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The first organism of whose genome was completely discovered was

1. Human beings
2. Influenza Virus
3. Hemophilus Influenza
4. None of these

✅ Correct Answer: 3

Which of the following statement is incorrect about RNA?

1. The pentose sugar in it is Ribose.
2. It contains Adenine Guanine Thymine and Cytosine
3. It is present in the nucleoli
4. It may be folded back on itself to give double helical characteristics.

✅ Correct Answer: 2

RNA constitutes _____ % of the total cellular RNA.

1. 3-4 %
2. 10-20%
3. 80%
4. 90%

✅ Correct Answer: 3

There are mainly _______ types of tRNA

1. 170
2. 20
3. 25
4. 15

✅ Correct Answer: 2

Most of the cellular secretions are _____ in nature.

1. Glycolipids
2. Glycoproteins
3. Nucleohistones
4. Proteins

✅ Correct Answer: 2

Which conjegated molecules play important role in gene expression?

1. Glycolipids
2. Glycoproteins
3. Nucleohistones
4. None of these

✅ Correct Answer: 3

The survival of an animal depends upon its ability to take some from its environment

1. Chemicals
2. Hydrocarbons
3. Organic molecules
4. Inorganic molecules

✅ Correct Answer: 3

Interconversion of carbohydrates proteins and lipids in living cells are an example of

1. Coordinated catabolic activities
2. Coordinated anabolic activities
3. Both A and B
4. Any one

✅ Correct Answer: 3

Carbon commonly combines with

1. H
2. N & O
3. P & S
4. All of these

✅ Correct Answer: 4

Non polar organic molecules are _______ in water.

1. Soluble
2. Insoluble
3. Partially soluble
4. Depends upon condition

✅ Correct Answer: 2

In living organisms the lubricant which provides protection against damage resulting from friction is

1. Carbohydrates
2. Fatty acid
3. Water
4. Protein

✅ Correct Answer: 3

In Cx(H2O)y x ranges from

1. 1 to 3 thousand
2. 3 to many thousand
3. 3 to 5 thousand
4. 5 to 9 thousand

✅ Correct Answer: 2

Glycolipids and glycoproteins have structural role in the _____ matrix of animal and bacterial cell

1. Extracellular
2. Intracellular
3. Both of these
4. Glucose

✅ Correct Answer: 1

The trioses which are intermediate in respiration and photosynthesis are

1. Glyceraldehydes
2. Dihydroxy acetone
3. Both of these
4. None of these

✅ Correct Answer: 3

Keto group is represented as

1. CO
2. C-COO-C
3. HCOH
4. HOH

✅ Correct Answer: 1

The monosaccharide found in some bacteria and occurring rarely are

1. Trioses
2. Hexoses
3. Tetroses
4. Pentoses

✅ Correct Answer: 3

How many carbon atoms are required to form a furan ring (ribofuranose)

1. 3
2. 4
3. 5
4. 2

✅ Correct Answer: 2

In esterification OH comes from

1. Organic acid
2. Alcohol
3. Water
4. Sugar

✅ Correct Answer: 2

Triglyceride is also known as

1. Natural lipid
2. Neutral lipid
3. Neutral wax
4. All of these

✅ Correct Answer: 2

Which one is not found in fatty acids in acylglycerols?

1. C-6
2. C-25
3. C-26
4. C-30

✅ Correct Answer: 2

Animals fats are ___________ atroom temperature

1. Liquids
2. Gases
3. Solids
4. None of these

✅ Correct Answer: 3

So far over _____ number of species of animals are known:

1. million
2. 1 million
3. 1
4. 2 million

✅ Correct Answer: 3

Which of the following category is most general with its members lest resembling with each other than the other categries:

1. Species
2. Genus
3. Family
4. Order

✅ Correct Answer: 4

Solanum tuberosum is a scientific name of:

1. Onion
2. Amaltas
3. Potato
4. Tomato

✅ Correct Answer: 3

Allium cepa is the scientific name of :

1. Onion
2. Amaltas
3. Potato
4. Tomato

✅ Correct Answer: 2

Those organisms which can prepare their own food from simple inorganic material and can store energy are called

1. Autotrophs
2. Heterotrophs
3. Procariotique
4. Eu-cariotique

✅ Correct Answer: 1

Which of the Euglenas (a Protoctista) character resembles that of animals:

1. They can move
2. They lack cell wall
3. They do not have chlorophyll
4. Both a and b

✅ Correct Answer: 4

The word which E-Chatton suggested for bacteria and blue green algae was:

1. Autotrophs
2. Heterotrophs
3. Pro-cariotique
4. Eu-cariotique

✅ Correct Answer: 3

Organisms of which of the following kingdom have absorptive mode of nutrition:

1. Prokaryotae
2. Protoctista
3. Animalia
4. Fungi

✅ Correct Answer: 4

Which of the following organisms have Chitin as a major structural component of their cell wall:

1. Prokaryotae
2. Protoctista
3. Plantae
4. Fungi

✅ Correct Answer: 4

Five kingdom classification was proposed by :

1. Carlous Linnaeus
2. E-Chatton
3. Robert Whittaker
4. Lynn Margulis and Karlene Schwartz

✅ Correct Answer: 3

Amoeba belongs to which kingdom:

1. Prokaryotae
2. Plantae
3. Monera
4. Protista

✅ Correct Answer: 4

Kingdom Protoctista includes:

1. Prokaryotic organisms
2. Unicellular organisms
3. Fungi
4. Eu-cariotiquic organisms

✅ Correct Answer: 3

Other name for Kingdom monera is:

1. Protoctista
2. Prokaryotae
3. Archae
4. None of these

✅ Correct Answer: 2

The word virus is derived from Latin word venome meaning

1. Sweet fluid
2. Sore Fluid
3. Poisonous Fluid
4. Salty Fluid

✅ Correct Answer: 3

DNA or RNA of viruses is enclosed in ______ coat:

1. Protein
2. Carbohydrate
3. Lipid
4. DNA

✅ Correct Answer: 1

Vaccine Was discovered by :

1. Louis Pasteur
2. Edward Jennar
3. Ivanowski
4. Stanely

✅ Correct Answer: 2

The name Bacteriophage was coined by:

1. Charles Chamberland
2. Ivanowski
3. Twort
4. D Herelle

✅ Correct Answer: 4

The size of smallest virus is:

1. 10 nm
2. 20 nm
3. 30 nm
4. 40 nm

✅ Correct Answer: 2

The size of poxvirus is:

1. 20 nm
2. 200 nm
3. 250 nm
4. 300 nm

✅ Correct Answer: 3

Viruses are ______ smaller than bacteria

1. 10 - 100 times
2. 10 - 1000 times
3. 100 - 1000 times
4. 1000 - 10000 times

✅ Correct Answer: 2

Which of the statement about viruses is incorrect :

1. We can not grow them in laboratories on artificial medias
2. They are obligate intracellular parasite.
3. They can synthesize their nucleic acid
4. They are resistant to most of antibiotic treatment

✅ Correct Answer: 3

Protein subunits of capsid is called the capsomeres is a characteristic of each virus. Their number in Herpes virus is:

1. 100
2. 152
3. 162
4. 172

✅ Correct Answer: 3

Protein coat the capsid of adenovirus is :

1. Surrounded by genome
2. Surrounding genome
3. Surrounding the envelope
4. Both B and C

✅ Correct Answer: 2

The agent of controversial nature causing mad cow infection is:

1. Bacteria
2. Cowpox Virus
3. Adenovirus
4. Prion

✅ Correct Answer: 4

A virion is :

1. Virus
2. Viral protein
3. Viral lysozyme
4. Viral gene

✅ Correct Answer: 1

An isolated virus is not considered living since it:

1. Separates in to two inner parts
2. Can not metabolize
3. Rapidly looses its Genome chemical inert
4. Is coated with an air tight shield

✅ Correct Answer: 2

Bacteriopahage that infect E. coli are called:

1. M type
2. N type
3. N type
4. S type

✅ Correct Answer: 3

Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves:

1. Strong covalent bond between virion and the receptor site.
2. Week chemical unior between them
3. Both A and B depending upon the phage
4. None of these

✅ Correct Answer: 2

In life cycle of bacteriophage which step occur after attachment of prophage with the receptor site of the bacterial cell wall:

1. Absorption
2. Multiplication
3. Lysogeny
4. Penetration

✅ Correct Answer: 4

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