Question # 1

The causative agent of African sleeping sickness

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Tse Tse fly

Mosquito

Trypanosoma

Trichonymenas

The exchange of gases between the organism and its environment is called.

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Respiration

External respiration

Cellular respiration

Anaerobic respiration

Polytrichum is a

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Hornwort

Moss

Clab moss

Liver worts

Study of social behavior of human is called.

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Anatomy

Physiology

Social biology

Paleontology

Magnesium of chlorophyll is replaced in hemoglobin by.

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Calcium

Iron

Potassium

Phosphorus

Cell wall of Archaebacteria does not contain.

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Chitin

Cutin

Peptidoglycan

Cellulose

The mRNA of the total cell RNA is above

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3-4 %

1-2%

2-4%

3-5%

Rubisco is the most abundant protein in

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Golgi bodies

Chloroplast

Nucleoli

Mitochondria

Pasteur's main achievements are the development of vaccines for diseases

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Cholera, rabies only

Anthrax, rabies only

Anthrax, fowl cholera and rabies

None of the above

The number and variety of species in a place is called.

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Population

Community

Biodiversity

Diversity

The bacteria in which tuft of flagella is present each of two poles are called.

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Atrichous

Lophotrichous

Peritroichous

Amphitrichous

In the double helix of DNA adenine forms two hydrogen bonds with

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Thymine

Guanine

Cytosine

Uracil

The tumours which are of small size and localized are

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Bengin

Malignant

Gentle

Nasty

Some amoeboflagellates ingested cyanobacteria and led to the development of

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Mitochondria

Golgi apparatus

Chloroplasts

Vacuoles

The protection of internal environment from the harms of fluctuation in external environment is termed as.

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Osmoregulation

Excretion

Thermoregulation

Homeostasis

Unspecialized cells, neoblast are always present in body of.

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Salamander

Planaria

Lizard

Newt

Photoperiodism was first studied by garner and allured in.

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1918

1920

1922

1924

An animal that worms itself mainly by absorping from its surroundings is known as:

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Homoiotherm

Ectotherm

Endotherm

None of these

The total aggregate of genes in a population at any one time is called the populations gene

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Puddle

Lake

Pool

Pond

Downs syndrome (Mongolism) occurs in man during which 21^st chromosome falls to segregate resulting gamete with

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20 chromosomes

21 chromosomes

22 chromosomes

24 chromosomes

Interphase can further be divided into

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G₁-phase,S-phase and G₂-phase

G₁-phase,G₂-phase and G₃-phase

S₁-phase,S₂-phase and S₃-phase

S₁-phase,G-phase and S₂-phase

Fertilizations is the process which leads to the union of.

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Individuals

Gametes

Eggs

Sperms

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