Q. No.Proteins that are to be used outside the cell are synthesized:
1.
in the mitochondria
2.
on the rough endoplasmic reticulum
3.
on the smooth endoplasmic reticulum
4.
on free ribosomes
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 |
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
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
1. Lysosome
2. Ribosome
3. Chloroplast
4. Mitochondrion
Select the mismatch.
| 1. | Gas vacuoles — Green bacteria Cells |
| 2. | Large central vacuoles — Animal cells |
| 3. | Protists — Eukaryotes |
| 4. | Methanogens — Prokaryotes |
Microtubules are the constituents of
| 1. | spindle fibres, centrioles and cilia |
| 2. | centrioles, spindle fibres and chromatin |
| 3. | centrosome, nucleosome and centrioles |
| 4. | cilia, flagella and peroxisomes |
Mitochondria and chloroplast are
| I: | semi-autonomous organelles. |
| II: | formed by division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery. |
| 1. | Il is true but I is false |
| 2. | I is true but ll is false |
| 3. | Both I and I are false |
| 4. | Both I and II are correct |
A complex of ribosomes attached to a single strand of RNA is known as
1. polymer
2. polypeptide
3. okazaki fragment
4. polysome
Which of the following is not a feature of the plasmids?
1. Circular structure
2. Transferable
3. Single-stranded
4. Independent replication
Water soluble pigments found in plant cell vacuoles are
1. chlorophylls
2. carotenoids
3. anthocyanins
4. xanthophylls
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