Question # 1

Viruses can be _____________

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Seen

Crystallized

Store

None

The most important and visible part of cell is:

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Cell wall

Cell memebrane

Nucleus

Mitochondria

During S-phase ..................... occurs.

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DNA replication

Protein synthesis

RNA transcription

Enzyme synthesis

Enzymatic reactions are _______ of times faster than uncatalyzed reactions:

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Millions

Hundreds

Thousands

Billion

The bark of ____________ tree was the cure for malaria.

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Deodar

Cendar

Cinchona

None

After processes in oral cavity food is changed into:

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Chyme

Bolus

Undigented & degests food

None of these

Which mosquito spread malaria in birds.

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Anopheles

Culex

Anopheles & Culex

None of these

Minimum energy required to start a chemical reaction is called:

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Potential energy

Chemical energy

Activation energy

All are same

It is a group of related phyla:

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Kingdom

Class

Order

Family

An example of macromolecule is.

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Water

Glucose

Protein

NaCl

Which of these cellular organelles have their own DNA?

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Chloroplast

Nucleus

Mitochondria

All of these

In human body cells the number of chromosomes present are:

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23

46

52

48

A purple flowered pea plant has the genotype PP, which of the following statements about this plant is FALSE.

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Its phenotype will be white flowers .

It has a homozygous dominant genotype.

When bred to a white flowered plant all offspring will be purple flowered.

All the gametes produced will have the same flower colour allele

Ectoparasite is:

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Ascaris

Amoeba

Plasmodium

Leech

Interferons are...................... Proteins.

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Antibacterial

Antiviral

Antifungal

Antidrugs

The male reproductive part if flower is:

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Stigma

Stamen

Ovary

Carpel

The points of attachment of genes on chromosomes are called:

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Transcription

Translation

Loci

Phenotype

Urine is temporarily stored in which of these until it is released from body.

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Kidney

Ureter

Urinary bladder

Urethra

The process in which inherited material transfer from generation to next generation:

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Reproduction

Respiration

Reduction

Circulation

Bacterium (E.coli) which prepares human growth hormones was Synthesized in:

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1980

1910

1970

1977

Study of composition and medical applications of drugs is called.

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Mycology

Biotechnology

Pharmacology

Physiology

The substance used for the treatment, cure, prevention or diagnosis of disease are called.

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Medicinal drugs.

Narcotics

Hallucinogens

Sedatives

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