MCQOPTIONS
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MCQOPTIONS
This section includes 266 Mcqs, each offering curated multiple-choice questions to sharpen your Master of Arts in Economics (M.A. Economics) knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
During elongation phase of growth |
| A. | cell volume increases |
| B. | plasticity of cell wall increases |
| C. | wall pressure is reduced |
| D. | all of the above |
| Answer» E. | |
| 152. |
If lobster loses its pincer claw |
| A. | a new claw regenerates |
| B. | it becomes impaired |
| C. | it dies |
| D. | none of the above |
| Answer» B. it becomes impaired | |
| 153. |
Vitamins fall in the category of |
| A. | external factor for growth |
| B. | internal factor for growth |
| C. | both external and internal factor |
| D. | none of the above |
| Answer» C. both external and internal factor | |
| 154. |
The regeneration characteristic of alga was showed by |
| A. | hammerlings |
| B. | spemann |
| C. | hans driesch |
| D. | none of the above |
| Answer» B. spemann | |
| 155. |
Vascular and cork cambium are the examples of |
| A. | lateral meristems |
| B. | apical meristems |
| C. | intercalary meristems |
| D. | collenchyma |
| Answer» B. apical meristems | |
| 156. |
The cytoplasm is cut underneath and is separated from the yolk by |
| A. | third cleavage |
| B. | first cleavage |
| C. | fourth cleavage |
| D. | fifth cleavage |
| Answer» B. first cleavage | |
| 157. |
Acetabularia is a kind of |
| A. | fungi |
| B. | protist |
| C. | multicellular alga |
| D. | unicellular alga |
| Answer» E. | |
| 158. |
Spemann divided the zygote of salamander into |
| A. | three parts |
| B. | two equal halves |
| C. | four halves |
| D. | five halves |
| Answer» C. four halves | |
| 159. |
Different cytoplasmic components contain different |
| A. | morphogenetic determinants |
| B. | phsiological determinants |
| C. | histologic determinants |
| D. | anatomic determinants |
| Answer» B. phsiological determinants | |
| 160. |
Zygote contains complete information about the individual in the form of |
| A. | karyotype |
| B. | mitochondria |
| C. | genome |
| D. | cytoplasm |
| Answer» D. cytoplasm | |
| 161. |
Rounded closely packed mass of blastomeres is called |
| A. | gastrula |
| B. | morula |
| C. | neurula |
| D. | hypoblast |
| Answer» C. neurula | |
| 162. |
Vitamins are synthesized within the plant body in the presence of |
| A. | light |
| B. | heat |
| C. | cold |
| D. | fog |
| Answer» B. heat | |
| 163. |
The fertilized egg of an ascidian contains cytoplasm of |
| A. | one colour |
| B. | four different colours |
| C. | three different colours |
| D. | five different colours |
| Answer» C. three different colours | |
| 164. |
The cell volume during elongation increases upto |
| A. | 10 folds |
| B. | 100 folds |
| C. | 150 folds |
| D. | 200 folds |
| Answer» D. 200 folds | |
| 165. |
The reciprocal relationship between growth and development is known as |
| A. | growth correlation |
| B. | growth co-ordination |
| C. | development pattern |
| D. | growth co-operation |
| Answer» B. growth co-ordination | |
| 166. |
Recent studies prove that development depends on the position of |
| A. | nucleus |
| B. | white matter |
| C. | gray crescent |
| D. | yolk |
| Answer» D. yolk | |
| 167. |
Carbondioxide is essential for plants to carry out the process of |
| A. | flowering |
| B. | transpiration |
| C. | photosynthesis |
| D. | evapotranspiration |
| Answer» D. evapotranspiration | |
| 168. |
The first two cleavage planes are |
| A. | hortizontal |
| B. | one horizontal and one vertical |
| C. | vertical |
| D. | none of the above |
| Answer» D. none of the above | |
| 169. |
Cylinders of dividing cells contributing to secondary growth are called |
| A. | apical meristem |
| B. | intercalary meristems |
| C. | lateral meristems |
| D. | pith |
| Answer» D. pith | |
| 170. |
Spemann performed experiments to understand the concept of |
| A. | growth |
| B. | development |
| C. | differentiation |
| D. | selection |
| Answer» D. selection | |
| 171. |
Somites are seen in the emryo of about |
| A. | 12-14 hours |
| B. | 15-16 hours |
| C. | 25-26 hours |
| D. | 20-23 hours |
| Answer» D. 20-23 hours | |
| 172. |
From the two cell of salamander zygote the one that kept dividing had |
| A. | mitochondria |
| B. | nucleus |
| C. | ribosomes |
| D. | golgi apparatus |
| Answer» C. ribosomes | |
| 173. |
The discoidal cap of cells above the blastocoele is called |
| A. | blastoderm |
| B. | blastocoele |
| C. | area opaca |
| D. | area pellucida |
| Answer» B. blastocoele | |
| 174. |
The plant growth ceases in the absence of |
| A. | oxygen |
| B. | water |
| C. | vitamins |
| D. | all of the above |
| Answer» E. | |
| 175. |
The fact that each cell contains all the genetic information of the original zygote was proved by |
| A. | spemann |
| B. | hammerlings |
| C. | hans driesch |
| D. | darwin |
| Answer» D. darwin | |
| 176. |
The process of formation of germ layers is called |
| A. | fertilization |
| B. | gastrulation |
| C. | gamete formation |
| D. | growth |
| Answer» C. gamete formation | |
| 177. |
The study of aging is called |
| A. | geronotology |
| B. | histology |
| C. | physiology |
| D. | anthropology |
| Answer» B. histology | |
| 178. |
During the course of development the blastoderm shape changes from circular to |
| A. | apple shaped |
| B. | oval shaped |
| C. | pear shaped |
| D. | triangular shape |
| Answer» D. triangular shape | |
| 179. |
The growth of plants is influenced by |
| A. | intensity of light |
| B. | quality of light |
| C. | duration of light |
| D. | all of the above |
| Answer» E. | |
| 180. |
The removed ectoderm from a frog's embryo developed |
| A. | an indiviual frog |
| B. | frog with normal nervous systen |
| C. | frog with defective nervous system |
| D. | none of the above |
| Answer» D. none of the above | |
| 181. |
The process of aging can be slowed by |
| A. | better nutrition |
| B. | improved living conditions |
| C. | adequate sleep |
| D. | all of the above |
| Answer» E. | |
| 182. |
In artificial incubators the temperature is usually regulated between |
| A. | 20-30 |
| B. | 36-38 |
| C. | 40-45 |
| D. | 45-50 |
| Answer» C. 40-45 | |
| 183. |
The ability of regeneration is present in |
| A. | lobster |
| B. | sponges |
| C. | starfish |
| D. | all of the above |
| Answer» E. | |
| 184. |
At each end of nural tube small openings are present called |
| A. | neuro-pores |
| B. | neuro openings |
| C. | neurosomes |
| D. | neuralgates |
| Answer» B. neuro openings | |
| 185. |
The lateral plate mesoderm is splitted into |
| A. | somatic mesoderm |
| B. | splanchnic mesoderm |
| C. | epiblast |
| D. | both a and b |
| Answer» E. | |
| 186. |
The sponges for regeneration take |
| A. | seconds |
| B. | hours |
| C. | weeks |
| D. | months |
| Answer» E. | |
| 187. |
Primary tissue is added by the |
| A. | apical meristem |
| B. | lateral meristem |
| C. | intercalary meristems |
| D. | none of the above |
| Answer» B. lateral meristem | |
| 188. |
Immediately after fertilization the egg undergoes a series of divisions called |
| A. | mitotic divisions |
| B. | meiotic divisions |
| C. | cleavage |
| D. | seggregation |
| Answer» D. seggregation | |
| 189. |
In the center of the blastoderm the cells are |
| A. | larger |
| B. | flattened |
| C. | smaller |
| D. | huge |
| Answer» D. huge | |
| 190. |
The ability to regain or recover the lost or injured part of body is called |
| A. | recreation |
| B. | regeneration |
| C. | reproduction |
| D. | reformation |
| Answer» C. reproduction | |
| 191. |
The signs of aging include |
| A. | loss of hair pigment |
| B. | dryness and wrinkling of skin |
| C. | forgetfulness |
| D. | all of the above |
| Answer» E. | |
| 192. |
The part of apical meristem which get separated from apex by permanent tissues are called |
| A. | apical meristem |
| B. | intercalary meristems |
| C. | lateral meristems |
| D. | apical tissue |
| Answer» C. lateral meristems | |
| 193. |
Somites are compact cell masses lying immediately lateral to |
| A. | neural folds |
| B. | neural plate |
| C. | neural groove |
| D. | yolk |
| Answer» B. neural plate | |
| 194. |
Gene controlled substances are mostly present in the |
| A. | cell membrane |
| B. | cytoplasm |
| C. | cell wall |
| D. | nucleus |
| Answer» C. cell wall | |
| 195. |
The effect of auxin diffusing from the apical bud on the lateral shoots is known as |
| A. | promoting effect |
| B. | compensatory effect |
| C. | inhibitory effect |
| D. | supporting effect |
| Answer» D. supporting effect | |
| 196. |
The epiblast is mainly presumptive |
| A. | ectoderm |
| B. | mesoderm |
| C. | endoderm |
| D. | both a and b |
| Answer» E. | |
| 197. |
Lateral meristems are present in |
| A. | dicots |
| B. | gymnosperms |
| C. | monocots |
| D. | both a and b |
| Answer» E. | |
| 198. |
Blastoderm splits during |
| A. | neurulation |
| B. | gastrulation |
| C. | blastulation |
| D. | none of the above |
| Answer» C. blastulation | |
| 199. |
In the tip of root and shoot young cells |
| A. | posses spherical nuclei |
| B. | are non-vacuolated |
| C. | posses nuclei in the center of cytoplasm |
| D. | all of the above |
| Answer» E. | |
| 200. |
Acetabularia crenutala has a |
| A. | regular shaped cap |
| B. | circular shaped cap |
| C. | irregular shaped cap |
| D. | cone shaped cap |
| Answer» D. cone shaped cap | |