Question # 1

Some dominant trees of temperate deciduous forests are

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Taxus baccata

Pinus wallichiana

Berberis lyceum

Both a,b and c

Each tRNA has a sequence of three bases called anticodon which is complementary to codon of

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rRNA

tRNA

mRNA

snRNA

Poly hydroxy butyrate is called.

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Antithrombin III

Nutra Sweet

Biodegradable plastic

Luciferin

The structure in human brain which control hunger is

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Amygdala

Hippocampus

Hypothalamus

Thalamus

Fresh water flatworms excrete

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Very dilute urine

Very concentrated urine

Slightly concentrated

Moderately concentrated urine

The number of chromosomes in frog is

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52

26

13

7

Which animal moves by Jet propulsion

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Earth worm

Star fish

Jelly fish

Snail

In 1953 Watson and Crick proposed structure of the

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RNA molecule

ATP molecule

DNA molecule

NAD molecule

With in the ovary , progestetrone is produced by the:

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Corpus albicans

Corpus Luteum

Tertairy follicles

Primary follicles

Human lungs are spongy due to the presence of million of:

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Bronchi

Alveoli

Bronchioles

Trachea

In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the :

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Top

Bottom

Intermediate

Top & intermediate

Biorhythms are called circadian which means about one day so they are also called

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Diurnal pace

Diurnal cadence

Diurnal rhythms

Diurnal tempo

Which one of the following is an endotherm

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Humming Bird

Birds

Bat

Reptiles

The structure which respond are called.

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Effectors

Nerves

Receptors

Sense organs

Flame cells are poart of excretory sytstem of

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Hydra

Cockroach

Planaria

Earth worm

Bilirubin damages brain cells and turn the skin and whites of eyes yellow, condition is known as.

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Hepatitis

Leukamia

Jaundice

Botulism

In terrestrial plants major mechanical stress is imposed by.

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Gravity

Temperature

Wind

Soil

Book "The origin of species" was written by.

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Linnaeus

Darwin

Wallace

Lamark

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