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.
| 2601. |
Sporangia of eusporangiate ferns [BHU 1990] |
| A. | Possess a single layer of wall cells |
| B. | Produce very few spores |
| C. | Originate from a group of initial cells |
| D. | Dehiscence at the region of a well defined stomium |
| Answer» D. Dehiscence at the region of a well defined stomium | |
| 2602. |
Spore of fern represents [CPMT 1989] |
| A. | Sporophytic stage |
| B. | Gametophytic stage |
| C. | Sporophytic and gametophytic stage |
| D. | Apomictic stage |
| Answer» C. Sporophytic and gametophytic stage | |
| 2603. |
Fern stele is [BHU 1978, 81; AFMC 1981; CPMT 1994] |
| A. | Dictyostele |
| B. | Siphonostele |
| C. | Protostele |
| D. | None of these |
| Answer» B. Siphonostele | |
| 2604. |
Which of the following is not involved in the fertilization of fern [CPMT 1984, 90] |
| A. | Pollen tube |
| B. | Water |
| C. | Archegonia |
| D. | Flagellated sperms |
| Answer» B. Water | |
| 2605. |
In fern, young leaves are protected by [AFMC 1982, 89] |
| A. | Rhizome |
| B. | Indusium |
| C. | Sori |
| D. | Ramenta |
| Answer» E. | |
| 2606. |
Sporangia and spore bearing leaf in fern is called as [CPMT 1975, 84, 86, 93; AFMC 1996; CBSE PMT 2001] |
| A. | Ramentum |
| B. | Sorus |
| C. | Indusium |
| D. | Sporophyll/Frond |
| Answer» E. | |
| 2607. |
Fern prothallus is [CPMT 1977] |
| A. | Homothallic |
| B. | Heterothallic |
| C. | Heterotrophic |
| D. | Heteromorphic |
| Answer» B. Heterothallic | |
| 2608. |
Most primitive living vascular plants are [CPMT 1975, 81] |
| A. | Brown algae |
| B. | Sphagnum |
| C. | Ferns |
| D. | Cycads |
| Answer» D. Cycads | |
| 2609. |
Azolla is used as a biofertilizer because it [AIIMS 2003] |
| A. | Multiplies very fast to produce massive biomass |
| B. | Has association of nitrogen-fixing Rhizobium |
| C. | Has association of nitrogenfixing cyanobacteria |
| D. | Has association of mycorrhiza |
| Answer» D. Has association of mycorrhiza | |
| 2610. |
Which of the following helps in coal formation [AFMC 2000] |
| A. | Bacteria |
| B. | Gymnosperm |
| C. | Pteridophytes |
| D. | Archaebacteria |
| Answer» D. Archaebacteria | |
| 2611. |
Which of the following is not a pteridophyte [RPMT 1997] |
| A. | Ginkgo |
| B. | Selaginella |
| C. | Polypodium |
| D. | Azolla |
| Answer» B. Selaginella | |
| 2612. |
The aquatic fern which is an excellent biofertilizer is [CBSE PMT 1999, 2001] |
| A. | Azolla |
| B. | Salvinia |
| C. | Marsilia |
| D. | Pteridium |
| Answer» B. Salvinia | |
| 2613. |
Formation of gametophyte directly from spore mother cell without meiosis is called [CPMT 1995] |
| A. | Apospory |
| B. | Apogamy |
| C. | Apomictic |
| D. | Apomixis |
| Answer» B. Apogamy | |
| 2614. |
Seed habit originated firstly in some [CBSE PMT 1996] |
| A. | Pteridophytes |
| B. | Pines |
| C. | Monocots |
| D. | Dicots |
| Answer» B. Pines | |
| 2615. |
A plant having vascular supply, producing spores but lacking seed is a [DPMT 1990; BHU 1995; Manipal MEE 1995; BHU 1999; CBSE PMT 1999; Orissa JEE 2004] |
| A. | Byophyte |
| B. | Pteridophyte |
| C. | Gymnosperm |
| D. | Angiosperm |
| Answer» C. Gymnosperm | |
| 2616. |
Which of the following is aquatic and free floating fern |
| A. | Azolla |
| B. | Salvinia |
| C. | Pteris |
| D. | Both (a) and (b) |
| Answer» E. | |
| 2617. |
Which of the following is a fossil pteridophyte |
| A. | Lycopodium |
| B. | Lygodium |
| C. | Psilotum |
| D. | Rhynia |
| Answer» E. | |
| 2618. |
According to available fossil records which of the following were the first land vascular plant |
| A. | Psilophytales |
| B. | Lycopods |
| C. | Horse-tail |
| D. | Cycas |
| Answer» B. Lycopods | |
| 2619. |
The prothallus represents [KCET 1999; AIIMS 1999] |
| A. | Gametophyte of fern |
| B. | Sporophyte of angiosperm |
| C. | Sporophyte of gymnosperm |
| D. | Sporophyte of fern |
| Answer» B. Sporophyte of angiosperm | |
| 2620. |
Who among the following was a paleobotanist [MDAT Bihar 1995] |
| A. | P. Maheshwari |
| B. | S.R. Kashyap |
| C. | Sahani |
| D. | V. Puri |
| Answer» D. V. Puri | |
| 2621. |
Pteridophytes are characterized by |
| A. | Presence of vascular system |
| B. | Absence of flowers |
| C. | Absence of fruits |
| D. | All the above |
| Answer» E. | |
| 2622. |
The condition where a pteriodophyte produces two kinds of spores and sporangia is termed as |
| A. | Homospory |
| B. | Homothallism |
| C. | Heterospory |
| D. | Apospory |
| Answer» D. Apospory | |
| 2623. |
Heterosporous pteridophytes always produce [MP PMT 1986] |
| A. | Monoecious gametophytes |
| B. | Dioecious gametophytes |
| C. | Homothallic gametophytes |
| D. | None of the above |
| Answer» C. Homothallic gametophytes | |
| 2624. |
"Botanical snakes'' are [JIPMER 1987] |
| A. | Algae |
| B. | Fungi |
| C. | Bryophytes |
| D. | Pteridophytes |
| Answer» E. | |
| 2625. |
Dominant generation in pteridophytes is |
| A. | Haploid |
| B. | Gametophytic |
| C. | Diploid |
| D. | Triploid |
| Answer» D. Triploid | |
| 2626. |
Ferns are characterised by [CPMT 1982] |
| A. | Heterospory |
| B. | Seed bearing |
| C. | Homospory |
| D. | Tracheids and vessels |
| Answer» D. Tracheids and vessels | |
| 2627. |
Fern's prothallus normally is [BHU 1982] |
| A. | Haploid |
| B. | Diploid |
| C. | Triploid |
| D. | Tetraploid |
| Answer» B. Diploid | |
| 2628. |
Which groups depend on external source of free water |
| A. | Algae, mosses and ferns |
| B. | Algae, mosses and gymnosperms |
| C. | Mosses, ferns and gymnosperms |
| D. | Only algae and mosses |
| Answer» B. Algae, mosses and gymnosperms | |
| 2629. |
Which one of the following belongs to vascular cryptogams [BHU 1978; EAMCET 1980; RPMT 1997; BVP 2000; AMU PMT 2005] |
| A. | Bryophyta |
| B. | Pteridophyta |
| C. | Gymnosperms |
| D. | Angiosperms |
| Answer» C. Gymnosperms | |
| 2630. |
In Pteridophytes/ Dryopteris meiosis occurs at the time of [MP PMT 1986; CBSE PMT 2000; Wardha 2001; AMU 1989; JIPMER 1997; AIIMS 1998] |
| A. | Gamete formation |
| B. | Spore formation |
| C. | Formation of prothallus |
| D. | Formation of sex organs |
| Answer» C. Formation of prothallus | |
| 2631. |
In Dryopteris, the sori are borne [CPMT 1983] |
| A. | Laterally |
| B. | Abaxially |
| C. | Adaxially |
| D. | Marginally |
| Answer» C. Adaxially | |
| 2632. |
Placenta in Dryopteris is the place of attachment of [MP PMT 1988] |
| A. | Ovules |
| B. | Ramenta |
| C. | Sporangia |
| D. | Archegonia |
| Answer» D. Archegonia | |
| 2633. |
Pteridium possess [RPMT 2002] |
| A. | Polycyclic dictyostele |
| B. | Actinostele |
| C. | Siphonostele |
| D. | Amphiphloic siphonostele |
| Answer» B. Actinostele | |
| 2634. |
Two distinct generations in a single life history are common in |
| A. | Bacillus |
| B. | Mango |
| C. | Pteris (Dryopteris) |
| D. | Spirogyra |
| Answer» D. Spirogyra | |
| 2635. |
Which of the following is not heterosporous |
| A. | Dryopteris |
| B. | Selaginella |
| C. | Marsilea |
| D. | Pinus |
| Answer» B. Selaginella | |
| 2636. |
In Dryopteris the opening mechanism of sporangium is effectively operated by [MHCET 2003] |
| A. | Stalk |
| B. | Stomium |
| C. | Annulus |
| D. | None of these |
| Answer» C. Annulus | |
| 2637. |
What is correct [Orissa 2002] |
| A. | Protonema of moss and prothallus of Dryopteris are sporophytic |
| B. | Protonema of moss and prothallus of Dryopteris are gametophytic |
| C. | Moss protonema is sporophytic, Pteris prothallus is gametophytic but plant body of Pteris and Funaria are gametophytic |
| D. | Plant body of moss is gametophytic while that of Dryopteris is both gametophytic and sporophytic |
| Answer» C. Moss protonema is sporophytic, Pteris prothallus is gametophytic but plant body of Pteris and Funaria are gametophytic | |
| 2638. |
In Dryopteris [JK CMEE 2002] |
| A. | Sporophyte is parasitic over gametophyte |
| B. | Sporophyte is independent |
| C. | Gametophyte is independent |
| D. | Both (b) and (c) |
| Answer» E. | |
| 2639. |
Indusium in Pteridium is |
| A. | Outer true and inner false |
| B. | Only true |
| C. | Outer false and inner true |
| D. | Only false |
| Answer» D. Only false | |
| 2640. |
Sorus bearing leaf of Pteridium is called |
| A. | Ramenta |
| B. | Indusium |
| C. | Sporophyll |
| D. | None of these |
| Answer» D. None of these | |
| 2641. |
Multiflagellate male gametes (sperms) are found in [AIIMS 1984] |
| A. | Chlamydomonas |
| B. | Funaria |
| C. | Dryopteris |
| D. | Riccia |
| Answer» D. Riccia | |
| 2642. |
The stele of Pteridium root is |
| A. | Diarch exarch |
| B. | Diarch endarch |
| C. | Polyarch exarch |
| D. | Polyarch endarch |
| Answer» B. Diarch endarch | |
| 2643. |
Young sporophyte of Pteris fern draws nourishment from prothallus through [CPMT 1993] |
| A. | Root |
| B. | Rhizoids |
| C. | Foot |
| D. | Haustoria |
| Answer» D. Haustoria | |
| 2644. |
The stele in the rachis of Pteris is |
| A. | Collar shaped |
| B. | Horse shoe- shaped |
| C. | Omega shaped |
| D. | H- shaped |
| Answer» C. Omega shaped | |
| 2645. |
In Pteris, the sori are |
| A. | Continuous and linear |
| B. | Discontinuous and circular |
| C. | Discontinuous and reniform |
| D. | Discontinuous and vermiform |
| Answer» B. Discontinuous and circular | |
| 2646. |
Spores of Dryopteris are |
| A. | Haploid |
| B. | Diploid |
| C. | Triploid |
| D. | Tetraploid |
| Answer» B. Diploid | |
| 2647. |
Fern Dryopteris is |
| A. | Homosporous |
| B. | Heterosporous |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» B. Heterosporous | |
| 2648. |
The stele is arranged in the form of 'C' in which portion of fern plant (Dryopteris) |
| A. | Rhizome |
| B. | Young rachis |
| C. | Old rachis |
| D. | Lamina |
| Answer» C. Old rachis | |
| 2649. |
Distinct alternation of generation is found in [CPMT 1984; DPMT 1992; BHU 1999] |
| A. | Rhizopus |
| B. | Bacteria |
| C. | Viruses |
| D. | Pteris (Fern) |
| Answer» E. | |
| 2650. |
Sorus of Dryopteris fern is |
| A. | Simple sorus |
| B. | Gradate sorus |
| C. | Mixed sorus |
| D. | None of these |
| Answer» D. None of these | |