PYQSide ExamsMy practice

Biological Classification · Question 109

AIPMT 2001MCQEasy📈 Topic in 25% papers+4−1
1

Cauliflower mosaic virus contains

  1. ss RNA
  2. ds RNA
  3. ds DNA
  4. ss DNA

Answer

(3) ds DNA

Solution

As per NCERT, viruses contain either RNA or DNA; in general, plant viruses have single-stranded RNA, while animal viruses have single- or double-stranded RNA or double-stranded DNA.

Cauliflower mosaic virus (CaMV) is an exception among plant viruses: its genome is a circular double-stranded DNA.

∴ Cauliflower mosaic virus contains ds DNA.

Answer: (3)

AIPMT 2001

Keep practising — Biological Classification

2

What is true for cyanobacteria?

  1. Oxygenic with nitrogenase
  2. Oxygenic without nitrogenase
  3. Non-oxygenic with nitrogenase
  4. Non-oxygenic without nitrogenase
AIPMT 2001
3

What is true for archaebacteria?

  1. All halophiles
  2. All photosynthetics
  3. All fossils
  4. Oldest living beings
AIPMT 2001
4

Adhesive pad of fungi penetrates the host with the help of

  1. mechanical pressure and enzymes
  2. hooks and suckers
  3. softening by enzymes
  4. only by mechanical pressure
AIPMT 2001
5

What is true for photolithotrophs?

  1. Obtain energy from radiations and hydrogen from organic compounds
  2. Obtain energy from radiations and hydrogen from inorganic compounds
  3. Obtain energy from organic compounds
  4. Obtain energy from inorganic compounds
AIPMT 2001
6

Black rust of wheat is caused by

  1. Puccinia
  2. Ustilago
  3. Albugo
  4. Phytophthora.
AIPMT 2000
7

Enzymes are not found in

  1. fungi
  2. algae
  3. virus
  4. cyanobacteria.
AIPMT 2000
8

Which disease of man is similar to cattle's bovine spongiform encephalopathy?

  1. Spongiocitis of cerebrum
  2. Encephalitis
  3. Spondylitis
  4. Jakob–Creutzfeldt disease
AIPMT 2000

All Biological Classification PYQs →

PDFDownload Biological Classification PYQs as PDF Free, with answer key and a QR code to every solution — print it or study offline⬇
All NEET Botany chapters
Class 11The Living WorldBiological ClassificationPlant KingdomMorphology of Flowering PlantsAnatomy of Flowering PlantsCell: The Unit of LifeCell Cycle and Cell DivisionTransport in PlantsMineral NutritionPhotosynthesis in Higher PlantsRespiration in PlantsPlant Growth and Development
Class 12Reproduction in OrganismsSexual Reproduction in Flowering PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionMicrobes in Human WelfareOrganisms and PopulationsEcosystemBiodiversity and ConservationEnvironmental Issues
Other chaptersBiomolecules (Biology)