Question # 1

Which one contains companion cells.

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xylem

Phloem

Cortex

Enclodermis

Which of the following is not a fibrous proein.

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Keratin

Myocin

Fibrin

Mormones

The process of evolution of leaf was completed is more than

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15-16 million year

15-17 million year

15-19 million year

15-20 million year

A sequence of cocci is termed as.

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Diplococcus

saurian

Streptococci

Tetrad

Irreversible inhibitors form which bonds active site.

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Hydrogen bonds

Covalent bonds

Ionic bonds

Hydrophobic bond

Omnis cellula- e Cellula was hypothesized by

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Schleiden

Rudolph Virchow

Lorenz Oken

Louis Pasteur

Embryo-sac in angiosperms in also called

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Sporophyte

male gametophyte

Female gametophyte

None of these

Infectious Hepatitis is caused by.

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HAV

HBV

HCV

HDV

Monosaccharide which are rare in nature and occur in some bacteria is.

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Trioses

Tetroses

Hexoses

Pentoses

A rasping tongue like radula having horny teeth is present in.

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sponges

Molluscs

Coelonterates

Annelids

Which one of the following is and organic molecule

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C₆H₁₂O₆

NO₂

H₂O

H₂SO₄

Person with Huntington's disease have a unique site where a restriction enzyme cuts.

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RNA

DNA

Lipds

Proteins

Immediately after fertilization, the egg undergoes a series

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Morulla

Gastrulation

Cleavage

Blastula

The number of human spinal nerves is:

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24

50

62

64

The cerebrospinal fluid is similar in composition to

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Blood

Blood plasma

Blood serum

Blood proteins

DNA finger prints can also be used as

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Crime evidence

Forensic evidence

Litigation evidence

Offence evidence

Action of the venus fly trap is

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Nyctinasty

Photonasty

Haptonasty

Thermonasty

Hypoblast is mainly presumptive

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Endoderm

Mesoderm

Ectoderm

Blastoderm

German botanist Gottlieb Haberlandi said in 1902 that plant cells are

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Totipotent

Potent

Totipersausive

Totistrong

Nuclear membrane disorganizes at the beginning of

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Prophase 1

Metaphase 1

Anaphase 1

Telophase 1

The union of meiotically produced specialized sex cells from each parents produce

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Fertilized egg

Unfertilized egg

Zygote

Both a & c

The concentrations of cell bodies of neuron are

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Ganglia

Dendrites

Axons

Nodules

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