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Biology 10th Class English Medium Online Test MCQs With Answers

Question # 1

The maintenance of internal body temperature is called.

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Osmoregulation

Thermoregulation

Excretion

Guttation

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Question # 2

A relationship between species in which both species benefit is called.

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Parasitism

Mutualism

Symbiosis

Commensalism

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Question # 3

Vector DNA and Gene of interest, collectively called.

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Gene

Recombinant Gene

Recombinant DNA

GMO

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Question # 4

Transmission of Characters from parent to offspring is called.

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Inheritance

Mutation

Regeneration

Repreduction

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Question # 5

The only source of energy for all ecosystems of the world is.

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Sun

Moon

Plants

Ocean

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Question # 6

Specific proteins have specific number and sequence of:

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Enzymes

Amino acids

Locus

Allele

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Question # 7

The genotype of wrinkled green seeds was:

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RRyy

RyYr

RRYY

rryy

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Question # 8

The cardiotonic known as digitalis, is obtained from a plant.

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Accacia

Barassica

Mimose

Fox glove

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Question # 9

Resins are removed by plants:

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Conifers

Lady finger

Grasses

Keekar

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Question # 10

All Ecosystem of the world join and makes.

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Biosphere

Heterosphere

Geosphere

Hydrosphere

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Question # 11

When the antibiotics are not effective against viral infections, then it is called.

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Efficiency

Efficacy

Inefficiency

Resistance

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Question # 12

in the life cycle of plants how many generations alternate with each other?

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two

four

five

three

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Question # 13

Find the ball-and -socket joint:

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Joint in the finger bones.

Joint of neck and skull bones.

Joint at elbow

Joint at pelvic girdle and leg bones.

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