between the G₁ and G₂ phase of the cell cycle?
Options
(a) M phase (b) G₀ phase (c) S phase (d) interphase
Correct Answer:
S phase
Explanation:
No explanation […]
Which statement is not true about prokaryotes?
Options
(a) DNA is completed with histones (b) Well-developed nucleus is absent (c) Mesosome is present (d) Mitochondria is absent
Correct Answer:
DNA is completed with […]
Which structures perform the function of mitochondria in bacteria?
Options
(a) Nucleoid (b) ribosomes (c) Cell wall (d) Mesosomes
Correct Answer:
Mesosomes
Explanation:
In some bacteria (e.g., Bacillus subtilis) the plasma membrane form certain […]
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