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Biology Life Science Test Easy Mode MCQs With Answers
Question # 1
_____________ modified the Whittaker system.
Choose an answer
Aristotle
Margulies
Sachwartz
Both a and b
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Question # 2
In adult human, the esophagus is about _____________ long.
Choose an answer
25 cm
25 mm
25 m
25 ft
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Question # 3
Each centriole contains .................. triplets of microtubules.
Choose an answer
Five
Seven
Nine
Eleven
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Question # 4
Histology is scientific study of
Choose an answer
Organs
Cellss
Muscles
Tissues
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Question # 5
If you observe cell like this one, what phase of mitosis is it?
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Anaphase
Telophase
Metaphase
Prophase
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Question # 6
Stomata close when guard cells:
Choose an answer
Loss water
Gain chloride ions
Become turgid
Grain potassium ions
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Question # 7
Which enzyme breaks the peptide bods:
Choose an answer
Amylase
Protease
Lipase
None
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Question # 8
The process of mitaosis ensures that:
Choose an answer
Each new cell is genetically different form its parent
Each new cell receives the proper number of chromosomes
Cells which divide at the appropriate tme
Chromosomes replicate without errors
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Question # 9
The 6-carbon compounds during the dark reactions of photosynthesis split into ____________ carbon compound.
Choose an answer
5
3
7
4
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Question # 10
Basic unit of classification is:
Choose an answer
Genus
Order
Family
Species
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Question # 11
There is separation of oxygenated and deoxygenated blood in birds and mammals because:
Choose an answer
The ventricles are completely divided
The ventral aorta is divided into aortic and pulmonary trunk.
The aortic arch is divided into two systemic arches.
None of the above
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Question # 12
In biotechnology, the production of a product by the mass culture of microorganisms is called.
Choose an answer
Fermentation
Mutation
Fermenter
Fertilization
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Question # 13
Which is the correct order for the path taken by urine after it leaves the kidneys?
Choose an answer
Urethra, bladder, ureters
Bladder, ureters, urethra
Ureters, bladder , urethra
Bladder, urethra, urelers
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Question # 14
The substance used for the treatment, cure, preventiion or diagnosis of disease are clalled;
Choose an answer
Medicinal drugs
Narcotics
Hallucinogens
Sedatives
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Question # 15
An organism has two different alleles for a single trait its genotype is said to be.
Choose an answer
Homozygous
Heterozygous
Holozygous D
Hemizygous
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Question # 16
Which of the following statement regarding genes is FALSE.
Choose an answer
Genes are located on chromosomes
Genes consist of a long sequence of DNA
A gen contains information for the production of a protein
Each cell contain a single copy of every gene.
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Question # 17
Chromosomes carry units of inheritance called as:
Choose an answer
Chromatin
DNA
Genes
None of these
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Question # 18
In our body skeleton works very closely with the _________ system.
Choose an answer
Muscular
Nervous
Endocrine
All of these
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Question # 19
The muscles of ribs are called;
Choose an answer
Smooth muscles
Cardiac muscles
Intercoastal muscles
Coastal muscles
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Question # 20
Which diisease is caused by Streptococcus pneumoniae:
Choose an answer
Bronchites
Emphysema
Pneumonia
Asthema
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Question # 21
DNA is surronded by a protein and form a structure called:
Choose an answer
Nucleotide
Nucleoside
Nucleosome
Nucleus
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Question # 22
What is true about vaccines?
Choose an answer
protect against the future viral and bacterial infections
Treat the existing bacterial infections only
Treat existing infections and also protect against infections
Protect against viral infection only
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