MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
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.
| 13551. |
Organic farming includes: |
| A. | use of fertilisers and pesticides of biological origin. |
| B. | IPM (integrated pest management programme). |
| C. | locally developed pest resistant varieties. |
| D. | All of the above |
| Answer» E. | |
| 13552. |
IPM (Integrated Pest Management) involves: |
| A. | Tissue culture |
| B. | Biological control |
| C. | Biofertilisers |
| D. | Confusion technique |
| Answer» C. Biofertilisers | |
| 13553. |
For biogas production besides dung, an extensive use of which weed is recommended in our country? |
| A. | Mangifera indica |
| B. | Hydrilla |
| C. | Eichhornia crassipes |
| D. | Solanum |
| Answer» D. Solanum | |
| 13554. |
Methane content of biogas is: |
| A. | 0.246 |
| B. | 0.558 |
| C. | 0.08 |
| D. | 0.04 |
| Answer» C. 0.08 | |
| 13555. |
Identify the microorganism which is commercially exploited as the source of bioinsecticides? |
| A. | Chrysanthemum cinerariifolium |
| B. | Phytophthora palmivora |
| C. | Bacillus thuringiensis |
| D. | Both [a] and [c] |
| Answer» D. Both [a] and [c] | |
| 13556. |
Viral pesticide used against gypsy moths is: |
| A. | NPV |
| B. | Nosema locustae |
| C. | Fusarium |
| D. | Beauveria bassiana |
| Answer» B. Nosema locustae | |
| 13557. |
Pyrethnn is a common ingredient of: |
| A. | Mosquito coils |
| B. | Fly sprays |
| C. | Mosquito mats |
| D. | All of these |
| Answer» E. | |
| 13558. |
Following is the sewage treatment. In which of the following options, correct word for all the four numbers (1, 2, 3 and 4) are indicated. |
| A. | 1 - Large aeration tanks; 2 - Chemical agitation; 3 - High; 4 - Anaerobic |
| B. | 1 - Large aeration tanks; 2 - Mechanical agitation; 3 - Low; 4 - Anaerobic |
| C. | 1 - Large aeration tanks; 2 - Chemical agitation; 3 - Low; 4 - Aerobic |
| D. | 1 - Large aeration tanks; 2 - Mechanical agitation; 3 - High; 4 - Anaerobic |
| Answer» C. 1 - Large aeration tanks; 2 - Chemical agitation; 3 - Low; 4 - Aerobic | |
| 13559. |
Name the blank spaces A, B, C and D given in the following table.Type of MicrobeScientific NameCommercial ProductBacteriumAClot buster enzymeBAspergillus nigerCitric acidFungiTrichoderma polysporumCBacteriumDButyric acid |
| A. | A - Streptococcus, B - Fungus, C - Cyclosporin-A, D- Clostridium butylicum. |
| B. | A-Clostridium butylicum, Q-Streptococcus, C - Fungus, D - Cyclosporin-A |
| C. | A- Cyclosporin-A, B - Clostridium butylicum, C - Streptococcus, D - Fungus |
| D. | A - Fungus, B - Cyclosporin-A, C - Clostridium butylicum, D - Streptococcus |
| Answer» D. A - Fungus, B - Cyclosporin-A, C - Clostridium butylicum, D - Streptococcus | |
| 13560. |
Consider the following statements about, secondary sewage treatment. Which of the statements given are correct? (i) In secondary treatment useful aerobic microbes grow rapidly and form floes of bacterial and fungal filaments in a mesh- like structure. (ii) The growing microbes consume organic matter reducing the BOD after which the effluent is passed into settling tank. (iii) In settling tank, the bacterial floes settle and the sediment is called activated sludge. (iv) A small part of the sludge is used as an inoculum. The remaining part is passed into anaerobic sludge digesters. (v) On anaerobic digestion of bacteria and fungi mixture of gases such as, carbon dioxide, nitrogen and carbon monoxide are produced. |
| A. | (i), (ii), (iii) and (iv) |
| B. | (i), (iii), (iv) and (v) |
| C. | (ii), (iii), (iv) and (v) |
| D. | (i), (ii), (iii), (iv) and (v) |
| Answer» B. (i), (iii), (iv) and (v) | |
| 13561. |
Jatropha is a: |
| A. | Biodiesel crop |
| B. | Biopetro crop |
| C. | Fibre crop |
| D. | Food crop |
| Answer» B. Biopetro crop | |
| 13562. |
Activated sludge has the ability to settle quickly this enables it to: |
| A. | be rapidly pumped back from sedimentation to aeration tank. |
| B. | absorb pathogenic bacteria while sinking to the bottom of the settling-tank. |
| C. | anaerobically digested and be discarded. |
| D. | absorb colloidal organic matter. |
| Answer» B. absorb pathogenic bacteria while sinking to the bottom of the settling-tank. | |
| 13563. |
The amount of oxygen required by the microbes in the decomposition of organic matter is called: |
| A. | Chemical oxygen demand |
| B. | Biochemical oxygen demand |
| C. | Total oxygen demand |
| D. | Dissolved oxygen |
| Answer» C. Total oxygen demand | |
| 13564. |
Human insulin is being commercially produced from a transgenic species of: |
| A. | Rhizobium |
| B. | Saccharomyces |
| C. | Escherichia |
| D. | Mycobacterium |
| Answer» D. Mycobacterium | |
| 13565. |
Baculoviruses are excellent pathogens for: |
| A. | species-specific narrow spectrum pesticidal applications. |
| B. | species-specific broad spectrum pesticidal applications. |
| C. | species-specific narrow spectrum insecticidal applications. |
| D. | species-specific broad spectrum insecticidal applications. |
| Answer» D. species-specific broad spectrum insecticidal applications. | |
| 13566. |
Germinating barley is employed for preparation of: |
| A. | Wine |
| B. | Beer |
| C. | Lactic acid |
| D. | Cheese |
| Answer» C. Lactic acid | |
| 13567. |
Indicator of water pollution is: |
| A. | E. coli |
| B. | Chlorella |
| C. | Beggiatoa |
| D. | Ulothrix |
| Answer» B. Chlorella | |
| 13568. |
Secondary sludge uses: |
| A. | gravitational sedimentation |
| B. | primary clarifier |
| C. | non-biodegradable materials |
| D. | micro-organism to consume waste organic |
| Answer» E. | |
| 13569. |
The term?antibiotic? was coined by [MH-CET 2000; CBSE PMT 2003; BHU 2004; Pb. PMT 2004] |
| A. | Alexander fleming |
| B. | Edward Jenner |
| C. | Louis pasteur |
| D. | Selman Waksman |
| Answer» E. | |
| 13570. |
Immune activities defence mechanism for different diseases is known as |
| A. | Immune action |
| B. | Immune reaction |
| C. | First line of defence |
| D. | Immunity |
| Answer» E. | |
| 13571. |
Just as, there are pseudopodia in Amoeba, there are: |
| A. | Teeth in rabbit |
| B. | Suckers upon scolex of tapeworm |
| C. | Legs in cockroach |
| D. | Spicules in Leucosolenia |
| Answer» D. Spicules in Leucosolenia | |
| 13572. |
Put the following phrases in proper order to describe what occurs at the neuromuscular junction to trigger muscle contraction. (i) Receptor sites on sarcolemma. (ii) Nerve impulse (iii) Release of \[C{{a}^{+2}}\] from sarcoplasmic reticulum. (iv) The neurotransmitter acetylcholine is released. (v) Sarcomere shorten. (vi) Synaptic cleft. (vii) Spread of impulses over sarcolemma on T-tubules. |
| A. | (ii), (iv), (i), (vi), (vii), (iii), (v) |
| B. | (ii), (iv), (vi), (i), (vii), (iii), (v) |
| C. | (i), (ii), (iii), (iv), (v), (vi), (vii) |
| D. | (vii), (vi), (v), (iv), (iii), (ii), (i) |
| Answer» C. (i), (ii), (iii), (iv), (v), (vi), (vii) | |
| 13573. |
The given figure shows the diagrammatic cross sectional view of a muscle with their parts marked as 1, 2, 3 and 4. Which part is held together by a common collagenous connective tissue layer? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 13574. |
Which of the following sets of antagonistic muscles is incorrect? |
| A. | Flexor - Relaxor |
| B. | Abductor - Adductor |
| C. | Pronator - Supinator |
| D. | Levator - Depressor |
| Answer» B. Abductor - Adductor | |
| 13575. |
Which of the following joint is found between sternum and the ribs in humans? |
| A. | Angular joint |
| B. | Fibrous joint |
| C. | Cartilaginous joint |
| D. | Gliding joint |
| Answer» D. Gliding joint | |
| 13576. |
Cardiac muscles are different from that of skeletal muscles as the former are: |
| A. | Striated but involuntary. |
| B. | Non-striated and involuntary. |
| C. | Smooth or unstriated. |
| D. | Voluntary in action. |
| Answer» B. Non-striated and involuntary. | |
| 13577. |
Patella bone is derived from: |
| A. | Cartilage |
| B. | Areolar tissue |
| C. | Tendon |
| D. | Ligament |
| Answer» D. Ligament | |
| 13578. |
Which of the following statements about the molecular arrangement of actin and myosin in myofibrils is incorrect? (i) Each actin (thin filament) is made of 2F (filamentous) actins. (ii) F-actin is the polymer of G (globular) actin. (iii) 2F-actins are twisted into a-helix. (iv) Two strands of tropomyosin (protein) lie in the grooves of F-actin. (v) Troponin molecules (complex proteins) are distributed at regular intervals on the tropomysin. (vi) Troponin forms the head of the myosin molecule. (vii) The myosin is a polymerised protein. |
| A. | (i), (iii), (vii) |
| B. | (ii), (iv) and (v) |
| C. | Only (vi) |
| D. | Only (iii) |
| Answer» D. Only (iii) | |
| 13579. |
Before stimulating the release of calcium ions that causes muscle contraction in skeletal muscle, an action potential must pass through the: |
| A. | Sarcoplasmic reticulum |
| B. | T-tubules and Sarcoplasmic reticulum |
| C. | Plasma membrane and T-tubules |
| D. | Plasma membrane, T-tubules and Sarcoplasmic reticulum |
| Answer» D. Plasma membrane, T-tubules and Sarcoplasmic reticulum | |
| 13580. |
Smallest bone in the human body is: |
| A. | Stapes |
| B. | Malleus |
| C. | Patella |
| D. | Navicular bone |
| Answer» B. Malleus | |
| 13581. |
The given diagram shows a human skeleton. Which of the following correctly identifies the bones marked as 1, 2, 3 & 4? |
| A. | 1234TibiaFibulaRadiusUlna |
| B. | RadiusUlnaTibiaFibula |
| C. | UlnaRadiusTibiaFibula |
| D. | FibulaTibiaRadiusUlna |
| Answer» C. UlnaRadiusTibiaFibula | |
| 13582. |
Which of the following muscles draw the lower jaw, tongue and the head backward? |
| A. | Proctor |
| B. | Retractor |
| C. | Abductor |
| D. | All of these |
| Answer» C. Abductor | |
| 13583. |
A cricket player is chasing a fast ball in the field. Which one of the following groups of bones are directly contributing in this movement? |
| A. | Femur, malleus, tibia, metatarsals |
| B. | Pelvis, ulna, patella, tarsals |
| C. | Sternum, femur, tibia, fibula |
| D. | Tarsals, femur, metatarsals, tibia |
| Answer» E. | |
| 13584. |
Muscle contraction is triggered: |
| A. | When high levels of oxygen and sugar are released by the sarcolemma. |
| B. | When a surplus of ATP is released by a nerve motor unit. |
| C. | By release of a neurotransmitter at a synapse that directly causes actin and myosin to slide. |
| D. | By the nerve releasing a neurotransmitter, which triggers a flow of calcium that attaches to actin filaments and exposes the myosin binding sites. |
| Answer» E. | |
| 13585. |
A stronger muscle contraction occurs when the brain _______. |
| A. | Send signals to larger number of motor units to contract. |
| B. | Activates muscle cells more quickly. |
| C. | Activates the motor units of the muscle one at a time. |
| D. | Sends nerve impulses to the muscle one at a time instead of in bursts. |
| Answer» B. Activates muscle cells more quickly. | |
| 13586. |
The condition in which a number of nuclei are present in a muscle fibre is called: |
| A. | Coenocytic |
| B. | Syncytial |
| C. | Polykaryon |
| D. | Endoduplication |
| Answer» C. Polykaryon | |
| 13587. |
Latissimus dorsi muscles are: |
| A. | Muscles of fore arm |
| B. | Muscles of lower jaw |
| C. | Muscles of the chest |
| D. | Muscles of the shoulder |
| Answer» E. | |
| 13588. |
Match the name of bone given in column-I with their numbers given in column-II. ______ column-I column-II B. Wrist bones II. 2 pairs C. False ribs III. 12 A. Thoracic I. 8 D. Metatarsal IV. 3 pairs E. Skull(cranial & facial) V. 26 VI. 5 VII. 22 |
| A. | A-I; B-VI; C-II; D-V; E-III |
| B. | A-III; B-I; C-IV; D-VI; E-VII |
| C. | A-I; B-VII; C-III; D-V; E-II |
| D. | A-II; B-V; C-VII; D-I; E-IV |
| Answer» C. A-I; B-VII; C-III; D-V; E-II | |
| 13589. |
Long uninucleate muscles are found in: |
| A. | Diaphragm |
| B. | Alimentary canal |
| C. | Tongue |
| D. | Eye |
| Answer» C. Tongue | |
| 13590. |
In the given diagram of skull, what does "1" represent? |
| A. | Frontal bone |
| B. | Temporal bone |
| C. | Occipital bone |
| D. | Parietal bone |
| Answer» C. Occipital bone | |
| 13591. |
In the given figure of pelvic girdle of man, structure marked as 1, 2, 3, 4 and 5 represents: |
| A. | 1-Pubis, 2-Acetabulum, 3-llium, 4-Ischium, 5-Pubic symphysis |
| B. | 1-Ilium, 2-Acetabulum, 3-Pubis, 4-Ischium, 5-Pubic symphysis |
| C. | 1-Ischium, 2-Acetabulum, 3-Pubis, 4-Ilium, 5-Pubic symphysis |
| D. | 1-Ilium, 2-Pubis, 3-Acetabulum, 4-Pubic symphysis, 5-Ischium |
| Answer» C. 1-Ischium, 2-Acetabulum, 3-Pubis, 4-Ilium, 5-Pubic symphysis | |
| 13592. |
Joint between bones of human skull is: |
| A. | Hinge joint |
| B. | Synovial joint |
| C. | Cartilaginous joint |
| D. | Fibrous joint |
| Answer» E. | |
| 13593. |
Creatine phosphate is present in: |
| A. | Nervous tissue |
| B. | Connective tissue |
| C. | Muscles of vertebrates |
| D. | Muscles of invertebrates |
| Answer» D. Muscles of invertebrates | |
| 13594. |
Foramen magnum occurs on: |
| A. | Lateral side of skull |
| B. | Posterior side of skull |
| C. | Anterior side of skull |
| D. | Neural canal |
| Answer» C. Anterior side of skull | |
| 13595. |
Sprain is pulling of: |
| A. | Bone |
| B. | Ligament of muscles |
| C. | Cartilage |
| D. | All of these |
| Answer» C. Cartilage | |
| 13596. |
Phalangeal formula of hand of man is: |
| A. | 1, 2, 2, 2, 2 |
| B. | 2, 1, 1, 1, 1 |
| C. | 2, 3, 3, 3, 3 |
| D. | 2, 3, 3, 2, 2 |
| Answer» D. 2, 3, 3, 2, 2 | |
| 13597. |
Striated muscle fibres are found in; |
| A. | Urinary bladder |
| B. | Lungs |
| C. | Gallbladder |
| D. | Leg muscles |
| Answer» E. | |
| 13598. |
Which of the following would you not expect to find in both a skeletal muscle cell and a cardiac muscle cell? |
| A. | Actin filaments |
| B. | Myosin binding sites |
| C. | Potassium channels that close slowly after an action potential. |
| D. | Large numbers of mitochondria |
| Answer» D. Large numbers of mitochondria | |
| 13599. |
Intercostal muscles occur in: |
| A. | Abdomen |
| B. | Thigh |
| C. | Ribs |
| D. | Diaphragm |
| Answer» D. Diaphragm | |
| 13600. |
Pneumatic bones are .found in: |
| A. | House lizard |
| B. | Pigeon |
| C. | Flying fish |
| D. | Frog's tadpole |
| Answer» C. Flying fish | |