Question # 1

During elongation, the cell volume increase upto.

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50 fold

100 fold

150 fold

200 fold

What are significant happening of meiosis.

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Crossing over

Random assortment of chromosome

Linkage

Crossing over and random assortment of chromosomes

Parathyroid hormone acts to ensure that

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Calcium levels in the blood never drop too low

Sodium levels in urine are constant

Potassium levels in the blood do not escalate

The concentration of water in the blood is sufficient

Anti codes present on

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mRNA

tRNA

rRNA

DNA

During cell division, the nuclear division is called.

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Cytokinesis

Karyokinesis

Plasmolysis

Karyotype

The gene for blue opsin is present on autosome.

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7

11

19

21

DNA was discovered in

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1869

1864

1961

1972

Fresh water flatworms excrete very dilute

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Plasma

Tissue fluid

Fluid

Urine

Sciatica is characterized by stabbing pain radiating over the course of.

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Sciatic artery

Sciatic nerve

Sciatic capillary

Sciatic vein

Diploid parthenogenesis may occur in

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Aphids

Bees

Wasp

Honey bee

The Syndrome which is an example of trisomy of the sex chromosome is

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Turner's syndrome

Down's syndrome

Klinefelter's syndrome

Tay-Sach's syndrome

The tumours which are of small size and localized are

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Bengin

Malignant

Gentle

Nasty

Adult transgenic tobacco plants glowed when sprayed with the substrate.

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Luciferin

Myoglobin

Hemoglobin

Methionine

In non disjunction, chromosome's fail to segregate during.

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Prophase

Metaphase

Anaphase

Telephase

Patient of cystic fibrosis often die due to numerous infections of.

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Digestive tract

Excretory tract

Respiratory tract

Reproductive tract

Neural plate is formed from

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Ectoderm

Endoderm

Mesoderm

Notochord

________ attach bone to bone and are slightly elastic.

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Ligament

Tendon

Cross bridges

Z- line

Causative agent of genital herpes is a.

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Virus

Bacteria

fungi

Protozoan

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