Question # 1

Fats belong to a group of substance called .............. .

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Carbohydrates

Lipid

Protein

Vitamins

Zaccharia Janssen and Hans Janssen were two ___________ eye glass makers.

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German

Dutch

British

America

Mendal experimented on ____________ plants.

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Potato

Pea

Rose

Pine

There are ......... types of photosystem.

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One

Two

Three

Four

A cell hydrolyses ATP to ADP & inorganic phosphate & almost .............. Kcal energy is released.

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7.3 Kcal

7.4 Kcal

7.2 Kcal

7.5 Kcal

The phases of cell cycle are:

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Interphase

Division phase

Both a and b

None

The scientific of cat is _____________

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Felis leo

Felis Tigris

Felis domestica

Ficus domestica

Chromatains are condensed during:

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Anaphase

Prophase

Anaphase

Metaphase

When we work hard we suffer form muscle fatigue muscle cells.

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Carry out aerobic respiration and so accumulate more CO₂

Carry out anaerobic respiration and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so are tired

Mitochondria store _______________

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AMP

ADP

ATP

None

Chromosomes become double during:

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G₁

G₂

G₀

S phase

There areas where living organisms interct with non -livnig components of the environment are called.

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Population

Community

Ecosystem

Species

How many cells die each day due to apoptosis in humans?

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50 - 70 Billions

50 - 70 Millions

50-70 trillions

20 - 30 Millions

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