Question # 1

Find the correct statement.

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Homologous chromosomes form pairs during mitosis

Chromosomes do not duplicate in the interphase preceding meiosis-I

Homologous chromosomes form pairs during mitosis but not mitosis

Spindles are not required during meiosis

Cell theory was proposed by:

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Theodor Sachwann

Mathias Schleiden

Both a & b

None

Humans belong to a species called ____________

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Homo

Sapiens

Both and b

None of these

Who introduced Taxon of 'order' in classification?

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Caesalpino

John Ray

Tournefort

Rivinus

RNA, ribosomes and enzyme are synthesized during .............. .

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G2-phase

S-phase

G1-phase

Inretphase

Unicellular is.

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Rabbit

Euglena

Horse

Frog

It is a group of related genera:

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Order

Class

Species

Family

Epidermal tissue is found in.

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Sparrow

Onion

Crow

Pigeon

When we add more substrate to an already occuring enzymatic reaction and there is no increase in the rate of reaction, what would you predict?

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All actives sites have been occupied by substrate molecules

The enzyme molecule have denatured

More substrate acted as inhibitor

More substrate has disturbed has disturbed the pH of the medium

When an enzyme is no longer able to work, it is said to be:

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Catalyzed

Dead

Cofactored

Denatured

Males with two Y chromosomes have more .................. tendensies.

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Citizenship

Criminal

Good

None

The process of lubrication & digestion steels in ............... .

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Oral cavity

Phyranx

Oesophagus

Stomach

When we add more substrate to an already occurring enzymatic reaction and there is no increase in the rate of reaction what would you predict?

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All active sites have been occupied by substrate molecules

The enzyme molecules have denatured

More substrate acted as inhibitor

More substrate has disturbed the pH of the medium

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