Question # 1

the percentage of water in human bone cells in

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18%

19%

20%

25%

In earthworm exchange of gases mainly takes place through.

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Gills

Lungs

Skin

Ostla

Double fertilization is a characteristic of.

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Bryophytes

Gymnosperms

Angiosperms

Mosses

Greater pathogenicity to bacteria and protection against phagocytosis is provided by

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Capsule

Slime

Cell wall

Mesosomes

Rubisco reacts with oxygen instead of CO2 during.

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Glycolysis

Respiration

Kreb cycle

Photorespiration

Daily rhythmic opening and closing of stomata is.

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Internal clock

External clock

Both internal and external clock

None of these

Which of the following is not found in all bacteria is

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Cell membrane

A nucleoid

Flygella

None of these

Sweet pea belongs to which family.

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Fabaceae

Solanaceae

Rosaceae

Poaceae

The branch of biology which deals with the study of ancestral history of living organisms is called.

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Paleontology

Genetics

Evolution

Heredity

In five kingdoms system, Eukaryotic multicellular reducers are plaed in kingdom.

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Protista

Animalia

Monera

Fungi

Organism that live upon or within another organism are called.

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Predators

Pests

Parasites

Hosts

The uterine layer which is shed with each monthly cycle is:

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Endometrium

Perimetrium

Tunica albuginea

Myometrium

How many million nucleotides are in DNA of typical human chromosome

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140

160

180

200

The removal of apex release that lateral buds from the apical dominance. It is called

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Inhibitory effect

Compensatory effect

Apical dominance

Reproduction

It is estimated that human genome could take an encyclopaedia of 200 volumes each with

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10 pages

100 pages

1000 pages

10,000 pages

Animals of the group of flatworms have simple tubular secretory system called of

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Kidney

Nephron

Protonephridia

Nephridia

Bowman capsule continues as extensively convoluted proximal tubule loop of henie and the distal tubule which empties into

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Collecting tubules

Malpighian tubules

Renal tubules

Neural tubules

Pentose sugar in the molecule of DNA is

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Ribose

Deoxyribose

Sucrose

Lactose

Urea is produced in

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Lungs

Liver

Kidney

Pancreas

The groups of ribosomes present in the cell body of the neuron, which are associated with nough endoplasmic reticulum are called:

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Meissner's corpusles

Pacinian corpucles

Nissl's gronules

Lysosome granules

A localized group of individuals belonging to the same species is called as.

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Community

Population

Ecosystem

Bio sphere

Cacti and Euphorbia are the desert plants which store water in their.

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Fleshy leaves

Freshy stems

Freshy roots

Freshy buds

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