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Campbell NCERT > Living World > Flashcards

Living World Flashcards

1
Q

Organism have narrow range of shape and size that’s why called

A

Morphous

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2
Q

Differentiation of body into units and subunits which are arranged in orderly manner

A

Organization

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3
Q

Growth is Permanent and irresponsible change in organ or organism accompanied by increase in

A

Dry weight, mass, number

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4
Q

Total of changes that occurred in an organism or organ in it’s lifetime

A

Development

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5
Q

Three process involved in growth

A

Cell division, enlargement, secretion of apoplasmic substance

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6
Q

Living growth

A

Intussusception

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7
Q

Non living growth

A

Accretion

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8
Q

Two types of substance in the org.

A

Protoplasmic apoplasmic

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9
Q

Sum of total biochemical reactions in cells

A

Metabolism

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10
Q

No abiotic exihibit

A

Metabolism

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11
Q

When a particular part of body can regenerate

A

Epimorphosis

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12
Q

When whole org can regenerate itself

A

Morphallaxis

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13
Q

Study of ageing

A

Gerontology

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14
Q

Ageing starts after / before birth

A

Before

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15
Q

Prtn important for ageing

A

Collagen

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16
Q

Prtn that makes cell membrane impermeable

A

Collagen

17
Q

According to immunity theory of ageing degeneration of——— is one of the cause of ageing

A

Thymus gland

18
Q

5 factors of biological death

A

Liver mortis , stoppage of brain function, pallor mortis ,algor mortis, rigor mortis

19
Q

Paleness after death

A

Pallor mortis

20
Q

Setting of blood at legs after death

A

Liver mortis

21
Q

Reduction in temp due to non functioning of hypothalamus

A

Algor mortis

22
Q

Muscle contraction after death

A

Rigor mortis

23
Q

Currently______ organism discovered

A

1.7- 1.8 million

24
Q

Study of insects

A

entology

Campbell NCERT (3 decks)

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