Question # 1

Respiratory pigment present in muscle is called.

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Hemoglobin

Globulin

Myoglobin

Hemocyanin

Which statement about the chemiosmotic mechanism is not true

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Protons return through the membrane by way of a channel protein

Proton are pumped across a membrane

Proton pumping is associated with the respiratory chain

Has no connection with the respiratory chain

Chlorophyll 'a' of photosystem I absorbs maximum light of.

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670 nm

700 nm

680 nm

690 nm

The bests fly of African contrives transition trypanosome, the cause of.

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Sleeping sickness

Measles

Lung infection

Malaria

_______ is not a terpenoid.

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Steroids

Terpenes

Waxes

Rubber

The plasma proteins constitute percent by weight of plasma.

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7.9%

9-11%

11-13%

13-15%

An activated enzyme consisting of a polypodies chain and a co factor is called.

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Apo enzyme

Co enzymes

Holo enzymes

Both a and b

The most abundant protein in chloroplast and probably most abundant protein in the world is

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Hemoglobin

Rubisco

Insulin

Globulin

The maximum depth of roots of prospis is.

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40 meters

50 meters

60 meters

70 meters

Which one of the following statements about enzymes is not true

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They consist of proteins or without a non-proteins part

They change the rate of catalyzed reaction

They are sensitive to heat

They are non-specific in their action

The volume of the blood in a normal person, plasma constitutes about.

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15%

25%

55%

75%

Photoperiodism was first studied by garner and allured in.

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1918

1920

1922

1924

Human lungs are spongy due to the presence of million of:

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Bronchi

Alveoli

Bronchioles

Trachea

The cerebrospinal fluid is similar in composition to

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Blood

Blood plasma

Blood serum

Blood proteins

The average rainfall is between 750 - 1500 mm in

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Temperate deciduous forests

Coniferous alpine and boreal forests

Tropical rain forests

Grassland ecosystem

A general formula called the hard-Weinberg equation is used for calculating the frequencies of alleles and genotypes in populations at

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Equilibrium

Balance

Stability

Poise

DNA changes are called mutations and the organisms that have undergone such changes are called

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Wild types

Changer

Mutants

Transmutants

Which of the following is NOT recycled in ecosystem?

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Carbon

Sulphur

Energy

Water

Which enzyme acts as molecular scissors.

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DNA ligase

DNA polymerase

RNA polymerase

Restriction endonuclease

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

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RNA

DNA

Lipds

Proteins

An increase in plant girth due to activity of cascara cambium is called.

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Primary growth

Secondary growth

Heart wood

Sap wood

Book "The origin of species" was written by.

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Linnaeus

Darwin

Wallace

Lamark

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