Question # 1

The most abundant and important organelle belongingto plastids are:

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Chloroplast

Chronoplast

Leucoplast

None

In which group of the following is present Mg?

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Chlorophyll

Cytochrome

Haemoglobin

None of these

___________ is a group of related genre.

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Family

Order

Class

Phylum

Viruses are not classified in any kingdom because:

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They are too poorly understood

They are too small

Their genetics cannot be determined

They are not considered organisms

.................. formation occurs in SER.

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Proeins

Lipids

Cellular

All

Which of the following chambers has the thickest walls in human heart?

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Right atrium

Left atrium

Left ventricle

Right ventricle

The molecule that fits the active sites that is called:

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Substrate

Enzyme

Catalyst

All

The potential energy is stored in chemical bonds and is released as _____________ energy when these bonds break.

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Heat

Light

Kinetic

Solar

Modern classification (binomial nomenclature) is based on the work of:

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Caesalpino

John Ray

Tournefort

Carolous Linnaeus

Which of the followings in not true about the opening and Closing of Stomata?

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Light helps in the opening and closing of stomata

K⁺ ions are responsible for the opening and closing of stomata

The osmosis of water is responsible for the opening and closing of stomata

None for these

The element mostly present in an individual is

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Nitrogen

Carbon

Oxygen

Hydrogen

Which of these materials is not a component of plasma membrane?

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Lipids

Carbohydrates

Proteins

DNA

Robert Whittaker classifies organism into _____________

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Two kingdoms

Five kingdoms

Seven kingdoms

Three kingdoms

Optimum temperature for enzymes of human body is:

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86°C

37°C

38°C

39°C

Photosynthesis is a /an _____ process.

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Metabolic

Catabolic

Anabolic

Chemical

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