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.
| 2451. |
A modification of the following is a sucking structure |
| A. | Pneumatophores |
| B. | Climbing roots |
| C. | Assimilatory roots |
| D. | Haustorial roots |
| Answer» E. | |
| 2452. |
In orchids which of the following types of roots are found [AMU 1991] |
| A. | Tuberous roots |
| B. | Assimilatory roots |
| C. | Respiratory roots |
| D. | Pneumatophores |
| Answer» C. Respiratory roots | |
| 2453. |
Respiratory roots are found in |
| A. | Sonneratia and Heritiera |
| B. | Trapa |
| C. | Rhizophores |
| D. | Eichhornia |
| Answer» B. Trapa | |
| 2454. |
Aerial absorptive roots occur in [Orissa JEE 1995] |
| A. | Epiphytes |
| B. | Mesophytes |
| C. | Hydrophytes |
| D. | Xerophytes |
| Answer» B. Mesophytes | |
| 2455. |
A rootless angiosperm is |
| A. | Cuscuta |
| B. | Balanosphora |
| C. | Utricularia |
| D. | All of these |
| Answer» E. | |
| 2456. |
Climbing roots occur in [APMEE 1996; CBSE PMT 1999] |
| A. | Vanilla |
| B. | Vanda |
| C. | Pongamia |
| D. | Taeniophyllum |
| Answer» B. Vanda | |
| 2457. |
Which is not a product of root [CPMT 1993] |
| A. | Sugarbeet |
| B. | Carrot |
| C. | Radish |
| D. | Potato |
| Answer» E. | |
| 2458. |
Sweet potato is modification of [CPMT 1978, 80; AIIMS 1984; J & K CET 2005] |
| A. | Leaf |
| B. | Root |
| C. | Stem |
| D. | Flowering axis |
| Answer» C. Stem | |
| 2459. |
Roots developing from plant parts other than radicle are [AFMC 1994; CET Chd. 1997; Haryana PMT 2005] |
| A. | Epiphyllous |
| B. | Epicaulous |
| C. | Adventitious |
| D. | Fibrous |
| Answer» D. Fibrous | |
| 2460. |
Climbing roots are present in [NCERT 1983] |
| A. | Loranthus |
| B. | Curcuma amada |
| C. | Rose |
| D. | Piper betle |
| Answer» E. | |
| 2461. |
Epiphytic roots occur in [NCERT 1982] |
| A. | Rhizophora |
| B. | Trapa |
| C. | Vanda |
| D. | Asparagus |
| Answer» D. Asparagus | |
| 2462. |
Roots are used in vegetative propagation in [AMU 1989] |
| A. | Potato |
| B. | Sweet potato |
| C. | Ginger |
| D. | Onion |
| Answer» C. Ginger | |
| 2463. |
Which modification of root does not store food [AMU 1987] |
| A. | Tuberous |
| B. | Napiform |
| C. | Conical |
| D. | Stilt |
| Answer» E. | |
| 2464. |
Leguminous plants possess [RPMT 1993] |
| A. | Napiform roots |
| B. | Nodulated roots |
| C. | Tuberous roots |
| D. | Fusiform roots |
| Answer» C. Tuberous roots | |
| 2465. |
Edible part of Sweet potato is |
| A. | Stem tuber |
| B. | Unripe fruit |
| C. | Adventitious root tuber |
| D. | Rhizome |
| Answer» D. Rhizome | |
| 2466. |
Prolongation of radicle gives rise to [Bihar PMT 1980; AMU 1986] |
| A. | Fibrous root system |
| B. | Primary root |
| C. | Stilt root |
| D. | Pillar root |
| Answer» C. Stilt root | |
| 2467. |
In maize, the fibrous roots develop from [AFMC 1981, 89; JIPMER 1986] |
| A. | Lower nodes |
| B. | Upper nodes |
| C. | Upper internodes |
| D. | None of the above |
| Answer» B. Upper nodes | |
| 2468. |
In Ipomoea batatas/Sweet potato the food is stored in [CPMT 1983; BHU 1986, 89; Bihar PMT 1994; JKCMEE 2002] |
| A. | Root tuber |
| B. | Stem tuber |
| C. | Bud |
| D. | Leaves |
| Answer» B. Stem tuber | |
| 2469. |
Pneumatophores occur in plants of [CBSE PMT 2000] |
| A. | Sandy soil |
| B. | Saline marshy soil |
| C. | Marshy soil |
| D. | Water |
| Answer» D. Water | |
| 2470. |
Bacteria found in root nodules of legumes are [CPMT 1998; DPMT 2002] |
| A. | Nitrobacter |
| B. | Nitrosomonas |
| C. | Rhizobium |
| D. | Azotobacter |
| Answer» D. Azotobacter | |
| 2471. |
Clinging and epiphytic roots are found in [RPMT 1991; CBSE PMT 1999] |
| A. | Orchid |
| B. | Tinospora / Trapa |
| C. | Rhizophora / Pandanus |
| D. | Pothos / Podostemon |
| Answer» B. Tinospora / Trapa | |
| 2472. |
Monocot plants are characterised by the presence of [J & K CET 2005] |
| A. | Tap roots |
| B. | Fibrous roots |
| C. | Annulated roots |
| D. | Stilt roots |
| Answer» C. Annulated roots | |
| 2473. |
The root that never does primary function is |
| A. | Nodulated root of gram |
| B. | Conical roots of carrot |
| C. | Buttress roots of Ficus |
| D. | Stilt root of maize |
| Answer» E. | |
| 2474. |
Root bears |
| A. | Nodes only |
| B. | Internodes only |
| C. | Both nodes and internodes |
| D. | None of these |
| Answer» E. | |
| 2475. |
Assimilatory (Photosynthetic) roots a characteristic of [Kerala CET 2000] |
| A. | Trapa and Tinospora |
| B. | Taeniophyllum and Podostemon |
| C. | Both correct |
| D. | None of these |
| Answer» D. None of these | |
| 2476. |
Stilt roots are reported from [Bihar PMT 1994; BHU 1996; Orissa JEE 1997] |
| A. | Pandanus |
| B. | Radish |
| C. | Mango-ginger |
| D. | Bryophyllum |
| Answer» B. Radish | |
| 2477. |
Primary root and its branches constitute |
| A. | Adventitious root system |
| B. | Tap root system |
| C. | Fibrous roots |
| D. | Seminal roots |
| Answer» C. Fibrous roots | |
| 2478. |
Important use of which of the following is as a lubricant |
| A. | Helianthus annus |
| B. | Carthamus tinctorious |
| C. | Ricinus communis |
| D. | Cocos nucifera |
| Answer» D. Cocos nucifera | |
| 2479. |
Glycerine is obtained from |
| A. | Bagasse |
| B. | Molasses |
| C. | Filter mud |
| D. | All the above |
| Answer» C. Filter mud | |
| 2480. |
Sugarcane research institute, Coimbatore has developed red rot resistant varieties as |
| A. | Co - 421 |
| B. | Co - 419 |
| C. | Co - 527 |
| D. | All the above |
| Answer» D. All the above | |
| 2481. |
Palm sugar is obtained from |
| A. | Phoenix sylvestris |
| B. | Borassus flabellifer |
| C. | Caryota urens |
| D. | All the above |
| Answer» E. | |
| 2482. |
Lime, \[C{{O}_{2}}\] and \[S{{O}_{2}}\] is used for purification of juice of |
| A. | Sugarcane |
| B. | Beta vulgaris |
| C. | Both a and b |
| D. | None of the above |
| Answer» D. None of the above | |
| 2483. |
What is the botanical name of sugarcane [MP PMT 2001] |
| A. | Saccharum munja |
| B. | Saccharum spontaneum |
| C. | Saccharum berberi |
| D. | Saccharum officinarum |
| Answer» E. | |
| 2484. |
Hevea braziliensis is a source of [MP PMT 1996] |
| A. | Rubber |
| B. | Spice |
| C. | Beverage |
| D. | Dye |
| Answer» B. Spice | |
| 2485. |
Sugar obtained from sugarcane and sugarbeet is [MHCET 2001] |
| A. | Glucose |
| B. | Fructose |
| C. | Galactose |
| D. | Sucrose |
| Answer» E. | |
| 2486. |
Highest crop of sugarcane is grown in the world in [CPMT 1996] |
| A. | India |
| B. | Pakistan |
| C. | America |
| D. | Australia |
| Answer» B. Pakistan | |
| 2487. |
Axillary buds are used to raise crop of [MP PMT 1995] |
| A. | Wheat |
| B. | Rice |
| C. | Groundnut |
| D. | Sugarcane |
| Answer» E. | |
| 2488. |
Central Sugarcane Breeding Research Institute' is situated at [MP PMT 1995; MP PMT 1997] |
| A. | Lucknow |
| B. | Delhi |
| C. | Coimbatore |
| D. | Bhopal |
| Answer» D. Bhopal | |
| 2489. |
Sugar yielding part of sugarcane is |
| A. | Leaf |
| B. | Root |
| C. | Stem |
| D. | All the above |
| Answer» D. All the above | |
| 2490. |
Sugarcane juice contains [CPMT 1992] |
| A. | Sucrose only |
| B. | Sucrose + maltose |
| C. | Sucrose + pactose |
| D. | Sucrose + lactose |
| Answer» B. Sucrose + maltose | |
| 2491. |
Heeng of commerce is obtained from Ferula asafoetida (Umbelliferae) is a [BHU 1989; DPMT 1990] |
| A. | Stomach of deer |
| B. | Waste petroleum product |
| C. | Resinous exudate of root |
| D. | Diatoms |
| Answer» D. Diatoms | |
| 2492. |
Which state in India is the largest producer of sugarcane [MP PMT 1989, 91, 2002; CBSE PMT 1991] |
| A. | Bihar |
| B. | Andhra Pradesh |
| C. | Punjab |
| D. | Uttar Pradesh |
| Answer» E. | |
| 2493. |
Major source of sugar in the world is [MP PMT 1989, 99] |
| A. | Watermelon |
| B. | Beet root |
| C. | Sugarcane |
| D. | Dates |
| Answer» C. Sugarcane | |
| 2494. |
Beet root belongs to family [BHU 1985] |
| A. | Chenopodiaceae |
| B. | Apocynaceae |
| C. | Asclepiadaceae |
| D. | Cruciferae |
| Answer» B. Apocynaceae | |
| 2495. |
Pyrilla perpusila is common pest on [AMU 1986] |
| A. | Rice |
| B. | Wheat |
| C. | Pulses |
| D. | Sugarcane |
| Answer» E. | |
| 2496. |
Hevea yields [BHU 1983] |
| A. | Bast resin (latex) |
| B. | Soft fibre |
| C. | Delicious soft drink |
| D. | Strong fibre |
| Answer» B. Soft fibre | |
| 2497. |
Which of the following is a latex based alkaloid [CPMT 1976; JIPMER 1983] |
| A. | Atropine from Atropa |
| B. | Daturin from Datura |
| C. | Ephedrine from Ephedra |
| D. | Morphine from Opium |
| Answer» E. | |
| 2498. |
Sugarcane is cultivated through |
| A. | True seeds |
| B. | Vegetative propagules |
| C. | Through leaf |
| D. | By root cutting |
| Answer» C. Through leaf | |
| 2499. |
Co-419 and Co-527 are improved varieties of |
| A. | Wheat |
| B. | Rice |
| C. | Cotton |
| D. | Sugarcane |
| Answer» E. | |
| 2500. |
Canesugar is obtained from genus |
| A. | Saccharum officinales |
| B. | Beta vulgaris |
| C. | Acer saccharum |
| D. | All the above |
| Answer» B. Beta vulgaris | |