Question # 1

The number of capsomeres in capsid of adenovirus are.

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152

252

352

452

Anbcylostoma duodenal is biological name of.

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Flatworm

Round worm

Fluke

Tape worm

The mechanism for ATP synthesis is

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Chemosynthesis

Photosynthesis

Chemiosmosis

Phosphorylation

Cloning is a technology for achieving

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Biology aims

Scientific aims

Integrated aims

Eugenic aims

Hemoglobin is a

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Fibrous proteins

Coiled proteins

Globular proteins

double coiled proteins

The first action spectrum was obtained by.

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T.W. Engelmann

Van Neil

Melvin Calvia

Ernst Haeckel

The normally human blood absorbs the amount of oxygen at sea level is about

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200 ml/100 ml of blood

20 ml/100 ml of blood

19.6 ml/100 ml of blood

02 ml/100 ml of blood

In Hydra ectodermal cells get food from endodermal cells by

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Endocytosis

Exocytosis

Both a and b

Diffusion

The causative agent of African sleeping sickness

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Tse Tse fly

Mosquito

Trypanosoma

Trichonymenas

Optimum pH for sucrase is

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2.00

4.50

5.50

7.60

Carbon fixation refers to the initial incorporation of

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Carbon

Oxygen

CO₂

Hydrogen

The diameter of the skeletal muscle fibres is.

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10-80 micro meter

10-100 micro meter

10-120 micro meter

10-135 micro meter

A pair of kidneys, consist of millions of functional units called.

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Nephrons

Dendrons

Neurons

Flatrons

The most concentrated external environment is termed as.

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Hypotonic

Hypertonic

Osmotic

Isotonic

Hatching period of chick is.

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15 days

18 days

21 days

28 days

A natural process in which surface soil is removed by the action of water or wind is

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Corrosion

Attrition

Erosion

Weathering

In which type of ecosystem in the smallest fraction of nutrients present in soil.

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Forest

Savanna

Grass land

Desert

In myelinated neurons, the impulse jumps form node to node and is called.

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Saltatory impulse

synapse

Nerve impulse

synapsis

Opening of flower bud floows.

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Photonasty

epinasty

Haptonasty

Hyponasty

The union of meiotically produced specialized sex cells from each parents produce

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Fertilized egg

Unfertilized egg

Zygote

Both a & c

Karyokinesis involves division of nucleus and cytokinesis refer to

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Division of whole cell

Division of centromere

Division of cytoplasm

Division of cell wall

The random loss of alleles in a population is called:

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Mutation

Selection

Gene flow

Genetic drift

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