The two types of cellular organelles that transform energy are:

(1) Chromoplasts and Leucoplasts

(2) Mitochondria and Chloroplasts

(3) Mitochondria and Endoplasmic reticulum

(4) Chloroplasts and Golgi apparatus

 

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The arrangement of outer and central microtubules in a cilium is called the:

1. 9 + 1 pattern

2. 9 + 0 pattern

3. Flagellin pattern

4. 9 + 2 pattern

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Which of the following structure is not found in a prokaryotic cell?

(1) Nuclear envelope

(2) Ribosome

(3) Mesosome

(4) Plasma membrane

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Pigment-containing extensions in some cyanobacteria are

(1) heterocysts

(2) basal bodies

(3) pneumatophores

(4) chromatophores

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Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

(a) Bacillus

(b) Pseudomonas

(c) Mycoplasma

(d) Nostoc

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Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?

(a) Lysosome

(b) Ribosome

(c) Chloroplast

(d) Mitochondrion

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Which of the following components provides sticky character to the bacterial cell?

(a) Cell wall

(b) Nuclear membrane

(c) Plasma membrane

(d) Glycocalyx

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Select the mismatch.

1. Gas vacuoles — Green bacteria Cells

2. Large central vacuoles — Animal cells

3. Protists — Eukaryotes

4. Methanogens — Prokaryotes

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Select the wrong statement.

(a) Bacterial cell wall is made up of peptidoglycan

(b) Pili and fimbriae are mainly involved in motility of bacterial cells

(c) Cyanobacteria lack flagellated cells

(d) Mycoplasma is a wall-less microorganism

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A cell organelle containing hydrolytic enzyme is

(a) lysosome                         (b) microsome

(c) ribosome                         (d) mesosome

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