Saved Bookmarks
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1351. |
Spines present on the areoles of Opunita representA. stemB. leavesC. budsD. phyllodes |
|
Answer» Correct Answer - B In Opuntia leaves are modified into spines in order to protect the plant from grazing animals and excessive transpiration. |
|
| 1352. |
In a Pinnate compound leaf, leaflets are borne inA. acropetal mannerB. basipetal mannerC. one planeD. none of these |
| Answer» Correct Answer - C | |
| 1353. |
Which is the odd type of vegetable in a basket containing the following ?A. RadishesB. CarrotsC. PotatoesD. Beet roots |
| Answer» Correct Answer - C | |
| 1354. |
Which part of leaf is sensitive to sleep and shock movements ?A. PinnuleB. PinnaC. PulvinusD. Petiole |
| Answer» Correct Answer - C | |
| 1355. |
Which one the following pairs is wrongly matched while the remaining three and correctA. Bryophyllum-Leaf budsB. Agave-BulbilsC. Penicillum-ConidiaD. Water hyacinth - Runner |
| Answer» Correct Answer - D | |
| 1356. |
Which one of the following pairs is wrongly matched while the remaining three are correct ?A. Bryophyllum-Leaf budsB. Agave-BulbilsC. Penicillium-ConidiaD. Water hyacinth-Runner |
| Answer» Correct Answer - D | |
| 1357. |
Which one the following pairs is wrongly matched while the remaining three and correctA. Penicillium - conidiaB. Water hyacinth - runnerC. Bryophyllum - leaf budsD. Agave - bulbils |
| Answer» Correct Answer - B | |
| 1358. |
Which one of the following pairs is wrongly matched while the remaining three are correct ?A. Penicillium - ConidiaB. Water Hyacinth - RunnerC. Bryophyllum - Leaf budsD. Agave - Bulbis |
| Answer» Correct Answer - B | |
| 1359. |
Whorled, simple leaves with reticulate venation are present inA. CalotropisB. NeemC. China RoseD. Alstonia |
| Answer» Correct Answer - D | |
| 1360. |
Whorled, simple leaves with reticulate venation are present inA. China RoseB. AlstoniaC. CalotropiaD. Neem |
| Answer» Correct Answer - B | |
| 1361. |
Whorled, simple leaves with reticulate venation are present inA. CalotropisB. naemC. China roseD. Alstonia |
| Answer» Correct Answer - D | |
| 1362. |
Describe the arrangement of floral members in relation to their insertion on thalamus? |
|
Answer» Based on the position of the calyx, corolla, and androecium (with respect to the ovary on the thalamus), the flowers are described as hypognous, perigynous, and epigynous. In hypogynous flowers, the ovary occupies the highest position on the thalamus while other floral parts are situated below it. In such flowers, the ovary is superior e.g., China rose, mustard etc. In perigynous flowers, the ovary is situated at the centre and other floral parts are arranged on the rim of the thalamus. The ovary here is said to be half inferior e.g., plum, rose, peach In epigynous flowers, the thalamus grows around the ovary fusing with its wall. The other floral parts are present above the ovary. Hence, the ovary is said to be inferior e.g., flowers of guava and cucumber. |
|
| 1363. |
Which one of the following fruits is parthenocarpicA. BrinjalB. appleC. JackfruitD. Banana |
| Answer» Correct Answer - D | |
| 1364. |
Balausta fruit is found inA. PepoB. PomegrananteC. OrangeD. Pumpkin |
| Answer» Correct Answer - B | |
| 1365. |
The fruits which consist of numerous similar fruits, all of which developed from poly-carpellary apocarpous ovaries of a flower and mature together as a single unit is known asA. aggregate fruitB. composite fruitC. dry fruitD. schizocarpic fruit |
| Answer» Correct Answer - A | |
| 1366. |
flower arrangement in biparous cyme isA. cenrtipetalB. basipetalC. acropetalD. irregular |
| Answer» Correct Answer - B | |
| 1367. |
In candytuft the older flowers have longer pedicels while newer ones have shorter pediclels this type of inflorescence is known asA. corymbose racemeB. umeblC. corymbD. spadix |
| Answer» Correct Answer - C | |
| 1368. |
The flower of carrot fennel cumin and coriander apperars to be arising from the same point this inflorescence isA. corymbB. umbelC. compound umbelD. capitulum |
| Answer» Correct Answer - C | |
| 1369. |
Part of pistil which receives pollen isA. OvaryB. StyleC. StigmaD. Ovule |
|
Answer» Correct Answer - C The terminal receives portion of the style is called the stigma. It receives pollen grain during pollination |
|
| 1370. |
Which of the following will lose its economic value, if it fruits are produced by induced parthenocarpy?A. OrangeB. BananaC. GrapeD. Pomegranate |
| Answer» Correct Answer - D | |
| 1371. |
Flowers are unisexual inA. OnionB. PeaC. CucumberD. China rose |
| Answer» Correct Answer - C | |
| 1372. |
Wheat/rice grain is a fruit of the typeA. CypselaB. SamaraC. AcheneD. Caryopsis |
| Answer» Correct Answer - D | |
| 1373. |
Which of the following represents the edible part of the fruit of Litchi -A. MesocarpB. ArilC. Fleshy thalamusD. Cotyledons |
| Answer» Correct Answer - B | |
| 1374. |
Which of the following represents the edible part of the fruit of Litchi -A. PericarpB. MesocarpC. Juicy arilD. Endocarp |
| Answer» Correct Answer - C | |
| 1375. |
What type of placentation of seen in sweet peaA. AxileB. free centralC. marginalD. Basal |
|
Answer» Correct Answer - C In sweet pea (Pisum sativum), the placentation is marginal, in which, the placenta develops along the junction of two carpels, in a unilocular ovary. In basal placentation, the ovules are few or reduced to one and are borne at the base of ovary e.g. Compositae. In axile placentation, margins of carpels fold inwards, fusing together in centre of ovary to form a single central placenta. Ovary is divided into as many locules, as there are carpels, e.g. Hibiscus, Asphodelus. Free-central placentation possesses a placenta arises as a central upgrowth from ovary base, e.g. Stellana |
|
| 1376. |
What type of placentation of seen in sweet peaA. BasalB. AxileC. Free centralD. Marginal |
| Answer» Correct Answer - D | |
| 1377. |
Which one is endospermousA. Cajanus cajanB. Helianthus annusC. Ricinus communisD. Ravenala madagascariensis |
| Answer» Correct Answer - C | |
| 1378. |
What type of placentation of seen in sweet peaA. MarginalB. BasalC. AxileD. Free central |
|
Answer» Correct Answer - A Marginal placentation is seen in sweet pea. |
|
| 1379. |
Seeds of some plants germinate immdiately after shedding from the plants while in other plants they require a period of rest before germination. The later phenomena is called as dormancy. Give the reasons for seed sormancy and some methods to break it. |
|
Answer» Dormant seeds remain under non-germination conditions only for a specific period of time that may vary from days to years. This specific period is called dormancy period. Causes of seed Dormancy (a) In water plants the cause of dormancy is due to the impermeability of seed coat to water ,(e.g., Chenopodium, Trigonella, Meliotus) or oxygen (e.g., Brassica alba, Pyrus malus-Apple , Sinapis arvensis) or chermicals , (e.g., Xanthium) (b) In many plants, tough (hard) seed coats are the cause of dormancy as they provide mechanical resistance to embryo growth, e.g., Capsella, Lepidium. (c) Some seeds produce certain chemical substance , such as abscisic acid (ABA, most common), phenolic acids, coumarin, short chain fatty acid, etc. which inhibit the seed germination . These inhibitors may be present inside the fruit, (e.g., the fruit juice of tomato contains ferulic acid), in the embryo (e.g., Xanthium), endosperm (e.g., Iris) or seed-coat, (e.g., Cucurbita) (d) Shedded seeds like those of wheat, barley , oat etc., need an interval for ripening and gaining the ability to germinate. During the interval , the seeds produce necessary growth hormones. Methods of breaking dormanacy are as follows (i) Inactivation of growth inhibitors by heat or cold treatment (ii) Mechanical abrasions weaken the tough and impermeable seed coat. (iii) Microorganism present in the soil weaken and decompose hard seed coat. (iv) Washing away of inhibitiors by rain or irrgation water. (v) Maturation of embryo. |
|
| 1380. |
Mitochondria produce more energy duringA. Formation of seedB. Seed maturationC. Dormant seedD. Seed germination |
| Answer» Correct Answer - D | |
| 1381. |
In some halophytes, seeds germinate within fruits while attached to parent plant. The phenomenon isA. ViviparyB. HalophytosisC. MonocarpicD. Vernalisation |
| Answer» Correct Answer - A | |
| 1382. |
Which is not a product of rootA. SugarbeetB. CarrotC. RadishD. Potato |
|
Answer» Correct Answer - D Potato is a product of stem. |
|
| 1383. |
Potato is multiplied vegetatively with the help ofA. CornB. RhizomeC. TuberD. Phyllode |
|
Answer» Correct Answer - C Potato is modified vegetatively with the help of tuber. |
|
| 1384. |
How many plants in the list given below have composite fruits that develop from an inflorescence. Walnut, poppy, radish, fig, pineapple, apple, totato, mulberry.A. FourB. FiveC. TwoD. Three |
|
Answer» Correct Answer - D Fig, Pineapple and Mulberry develop from an inflorescence |
|
| 1385. |
Velamen is tissue found inA. ParasitesB. All epiphytesC. Aerial roots of some orchids/VandaD. Halophytes |
|
Answer» Correct Answer - C Velamen is a tissue found in aerial roots of some orchids/Vanda. |
|
| 1386. |
In an inflorescence where flowers are borne laterally in an acropetal succession,the position of the youngest floral bud shall beA. ProximalB. DistalC. IntercalaryD. Any where |
| Answer» Correct Answer - B | |
| 1387. |
Which of the following is / are correct ? I in dry fruits the pericarp is dry and is not differentiated into epicarp mesocarp and endocarp II in succulent fruits the pericarp is fleshy and is differentiated into epicarp mesocarp and endocarp III capsular fruits are those simple dry multi seeded after ripening and seeds are exposed IV achenial fruits are multiseeded dehiscent in which pericarp ruptures and seeds remain inside Choose the correct optionA. only IVB. I II and IIIC. All the theseD. none of these |
| Answer» Correct Answer - B | |
| 1388. |
Achenial fruits are simple dry single seeded indehiscednt fruits which do not dehisce after ripening and seeds remain inside the pericarp they may be I carypsis II siliqua III nut capsule choose the correct opttionA. I and IIB. II andIVC. only IIID. I and III |
| Answer» Correct Answer - D | |
| 1389. |
In hypogeal germination due to elongation of ….plumule comes out of the ground Or The portion of embryonal axis above cotyledon is called asA. HypocotylB. EpicotylC. CotyledonsD. Both (a) and (b) |
| Answer» Correct Answer - B | |
| 1390. |
In hypogeal germination due to elongation of ….plumule comes out of the ground Or The portion of embryonal axis above cotyledon is called asA. HypocotylB. EpicotylC. CotyledonsD. Both (1) and (2) |
| Answer» Correct Answer - B | |
| 1391. |
Berry is a fruit which is generallyA. fleshy and many seededB. fleshy and single seededC. dry and single seededD. dry and many seeded |
| Answer» Correct Answer - A | |
| 1392. |
Pentamerous actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit a capsule or berry, are characteristic features ofA. SolanaceaeB. LiliaceaeC. AsteraceaeD. Brassicaceae |
| Answer» Correct Answer - A | |
| 1393. |
Read the following matches regarding the placentation (i) Argemone - Axile (ii) China rose - Free central (iii) Lemon - Axile (iv) Mustard - Parietal Which of these are correct ?A. (i), (ii) and (iii)B. (ii), (iii) and (iv)C. (ii) and (iv)D. (iii) and (iv) |
| Answer» Correct Answer - D | |
| 1394. |
Read the following matches with reference to the fruit (i) Fig - Syconus (ii) Grape- Pome (iii) Papaya - Berry (iv) Mustard - Follicle Which of these are correct ?A. (i), (ii) and (iii)B. (ii), (iii) and (iv)C. (i) and (iii)D. (iii) and (iv) |
| Answer» Correct Answer - C | |
| 1395. |
Select the correct statement w.r.t. Mango and coconutA. They develop from monocarpellary superior ovariesB. They develop from monocarpellary inferior ovariesC. They have fibrous epicarpD. They have fleshy edible mesocarp |
| Answer» Correct Answer - A | |
| 1396. |
A common feature of mango, along and coconut isA. Fleshy mesocarpB. Edible endospermC. Stony endocarpD. Hard seed coat |
|
Answer» Correct Answer - C A common feature of mango, almond and coconut is stony endocarp because all have drupe fruit. |
|
| 1397. |
Figure-I-Mango, Figure-II-Coconut are shown in the following digram. Identify the parts of the fruit A,B,C and D are respectively A. Epicarp, Mesocarp,Embryo, EndocarpB. Epicarp, Mesocarp, Ovary,EndocarpC. Epicarp, Mesocarp,ovule,EndocarpD. Epicarp,Mesocarp,Seed,Endocarp |
| Answer» Correct Answer - D | |
| 1398. |
Vexillary aestivation is charactetic of the familyA. FabaceaeB. Asteraceae C. SolanaceaeD. Brassicaceae |
| Answer» Correct Answer - A | |
| 1399. |
Floran parts develop below the base of ovary in a flower calledA. EpigynousB. HypogynousC. AgynousD. Perigynous |
|
Answer» Correct Answer - B Other florals develop below the base of ovary in a flower called hypogynous. |
|
| 1400. |
Vexillary aestivation is charactetic of the familyA. FabaceaeB. AsteraceaeC. SolanaceaeD. Brassicaceae |
| Answer» Correct Answer - A | |