MCQOPTIONS
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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.
| 2351. |
Knots in stems are formed due to [DPMT 1980, 86; MP PMT 1984; BHU 1988] |
| A. | Tumors formed due to bacterial infection of wounds |
| B. | Outgrowth of seconday tissue over wounds |
| C. | Injury caused by insects |
| D. | None of the above |
| Answer» C. Injury caused by insects | |
| 2352. |
Which would do maximum harm to a tree? The loss of [CPMT 1984] |
| A. | Half of its branches |
| B. | All of its leaves |
| C. | Half of its flowers |
| D. | Its bark |
| Answer» E. | |
| 2353. |
In the primary tissues of the stem, the cambium separating xylem and phloem is called [CPMT 1987] |
| A. | Procambium |
| B. | Fascicular cambium |
| C. | Cork cambium |
| D. | Interfascicular cambium |
| Answer» C. Cork cambium | |
| 2354. |
Fusiform initials form [AIIMS 1987] |
| A. | Vascular rays |
| B. | Treacheary elements |
| C. | Ray parenchyma |
| D. | Phloem parenchyma |
| Answer» C. Ray parenchyma | |
| 2355. |
Conduction of sap in plants occurs through [CPMT 1992] |
| A. | Heartwood |
| B. | Sapwood |
| C. | Xylem |
| D. | All the above |
| Answer» C. Xylem | |
| 2356. |
Normal secondary growth occurs in [BVP 2001] |
| A. | Dicot stem |
| B. | Monocot stem |
| C. | Both [a] and [b] |
| D. | Root |
| Answer» B. Monocot stem | |
| 2357. |
Dendrochronology is the study of [AMU 1986] |
| A. | Height of a tree |
| B. | Diameter of a tree |
| C. | Age of a tree by counting the number of annual rings in the main stem |
| D. | None of these |
| Answer» D. None of these | |
| 2358. |
In dicot stem secondary growth is due to the activity of [Pb. PMT 2004,05] |
| A. | Apical meristem |
| B. | Lateral meristem |
| C. | Cork |
| D. | Back |
| Answer» C. Cork | |
| 2359. |
An example of monocots showing secondary growth in stems is [CPMT 1985] |
| A. | Lilium |
| B. | Cocos |
| C. | Asparagus |
| D. | Yucca or Dracaena |
| Answer» E. | |
| 2360. |
Growth rings (annual rings) are formed by activity of [AFMC 1984, 85, 86, 90] |
| A. | Cambium |
| B. | Xylem |
| C. | Phloem |
| D. | Both xylem and phloem |
| Answer» B. Xylem | |
| 2361. |
In which of the following, there is no differentiation of bark, sap wood and heart wood [DPMT 1983] |
| A. | Ashok |
| B. | Neem |
| C. | Mango |
| D. | Date palm |
| Answer» E. | |
| 2362. |
Cork cambium is a [BHU 1983; AFMC 1984; JIPMER 1983, 86] |
| A. | Secondary meristem |
| B. | Apical meristem |
| C. | Intercalary meristem |
| D. | Primary meristem |
| Answer» B. Apical meristem | |
| 2363. |
External protective tissues of plants are (of dicot stem are) [BHU 1980; CPMT 1984] |
| A. | Cork and pericycle |
| B. | Cortex and epidermis |
| C. | Pericycle and cortex |
| D. | Epidermis and cork |
| Answer» E. | |
| 2364. |
The xylem which is functional in a dicot tree is [AMU 1989] |
| A. | Spring wood |
| B. | Sap wood |
| C. | Autumn wood |
| D. | Heart wood |
| Answer» C. Autumn wood | |
| 2365. |
Growth rings are well marked in trees growing in [DPMT 1986] |
| A. | Shimla |
| B. | Bombay |
| C. | Madras |
| D. | Calcutta |
| Answer» B. Bombay | |
| 2366. |
Annual rings are distinct in plants growing in [BHU 1978, 84, 91] |
| A. | Tropical regions |
| B. | Arctic region |
| C. | Grasslands |
| D. | Temperate region |
| Answer» E. | |
| 2367. |
Youngest layer of secondary xylem in wood of dicot stem is located just [CPMT 1973, 78, 84, 86,93; DPMT 1985] |
| A. | Outside the cambium |
| B. | Inside the cambium |
| C. | Outside pith |
| D. | Inside the cortex |
| Answer» C. Outside pith | |
| 2368. |
Which one of the tissue is formed in stems from cells cut off by the cambium on its inner side [AMU 1990] |
| A. | Wood fibres |
| B. | Bast fibres |
| C. | Sieve tubes |
| D. | Companion cells |
| Answer» B. Bast fibres | |
| 2369. |
Fascicular cambium found in dicot stem is a [CPMT 1990] |
| A. | Secondary meristem |
| B. | Primary meristem |
| C. | Intercalary meristem |
| D. | Apical meristem |
| Answer» C. Intercalary meristem | |
| 2370. |
In dicot stem, the secondary growth takes place by [CPMT 1992] |
| A. | Primary cambium |
| B. | Secondary cambium |
| C. | Development of cambium in stele region |
| D. | Development of cambium in stele and in the cortical region |
| Answer» E. | |
| 2371. |
Secondary growth is absent in [CPMT 1992] |
| A. | Dicot stem |
| B. | Gymnosperms |
| C. | Monocot stem |
| D. | Dicot root |
| Answer» D. Dicot root | |
| 2372. |
Which of the following is called as a detritivore? (Karnataka GET 2005) |
| A. | An animal feeding on a plant |
| B. | A plant feeding on an animal |
| C. | An animal feeding on another animal |
| D. | An animal feeding on decaying organic matter |
| Answer» E. | |
| 2373. |
The animals feed upon organic matter mixed with the soil are: |
| A. | detrivores |
| B. | saprozoic |
| C. | herbivores |
| D. | mixotrophic |
| Answer» B. saprozoic | |
| 2374. |
An organism that feeds on dead organic matter other than bacteria or fungi is called: (PCS 2001) |
| A. | folivore |
| B. | detrivore |
| C. | consumer |
| D. | decomposer |
| Answer» C. consumer | |
| 2375. |
Microphagial nutrition occurs in: (Kerala PMT 2006) |
| A. | Insects |
| B. | Hydra |
| C. | Euglena |
| D. | Amphioxus |
| E. | Paramecium |
| Answer» F. | |
| 2376. |
Heterotrophic nutrition includes: (AMU 2006) |
| A. | saprophytic |
| B. | parasitic |
| C. | carnivorous |
| D. | all of these |
| Answer» E. | |
| 2377. |
The duct from the parotid gland that opens into the vestibule is known as: |
| A. | Wolffian duct |
| B. | Stenson's duct |
| C. | Mullerian duct |
| D. | Wharton's duct |
| Answer» C. Mullerian duct | |
| 2378. |
Taking in the food by an animal is termed: |
| A. | ingestion |
| B. | egestion |
| C. | absorption |
| D. | assimilation |
| Answer» B. egestion | |
| 2379. |
Parotid glands are located below: (JKCMEE 2006) |
| A. | eye |
| B. | tongue |
| C. | floor of the mouth |
| D. | external acoustic meatus |
| Answer» E. | |
| 2380. |
Wharton's duct is associated with: |
| A. | Brunner's gland |
| B. | Parotid salivary gland |
| C. | Sublingual salivary gland |
| D. | Submaxillary salivary gland |
| Answer» E. | |
| 2381. |
Sub maxillary glands of rabbit pour their secretions through: (EAMCET 2003) |
| A. | Stenson's duct |
| B. | Wharton's duct |
| C. | Nasopalatine duct |
| D. | Bartholin's duct |
| Answer» C. Nasopalatine duct | |
| 2382. |
Duct of Bartholin is associated with: |
| A. | parotid glands |
| B. | maxillary glands |
| C. | sublingual glands |
| D. | infraorbital glands |
| Answer» D. infraorbital glands | |
| 2383. |
Smallest salivary gland is: |
| A. | parotid |
| B. | sublingual |
| C. | infraorbital |
| D. | submandibular |
| Answer» C. infraorbital | |
| 2384. |
The number of salivary glands present in rabbit is: (RPMT 2004) |
| A. | 2 pairs |
| B. | 3 pairs |
| C. | 4 pairs |
| D. | 5 pairs |
| Answer» D. 5 pairs | |
| 2385. |
The number of salivary glands present in human beings is: |
| A. | 5 pairs |
| B. | 4 pairs |
| C. | 3 pairs |
| D. | 2 pairs |
| Answer» D. 2 pairs | |
| 2386. |
Salivary glands are absent in: |
| A. | Blatta orientalis |
| B. | Musca domestica |
| C. | Rana hexadactyla |
| D. | Anopheles maculipenis |
| Answer» D. Anopheles maculipenis | |
| 2387. |
Alimentary canal is usually longer in: (Orissa JEE 2006) |
| A. | carnivores |
| B. | herbivores |
| C. | omnivores |
| D. | insectivores |
| Answer» C. omnivores | |
| 2388. |
Tongue is attached to the floor of buccal cavity by: |
| A. | frenulum |
| B. | mesentery |
| C. | lingual papilla |
| D. | falciform ligament |
| Answer» B. mesentery | |
| 2389. |
Nuhn's glands are present on: (AMU 2002; BHU 2007) |
| A. | skin |
| B. | tongue |
| C. | stomach |
| D. | intestine |
| Answer» C. stomach | |
| 2390. |
Lips of mammals are not adapted for: (Orissa JEE 2006) |
| A. | kissing |
| B. | closing mouth |
| C. | sound production |
| D. | none of these |
| Answer» E. | |
| 2391. |
Vestibule is the space between: |
| A. | gums and lips |
| B. | tongue and teeth |
| C. | tongue and palate |
| D. | incisor and premolar |
| Answer» B. tongue and teeth | |
| 2392. |
A cannibal feeds on: |
| A. | any species |
| B. | own species |
| C. | higher species |
| D. | plant products |
| Answer» C. higher species | |
| 2393. |
Sanguivores are: |
| A. | blood suckers |
| B. | flesh eaters |
| C. | plant eaters |
| D. | all of these |
| Answer» B. flesh eaters | |
| 2394. |
Animals eating own faecal matter are: (DPMT2003; Orissa JEE 2004) |
| A. | frugivorous |
| B. | detritivorous |
| C. | coprophagous |
| D. | sanguivorous |
| Answer» D. sanguivorous | |
| 2395. |
Saprobiotic and parasitic modes of nutrition are found in: (CPMT 2005) |
| A. | bacteria |
| B. | viruses |
| C. | fungi |
| D. | (a) both and (c) |
| Answer» E. | |
| 2396. |
Feeding on dead and decaying organisms represent what type of nutrition? (CPMT 2000) |
| A. | Holozoic |
| B. | Parasitic |
| C. | Autotrophic |
| D. | Saprotrophic |
| Answer» E. | |
| 2397. |
Anus is absent in: |
| A. | Hydra |
| B. | Planaria |
| C. | Ophiothrix |
| D. | All of these |
| Answer» E. | |
| 2398. |
Outer covering of epiphytic root is [Orissa JEE 2005] |
| A. | Osmophore |
| B. | Rhizophore |
| C. | Velamen |
| D. | Pneumatophore |
| Answer» D. Pneumatophore | |
| 2399. |
Root which grow from branches of Banyan tree are [Orissa JEE 2005] |
| A. | Breathing roots |
| B. | Climbing roots |
| C. | Hanging roots |
| D. | Prop roots |
| Answer» C. Hanging roots | |
| 2400. |
In which the pneumatophores are found [BVP 2001] |
| A. | Tinospora |
| B. | Pinus |
| C. | Rhizophora |
| D. | None of these |
| Answer» D. None of these | |