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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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

Concept Questions :-

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Viral envelope contains

(1) lipids

(2) proteins

(3) carbohydrates

(4) all of these

Concept Questions :-

Virus & Viroids
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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

Concept Questions :-

Kingdom Fungi: Ascomycetes
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Fungal cell walls are characteristic in having

(1) cellulose

(2) hemicellulose

(3) chitin

(4) pectin

Concept Questions :-

Kingdom Fungi:: Introduction
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Select the option that correctly identifies the different genera (A, B, C and D) of Kingdom Fungi shown in figure.

 

A

B

C

D

(1)

Mucor

Saccharomyces  

Morchella

Amanita

(2)

Mucor

Saccharomyces

Penicillium

Agaricus

(3)

Rhizopus

Saccharomyces

Aspergillus  

Morchella

(4)  

Aspergillus  

Rhizopus

Penicillium

Agaricus

 

Concept Questions :-

Kingdom Fungi: Zygomycetes
Kingdom Fungi: Ascomycetes
Kingdom Fungi: Basidomycetes
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The protists have

(1) only free nucleic acid aggregates

(2) membrance bound nucleoproteins lying embedded in the cytoplasm

(3) nucleoprotein in direct contact with the rest of the cell substance

(4) none of these

Concept Questions :-

Kingdom Protista: Introduction
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