Question # 1

The percentage of potassium in the human body is

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0.15%

0.05%

0.35%

0.25%

A bacteria with single polar flagellumis called.

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Atrichous

Monotrichous

Amphitrichous

Lophotrichous

Certain types of whales are also.

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Detritivore

Fluid feeders

Omnivores

Filter feeders

The structure involved in guttation are.

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Cuticle

Hydathodes

Lenticle

Stomata

The larva found in echinoderms is

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Trochophore

Veliger

Bipinnaria

Planaria

A single mycelium may produce upto a kilometers of new hyphae in only.

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One day

Three days

Five days

Fifteen days

Why hemoglobin is 98% saturated, the oxygen content per 100 ml of blood is.

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19.6 ml

18.6 ml

17.6 ml

16.6 ml

The cell walls of most bacteria have a unique macromolecule called.

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Techois acid

Lipoprotein

Peptidoglycan

Polysaccharide

Metameric ally segmented animals are belonging to the.

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Annelids

Molluscus

cnidarians

Echinoderms

To produce Lactose

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Two amino acids must form a peptide bond

Pairing of nitrogenous bases must occur between nucleotides

Glucose and galactose must undergo a dehydration reaction

Glucose and fructose must undergo a hydrolysis reaction

Tentacles is a characteristic of

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Snall

Amoeba

euglena

Hydra

Which of the following is the last structure that urine passes through duration its excretion from the body?

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Distal Tubule

Urethra

Urinary bladder

Ureter

Fresh water flatworms excrete

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Very dilute urine

Very concentrated urine

Slightly concentrated

Moderately concentrated urine

In human only one ovum is usually discharged from the ovary at one time this phenomenon is called

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Ovulation

Menstruation

Oestrous

Apomixes

The living cells of cartilage are called

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Cridocytes

chondrocytes

Blastocysts

Nematocytes

Photoperiodism was first studied by garner and allured in.

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1918

1920

1922

1924

What would be expected to happen if all the nitrogen-fixing organisms ceased to exist?

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There would be no significant change in number of animals

The total number of biomass would be reduced

All organisms would die out

The nitrogen level of the atmosphere would be increase

Primary succession may start in a dry soil or rock is called.

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Hydrosere

Xerosere

Derosere

Desert

Fibroblasts and osteoblasts migrate into the fracture site and begin to construct

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Bone

Cartilage

Muscle

Joint

Muscle present in the gut wall are.

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Smooth

skeletal

Cardiac

Voluntary

Which of the following chromosome abnormalities lead to tallness, aggressiveness mental defect and anti social behavior.

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XXY

XXXY

XO

XYY

Homologous structures represent.

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Convergent evolution

Analogy

divergent evolution

Functional similarity

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