MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Indian bull frog is found in |
| A. | Ponds |
| B. | Streams |
| C. | Shallow lakes |
| D. | All of these |
| Answer» E. | |
| 2. |
The adult frog is |
| A. | Carnivorous |
| B. | Herbivorous |
| C. | Omnivorous |
| D. | None of these |
| Answer» B. Herbivorous | |
| 3. |
One of the main functions of frog's skin is [CBSE PMT 1991] |
| A. | Diffusion of respiratory gases |
| B. | Absorption of ultraviolet rays to produce vitamin D |
| C. | Storage of excess food in the form of subcutaneous fat |
| D. | Excretion of nitrogenous waste in the form of uric acid |
| Answer» B. Absorption of ultraviolet rays to produce vitamin D | |
| 4. |
Chromatophores in skin of frog found in stratum [CBSE PMT 1992, 93] |
| A. | Corneum |
| B. | Compactum |
| C. | Germinativum |
| D. | Mostly spongiosum |
| Answer» E. | |
| 5. |
Mucus helps frog in making [CBSE PMT 1993] |
| A. | Dry skin |
| B. | Moist skin |
| C. | Rough skin |
| D. | Thick skin |
| Answer» C. Rough skin | |
| 6. |
In the buccal cavity of frog the internal nares are |
| A. | One |
| B. | Two |
| C. | Fused |
| D. | Absent |
| Answer» C. Fused | |
| 7. |
The number of fingers in the hindlimb of frog is [AFMC 1991] |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» C. 6 | |
| 8. |
Metamorphosis in frog can be promoted by |
| A. | Iodine |
| B. | Chlorine |
| C. | Phosphorus |
| D. | Calcium |
| Answer» B. Chlorine | |
| 9. |
A common cloacal aperture is found in |
| A. | Rana |
| B. | Nereis |
| C. | Rabbit |
| D. | Pheretima |
| Answer» B. Nereis | |
| 10. |
The opening of rectum in frog is called [CBSE PMT 2000] |
| A. | Vestibule |
| B. | Cloaca |
| C. | Coccyx |
| D. | None of the above |
| Answer» C. Coccyx | |
| 11. |
Neck is absent in frog. This helps frog in |
| A. | Respiration |
| B. | Catching prey |
| C. | Jumping on ground |
| D. | Swimming in water |
| Answer» D. Swimming in water | |
| 12. |
The body of frog is divisible into |
| A. | Head and trunk |
| B. | Head, neck and trunk |
| C. | Head, neck, trunk and tail |
| D. | Head, neck, thorax, abdomen tail |
| Answer» B. Head, neck and trunk | |
| 13. |
Male frogs can croak louder than females because being [CPMT 1991] |
| A. | Vocal sacs |
| B. | Stronger |
| C. | Larger in size |
| D. | Larger sound box |
| Answer» C. Larger in size | |
| 14. |
Crocking of frog is [AIIMS 1996; EAMCET 1999] |
| A. | Hunger call |
| B. | Danger call |
| C. | Musical tone |
| D. | Sex call for female |
| Answer» E. | |
| 15. |
Female frog |
| A. | Does not croak |
| B. | Croaks slower and rarer |
| C. | Croaks hoarser, deeper and louder |
| D. | None of the above |
| Answer» C. Croaks hoarser, deeper and louder | |
| 16. |
Why frog suitable for class room studies |
| A. | It is easy to collect and inexpensive |
| B. | Its size is convenient for dissection |
| C. | It is nonpoisonous |
| D. | All the above |
| Answer» E. | |
| 17. |
The development of frog is |
| A. | Direct |
| B. | Indirect |
| C. | Parthenogenetic |
| D. | None of these |
| Answer» C. Parthenogenetic | |
| 18. |
The summer sleep of frog is termed as |
| A. | Neoteny |
| B. | Aestivation |
| C. | Paedogenesis |
| D. | Hibernation |
| Answer» C. Paedogenesis | |
| 19. |
Frogs and toads belong to the order [Orissa JEE 1995] |
| A. | Anura |
| B. | Apoda |
| C. | Caudata |
| D. | Gymnophiona |
| Answer» B. Apoda | |
| 20. |
The number of mitochondria increases in cells of [MP PMT 1997] |
| A. | Dormant seeds |
| B. | Germinating seeds |
| C. | Dry seeds |
| D. | Dead seeds |
| Answer» C. Dry seeds | |
| 21. |
\[{{F}_{1}}\]particles / oxysome/ elementary particles are present in [RPMT 1995; CPMT 1999; AFMC 1999; JIPMER 2001; MHCET 2004; Orissa JEE 2004; AIEEE 2004] |
| A. | Endoplasmic reticulum |
| B. | Chloroplast |
| C. | Mitochondria |
| D. | Golgi complex |
| Answer» D. Golgi complex | |
| 22. |
Mitochondria are related to [MP PMT 1999] |
| A. | Prokaryotes |
| B. | Plasmids |
| C. | Plastids |
| D. | Viruses |
| Answer» D. Viruses | |
| 23. |
Prokaryotic origin of mitochondria was proposed by [Pune CET 1998] |
| A. | Rabinowitch |
| B. | Altmann and Schimper |
| C. | Salton |
| D. | Morrison |
| Answer» C. Salton | |
| 24. |
Rackers particles are found in [Manipal 2005] |
| A. | Chromosome |
| B. | Mitochondria |
| C. | Nucleus |
| D. | Golgibody |
| Answer» C. Nucleus | |
| 25. |
The "power house" of a cell is ... [KCET 2004] |
| A. | Mitochondrion |
| B. | Lysosome |
| C. | Ribososme |
| D. | Golgi complex |
| Answer» B. Lysosome | |
| 26. |
Folding of inner membrane of mitochondria are called [MHCET 2004; MP PMT 2004, 05] |
| A. | Cristae |
| B. | Grana |
| C. | Calcium oxalate crystals |
| D. | Sacs |
| Answer» B. Grana | |
| 27. |
Organelles which are regarded as 'Power house' of the cell and in which the oxidative reactions of the respiratory process takes place are [MP PMT 2004] |
| A. | Chloroplast |
| B. | Ribosomes |
| C. | Endoplasmic reticulum |
| D. | Mitochondria |
| Answer» E. | |
| 28. |
DNA is present in [MP PMT 1996; AIIMS 2004] |
| A. | Carboxysomes |
| B. | Ribosomes |
| C. | Lysosomes |
| D. | Mitochondria and chloroplast |
| Answer» E. | |
| 29. |
Mitochondria are numerous and densely packed in |
| A. | Inactive tissues |
| B. | Less active tissues |
| C. | Very active tissues |
| D. | Damaged tissues |
| Answer» D. Damaged tissues | |
| 30. |
Percentage of mitochondrial DNA in the cells is |
| A. | 10% of total cellular DNA |
| B. | 1% of total cellular DNA |
| C. | 2.5% of total cellular DNA |
| D. | None of the above |
| Answer» C. 2.5% of total cellular DNA | |
| 31. |
The presence of DNA in mitochondria and chloroplast supports the hypothesis that [CPMT 1989; J&K CET 2002] |
| A. | Mitochondria and chloroplast both originated as independent free living organisms |
| B. | Glycolysis occurs in mitochondria and chloroplast both |
| C. | ATP is produced in mitochondria and chloroplast both |
| D. | Mitochondria and chloroplast undergo meiosis and mitosis independent of nucleus |
| Answer» B. Glycolysis occurs in mitochondria and chloroplast both | |
| 32. |
The size of mitochondrion is [CPMT 1972, 80] |
| A. | \[5-10\mu \] |
| B. | \[50-100\mu \] |
| C. | \[0.5-1.0\mu \] |
| D. | \[150-300\mu \] |
| Answer» D. \[150-300\mu \] | |
| 33. |
Which of the following cell organelle is considered to be rich in catabolic enzymes [JIPMER 1987; DPMT 1990, 2003; Pb. PMT 1999; MP PMT 2002; CPMT 2002] |
| A. | Endoplasmic reticulum |
| B. | Lysosome |
| C. | Golgi body |
| D. | Mitochondria |
| Answer» E. | |
| 34. |
Mitochondria are the site for [MP PMT 1996] |
| A. | Photophosphorylation |
| B. | Oxidative phosphorylation |
| C. | Transpiration |
| D. | Carboxylation |
| Answer» C. Transpiration | |
| 35. |
Which of the following is present in mitochondria [MP PMT 2002] |
| A. | Polysome |
| B. | Monosome |
| C. | Quantasome |
| D. | Oxysome |
| Answer» E. | |
| 36. |
In which of the following parts of mitochondria, succinic dehydrogenase enzyme is located [DPMT 1987] |
| A. | Outer membrane |
| B. | Inner membrane |
| C. | Perimitochondrial space |
| D. | Matrix |
| Answer» C. Perimitochondrial space | |
| 37. |
Mesosomes were taken as |
| A. | Golgi bodies |
| B. | Plastids |
| C. | Mitochondria |
| D. | Endoplasmic reticulum |
| Answer» D. Endoplasmic reticulum | |
| 38. |
Which of the following is correct pair [CBSE PMT 1993] |
| A. | DNA synthesis - Ribosomes |
| B. | Protein synthesis - Smooth E.R. |
| C. | Aerobic respiration - Cristae |
| D. | Suicidal sacs - Dictyosomes |
| Answer» D. Suicidal sacs - Dictyosomes | |
| 39. |
Single mitochondrion is found in [CPMT 1980] |
| A. | Microsteria |
| B. | Rhizopus |
| C. | Nostoc |
| D. | Ulothrix |
| Answer» B. Rhizopus | |
| 40. |
ATP is formed in [Haryana PMT 1999] |
| A. | Mitochondria |
| B. | Nucleus |
| C. | Nucleolus |
| D. | Ribosomes |
| Answer» B. Nucleus | |
| 41. |
Function of mitochondria is [DPMT 1982, 85; Manipal 1995] |
| A. | To provide CoA |
| B. | To synthesize PGA |
| C. | To release energy during respiration |
| D. | All the above |
| Answer» D. All the above | |
| 42. |
The reaction of ATP formation is [CPMT 1979] |
| A. | Exergonic |
| B. | Endergonic |
| C. | Spontaneous |
| D. | Reversible |
| Answer» C. Spontaneous | |
| 43. |
Centre of phosphorylation [AFMC 2000] |
| A. | Peroxisome |
| B. | Oxysome |
| C. | Ribosome |
| D. | Mitochondria |
| Answer» C. Ribosome | |
| 44. |
First plant cell in which mitochondria were observed |
| A. | Lily |
| B. | Nymphea |
| C. | Nelumbium |
| D. | Nerium |
| Answer» C. Nelumbium | |
| 45. |
Respiratory enzymes are present in [AFMC 1985; CPMT 2001] |
| A. | Mitochondria |
| B. | Chloroplasts |
| C. | Golgi bodies |
| D. | Lysosomes |
| Answer» B. Chloroplasts | |
| 46. |
Which organelle has electron transport system |
| A. | Ribosomes |
| B. | Sphaerosomes |
| C. | Mitochondria |
| D. | Lysosomes |
| Answer» D. Lysosomes | |
| 47. |
Mitochondria are usually found in |
| A. | Reproductive cells |
| B. | Vegetative cells |
| C. | Both reproductive and vegetative cells |
| D. | None of these |
| Answer» D. None of these | |
| 48. |
Mitochondria supply most of the necessary biological energy by [MP PMT 1994] |
| A. | Breaking down of sugar |
| B. | Oxidizing substrates of TCA cycle |
| C. | Reducing NADP |
| D. | Breaking down of protein |
| Answer» C. Reducing NADP | |
| 49. |
The mitochondrial DNA differs from the nuclear DNA because of |
| A. | Being linear |
| B. | Having A = T and C - G |
| C. | Lacking binding histones |
| D. | Being highly twisted |
| Answer» D. Being highly twisted | |
| 50. |
The proteins, forming the membranes of mitochondria are called |
| A. | Mitochondrial proteins |
| B. | Structural proteins |
| C. | Skeletal proteins |
| D. | All the above |
| Answer» C. Skeletal proteins | |