InterviewSolution
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InterviewSolution
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.
| 151. |
Exponential growth occur inA. yeastB. asexual reproductionC. bacteriaD. all of these |
| Answer» Correct Answer - B | |
| 152. |
Monocarpic plantA. flowers twice in every yearB. bears only one type of flowerC. flowers once in every yearD. dies after flowering once in its life cycle |
| Answer» Correct Answer - D | |
| 153. |
Assertion: A plant biotype can be retained and multiplied identifinitely without any change or variation by the method of asexual reproduction Reason: Asexual reproduction does not involve meiosis and syngamyA. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason is false |
| Answer» Correct Answer - A | |
| 154. |
Among the following which one is not a method of asexual reproduction ?A. BuddingB. LayeringC. SowingD. Binary fission |
| Answer» Correct Answer - C | |
| 155. |
From which cells peripheral region of radicle is producedA. vegetative cellB. HypophysisC. Apical octantD. Micropylar octant |
| Answer» Correct Answer - B | |
| 156. |
Which one of the following is concerned with asexual perproduction ?A. BudsB. GonadsC. ZygotesD. Gametes |
| Answer» Correct Answer - A | |
| 157. |
Muitiple fission occurs in :A. HydraB. PlanariaC. PlasmodiumD. all of these |
| Answer» Correct Answer - C | |
| 158. |
Which of the following animals is having longitudinal binary fissionA. HydraB. EuglenaC. PlanariaD. Plasmodium |
| Answer» Correct Answer - B | |
| 159. |
Which of the following animals is having longitudinal binary fissionA. EuglenaB. PlasmodiumC. PlanariaD. Paramecium |
| Answer» Correct Answer - A | |
| 160. |
Longitudinal binary fission takes place inA. EuglenaB. ParameciumC. BacteriaD. Diatoms |
| Answer» Correct Answer - A | |
| 161. |
Gamma cups are located on the male and female thalmi of Marchantia asA. they are always attached to thalamiB. they are detached from the parent body and germinate to form new individualsC. Gemma cups are protective in functionD. they produce gametes |
| Answer» Correct Answer - B | |
| 162. |
In Earthworms ,self fertilization dose not occur due toA. HypogynyB. ProtogynyC. ProtandryD. Epigyny |
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Answer» Correct Answer - C Earthworms are bisexual but self fertilization does not occur because their testes ripes first They are protandrous. |
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| 163. |
Binary fission is found inA. AmoebaB. ParameciumC. PlanariaD. All of these |
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Answer» Correct Answer - D Binary fission occurs in Amoeba Paramecium and planaria. |
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| 164. |
In Sansevieria, the mode of vegetative propagation is throughA. Stem cuttingsB. Leaf cuttingsC. Rhizome cuttingsD. None of these |
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Answer» Correct Answer - B The small piece of any plant organ (root, stem or leaf) used for propagation is called cutting leaf cutting are used to propagate Sansevieria, Begonia Bryophyllum Glocinia etc. |
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| 165. |
A part of root of Dalbergia placed in the soil willA. SproutB. DecayC. Develop underground complexD. Grow depending upon availbility of food. |
| Answer» Correct Answer - A | |
| 166. |
Onion is propagated through itsA. tubersB. bulbsC. seedsD. rhizomes |
| Answer» Correct Answer - B | |
| 167. |
Which root will form a new plantA. PopulusB. DahliaC. AzadirachtaD. Both A and B. |
| Answer» Correct Answer - D | |
| 168. |
Onion is propagated through itsA. TubersB. BulbsC. SeedsD. Rhizomes. |
| Answer» Correct Answer - B | |
| 169. |
It is more economical to propagate Potato and Artichoke throughA. flowersB. tubersC. seedsD. roots |
| Answer» Correct Answer - B | |
| 170. |
It is more economical to propagate Potato and Artichoke throughA. Pieces of tubersB. Whole tubersC. SeedsD. Tissue culture. |
| Answer» Correct Answer - A | |
| 171. |
To get haploid callus, one can cultureA. EmbryoB. Leaf tissueC. StigmaD. Pollen grain |
| Answer» Correct Answer - D | |
| 172. |
Formation of the whole body of an organism from a small fragment is calledA. morphallaxisB. epimorphosisC. morphogenesisD. metabolism |
| Answer» Correct Answer - A | |
| 173. |
The vegetative propagation where a branch is injured defoliated and pegged down in the ground in know asA. layeringB. graftingC. cuttingD. bud grafting |
| Answer» Correct Answer - A | |
| 174. |
Fleshy buds produced in the axil of the leaves, which grow to form new plants when shed and on ground, are calledA. bulbsB. bulbilsC. tubersD. offsets |
| Answer» Correct Answer - B | |
| 175. |
When male differs female in morphol-ohy, it is calledA. heterogamyB. homogamyC. sexual dimorphismD. hermaphroditism |
| Answer» Correct Answer - C | |
| 176. |
A: The number of male gametes produces is always greater than the number of female gametes produced. R: A large number of male gametes fail to reach upto the female gamete.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertionB. It both Assertion & Reason are true but the reason is not the correct explanation of the assertionC. If Assertion is true statement but Reason is falseD. If both Assertion and Reason are false statements |
| Answer» Correct Answer - A | |
| 177. |
Why do moss plants produce very large number of male gametes ? Provide one reasons. What are these gametes called ? |
| Answer» Water is necessary for the transfer of male gametes to reach the female gametes. A large no. of gametes are lost during transport. Henec, they are produced in large numbers. The male gametes are termed antherozoids. | |
| 178. |
IN grafting, scion formsA. Shoot systemB. Root systemC. New plantD. Hybrid plant. |
| Answer» Correct Answer - A | |
| 179. |
Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses ?A. Mode of NutritionB. Multiplication by fragmentationC. Diplontic life cycleD. Members of kindom plantae |
| Answer» Correct Answer - B | |
| 180. |
Banna is vegetatively propagated byA. tubersB. rhizomesC. bulbsD. suckers |
| Answer» Correct Answer - B | |
| 181. |
Which one of the following is common to multicellular fungi, filamentous algae and protonema of mossesA. Diplontic life cycleB. Members of kingdom plantaeC. Mode of NutritionD. Multiplication by fragmenatation |
| Answer» Correct Answer - D | |
| 182. |
Majority of sexually reproducing organisms fromA. IsogametesB. HomogametersC. HeterogametesD. More than one option is correct |
| Answer» Correct Answer - C | |
| 183. |
Chromosome number in gamete of ornnion isA. 8B. 16C. 24D. 32 |
| Answer» Correct Answer - B | |
| 184. |
In flowering plants, zygote is formedA. Inside ovuleB. inside archegoniumC. In waterD. More than one option is correct |
| Answer» Correct Answer - A | |
| 185. |
Fill in the blanks w.r.t chromosome number in meiocy and gamete |
| Answer» 1. A-48, 2. B-10, 3. C-24 | |
| 186. |
What does the following diagram represent ? |
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Answer» (a) Homogametes of Cladophora (b) Heterogametes of Fucus |
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| 187. |
Which of the following feature is universal in all sexually reproducing rganisms ?A. Embryo formationB. Gametic meiosisC. Zygote formationD. Pollen grain transfer |
| Answer» Correct Answer - C | |
| 188. |
Choose odd one w.r.t. sexualityA. CoconutB. CucurbitsC. CharaD. Papaya |
| Answer» Correct Answer - D | |
| 189. |
Choose incorrect matchA. Bulbil - AgaveB. Sucker - PineappleC. Tuber - BryophyllumD. Rummer-Grasses |
| Answer» Correct Answer - C | |
| 190. |
Exogenous budding is usually sen inA. yeastB. HydraC. annelidsD. both a and b |
| Answer» Correct Answer - D | |
| 191. |
Menstrual cycle occurs inA. old world monkeysB. apesC. humansD. all of these |
| Answer» Correct Answer - D | |
| 192. |
Isogametes are present inA. FuccusB. CladophoraC. FrogD. Bird |
| Answer» Correct Answer - B | |
| 193. |
Name the last phase of life span that ultimately leads to death. Give the important changes that occur in the body during this phase. |
| Answer» Name of the phase of life span is senescence or old age. The two important changes that occur during old age are -(i) End of reproductive phase and (ii) Slowing of metabolism. | |
| 194. |
What are the main causative factors which regulate the reproductive processes and related behavioural expressions in organisms ? |
| Answer» Interaction between hormones and certain environmental factors. | |
| 195. |
What will you do to convert a bisexual flower into a female so that it is cross pollinated artificially. |
| Answer» Bisexual flower possesses both stamens and the pistil. The stamens are the male reporeductive organs which must be removed in order to get the flower converted into female. Stamens are femoved on after the other wit hte help of a pair of forceps. This done in the bud condition of a fllower and then the pistils is protected till maturity for pollination with desired pollen grains. | |
| 196. |
It is obsereved that gemets of both haploid and diploid parents are haploid. Name the kind of cell division during of gemet formation in case of haploid and dipolid organisms. |
| Answer» The type of cell division during gamete formation in haploid parents in mitotic and that in diploid parents is meiosis. | |
| 197. |
In angiosperms, the pollen germinates to produce pollen tube that carries two gametes. what is the pupose of carrying gamete formation when single gemet can fertilize the egg? |
| Answer» Angiosperms peform double fertilization in which one male gemet fuses with the egg to form zygote and the other gemet fuses with the diploid secondry nucleus to from the triploid primary endosperm nucleus. | |
| 198. |
State true or false : (i) Unisexual flowers occur in china rose (ii) Monoecious condition in lower plants is absent. |
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Answer» (i) False (ii) False |
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| 199. |
Explain features of generrations |
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Answer» (a) Vital link between two generations (b) Always single called (c ) Always diploid |
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| 200. |
Fill in the blanks |
| Answer» (A)-Inside body, (B)-More , (C )-Less , (D) -All land plants | |