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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.
| 3301. |
Female cone of Pinus is considered equivalent to |
| A. | Dwarf shoot |
| B. | Long shoot |
| C. | Needles |
| D. | Scale leaves |
| Answer» E. | |
| 3302. |
In Pinus female gametophyte develops only from |
| A. | Upper most haploid megaspore |
| B. | The lower most haploid megaspore |
| C. | Penultimate megaspore |
| D. | The 3rd megaspore |
| Answer» C. Penultimate megaspore | |
| 3303. |
The giant tree among the pines belongs to [RPMT 1999] |
| A. | Cedrus |
| B. | Pinus |
| C. | Dalbergia |
| D. | Sequoia |
| Answer» E. | |
| 3304. |
Spur of Pinus sylvestris is |
| A. | Monofoliar |
| B. | Bifoliar |
| C. | Trifoliar |
| D. | Tetrafoliar |
| Answer» C. Trifoliar | |
| 3305. |
Plant of pine is |
| A. | Annual herb |
| B. | Biannual herb |
| C. | Evergreen tree |
| D. | Deciduous tree |
| Answer» D. Deciduous tree | |
| 3306. |
A microsporophyll in Pinus has [Kerala PMT 2004] |
| A. | One microsporangium on the adaxial side |
| B. | One microsporangium on the abaxial side |
| C. | Two microsporangia on the abaxial side |
| D. | Two microsporangia on the adaxial side |
| E. | Four microsporangia on the lower side |
| Answer» D. Two microsporangia on the adaxial side | |
| 3307. |
Winged pollen grain is the characteristic feature of [BVP 2002; MP PMT 2004] |
| A. | Cycas |
| B. | Ephedra |
| C. | Gnetum |
| D. | Pinus |
| Answer» E. | |
| 3308. |
The wood of pinus is [MP PMT 2000] |
| A. | Pycnoxylic and monoxylic |
| B. | Pycnoxylic and heteroxylous |
| C. | Manoxylic and homoxylous |
| D. | Manoxylic and heteroxylous |
| Answer» B. Pycnoxylic and heteroxylous | |
| 3309. |
Time lapse between fertilization and seed formation in Pinus is [Pune CET 1998] |
| A. | 6 years |
| B. | 2 years |
| C. | 1 ½ years |
| D. | 1 year |
| Answer» E. | |
| 3310. |
The microsporophylls of Pinus has [Pune CET 1998] |
| A. | Many microsporangia |
| B. | No microsporangia |
| C. | 2 microsporangia |
| D. | Only one microsporangium |
| Answer» D. Only one microsporangium | |
| 3311. |
The winged pollen grain of Pinus sp. are produced in [MP PMT 1997] |
| A. | Pollen chamber |
| B. | Anther |
| C. | Tapetum |
| D. | Microsporangium |
| Answer» E. | |
| 3312. |
Which of the following tissue is present in the leaves of Pinus and serve to conduct water and food [CPMT 1999, 2001] |
| A. | Xylem |
| B. | Phloem |
| C. | Transfusion tissue |
| D. | Conducting tissue |
| Answer» D. Conducting tissue | |
| 3313. |
The spur of Pinus occelsa is |
| A. | Unifoliar |
| B. | Bifoliar |
| C. | Trifoliar |
| D. | Pentafoliar |
| Answer» E. | |
| 3314. |
Non-motile male gametes are formed in [MP PMT 2000] |
| A. | Funaria |
| B. | Selaginella |
| C. | Fern |
| D. | Pinus |
| Answer» E. | |
| 3315. |
The seed of Pinus represents |
| A. | One generation |
| B. | Two generations |
| C. | Three generations |
| D. | Four generations |
| Answer» D. Four generations | |
| 3316. |
Pinus shows [CBSE PMT 2001] |
| A. | Heterospory |
| B. | Polyembryony |
| C. | Homospory |
| D. | One type of branching |
| Answer» C. Homospory | |
| 3317. |
The part of the ovule in the Pinus which has megaspore mother cells dividing to form haploid megaspores is |
| A. | Nucellus |
| B. | Embryo |
| C. | Gametangia |
| D. | Gametophore |
| Answer» B. Embryo | |
| 3318. |
Female cone of Pinus can be compared to which part of the plant |
| A. | Flower |
| B. | Megasporophyll |
| C. | Inflorescence |
| D. | Microsporophyll |
| Answer» D. Microsporophyll | |
| 3319. |
Pinus shows [CBSE PMT 2001] |
| A. | Simple polyembryony |
| B. | Cleavage polyembryony |
| C. | Both simple and cleavage polyembryony |
| D. | None of the above |
| Answer» D. None of the above | |
| 3320. |
Endosperm of Pinus is |
| A. | Male gametophyte |
| B. | Female gametophyte |
| C. | Sporophyte |
| D. | None of the above |
| Answer» C. Sporophyte | |
| 3321. |
In Pinus megaspore on germination forms |
| A. | Pollen tube with two motile sperms |
| B. | Endosperm with archegonia |
| C. | Endosperm with sperms |
| D. | Endosperm with embryo sac |
| Answer» C. Endosperm with sperms | |
| 3322. |
Ovules in Pinus are generally |
| A. | Anatropous with four integuments |
| B. | Anatropous with one integument |
| C. | Amphitropous with three integuments |
| D. | Orthotropous with two integuments |
| Answer» C. Amphitropous with three integuments | |
| 3323. |
The wood obtained from Pinus plant is used for |
| A. | Furniture |
| B. | Building purposes |
| C. | Match boxes |
| D. | All the above |
| Answer» E. | |
| 3324. |
Female gametophyte (endosperm) in Pinus is formed |
| A. | Before pollination |
| B. | After pollination |
| C. | After fertilization |
| D. | None of the above |
| Answer» B. After pollination | |
| 3325. |
The foliage leaves or needles in Pinus are borne by |
| A. | Branches of unlimited growth |
| B. | Branches of limited growth |
| C. | Branches of limited and unlimited growth |
| D. | Female cones |
| Answer» C. Branches of limited and unlimited growth | |
| 3326. |
The megasporophyll of Pinus consists of |
| A. | Both bract and ovuliferous scales |
| B. | Only bract scales |
| C. | Only ovuliferous scales |
| D. | None of the above |
| Answer» B. Only bract scales | |
| 3327. |
The edible part of seed of Pinus is |
| A. | Epispore |
| B. | Endosperm |
| C. | Perisperm |
| D. | Pericarp |
| Answer» C. Perisperm | |
| 3328. |
Microsporophyll of Pinus is equivalent to |
| A. | Pollen grain of angiosperms |
| B. | Stamen |
| C. | Male gametophyte |
| D. | Inflorescence |
| Answer» E. | |
| 3329. |
In Pinus, the terminal portion of microsporophyll of male cone is called |
| A. | Embryo sac |
| B. | Bract scale |
| C. | Ovule |
| D. | Apophysis |
| Answer» E. | |
| 3330. |
The gametophytes of Pinus are protected from dessication by living in |
| A. | Moist soil |
| B. | Moist tissue of sporophyte in the cone |
| C. | Bogs and marshes |
| D. | The rainy season only |
| Answer» C. Bogs and marshes | |
| 3331. |
In the embryo of Pinus, rosette cells lie |
| A. | Above suspensor cells |
| B. | Between suspensor and embryonal cells |
| C. | Between primary and secondary suspensor cells |
| D. | Between embryonal cells and apical cells |
| Answer» B. Between suspensor and embryonal cells | |
| 3332. |
Meroblastic type of embryo development takes place in |
| A. | Ferns |
| B. | Selaginella |
| C. | Pinus |
| D. | All the above |
| Answer» D. All the above | |
| 3333. |
Which one of the following alternatives represents the gametophytic phase in Pinus [MP PMT 1994] |
| A. | Pinus plant |
| B. | Zygote |
| C. | Micro and megaspores |
| D. | Male and female cones |
| Answer» D. Male and female cones | |
| 3334. |
The secondary wood of Pinus is characterised by [MP PMT 1993] |
| A. | Presence of resin cells |
| B. | Presence of resin ducts |
| C. | Absence of resin ducts |
| D. | Presence of vessels |
| Answer» C. Absence of resin ducts | |
| 3335. |
Pinus produces [BHU 1984, 91; CMC Vellore 1994; CPMT 1995] |
| A. | No seeds |
| B. | Flowers |
| C. | No vascular tissues |
| D. | Naked seeds in cones |
| Answer» E. | |
| 3336. |
Which of the following features are true for Pinus [JIPMER 1993] |
| A. | Haploid endosperm |
| B. | Bicilliated sperms |
| C. | Double fertilization |
| D. | Presence of antheridia |
| Answer» B. Bicilliated sperms | |
| 3337. |
Which statement is correct with reference to Pinus [BHU 1991] |
| A. | It is of much economic value |
| B. | It is cosmopolitan in distribution |
| C. | If grows in deserts and exhibits xerophytic character |
| D. | If form deciduous trees in temperate region |
| Answer» B. It is cosmopolitan in distribution | |
| 3338. |
Male gametophyte of Pinus is found to be [BHU 1983] |
| A. | 10 celled |
| B. | 6 celled |
| C. | 4 celled |
| D. | 2 celled |
| Answer» D. 2 celled | |
| 3339. |
Cataphylls are [BHU 1991] |
| A. | Leaves of Selaginella |
| B. | Scaly leaves of Pinus |
| C. | Needles of Pinus |
| D. | Foliar leaves of Pinus |
| Answer» C. Needles of Pinus | |
| 3340. |
Of the following, the false character with respect to Pinus is [BHU 1982] |
| A. | Bract and ovuliferous scales |
| B. | Embryo with two cotyledons |
| C. | Resin canals in needles |
| D. | Tracheids with bordered pits |
| Answer» C. Resin canals in needles | |
| 3341. |
Needle like foliage leaves are found in |
| A. | Mosses |
| B. | Selaginella |
| C. | Fern |
| D. | Pinus |
| Answer» E. | |
| 3342. |
Which of the following is the best explanation for the excurrent (pyramidal) shape of Pinus (the branches giving the plant the appearance of a tall cone) [AIIMS 1981; JIPMER 1983] |
| A. | Competition among adjoining trees for sunlight |
| B. | The effect of auxins on growth of stem tips |
| C. | Adaptation for wind pollination |
| D. | Efficiency of water transport from ground to leaves |
| Answer» D. Efficiency of water transport from ground to leaves | |
| 3343. |
In the embryo of Pinus rosette cells lie [BHU 1986] |
| A. | Above suspensor cells |
| B. | Between suspensor and embryonal cells |
| C. | Between primary and secondary suspensor cells |
| D. | Between embryonal and apical cells |
| Answer» B. Between suspensor and embryonal cells | |
| 3344. |
Among the following which does not belong to sporophytic generation in Pinus [DPMT 1983] |
| A. | Roots |
| B. | Endosperm |
| C. | Dwarf shoot |
| D. | Long shoot |
| Answer» C. Dwarf shoot | |
| 3345. |
Male prothallus (gametophyte) in Pinus is having [BHU 1983] |
| A. | 1 prothallial cell |
| B. | 2 prothallial cells |
| C. | 4 prothallial cells |
| D. | A mass of cells |
| Answer» C. 4 prothallial cells | |
| 3346. |
In Pinus seeds there are [MP PMT 1986; BHU 1979, 81; DPMT 1992] |
| A. | Two cotyledons |
| B. | One cotyledon |
| C. | Fleshy cotyledons |
| D. | Many cotyledons |
| Answer» E. | |
| 3347. |
Pine wood consists of almost entirely [CPMT 1975] |
| A. | Tracheids |
| B. | Vessels |
| C. | Equal number of tracheids and vessels |
| D. | More vessels and less tracheids |
| Answer» B. Vessels | |
| 3348. |
Which of the following structures in Pinus are haploid [CBSE PMT 1989; MP PMT 2002] |
| A. | Megaspore, integument, root |
| B. | Endosperm, megaspore, pollen grain |
| C. | Pollen grain, leaf, root |
| D. | Megaspore, endosperm, embryo |
| Answer» C. Pollen grain, leaf, root | |
| 3349. |
Ghori is a breed of |
| A. | Cow |
| B. | Horse |
| C. | Pig |
| D. | Camel |
| Answer» D. Camel | |
| 3350. |
Farming of which one of these has definite advantage over others |
| A. | Pig farming |
| B. | Poultry farming |
| C. | Cattle farming |
| D. | Sheep- farming |
| Answer» B. Poultry farming | |