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. |
What is the primary function of root ? |
| Answer» It absorbs water and minerals from the soil | |
| 152. |
Which type of root is found in monocots ? |
| Answer» Correct Answer - Fibrous root | |
| 153. |
What are the characteristic features of monocots ? |
| Answer» Parallel venation in leaves , scattered vascular bundles in stem and trimerous flowers(floral whorls in groups of 3 ) are the characteristic features of monocots. | |
| 154. |
What is hypophysis ? |
| Answer» The lowest cell of the suspensor is called hypophysis | |
| 155. |
What shape is a young dicot embryo ? |
| Answer» Correct Answer - Globular | |
| 156. |
Mature sclerenchyma cells areA. livingB. deadC. not packed closelyD. thickened with cellulose |
| Answer» Correct Answer - B | |
| 157. |
The main function of sclerenchyma is toA. synthesize foodB. store foodC. give mechanical supportD. store waste products |
| Answer» Correct Answer - C | |
| 158. |
Name the stain used for staining animal cells. |
| Answer» Methylene blue | |
| 159. |
What is the main constituent of cell walls ? |
| Answer» Correct Answer - Cellulose | |
| 160. |
Which part of the embryo forms the root in a plant ? |
| Answer» Correct Answer - Radicle | |
| 161. |
Which of these organs of a bird is not found in human ?A. PectenB. IntestineC. LiverD. Kidney |
| Answer» Correct Answer - A | |
| 162. |
When `SO_(2)` gas is passed through and acidified solution of `K_(2)Cr_(2)O_(7)` the orange colour of the solution changes toA. redB. orangeC. greenD. black |
| Answer» Correct Answer - C | |
| 163. |
How long does endosmosis continue ? |
| Answer» Endosmosis continues until the concentration of water molecules becomes equal inside and outside the cell | |
| 164. |
What is endosmosis ? |
| Answer» The movement of water into the cell across a semipermeable membrane is called endosmosis | |
| 165. |
Why should e dry the raisins with blotting paper gently after taking them out of water ? |
| Answer» Any extra water present on the outer surface of the raisins will increase the final weight and give an incorrect result | |
| 166. |
How is osmosis different from diffusion ? |
| Answer» In osmosis a semipermeable membrane is present between the two solutions , while in diffusion there is no such membrane. | |
| 167. |
Which of the following is an example of simple permanent tissue in plants ?A. ParenchymaB. CollenchymaC. SclerenchymaD. All of these |
| Answer» Correct Answer - D | |
| 168. |
Where is embryo located ? |
| Answer» Embryo is located inside ovule | |
| 169. |
Why does globular embryo change to heart-shaped structure on maturity ? |
| Answer» Due to its differentiation into cotyledons | |
| 170. |
Which of the following simple permanent tissues does not have closely packed cells ?A. SclerenchymaB. ParenchymaC. CollenchymaD. All of these |
| Answer» Correct Answer - B | |
| 171. |
The products formed when sodium sulphite is made to react with dilute hydrochloric acid areA. ` SO_(2) and H_(2)O`B. `NaCI, H_(2)S and H_(2)O`C. `NaCl, SO_(2) and H_(2)O`D. `NaCI, H_(2)O and CI_(2)` |
| Answer» Correct Answer - C | |
| 172. |
Which of the following compounds will react with hydrochloric acid to fromsalt and water ?A. `Na_(2)SO_(4)`B. `H_(2)SO_(4)`C. NaOHD. `CaCI_(2)` |
| Answer» Correct Answer - C | |
| 173. |
What is the colour of a solution of copper sulphate in water ? |
| Answer» Correct Answer - Blue | |
| 174. |
Which structure in an earthworm is responsible for absorption ?A. TyphlosoleB. GizzardC. Hepatic caecaD. pharynx |
| Answer» Correct Answer - A | |
| 175. |
Cockroaches live inA. bright lightB. dark placesC. dry placesD. ponds |
| Answer» Correct Answer - B | |
| 176. |
An earthworm lacksA. haemoglobinB. teethC. nephridiaD. pharynx |
| Answer» Correct Answer - B | |
| 177. |
Earthworm lackA. nervesB. heartC. kidneyD. haemoglobin |
| Answer» Correct Answer - C | |
| 178. |
Which of the following statements is correct ?A. All fish are jawlessB. All fish are toothlessC. Some fish have additional breathing organsD. Fish have haemoglobin in its RBC |
| Answer» Correct Answer - C | |
| 179. |
All fish lackA. eyesB. swim bladdersC. sexual organsD. limbs |
| Answer» Correct Answer - D | |
| 180. |
All fish areA. scalyB. scalelessC. devoid of medullaD. active balancers |
| Answer» Correct Answer - D | |
| 181. |
The organ which regulates the buoyancy of fish in water is calledA. air sacB. tracheaC. swim bladderD. barb |
| Answer» Correct Answer - C | |
| 182. |
All fish lackA. liverB. endocrine glandC. limbsD. mucous gland |
| Answer» Correct Answer - C | |
| 183. |
The body of an earthworm isA. thin and moistB. hard and dryC. yellowD. black |
| Answer» Correct Answer - A | |
| 184. |
Leeches do not haveA. TestesB. distinct clitellumC. gutD. suckers |
| Answer» Correct Answer - B | |
| 185. |
The scale of fish areA. respiratoryB. protectiveC. excretoryD. glandular |
| Answer» Correct Answer - B | |
| 186. |
Which of the following is a feature of Agaricus ?A. An umbrella-shaped , white, fleshy structureB. A mycelial plant bodyC. Saprophytic habitD. All of these |
| Answer» Correct Answer - D | |
| 187. |
Agaricus is commonly calledA. bread mouldB. black mouldC. mushroomD. bracket fungi |
| Answer» Correct Answer - C | |
| 188. |
Which of the following commonly grows on decaying organic matter during the rainy season ?A. ChlamydomonasB. MouldC. SpirogyraD. Agaricus |
| Answer» Correct Answer - D | |
| 189. |
Which of the following is a feature of Agaricus ?A. An umbrella -shaped , white ,fleshy structureB. A mycelial plant bodyC. Saprophytic habitD. All of these |
| Answer» Correct Answer - D | |
| 190. |
What will be the effect of dilute hydrochloric acid on a blue litmus paper ? |
| Answer» Blue litmus paper will trun red . | |
| 191. |
Which of the following is a mixture ?A. AirB. Hydrogen sulphide gasC. AlcoholD. Limestone |
| Answer» Correct Answer - A | |
| 192. |
Which of the following is a mixture ?A. An aqueous solution of sugarB. An aqueous solution of potassium nitrateC. AirD. Sulphuric acid |
| Answer» Correct Answer - C | |
| 193. |
What is the mass ratio of iron and sulphur in which they combine to fromiron sulphide ?A. `2:3`B. ` 3:2 `C. `5.6 : 3.2`D. ` 3: 3` |
| Answer» Correct Answer - D | |
| 194. |
Which of the following statements is valid for a mixture ?A. It is always homogeneous .B. The components do not have their individual properties.C. The components retain their individual properties.D. none of the above |
| Answer» Correct Answer - D | |
| 195. |
What is the substance called when it is present in a solution in lesser amount than the amount of the solvent ?A. SolutionB. SolventC. SoluteD. Catalyst |
| Answer» Correct Answer - C | |
| 196. |
What is the mass ratio of iron and sulphur in which they combine to form iron sulphide ?A. `2:3`B. `3:2`C. `5.6:3.2`D. `3:3` |
| Answer» Correct Answer - C | |
| 197. |
What is the difference between a homogeneous mixture and a heterogeneous mixture ? |
| Answer» A homogeneous mixture is one in which the composition of the components is the same throughout the body of the mixture . But , in a heterogeneous mixture the composition of the components is not same throughout. | |
| 198. |
Which one of the following is an example of a heterogeneous mixture ?A. Alum and waterB. Lime and waterC. Sodium chloride and waterD. Sand and sugar |
| Answer» Correct Answer - D | |
| 199. |
Milk provides an example of aA. suspensionB. colloidal solutionC. true solutionD. homogeneous mixture |
| Answer» Correct Answer - B | |
| 200. |
Which of the following pH values corresponds to that of a basic solution ?A. 2B. 4C. 6D. 8 |
| Answer» Correct Answer - D | |