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.
| 2501. |
Roots of Beta are |
| A. | Fusiform |
| B. | Nepiform |
| C. | Conical |
| D. | None of the above |
| Answer» C. Conical | |
| 2502. |
Saccharum officinarum yields |
| A. | Glucose |
| B. | Fructose |
| C. | Sucrose |
| D. | Galactose |
| Answer» D. Galactose | |
| 2503. |
Major source of sugar in Europe and India is respectively |
| A. | Sugarcane |
| B. | Sugarcane and beet root |
| C. | Date palm and sugarcane |
| D. | Beet root and sugarcane |
| Answer» E. | |
| 2504. |
SBRI was established in |
| A. | 1810 |
| B. | 1912 |
| C. | 1937 |
| D. | 1947 |
| Answer» C. 1937 | |
| 2505. |
Dry fibrous residue left after the extraction of sugar from sugarcane is |
| A. | Cane |
| B. | Molasses |
| C. | Bagasse |
| D. | Pulp |
| Answer» D. Pulp | |
| 2506. |
Which of the following is not a variety of sugarcane |
| A. | BO - 11 |
| B. | CO - 419 |
| C. | HM - 320 |
| D. | CC - 464 |
| Answer» E. | |
| 2507. |
The annual rainfall required for sugarcane crop is |
| A. | 100 cm |
| B. | 200 cm |
| C. | 250 cm |
| D. | None of the above |
| Answer» D. None of the above | |
| 2508. |
Sugarcane cultivated in a region with temperature ranging between |
| A. | \[10-20{}^\circ C\] |
| B. | \[20-25{}^\circ C\] |
| C. | \[25-30{}^\circ C\] |
| D. | \[30-40{}^\circ C\] |
| Answer» C. \[25-30{}^\circ C\] | |
| 2509. |
Asexual reproduction takes place in |
| A. | Higher animals |
| B. | Lower animals |
| C. | Plants |
| D. | All the above |
| Answer» C. Plants | |
| 2510. |
Common method of asexual reproduction is by |
| A. | Regeneration |
| B. | Budding |
| C. | Archeocytes |
| D. | Gemmulation |
| Answer» C. Archeocytes | |
| 2511. |
The polyestrous mammal is [CPMT 1988] |
| A. | Man |
| B. | Rabbit |
| C. | Cat |
| D. | Horse |
| Answer» E. | |
| 2512. |
In sexual reproduction, offsprings resemble the parents |
| A. | Structurally but not functionally |
| B. | Functionally but not structurally |
| C. | Both structurally and functionally |
| D. | Neither structurally nor functionally |
| Answer» C. Both structurally and functionally | |
| 2513. |
A person which shows the secondary sexual characters of both male and female is called [CBSE PMT 1996; BHU 1999] |
| A. | Intersex |
| B. | Hermaphrodite |
| C. | Bisexual |
| D. | Gynandromorph |
| Answer» E. | |
| 2514. |
In all the methods of asexual reproduction |
| A. | Offsprings produced are genetically identical to the parents |
| B. | Offsprings produced are genetically different from the parents |
| C. | Offsprings produced may or may not be identical to the parents |
| D. | None of the above |
| Answer» B. Offsprings produced are genetically different from the parents | |
| 2515. |
Natural parthenogenesis occurs in [BHU 1995, 2004] |
| A. | Frog to form female |
| B. | Honeybee to produce drones |
| C. | Cockroach |
| D. | Vegetarian eggs |
| Answer» C. Cockroach | |
| 2516. |
Haploid parthenogenesis among insects is shown by order |
| A. | Hymenoptera |
| B. | Homoptera |
| C. | Coleoptera |
| D. | All the above |
| Answer» D. All the above | |
| 2517. |
In Earthworms, self fertilization does not occur due to [BVP 2000] |
| A. | Hypogyny |
| B. | Protogyny |
| C. | Protandry |
| D. | Epigyny |
| Answer» D. Epigyny | |
| 2518. |
Eutherian mammals are [BVP 2002] |
| A. | Oviparous |
| B. | Viviparous |
| C. | Ovoviviparous |
| D. | Both [a] and [c] |
| Answer» C. Ovoviviparous | |
| 2519. |
Arrhenotoky is related to [Orissa JEE 2004] |
| A. | Parthenogenesis |
| B. | Wax formation |
| C. | Both [a] and [b] |
| D. | None of these |
| Answer» B. Wax formation | |
| 2520. |
Drones in a colony of honey bees originate by [BHU 2002] |
| A. | Thelytoky |
| B. | Arrhenotoky |
| C. | Cyclic parthenogenesis |
| D. | Diploid parthenogenesis |
| Answer» C. Cyclic parthenogenesis | |
| 2521. |
Which of the following shows the sexual dimorphism [RPMT 2001] |
| A. | Hydra and Ascaris |
| B. | Hydra and Oryctolagus |
| C. | Ascaris and Pheretima |
| D. | Ascaris and Oryctolagus |
| Answer» E. | |
| 2522. |
Which is mode of reproduction in Amoeba [RPMT 2001] |
| A. | Binary fission only |
| B. | Binary fission and multiple fission |
| C. | Binary fission and conjugation |
| D. | Multiple fission only |
| Answer» C. Binary fission and conjugation | |
| 2523. |
Which type of reproduction is found in Hydra [RPMT 2000] |
| A. | Polyembryony |
| B. | Sexual and asexual |
| C. | Parthenogenesis |
| D. | Encystment |
| Answer» C. Parthenogenesis | |
| 2524. |
The croaking sounds made by frogs is [CPMT 2000] |
| A. | Hunger call |
| B. | Just a musical note |
| C. | Signaling call of danger |
| D. | Sex call for female partner |
| Answer» E. | |
| 2525. |
Fertilization is internal in [MP PMT 2000] |
| A. | Toads |
| B. | Frogs |
| C. | Dog fish |
| D. | Cat fish |
| Answer» D. Cat fish | |
| 2526. |
Differentiation in morphology of the two sexes of the same species is called |
| A. | Hermaphrodite |
| B. | Heteromorphosis |
| C. | Sexual dimorphism |
| D. | Unisexual |
| Answer» D. Unisexual | |
| 2527. |
An alternation of asexual and sexual generations where both the generations are diploid and the haploid stage is represented only by the gametes is called |
| A. | Alternation of generation |
| B. | Metagenesis |
| C. | Paedogenesis |
| D. | Parthenogenesis |
| Answer» C. Paedogenesis | |
| 2528. |
As a result of binary fission number of individuals produced by one fission is |
| A. | Two |
| B. | Three |
| C. | Four |
| D. | Five |
| Answer» B. Three | |
| 2529. |
Which are exclusively viviparous [AFMC 1986] |
| A. | Bony fishes |
| B. | Cartilaginous fishes |
| C. | Sharks |
| D. | Whales |
| Answer» E. | |
| 2530. |
During constructive metabolism or regeneration |
| A. | pH becomes normal |
| B. | R.Q. increases |
| C. | Decreases in lactic acid |
| D. | All the above |
| Answer» E. | |
| 2531. |
Healing of cuts and wounds is |
| A. | Repair |
| B. | Regeneration |
| C. | Dedifferentiation |
| D. | Growth |
| Answer» B. Regeneration | |
| 2532. |
The steps involved in cellular growth is/are |
| A. | Cell division |
| B. | Cell enlargement |
| C. | Cell differentiation and maturation |
| D. | All of the above |
| Answer» E. | |
| 2533. |
Restorative regeneration is |
| A. | A regular process in which the dead and worn out cells of some organs are continuously replaced by new cells |
| B. | Formation of a new organism from a piece of the body of the parent |
| C. | Healing of wounds |
| D. | All the above |
| Answer» B. Formation of a new organism from a piece of the body of the parent | |
| 2534. |
The repair by cell division in the damaged tissue is |
| A. | Epimorphosis regeneration |
| B. | Morphallaxis regeneration |
| C. | Exponential growth |
| D. | Deaccelerating growth |
| Answer» B. Morphallaxis regeneration | |
| 2535. |
Blastema formation takes place in |
| A. | Epimorphosis type of regeneration |
| B. | Morphallaxis type of regeneration |
| C. | Exponential growth |
| D. | Deaccelerating growth |
| Answer» B. Morphallaxis type of regeneration | |
| 2536. |
Based on cellular mechanisms there are two major types of regeneration found in the animals. which one of the following is the correct example of the type mentioned [AIIMS 2005] |
| A. | Morphallaxis - Regeneration of two transversely cut equal pieces of a Hydra into two small Hydras. |
| B. | Epimorphosis - Regeneration of old and dead erythrocytes by the new ones. |
| C. | Morphallaxis - Healing up of a wound in the skin. |
| D. | Epimorphosis - Regeneration of curshed and filtered out pieces of a planaria into as many new planarians. |
| Answer» B. Epimorphosis - Regeneration of old and dead erythrocytes by the new ones. | |
| 2537. |
The damaged leg is not regenerated in |
| A. | Salamander |
| B. | Frog's tadpole |
| C. | Frog |
| D. | Crab |
| Answer» D. Crab | |
| 2538. |
In echinodermata, the following organs can be regenerated |
| A. | Arms and disc |
| B. | Digestive system |
| C. | Eyes |
| D. | Pedicillaria |
| Answer» B. Digestive system | |
| 2539. |
R.Q. is defined as |
| A. | Ratio between\[C{{O}_{2}}\]liberated and\[{{O}_{2}}\]taken |
| B. | Volume of oxygen taken |
| C. | Volume of carbon dioxide liberated |
| D. | Ratio between oxygen taken and fat utilized |
| Answer» B. Volume of oxygen taken | |
| 2540. |
The value of RQ at compensation point is |
| A. | Unity |
| B. | Infinity |
| C. | > 1 |
| D. | Zero |
| Answer» E. | |
| 2541. |
What is the value of RQ of castor seeds, if the imaginary values of Ganong's respirometer are as follows (i) First rise of saline = 10 ml (ii) Second rise of saline after adding KOH = 30 ml |
| A. | 0.33 |
| B. | 0.75 |
| C. | 0.85 |
| D. | 3 |
| Answer» C. 0.85 | |
| 2542. |
Which causes RQ to vary |
| A. | Respiratory substrate |
| B. | Light and\[{{O}_{2}}\] |
| C. | Respiratory product |
| D. | Temperature |
| Answer» B. Light and\[{{O}_{2}}\] | |
| 2543. |
Which knowledge is obtained by knowing the value of R.Q. |
| A. | Type of substrate |
| B. | Number of ATP produced |
| C. | Type of intermediate products formed |
| D. | None of the above |
| Answer» B. Number of ATP produced | |
| 2544. |
R.Q. in anaerobic respiration is [Jipmer 1998; Wardha 2005] |
| A. | 0 |
| B. | \[\propto \] |
| C. | 1 |
| D. | > 1 |
| Answer» C. 1 | |
| 2545. |
Respiratory quotient of carbohydrate is [Bihar 2005] |
| A. | Unity |
| B. | Grater than unity |
| C. | Less than unit |
| D. | Equal to five |
| Answer» B. Grater than unity | |
| 2546. |
RQ (respiratory quotient) is defined as [DPMT 2004] |
| A. | Volume of \[C{{O}_{2}}\] evolved = volume of \[{{O}_{2}}\] consumed |
| B. | \[\frac{\text{Volume}\,\text{of}\,{{O}_{2}}\,\text{consumed}}{\text{Volume}\,\text{of}\,C{{O}_{2}}\,\text{evolved}}\] |
| C. | \[\frac{\text{Volume}\,\text{of}\,C{{O}_{2}}\,\text{evolved}}{\text{Volume}\,\text{of}\,{{O}_{2}}\,\text{consumed}}\] |
| D. | \[\frac{\text{Volume}\,\text{of}\,{{O}_{2}}\,\text{evolved}}{\text{Volume}\,\text{of}\,C{{O}_{2}}\,\text{consumed}}\] |
| Answer» D. \[\frac{\text{Volume}\,\text{of}\,{{O}_{2}}\,\text{evolved}}{\text{Volume}\,\text{of}\,C{{O}_{2}}\,\text{consumed}}\] | |
| 2547. |
R.Q. is more than one in case of [MP PMT 2000] |
| A. | Fat |
| B. | Fructose |
| C. | Glucose |
| D. | Organic acid |
| Answer» E. | |
| 2548. |
With which of the following fatty acid value of R.Q. is one |
| A. | Acetic acid |
| B. | Oleic acid |
| C. | Stearic acid |
| D. | Palmitic acid |
| Answer» B. Oleic acid | |
| 2549. |
R.Q. of maleic acid is [RPMT 1995] |
| A. | 0.7 |
| B. | 1 |
| C. | 1.33 |
| D. | 4 |
| Answer» D. 4 | |
| 2550. |
In germinating castor seeds, the R.Q. is [MP PMT 1990; BHU 1995, 2003; CBSE PMT 2002; MHCET 2003] |
| A. | One |
| B. | More than one |
| C. | Less than one |
| D. | Zero |
| Answer» D. Zero | |