Question # 1

Evolutionary relationships among species are reflected in their

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DNA and proteins

Emigration

Immigration

Inheritance

In the chick the mesodermal cells migrate and caudally from both sides and create a mid line thickening called

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Primitive streak

Excretion

Ultra-streak

Blastoderm

Every 200 nucleotides the DNA duplex is coiled around a core of eight histone proteins forming a complex known as a

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Histomone

Nucleosome

Peroxisome

Glyoxisome

Plantigrade mode of Locomotion is.

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Monkey

Rabbit

Goat

Rodents

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

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Chlorofluorocarbon

Nitrogen

Chlorine

Carbon dioxide

Joints that are held together by short fibers embedded in connective tissue.

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Fibrous joints

synovial joints

Hing joint

Cartilaginous joint

Full cell cycle in yeast cells has length of.

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30 minutes

60 minutes

90 minutes

124 minutes

The causes of green house effect are:

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Over urbanization

Deforestation

Industrialization

All of them

Shifts in water-solute balance are managed primarily by:

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Respratory system

The urinary system

Sweating

The circulatory system

Dialysis cleans the blood either by

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Passing it through an artificial kidney

Filtering it within abdomen

Removing the whole blood from body

Both a&b

Menstrual cycle is called.

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Menopause

emotinal stress

Menstruation

Malnourishment effect of cycle.

Lithosphere includes.

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Air

Water

Gases

Earth soil

In the zone of elongation, the volume of the cells increase upto.

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100 times

150 times

200 times

250 times

Kidney health is described in terms of :

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The number of kidney stones

Rate of filteration

Water retension

Blood clot

Transfer of genetic material from one cell to other that can alter the genetic make up of recipient cell is called.

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Transcription

Replication

Translation

Transformation

Flowering is induced in pineapple by growth hormone called.

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Gibbereiline

Abscisic acid

Ethene

Cytokinins

Number of cervical vertebrae in a male camel

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7

11

15

18

The remodeling of bone is a function of which cells?

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Chondrocytes and asteocytes

Osteoblasts and osteoclasts

Chondroblasts and osteoclasts

Chondroblasts and osteocytes

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