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Biology - Questions and AnswersPage 147

1461.

"Donann equilibrium", a theory which explains the physiological phenomenon is called
(a)Water conduction
(b)Ascent of sap
(c)Mineral absorption
(d)Transpiration
Comment
Answer is: C

1462.

Bacterial action changes dead leaves into
(a)Algae
(b)Fungi
(c)Humus
(d)None of these
Comment
Answer is: C

1463.

Which of the following is not a fruit ?
(a)Cucumber
(b)Tomato
(c)Potato
(d)Apple
Comment
Answer is: C

1464.

Litmus is obtained from
(a)An algae
(b)A fungus
(c)A fungus
(d)A lichen
Comment
Answer is: D

1465.

'Gemma Cup' is found in
(a)Moss
(b)Marchantia
(c)Riccia
(d)Cycas
Comment
Answer is: B

1466.

Which of the following genera possesses long shoots and dwarf shoots ?
(a)Cycas
(b)Pinus betula
(c)Cedrus
(d)Taxus
Comment
Answer is: A

1467.

Each virus is made up of
(a)Nucleic acid and protein
(b)DNA and RNA
(c)DNA and Protein
(d)RNA and Protein
Comment
Answer is: A

1468.

Water of coconut is
(a)Liquid nucellus
(b)Degenerated liquid endosperm
(c)Liquid endocarp
(d)Liquid mesocarp
Comment
Answer is: B

1469.

A herbariurn is
(a)A collection of herbs in dried form
(b)A garden with collection of medicinal herbs
(c)A centre for the preservation of dried specimen of plants
(d)A garden with varied collection of herbs
Comment
Answer is: C

1470.

Agar - agar is obtained from
(a)Geledium
(b)Chara
(c)Spirogyra
(d)Nostoc
Comment
Answer is: A

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