Question # 1

Dolphin is

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Fish

Bird

Mammals

Amphibian

All have open blood circulatory system except.

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Snail

Calms

Insects

Octopus

The amount of glucose into ATP during an aerobic respiration is.

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1%

2%

3%

4%

The optimum pH of salivary amylase is.

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2.80

4.80

6.80

8.80

Lack of chlorophyll results in

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Diagnosis

Chlorosis

Phosphorus

Symbiosis

The branch of biology which deals with the study of environmental relations of organisms is called.

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Morphology

Histology

Parasitology

Ecology

Asexual reproduction in yeast occurs by.

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Conidia

Fragmentation

Budding

Resting spores

The skeleton of Athropds is made of

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Silica

Chitin

Calcium carbonate

Both a and c

The largest invertebrate animal is.

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dog fish

Glant squid

Octopus

Cuttle fish

Photosynthesis II has the form of chlorophyll a which absorb best light of

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670 nm

680 nm

690 nm

700 nm

A unicellular, non motile a green alga is

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Volvox

Ulva

Chlorella

Kelps

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

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Forest

Savanna

Grass land

Desert

The producers in limnetic zone are

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Amoebae

Cyanobacteria

Crustaceans

Hydrilla

Osteomalacia includes a number of disorders in which bones receive inadequate

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Water

Oxygen

Mineral

Blood

The negative physiological changes in our body are said to be

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Maturation

Childhood

Agning

Displacement

The decline in thickness of the ozone layer is caused by increasing level of

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Chlorofluorocarbon

Nitrogen

Chlorine

Carbon dioxide

The human embryo is referred to as the fetus from beginning of.

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3rd month

3rd week

6th months

6th week

The compound which take part in urea cycle is

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Adenine

Guanine

Citruline

Thymine

Urea is detoxified form of____ in the urea cycle which can be retained in the body.

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Ammonia

Nitrogen

Uric Acid

CO2

In 1953, F . Sanger described the sequence of amino acids of.

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Myoglobin

Insulin

Keratin

Globulin

In tropical and subtropical grassland rain reaches about

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1500 mm

2000 mm

2500 mm

3000 mm

The earliest form of muscles to evolved is.

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Cardiac muscle

skeleton muscle

Smooth muscle

Involuntary muscle

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