Question # 1

The internal hydrostatic pressure in plants is.

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Root

Turgor

Osmotic

Solute

In amoeba movement takes place by means of

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Cilium

Flageilum

Pseudopodium

Myonemes

O blood has neither A or B antigen but it does have

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Anti - A antibodies

Anti - B antibodies

Anti - O antibodies

Both a & b

A plant has a growth pattern called.

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Open growth

Meristem

Growing point

Apical

A callus is an undifferentiated group of

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Cells

Tissues

Organs

Systems

Tube feet are locomotor organs of.

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Jelly fish

Cottle fish

Star fish

Silver fish

The basic difference betweenn spermatogenesis and oogenesis is that :

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During spermatogenesis two more polar bodies are produced

The mature ovum is haploid while the sperm is 1n

Spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only

In oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced

Second meiotic division in oocytes, until fertilization proceeds as far as.

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Prophase

Metaphase

Telophase

Anaphase

Which one of the given is non sense codon.

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AUG

ACU

GAU

UAA

Each muscle fibre contains a large number of myofibrils having a diameter of

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1 - 2 mm

1 - 5 mm

2 - 4 mm

3 - 7 mm

Average loss of blood during birth in human female is about .

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150 cm3

250 cm3

350 cm3

450 cm3

Zoos and botanical gardens are to save species whose extinction is.

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Parmanent

dominant

Imminent

Prominent

Hemodialysis means

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Removing the blood

Cleaning the blood

Storing the blood

diluting the blood

________ attach bone to bone and are slightly elastic.

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Ligament

Tendon

Cross bridges

Z- line

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 tropical and subtropical grassland rain reaches about

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1500 mm

2000 mm

2500 mm

3000 mm

Inheritance of skin colour in man is controlled by eight pairs of genes , which are:

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Linked

Codominent

Multiple alleles

Assorting independently

The sensation of pain is produced by

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Chemoreceptors

Photoreceptors

Nociceptors

Mechanoreceptors

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