Question # 1

.......... is the most abundant .

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Chlorophyll a

Chlorophyll b

Chlorophyll c

Chlorophyll d

Type of spindle fibre which attaches the chromosomes is called:

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Kinetochore

Non Kinetochore

Bot a and b

Centromere

The number of bioelemets in nature is.

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13

14

15

16

The lowest taxon among the following is:

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Genera

Class

Order

Families

Remains of extinct organisms are called.

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Corals

fossils

Coral reel

Endangered

Plasma contains .................. % water.

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10%

7%

90%

2%

Endoplasmic Reticulum is of .................. types.

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1

2

3

4

In dark reaction first of all CO₂ combines with:

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5-carbon compound

6-carbon compound

3-carbon compound

Already present glucose

In which stage of the cell cycle each chromosome is duplicated and so it consists of two chromatids?

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GI

S

M

G2

Organisms are classified in different groups on basis of characters.

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Similar

Homologous

Different

Both a and b

Enzymes accelerate reactions by_______the activation energy needed for the reaction.

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Stopping

Raising

Lowering

Binding

Who introduced Taxon of 'order' in classification?

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Caesalpino

John Ray

Tournefort

Rivinus

Scientific name of dog is:

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Canis familiars

Canis lupus

Felis domesticus

None

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