Question # 1

Chlorophyll is present in green plastids of plants called ................ .

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Strome

Chloroplast

Grana

Thylakoid

The normal pH of human blood is:

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6.4

7.4

8.4

9.4

Macro polo Sheep is found in:

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Khunjerab National park

Plains

India

Indus Valley

Respiration is a.............. process.

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Constructive

DestructIon

Both

None

Mitosis help i the .................. .

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Growth

Regenration

Cell replacement

All of the above

Males with two Y chromosomes have more .................. tendensies.

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Citizenship

Criminal

Good

None

Find the correct statement.

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Homologous chromosomes form pairs during mitosis

Chromosomes do not duplicate in the interphase preceding meiosis-I

Homologous chromosomes form pairs during mitosis but not mitosis

Spindles are not required during meiosis

The Klinefelter's syndrome males have an extra .................... .chromosomes.

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Sex

Autosome

Both 1 & b

None

Cells of _______________. tissues are flattened and irregular in shape.

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Epidermal

Ground

Supporting

Collenchyma

In most plants the food is transported in the form of:

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Glucose

Sucrose

Starch

Proteins

When we work hard we suffer form muscle fatigue muscle cells.

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Carry out aerobic respiration and so accumulate more CO₂

Carry out anaerobic respiration and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so are tired

The study of the ralationship between orgaisms and their environment called:

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Biology

Microbiology

Ecology

Genetics

The organ of excetory system which makes urine after filtration of blood:

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glands

liver

lungs

kidney

The position of gene on chromosome is known as:

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Locus

Allele

Genotype

Genome

Many diploid oogonia are present in :

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Follicles

Sperms

Spermatids

Scrottum

A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called.

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Symbiosis

Competition

Predation

Mutualism

The outermost part of flower is called:

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Androecium

Corolla

Calyx

Gynoecium

Which one is used to dissolve blood clots?

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Urokinase

Interferons

Thymosin

Vaccine

the depression near the centre of concave area of kidney is called.

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Cortex

Hilus

Medulla

Pyramids

The genotype of wrinkled green seeds was:

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RRyy

RyYr

RRYY

rryy

The muscles of ribs are called;

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Smooth muscles

Cardiac muscles

Intercoastal muscles

Coastal muscles

In ecosystem the role of decomposers is played by

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animals

plants

bacteria and fungi

algae

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