Question # 1

Blood provides immunity

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Leukocytes

Platelets

RBC

Lymphocytes

Constipation is caused by the excessive absorption of

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Water

Blood

Food

Oxygen

The fluid filled region of the chloroplast is.

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Matrix

cisternae

Stroma

cytoplasm

The simplest of all the Bryophytes are

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Mosses

Liverworts

Club mosses

Hornworts

In normal human body percentage of plasma in blood volume is.

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45%

30%

55%

60%

the molecule formed by two amino acids is called.

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Peptide linkage

dipeptide

Both A and C

Peptide bond

Glycogen in found abundantly in

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Liver

Muscles

Kidney

Both a and b

An aphid that attacks walnut tree is being controlled biologically by

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Wasp

House fly

Honey bee

Mosquito

Greater pathogenicity to bacteria and protection against phagocytosis is provided by

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Capsule

Slime

Cell wall

Mesosomes

Population of different species living in the same Habitat form a.

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Community

Biosphere

Biome

Ecosystem

pH of fresh saliva of human is about

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6

7

8

9

Which of the following were the first plants that formed true leaves and roots.

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Psillopsids

Lycopods

Ferns

Megophylls

The percentage of photosynthesis carried out by terrestrial plants is about.

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10

20

30

40

Fern prothallus is

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sporophyte

saprophyte

Gametophyte

Seed

Sweet pea belongs to which family.

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Fabaceae

Solanaceae

Rosaceae

Poaceae

The size of prokaryotic ribosome is.

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30 S

50 S

70 S

80 S

Which structure of bacteria help in DNA replication.

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Plasmid

Mesosomas

cyst

Nucleoid

In lycopsids, the arrangement of leaves is.

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Spiral

Alternate

Opposite

All above

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