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

(1) Euglena

(2) Paramecium

(3) Chlamydomonas

(4) Spirogyra

Subtopic:  Protozoa |
 57%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Viral envelope contains

(1) lipids

(2) proteins

(3) carbohydrates

(4) all of these

Subtopic:  Virus, Viroids & Prions |
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NEET 2023 - Target Batch - Aryan Raj Singh
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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

 82%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Azolla increases soil fertility of

(1) maize

(2) barley

(3) rice

(4) wheat

 63%
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NEET 2023 - Target Batch - Aryan Raj Singh
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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

Subtopic:  Kingdom Fungi: Ascomycetes |
 76%
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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
Subtopic:  Kingdom Fungi: Zygomycetes | Kingdom Fungi: Ascomycetes | Kingdom Fungi: Basidomycetes |
 72%
From NCERT
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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

Subtopic:  Kingdom Protista: Introduction |
 66%
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NEET 2023 - Target Batch - Aryan Raj Singh
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In prokaryotes, genetic recombination can occur during

(1) transduction

(2) transformation

(3) conjugation

(4) all of these

Subtopic:  Kingdom Monera: Bacterial Recombination |
 71%
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which of the following structures helps in the respiration of lichens?

(1) Soredia

(2) Isidia

(3) Cyphella

(4) Cephalodia

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NEET 2023 - Target Batch - Aryan Raj Singh
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Viroids have

(1) single stranded RNA not enclosed by protein coat

(2) single stranded DNA not enclosed by protein coat

(3) double straded DNA enclosed by protein coat

(4) double stranded RNA enclosed by protein coat

Subtopic:  Virus, Viroids & Prions |
 88%
From NCERT
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