Question (1): The approximate number of cells in a normal human body is ____.
|
| 1. |
10
|
| 2. |
100
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| 3. |
1014
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| 4. |
10144
|
|
| Ans: 3 |
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Question (2): Tick the wrong choice: Plasma or cell membrane is ____.
|
| 1. |
outer covering of each cell
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| 2. |
made of lipids and proteins
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| 3. |
superheated gases
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| 4. |
a mechanical barrier for the protection of inner cell contents
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|
| Ans: 3 |
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Question (3): Mitochondria are also called _____.
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| 1. |
suicide bags
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| 2. |
digestive bags
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| 3. |
protein synthesizers
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| 4. |
power house of the cell
|
|
| Ans: 4 |
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Question (4): ATP stands for _____.
|
| 1. |
Adenosine triphosphate
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| 2. |
Adenosine diphosphate
|
| 3. |
Advanced tactical plane
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| 4. |
Adenosine terphosphorus
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|
| Ans: 1 |
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Question (5): The correct order of the phases in mitosis are ____.
|
| 1. |
prophase, telophase, metaphase, anaphase
|
| 2. |
prophase, metaphase, anaphase, telophase
|
| 3. |
telophase, anaphase, metaphase, prophase
|
| 4. |
metaphase, telophase, anaphase, prophase
|
|
| Ans: 2 |
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Question (6): The resting or non-dividing stage between two successive mitotic divisions is called ____.
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| 1. |
metaphase
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| 2. |
telophase
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| 3. |
interphase
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| 4. |
prophase
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|
| Ans: 3 |
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Question (7): Centrosomes are present in _____.
|
| 1. |
animal cells only
|
| 2. |
plant cells only
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| 3. |
in both plant cells and animal cells
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| 4. |
in neither plant cells nor animal cells
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|
| Ans: 1 |
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Question (8): Vacuoles (in plant cells) _____.
|
| 1. |
produce energy for the cell
|
| 2. |
synthesize proteins
|
| 3. |
defend the cell
|
| 4. |
provide turgidity and rigidity to plant cells
|
|
| Ans: 4 |
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Question (9): Organelle not present in animal cells is _____.
|
| 1. |
plastid
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| 2. |
centrosome
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| 3. |
nucleus
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| 4. |
mitochondria
|
|
| Ans: 1 |
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Question (10): The “secretory organelle” of the cell is also called ____.
|
| 1. |
ribosome
|
| 2. |
golgi apparatus
|
| 3. |
peroxisomes
|
| 4. |
centrosomes
|
|
| Ans: 2 |
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Question (11): The power house of a cell is ____.
|
| 1. |
chloroplast
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| 2. |
mitochondrion
|
| 3. |
nucleolus
|
| 4. |
vacuole
|
|
| Ans: 2 |
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Question (12): The 'Scavengers' or 'Digestive bags' of a cell are ____.
|
| 1. |
chromosomes
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| 2. |
centrosomes
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| 3. |
lysosomes
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| 4. |
ribosomes
|
|
| Ans: 3 |
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Question (13): The site of oxidation in a cell is the _____.
|
| 1. |
mitochondrion
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| 2. |
endoplasmic reticulum
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| 3. |
golgi apparatus
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| 4. |
ribosome
|
|
| Ans: 1 |
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Question (14): Lysosomes are reservoirs of ____.
|
| 1. |
fat
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| 2. |
secretory glycoproteins
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| 3. |
RNA
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| 4. |
hydrolytic enzymes
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|
| Ans: 4 |
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Question (15): The network of endoplasmic reticulum is present in the ____.
|
| 1. |
nucleus
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| 2. |
chromosome
|
| 3. |
cytoplasm
|
| 4. |
golgi apparatus
|
|
| Ans: 3 |
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Question (16): Centrioles are associated with ____________.
|
| 1. |
digestion
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| 2. |
respiration
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| 3. |
reproduction
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| 4. |
cell division
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|
| Ans: 4 |
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Question (17): A cell has 4 chromosomes. After mitotic cell division the number of chromosomes in the daughter cell would be __________.
|
|
|
| Ans: 2 |
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Question (18): Synapsis occurs during __________.
|
| 1. |
Mitosis
|
| 2. |
Meiosis
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| 3. |
Amitosis
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| 4. |
None of the above
|
|
| Ans: 2 |
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Question (19): Division of cytoplasm is known as ______________.
|
| 1. |
Karyokinesis
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| 2. |
Plasmolysis
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| 3. |
Cytokinesis
|
| 4. |
None of the above
|
|
| Ans: 3 |
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Question (20): The point where crossing over of chromatids takes place is ___.
|
| 1. |
chiasma
|
| 2. |
kinetochore
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| 3. |
centromere
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| 4. |
chromomere
|
|
| Ans: 1 |
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Question (21): The largest animal cell is ____.
|
| 1. |
ostrich egg
|
| 2. |
amoeba
|
| 3. |
red blood corpuscle
|
| 4. |
human sperm
|
|
| Ans: 1 |
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Question (22): The organism that is an exception to the cell theory is ____.
|
| 1. |
virus
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| 2. |
bacteria
|
| 3. |
amoeba
|
| 4. |
paramecium
|
|
| Ans: 1 |
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Question (23): The largest cell in the human body is ___________.
|
| 1. |
nerve cell
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| 2. |
muscle cell
|
| 3. |
liver cell
|
| 4. |
kidney cell
|
|
| Ans: 1 |
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Question (24): Double membrane is absent in ______________.
|
| 1. |
lysosomes
|
| 2. |
chloroplast
|
| 3. |
nucleus
|
| 4. |
mitochondria
|
|
| Ans: 4 |
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Question (25): Organisms lacking nucleus and membrane bound organelle are _________.
|
| 1. |
diploids
|
| 2. |
prokaryotes
|
| 3. |
haploids
|
| 4. |
eukaryotes
|
|
| Ans: 2 |
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