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CELLS
Unit – II CELLS - BIOLOGY
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Question 1 |
The Power house of the cell is the ……………..
Chloroplast | |
nucleus | |
mitochondrion | |
lysosome |
Question 2 |
The organelle that destroys worn-out cells is the…………..
centrosome | |
vacuole | |
lysosome | |
chromosome |
Question 3 |
The cell division common in gametes.
mitosis | |
amitosis | |
meiosis | |
both mitosis and meiosis |
Question 4 |
Substance taken up in fluid form
Phagocytosis | |
exocytosis | |
recepoter-mediated endocytosis | |
pinocytosis |
Question 5 |
……………… are embedded on the rough endoplasmic reticulum
Ribosomes | |
Lysosomes | |
Centrosomes | |
Mesosomes |
Question 6 |
The plant cell does not have a………………..
cell wall | |
vacuole | |
Centriole | |
Chloroplast |
Question 7 |
……………… is a prokaryote.
amoeba | |
Bacteria | |
Yeast | |
Fungus |
Question 8 |
……………….. are non-living components of the cell
Lysosomes | |
Vacuoles | |
Nuclei | |
Golgi bodies |
Question 9 |
Petals of flowers bear…………..
chloroplastes | |
leucoplasts | |
chromoplates | |
amyloplasts |
Question 10 |
Cells which lack a well organized nucleus.
Plant cells | |
animal cells | |
Prokaryotic cells | |
Eukaryotic cells |
Question 11 |
Cell was discovered by ………………
Robert Hooke | |
Robert Brown | |
Anton Van Leeuwenhoek | |
Robert brown |
Question 12 |
Golgi apparatus is referred to as………….
protein factories | |
dictyosomes | |
suicidal bags | |
power houses |
Question 13 |
Prokaryotes such as bacteria have …………..ribosomes.
80S | |
40S | |
70S | |
60S |
Question 14 |
…………… are colourless plastids.
chromoplasts | |
chloroplasts | |
leucoplasts | |
chlorophyll |
Question 15 |
Lysosomes are called …………..
power houses of the cell | |
suicidal bags | |
dictysomes | |
protein factories |
Question 16 |
Protein factories of the cell are……………
oxysomes | |
centrosomes | |
lysosomes | |
ribosomes |
Question 17 |
Power houses of the cell
glogi complex | |
lysosomes | |
mitochondria | |
ribosomes |
Question 18 |
The centromere lies in the middle of the chromosome and the two arms are equal in length in …………… chromosome.
metacentric | |
submetacentric | |
acrocentric | |
telocentric |
Question 19 |
Match the following
Sl.No | Organelle | Function |
1 | Mitochondria | a) suicidal bags |
2 | Lysosome | b) protein Synthesis |
3 | Ribosome | c) Power House of the cell |
4 | Smooth ER | d) Cell secretion |
5 | Golgi complex | e) Synthesis of hormones and lipids |
1 4 3 2 5 | |
5 1 3 2 4 | |
2 3 1 5 4 | |
4 5 1 3 2 |
Question 20 |
Match the following
- Metacentric a) one arm
- Submetacentic b) rod shaped
- Acrocentric c) V- shaped
- Telocentric d) J – shaped
2 4 1 3 | |
3 1 2 4 | |
4 3 1 2 | |
1 4 3 2 |
Question 21 |
Match the following
4 3 1 2 | |
1 4 3 2 | |
3 4 1 2 | |
3 1 2 4 |
Question 22 |
Assertion (A) : Plasma membrane is semi-permeable.
Reason (R) : Plasma membrane regulates the entry and exit of substance in and out of the cell.
A is correct R is wrong | |
Both A and R are wrong | |
A is correct R explains A | |
R does not explain A |
Question 23 |
- Assertion (A) : Cell wall is present in animal cells
- Reason (R) : Cell organelles are present in the cytoplasm.
A is correct R is wrong | |
A is correct R explains A | |
Both A and R are wrong | |
A is wrong R is correct |
Question 24 |
- Assertion (A) : Acrocentric chromosome has one very short arm and one very long arm.
- Reason (R) : Telocentric chromosome has only one arm
A is correct R is wrong | |
A is wrong R is correct | |
A is correct R does not explain A | |
R explains A |
Question 25 |
- Assertion (A) : Golgi apparatus is involved in the synthesis of lysosomes.
- Reason (R) : Golgi apparatus was discovered by Watson and crick.
A is wrong R is correct | |
R explains A | |
Both A and R are wrong | |
A is correct R is wrong |
Question 26 |
- Assertion (A) : Smooth endoplasmic reticulum is involved in the synthesis of lipids
- Reason (R) : Rough endoplasmic reticulum is involved in the synthesis of proteins
A and R are right | |
R is right A is wrong | |
R explains A | |
A is right R is wrong |
Question 27 |
Synthesis of proteins is the function of ……………. (Rough ER, Smooth ER)
Rough ER |
Question 28 |
…………….. Ribosome is seen in prokaryotic cells
70S | |
80S |
Question 29 |
………… play an important role in respiration
Oxysomes | |
lysosomes |
Question 30 |
………….. provide colour to flowers and fruits
leucoplasts | |
Chromoplates |
Question 31 |
Thymine and cytosine are ………………
Purines | |
pyrimidines |
Question 32 |
The division of nucleus is called ………….
Karyokinesis | |
cytokinesis |
Question 33 |
Spot the odd one and give reason:
Lysosome | |
ribosome | |
chromosome | |
mitochondria |
Question 33 Explanation:
Reason : Chromosome is not a cell organelle like the others.
Question 34 |
Spot the odd one and give reason:
Cisternae | |
Vesicles | |
Vacuoles | |
F1 Particles. |
Question 34 Explanation:
Reason : F1 particles are found in mitochondira but the others are components of golgi body
Question 35 |
Spot the odd one and give reason:
Adenine | |
pentose sugar | |
guanine | |
cytosine |
Question 35 Explanation:
Reason : Prntose sugar is not a nitrogenous base like others.
Question 36 |
Spot the odd one and give reason:
Interphase | |
prophase | |
metaphase | |
Anaphase |
Question 36 Explanation:
Reason : Interphase is the resting stage whereas others are phases of mitosis.
Question 37 |
Spot the odd one and give reason:
Housekeepers | |
scavengers | |
power houses | |
lyosomes |
Question 37 Explanation:
Reason : The power houses are mitochondria whereas housekeepers and scavengers are other names of lysosomes
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