The photoautotrophic organisms that do not split water to obtain reducing power are 

(1) purple bacteria 

(2) cyanobacteria

(3) green plants

(4) none of these

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Phycology is the study of

(1) fungi

(2) algae

(3) moss

(4) lichens

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Which is purely anaerobic?

(1) Algae

(2) Mosses

(3) Fungi

(4) None of these

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Which of these contains 2 nucleus one for vegetative purpose and the other for reproduction?

(1) Euglena

(2) Paramecium

(3) Chlamydomonas

(4) Spirogyra

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Nuclear material in  × 174 is

(1) ssDNA

(2) ds DNA

(3) ssRNA

(4) dsRNA

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Viral envelope contains

(1) lipids

(2) proteins

(3) carbohydrates

(4) all of these

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Which of the following is a DNA containing double shelled virus?

(1) Hepatitis A

(2) Hepatitis B

(3) Hepatitis C

(4) Hepatitis D

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Azolla increases soil fertility of

(1) maize

(2) barley

(3) rice

(4) wheat

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Saprotrophs live on dead organic matter, which they utilize

(1) by phagocytosis

(2) after digestion by extracellular enzymes synthesised by them

(3) by endocytosis

(4) by pinocytosis

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Fungal cell walls are characteristic in having

(1) cellulose

(2) hemicellulose

(3) chitin

(4) pectin

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