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Quiz 1
Mdcat-past-papers - ETEA - Biology Quiz
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Board: ETEA | Subject: Biology |
1. The statement "the membrane is like a sea of lipids in which proteins are floating" represents:
Gorter & Grendel Model
J F Danielle & Davison Model
Robertson Model
S.J Singer and Nicholson Model
2. #NAME?
Membrane proteins
Membrane glycolipids
Membrane carbohydrates
Membrane cholesterol
3. Plasma membrane is differentially permeable membrane due to the presence of:
Carbohydrates
Proteins
Lipids
Vitamins
4. Which organelle contribute towards steroid production?
Endoplasmic reticulum
Golgi apparatus
Ribosomes
Conversion of mRNA to amino acids
5. Storage diseases are caused by the excessive accumulation of substances within the cell, due to the deficiency of certain enzymes in one of:
Amylase
Lysosomal
Cytosol
Golgi apparatus
6. The lysosomes found in eukaryotes contain:
Hydrolytic enzyme
Oxidative enzyme
Reductive enzyme
Microlitic organelle
7. The colloidal mixture of ions, organic and inorganic salts present in the nucleus is called:
nuclear membrane
nucleoplasm
nucleolus
chromosome
8. The chloroplasts contain:
proteins only
small circular DNA only
ribosomes only
Proteins, ribosomes and small circular DNA
9. Mitochondrion was first seen as granules in:
White blood cells
muscle cells
Red blood cells
liver cells
10. Which is the factory for synthesis of sugars in autotrophic eukaryotes?
Mitochondria
Chloroplast
Ribosome
Amyloplasts
11. Function of nucleolus is to form:
Nuclear envelope
Chromosome
rRNA
Cytoplasm
12. Where are spindle fibers attached on a chromosome during cell division?
Centromere
Nucleolus
Histone proteins
Telomere
13. Chromosome is typically made up from combination of:
DNA and protein
RNA and lipids
DNA and RNA
RNA and proteins
14. Which cytoplasmic organelle make their own proteins?
Chromosomes
Mitochondria
Golgi apparatus
Smooth endoplasmic reticulum
15. The active mass movement of mitochondria in the cytoplasm is due:
Cyclosis
Golgi apparatus
Endoplasmic streaming movement
Transfer RNA
16. Which of the following is a prokaryote?
Protista
E. coli
Ameoba
Fungi
17. If water has high latent heat of vaporization, how this property of water could be helpful to plants and animals:
With release of large amount of water vapors,a small amount of heat loss will take place
No cooling effect with the release of even large amount of water vapors
It will keep their temperature very high
With the release of small amount of water vapors,a great amount of heat loss can take place
18. What is the % of water in 99 bone cells ?
70%
20%
99%
60%
19. How much temperature rise (°C) will be observed, as per definition of specific capacity, if energy is used to raise the temperature of 1gram of a substance?
1°C
2°C
3°C
4°C
20. Which property of water enables it to act as temperature stabilizer in living organisms?
High polarity
being non polar
high specific heat capacity
high heat of vaporization
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