Question # 1

The thin extensions of the inner mitochondrial membrane are known as ______.

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Cristae

Matrix

Thylakoids

Stroma

Trace the pathway of water from the soil through the plant to be the atmosphere:

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Endodermis, cortex , epidermis , xylem , intercellular spaces in mesophyll, stomata

Epidermis, endodermis , phloem, cortex of leaf, intercellular spaces of mesophyll, stomatta

Root hairs, epidermis , Cortex, xylem, endodermis, intercellular spaces in mesophyll, stomata

Root hairs, Cortex, endodermis ,xylem,intercellular spaces in mesophyll, stomata

There are about ............. to ........ enzymes in cell.

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1000-2000

1000-2050

2000-6000

2000-3000

How many kinds of organisms inhabit the earth?

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1 million

5 million

10 million

10 billion

In which of the following metabolic processes, oxidation as well as reduction of molecules occur?

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Photosynthesis

Respiration

Both

None of these

A patient with blood group A can be given the blood of donor who has;

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Blood group A or AB

Blood group A or O

Blood group A only

Blood group O only

Induced Fit model was proposed by:

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Emil Fischer

Melcher

Koshland

Saugeo

Who divided living organisms into three kingdom Classification system?

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Linnaeus

Aristotle

John Ray

Hackel

When we work hard we suffer from muscle fatigue because muscle cells:

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Carry out aerobic respiration at faster rate and so are tired

Carry out anaerobic respiration and so-accumulate more CO₂

Carry out anaerobic respiration and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so burst

____________ is believed to have died of malaria.

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Aristotle

Alexander

Laveran

Genghis khan

Arteries can be divided into ........... types.

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Two

Three

Four

Five

Deforestation results in:

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Soil erosions

Increased water storage capacity dams

More humidity

MOre clouds

Organisms are classified in different groups on basis of characters.

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Similar

Homologous

Different

Both a and b

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