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StudyTough > Life Processes > Flashcards

Life Processes Flashcards

1
Q

Name a few life processes

A

Nutrition
Digestion
Respiration
Circulation
Excretion

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2
Q

Types of nutrition

A

Autotrophic nutrition
Heterotrophic nutrition

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3
Q

Types of heterotrophic nutrition

A

Saprophytic
Holozoic
Parasitic

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4
Q

How many steps of nutrition are there in holozoic nutrition?

A

5
Ingestion
Digestion
Absorption
Assimilation
Egestion

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5
Q

What is the difference between Egestion And Excretion

A

Egestion: removal of excess waste
Excretion: removal of metabolic wastes from the body

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6
Q

Equation for photosynthesis

A

6CO2 + 6H2O → C6H12O6 + 6O2

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7
Q

What is nutrition?

A

The process of deriving and utilising food.

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8
Q

What is nutrition?

A

The process of deriving and utilising food.

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9
Q

What is photosynthesis?

A

Photosynthesis is the process by which plants use sunlight, water and CO2 to create O2 and energy in the form of glucose.

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10
Q

What is photosynthesis?

A

Photosynthesis is the process by which plants use sunlight, water and CO2 to create O2 and energy in the form of glucose.

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11
Q

What gives the green pigment to plants?

A

Chlorophyll

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12
Q

Where are chlorophyll present?

A

In chloroplasts

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13
Q

Where are chloroplasts present?

A

Mesophyll

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14
Q

Steps of photosynthesis

A

Absorption of light by chlorophyll
Conversion of light energy to chemical energy and splitting of water molecules to produce hydrogen and oxygen.
Reduction of carbon dioxide to carbohydrates.

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15
Q

Parts of a leaf

A

Waxy cuticle
Upper epidermis
Chloroplasts
Air spaces
Guard cells
Lower epidermis

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16
Q

Where does the light energy, water, carbon dioxide, nitrogen needed by plants come from?

A

Light energy or sunlight comes from the sun
Water comes from the soil
Carbon dioxide comes from the atmosphere
Nitrogen comes from the soil in the form of nitrates and nitrites

17
Q

What is glucose stored as?

A

Glucose is stored as starch in plants

18
Q

By product of photosynthesis

A

Oxygen

19
Q

By products of photosynthesis

A

Oxygen
Gum
Resins

20
Q

What do human beings store glucose as?

A

Glycogen

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