Explore topic-wise MCQs in NEET.

This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.

5051.

An organism having cytoplasm DNA and RNA but no cell wall is                                  [MP PMT 1995, 98]

A.                    Cyanobacterium              
B.                    Mycoplasma
C.                    Bacterium                         
D.                    Virus
Answer» C.                    Bacterium                         
5052.

Organisms without any specific shape are            [MP PMT 1997]

A.                    Mycoplasmas                   
B.                    Bacteria
C.                    Viruses                              
D.                    Cyanobacteria
Answer» B.                    Bacteria
5053.

PPLO reproduce (multiply) by

A.                    Gametic fusion                 
B.                    Binary fission
C.                    Akinetes                            
D.                    Endospore
Answer» C.                    Akinetes                            
5054.

Which of the following are called bacteria without cell wall                      [CPMT 2000; BVP 2001; MHCET 2002]

A.                    Virus                                 
B.                    Viroid
C.                    Mycoplasma                     
D.                    Cyanobacteria
Answer» D.                    Cyanobacteria
5055.

Prokaryota includes                                                      [RPMT 1995]

A.                    Mycoplasma
B.                    Ulothrix
C.                    Fungi
D.               Mycoplasma and blue-green algae
Answer» E.
5056.

Size of PPLO is

A.                    \[0.10\mu \] to \[0.15\mu \]
B.                    \[0.21\mu \] to \[0.25\mu \]
C.                    \[0.01\mu \] to \[0.08\mu \]
D.                    \[0.05\mu \] to \[0.10\mu \]
Answer» B.                    \[0.21\mu \] to \[0.25\mu \]
5057.

The 'Witches broom' of legumes is caused by a    [MP PMT 1994; RPMT 1995; KCET 1999; Pb. PMT 2004]

A.                    Virus                                 
B.                    Mycoplasma
C.                    Bacterium                         
D.                    Fungus
Answer» C.                    Bacterium                         
5058.

Cell of mycoplasma contains

A.                    RNA                                  
B.                    DNA
C.               Both RNA and DNA       
D.                    None of these
Answer» D.                    None of these
5059.

Mycoplasma is a

A.                    Saprophyte
B.                    Parasite
C.                    Some species are parasites and others are saprophytes
D.                    None of these
Answer» D.                    None of these
5060.

Mycoplasma is related to

A.                    Algae                                 
B.                    Bacteriophage
C.                    Virus                                 
D.                    L?form bacteria
Answer» E.
5061.

Mycoplasma hominis causes

A.                    Small pox
B.                    Brain fever                        
C.                    Tuberculosis
D.               Infertility in males (human)
Answer» E.
5062.

Name Asterococcus mycoides has been given to mycoplasma by

A.                    Noccard and Roux          
B.                    Nowak
C.                    Borrel et al                        
D.                    None of these
Answer» D.                    None of these
5063.

Mycoplasma is

A.                    Gram positive
B.                    Gram negative
C.                    Some species are gram positive
D.                    None of the above
Answer» C.                    Some species are gram positive
5064.

Which disease is caused by mycoplasma

A.                    Citrus greening
B.                    Sandal spike
C.                    Grassy shoot of sugarcane     
D.               All the above
Answer» E.
5065.

Little leaf of brinjal is caused by         [BHU 1980; Bihar MDAT 1995; MP PMT 2001]

A.                    Virus                                 
B.                    Mycoplasma
C.                    Fungus                             
D.                    Algae
Answer» C.                    Fungus                             
5066.

Tendency of abortion in ladies is caused by

A.                    Cyanobacteria                  
B.                    Bacteria
C.                    Mycoplasma                     
D.                    None of these
Answer» D.                    None of these
5067.

The disease of cardio-vascular system is caused by

A.                    Algae                                 
B.               Mycoplasma
C.                    Cyanobacteria                  
D.                    None of these
Answer» C.                    Cyanobacteria                  
5068.

Mycoplasma can live successfully in phloem due to being

A.                    Osmotically active
B.                    Osmotically inactive
C.                    Some species are osmotically active only
D.                    None of the above
Answer» C.                    Some species are osmotically active only
5069.

Which of the species of mycoplasma causes human sterility

A.                    M. hominis                       
B.                    M. fermentans
C.                    T. mycoplasma                
D.                    All the three
Answer» E.
5070.

Who recorded pleuropneumonia in cattles

A.                    Pasteur                              
B.                    Twort
C.                    Knoll and Ruska          
D.                    Nocard and Roux
Answer» E.
5071.

Blebs can be noted in

A.                    Spirogyra                          
B.                    Mycoplasma galisepticum
C.                    Pseudomonas cola          
D.                    None of these
Answer» C.                    Pseudomonas cola          
5072.

Elementary cell body in mycoplasma perform the function of                      [RPMT 1995; MP PMT 1995, 98]

A.                    Metabolism                      
B.                    Excretion
C.                    Reproduction                   
D.                    Respiration
Answer» D.                    Respiration
5073.

Which one is the smallest organism capable of autonomous growth and reproduction              [BHU 1989; MP PMT 1990, 2001]

A.                    Virus                                 
B.                    Viroid
C.                    Mycoplasma                     
D.                    None of the above
Answer» D.                    None of the above
5074.

Which of the following makes heart wall more thick [BHU 1981; CPMT 1980]

A. Pericardium
B. Epicardium
C. Myocardium
D. Endocardium
Answer» D. Endocardium
5075.

Protein which is both structural and enzymatic [BHU 1988]

A. Troponin
B. Myosin
C. Trypsin
D. Actin
Answer» C. Trypsin
5076.

Sarcolemma is the covering of  [CPMT 1974; DPMT 1982; MP PMT 2003]

A. Nerve fibres
B. Muscle fibres
C. Bone marrow
D. Liver, kidney and stomach
Answer» C. Bone marrow
5077.

Contraction of muscles is the best example of conversion of cellular energy into [AMU 2005]

A. Mechanical energy
B. Heat energy
C. Electrical energy
D. Light energy
Answer» B. Heat energy
5078.

Krause membrane or \[Z-\]line is a myofibril which separates two adjacent [CBSE PMT 2001; MP PMT 2002]

A. Sarcomeres
B. \[H-\]zones
C. \[I-\]bands
D. \[A-\]bands
Answer» C. \[I-\]bands
5079.

Red muscle fibres are rich in [JIPMER 2002]

A. Golgi bodies
B. Mitochondria
C. Ribosome
D. Lysosomes
Answer» C. Ribosome
5080.

Actin and myosin proteins are related with [BVP 2001]

A. \[N{{a}^{+}}\] and \[{{K}^{+}}\] pump
B. Muscle contraction
C. Nervous system
D. Excretion of water products
Answer» C. Nervous system
5081.

The largest muscle in human body is [BVP 2000]

A. Masseter
B. Sartorius
C. Stapeduis
D. Gluteus
Answer» E.
5082.

Ensheathing of muscles is called [JIPMER 2001]

A. Tendon
B. Ligament
C. Peritoneum
D. Fascia
Answer» E.
5083.

Unstriped smooth muscles are found in [CPMT 1984]

A. Thigh
B. Eye muscles
C. Iris
D. Tongue
Answer» D. Tongue
5084.

In metazoa one of the following is responsible for locomotion and movement of organs [MP PMT 2001]

A. Nervous tissues
B. Epithelial tissues
C. Connective tissues
D. Muscular tissues
Answer» E.
5085.

Shivering with cold in winter is caused by [MP PMT 2001]

A. Voluntary action of striated muscles
B. Voluntary action of unstriated muscles
C. Involuntary action of striated muscles
D. Involuntary action of unstriated muscles
Answer» D. Involuntary action of unstriated muscles
5086.

Which of the following is the contractile protein of a muscle [CBSE PMT 1998]

A. Tubulin
B. Myosin
C. Tropomyosin
D. All of these
Answer» C. Tropomyosin
5087.

Glycogen is strored in [CPMT 1998]

A. Liver
B. Muscles
C. Both [a] and [b]
D. Blood
Answer» D. Blood
5088.

Actin filament is made up of [BHU 2003]

A. Actin, troponin and tropomyosin
B. Actin, troponin
C. Myosin, troponin
D. Actin, tropomyosin
Answer» B. Actin, troponin
5089.

Myoglobin is found in [MP PMT 1997; AFMC 2000; Pb. PMT 2000]

A. Muscles
B. Blood
C. Liver
D. Spleen
Answer» B. Blood
5090.

Which of the following is not syncytial [Manipal 2005]

A. Cardiac muscle
B. Skeletal muscle
C. Smooth muscle
D. Interstitial muscle
Answer» D. Interstitial muscle
5091.

In striated muscle contraction

A. \[H-\]band is lengthened
B. H-band is obliterated
C. \[A-\]band decreases in length
D. \[Z-\]line moves away from \[A-\]band
Answer» C. \[A-\]band decreases in length
5092.

During muscular contraction [MP PMT 1996]

A. ATP is broken down
B. ATP is formed
C. GTP is broken down
D. None of these
Answer» B. ATP is formed
5093.

Unstriated muscles are found in [RPMT 1995]

A. Veins
B. Arteries
C. Uterus
D. All the above
Answer» E.
5094.

Which set clearly identify striated muscles [CPMT 2005]

A. Cylindrical, syncytial and unbranched
B. Spindle, unbranched and uninucleated
C. Cylindrical, striped and nucleated
D. Cylindrical, striped and branched
Answer» B. Spindle, unbranched and uninucleated
5095.

Active transport involves [BHU 1995]

A. Against concentration gradient and require ATP
B. Against concentration gradient and not require ATP
C. With concentration gradient and not require ATP
D. None of the above
Answer» B. Against concentration gradient and not require ATP
5096.

The ready source of energy in living cells is [CPMT 1995]

A. Glucose
B. ATP
C. Glycogen
D. ADP
Answer» C. Glycogen
5097.

Which of the following is most widely distributed in the body forming major part

A. Connective tissue
B. Epithelial tissue
C. Muscular tissue
D. Nervous tissue
Answer» D. Nervous tissue
5098.

Which fibres, contractile in nature are found in muscles

A. White fibres
B. Myofibrils
C. Microfibrils
D. Elastic fibres
Answer» C. Microfibrils
5099.

Unstriped muscles are found in [BHU 1984; CPMT 1981]

A. Neck
B. Urinary bladder
C. Arms
D. Fingers
Answer» C. Arms
5100.

The structural and functional unit of the striated muscle fibre is called [CBSE PMT 1998]

A. Sarcolemma
B. Sarcomere
C. Sarcoplasm
D. Myofibril
Answer» C. Sarcoplasm