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BIO NMDCAT

1785 questions found

Subcategories

📁 ACELLULAR LIFR 20 📁 AIDS and HIV Infection 50 📁 and nerve impulse Reflexes and reflex arc 0 📁 Arthritis 0 📁 axon 0 📁 BIOENERGETICS 0 📁 Biological Importance of Water 95 📁 BIOLOGICAL MOLECULES 126 📁 Biotechnology 0 📁 Biotechnology and Health Care 0 📁 Blood Vessels 0 📁 Brain 25 📁 Carbohydrates 100 📁 Cardiac cycle and phases of Heartbeat 0 📁 cell body 0 📁 cell membrane 70 📁 CELL STRUCTURE & FUNCTION 100 📁 Chromosomes 76 📁 Circulation 0 📁 Concept of Evolution 50 📁 Conjugated molecules 100 📁 COORDINATION & CONTROL NERVOUS & CHEMICAL COORDINATION 0 📁 Cytoplasmic Organelles 75 📁 Darwinism 50 📁 dendrites 0 📁 DIVERSITY AMONG ANTMALS (THE KTNGDOM ANIMALIA) 0 📁 ENZYMES 108 📁 EVOLUTION 0 📁 Factors that Affect the Rate of Enzyme Reactions 60 📁 Form and Function in Plants 0 📁 Gene linkage and crossing over 0 📁 Homeostasis (kidney specifically) 0 📁 Homeostasis Mainly Kidney Portion nmdcat etea 0 📁 Human Heart 0 📁 Human Reproductive system 0 📁 Human Reproductive system-Menstrual cycle 0 📁 Human skeleton 0 📁 INHERITANCE 0 📁 Inhibitors 40 📁 Joints 0 📁 Lamarckism 50 📁 Lipids 45 📁 lmmunity 0 📁 Lymphatic system 0 📁 Mendel's laws of Inheritance 0 📁 Menstrual cycle 0 📁 Mode of Enzyme Action 60 📁 Muscle contraction 0 📁 Muscles 0 📁 myelin sheath 0 📁 Neurons 41 📁 PROKARYOTES (KTNGDOM MONERA) 0 📁 Prokaryotic and Eukaryotic cell 0 📁 Proteins 95 📁 Receptors 40 📁 REPRODUCTION 0 📁 Respiration 15 📁 Respiratory system 0 📁 Ribonucleic acid (RNA) 100 📁 Sexually transmitted diseases 50 📁 Skeletal muscles 0 📁 Specific Defense Mechanism 0 📁 Structure of DNA 98 📁 SUPPORT & MOVEMENT 0 📁 Viruses 46 📁 X-linked Recessive inheritance 0

Practice Questions

What is the shape of the HIV virus?

A. Rod-shaped
B. Spherical
C. Helical
D. Cuboidal
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which of the following is a characteristic of viroids?

A. Protein coat only
B. Circular single-stranded RNA
C. Double-stranded DNA
D. Lipid envelope
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Prions differ from viruses because they contain:

A. DNA only
B. RNA only
C. Protein only
D. Protein and RNA
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Viruses are considered obligate intracellular parasites because:

A. They have no ribosomes
B. They can only replicate inside host cells
C. They contain only one type of nucleic acid
D. They lack mitochondria
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

The protein coat surrounding the genetic material in a virus is called:

A. Capsid
B. Envelope
C. Capsomere
D. Peplomer
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which of the following is the primary criterion used for classifying viruses?

A. Host specificity
B. Genetic material
C. Mode of transmission
D. Shape of capsid
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which enzyme is used by retroviruses to convert RNA into DNA?

A. Integrase
B. Protease
C. Reverse transcriptase
D. DNA polymerase
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Tobacco Mosaic Virus (TMV) is an example of a:

A. DNA virus
B. RNA virus
C. Bacteriophage
D. Enveloped virus
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

The subunits that make up the viral capsid are known as:

A. Nucleoids
B. Capsomeres
C. Spikes
D. Peplomers
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which of the following structures aids a virus in attaching to host cells?

A. Nucleus
B. Lipid envelope
C. Glycoproteins
D. Ribosomes
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Bacteriophages that induce immediate bacterial cell lysis are called:

A. Temperate phages
B. Lysogenic phages
C. Virulent phages
D. Prophages
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which viral shape is characterized by a long tube or rod-like structure?

A. Icosahedral
B. Spherical
C. Helical
D. Complex
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

The viral envelope is primarily derived from:

A. Host cell membrane
B. Viral genome
C. Capsid proteins
D. Ribosomes
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which of the following is NOT a component of a typical virus?

A. Capsid
B. Genetic material
C. Nucleus
D. Envelope
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Viruses are unique from bacteria because they have the ability to:

A. Reproduce
B. Crystallize
C. Mutate
D. Metabolize
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which virus belongs to Baltimore Class VI?

A. HIV
B. Poliovirus
C. Smallpox
D. Rabies
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which instrument was essential for revealing the structure of viruses?

A. Light microscope
B. Compound microscope
C. Electron microscope
D. Dissecting microscope
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

The genetic material of a virus can be:

A. DNA only
B. RNA only
C. Either DNA or RNA
D. Both DNA and RNA
nmdcat.online ACELLULAR LIFR
Jun 24, 2026
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