Question # 1

Chlorophyll contains

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Sulphur

Nitrogen

Magnesium

Calcium

The percentage by weight of RNA in a bacteria cell is.

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0.25%

2%

3%

6%

Which one is not involved in clotting of blood.

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Platelets

erythrocytes

Basophils

eosinophils

The number and variety of species in a place is called.

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Population

Community

Biodiversity

Diversity

Haem portion of hemoglobin is same to porphyrin ring with a difference of.

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Carbon atom

Hydrogen atom

Iron atom

Oxygen atom

Which of the following vertebrates posses single circuit heart.

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Reptiles

Birds

Mammals

Fishes

The botanical name of egg plants is

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Capsicum annum

Solanum molangena

Atropa bellodone

Datura

The number of oxidation steps during one Krebs. cycle are.

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02

03

04

05

Histoplasmosis caused by spores of fungus is the serious infection of.

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Kidney

skin

Lungs

Heart

In lycopsids, the arrangement of leaves is.

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Spiral

Alternate

Opposite

All above

pH of fresh saliva of human is about

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6

7

8

9

The part of human limbic system.

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Amygdata

Cerebrum

Thalamus

Pons

The removal of sebum on the skin is for

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Nutrition

Excretion

Protection

Thermoregulation

Alzhelimer's disease is

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Physical illness

Mental illness

Ronal illness

Pulmonary illness

Cambium is formed in stage.

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One

Two

Three

Four

Which one of the following is endangered in Pakistan.

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Indian rhino

Indus Dolphin

tiger

Cheer pheasant

Which strand of DNA is transcribed.

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coding strand

Sense strand

Antisense strand

Conservative strand

What are significant happening of meiosis.

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Crossing over

Random assortment of chromosome

Linkage

Crossing over and random assortment of chromosomes

In human beings, the homeostatic thermostat is present in a part of the brain called as.

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Thalamus

Hypothalamus

Hipocampus

Amygdala

In succesion lithoseres takes place on:

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Sand

Water

Forest floor

Bare rocks

The pigment free area that appears at the time of fertilization is called.

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embryo

Gray crescent

Yolk

White cytoplasm

Fruit development without fertilization is

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Dormancy

Climacteric

Parthenocarpy

Parthenogenesis

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