MCQOPTIONS
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MCQOPTIONS
This section includes 379 Mcqs, each offering curated multiple-choice questions to sharpen your VITEEE knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
After menupause, female stops producing |
| A. | saliva |
| B. | polar body |
| C. | ova |
| D. | estrogen |
| Answer» D. estrogen | |
| 152. |
Corpus luteum secretes hormone |
| A. | estrogen |
| B. | progesterone |
| C. | testosterone |
| D. | oxytocin |
| Answer» C. testosterone | |
| 153. |
Despite tape worm being bisexual, cross fertilization is ensured to maintain |
| A. | genetic recombination |
| B. | genetic variability |
| C. | new combinations of traits |
| D. | all of the above |
| Answer» E. | |
| 154. |
Fruit ripening is often accompanied by a burst of respiratory activity called |
| A. | climacteric |
| B. | oxidation |
| C. | reduction |
| D. | bursting |
| Answer» B. oxidation | |
| 155. |
Spermatogonia increase in size and differentiate into |
| A. | secondary spermatocytes |
| B. | primary spermatocytes |
| C. | spermatids |
| D. | oocytes |
| Answer» C. spermatids | |
| 156. |
Between uterine and foetal tissue a circular organ is established called |
| A. | pericardium |
| B. | scrotum |
| C. | peritoneum |
| D. | placenta |
| Answer» E. | |
| 157. |
Twins which are produced asexually are |
| A. | dizygotic twins |
| B. | non-identical twins |
| C. | identical twins |
| D. | diembryonic twins |
| Answer» D. diembryonic twins | |
| 158. |
Each testis consists of a highly complex duct system called |
| A. | follicle cells |
| B. | glomerulus |
| C. | seminiferous tubules |
| D. | interstitial cells |
| Answer» D. interstitial cells | |
| 159. |
Genetic variations are produced in |
| A. | asexual reproduction |
| B. | sporulation |
| C. | meiosis |
| D. | clonning |
| Answer» D. clonning | |
| 160. |
Red light promotes |
| A. | germination of fern spores |
| B. | leaf expansion in dicots |
| C. | leaf unrolling in grasses |
| D. | all of the above |
| Answer» E. | |
| 161. |
Estrogen production stimulates the |
| A. | endometrium |
| B. | vascularization of endometrium |
| C. | inhibition of secretion follicle stimulating hormone (FSH) |
| D. | all of the above |
| Answer» E. | |
| 162. |
Organs producing reproductive cells are called |
| A. | gametes |
| B. | gonads |
| C. | globules |
| D. | glands |
| Answer» C. globules | |
| 163. |
From which fungi class ,yeast belongs to |
| A. | unicellular fungi |
| B. | multicellular fungi |
| C. | bicellular fungi |
| D. | tricellular fungi |
| Answer» B. multicellular fungi | |
| 164. |
Budding and spore formation are examples of |
| A. | sexual reproduction |
| B. | asexual reproduction |
| C. | unisexual reproduction |
| D. | bisexual reproduction |
| Answer» C. unisexual reproduction | |
| 165. |
Fertilization is not involved in |
| A. | sexual reproduction |
| B. | asexual reproduction |
| C. | bisexual reproduction |
| D. | trisexual reproduction |
| Answer» C. bisexual reproduction | |
| 166. |
More motile gametes are |
| A. | male |
| B. | female |
| C. | both |
| D. | gonads |
| Answer» B. female | |
| 167. |
Corticosteroids produced by fetus enter maternal blood circulation and cause |
| A. | decrease in progesterone production |
| B. | increase in progesterone production |
| C. | decrease in oxytocin production |
| D. | decrease in testosterone production |
| Answer» B. increase in progesterone production | |
| 168. |
Vas deferens becomes highly convulated to form |
| A. | epididymis |
| B. | prepuce |
| C. | sperm duct |
| D. | symphysis pubis |
| Answer» B. prepuce | |
| 169. |
If two generations during alternation of generation in plants are vegetatively similar it is referred to as |
| A. | heteromorphic |
| B. | isomorphic |
| C. | diplohaplontic |
| D. | none of the above |
| Answer» C. diplohaplontic | |
| 170. |
Decrease of follicle stimulating hormone (FSH) and increase of estrogen causes pituitary gland to secrete |
| A. | testosterone |
| B. | androgen |
| C. | luteinizing hormone |
| D. | thyroxine |
| Answer» D. thyroxine | |
| 171. |
Artificial mode of reproduction in plants is |
| A. | layering |
| B. | grafting |
| C. | budding |
| D. | all of the above |
| Answer» E. | |
| 172. |
Tobacco is included in category of |
| A. | short day plants |
| B. | long day plants |
| C. | day neutral plants |
| D. | neutral plants |
| Answer» B. long day plants | |
| 173. |
In case of no fertilization, |
| A. | progesterone secretion diminishes |
| B. | progesterone's spongy effect on endometrium reduces |
| C. | endometrium suffers a breakdown |
| D. | all of the above |
| Answer» E. | |
| 174. |
Layering can be done on plants such as |
| A. | bulbs |
| B. | lime |
| C. | sugar cane |
| D. | oleander |
| Answer» C. sugar cane | |
| 175. |
A pair of ovoid glandular structures responsible for production of sperms are called |
| A. | testes |
| B. | ovaries |
| C. | cervix |
| D. | sperm duct |
| Answer» B. ovaries | |
| 176. |
A single parental organism which gives rise to offspring by mitotic cell division is called |
| A. | sexual reproduction |
| B. | asexual reproduction |
| C. | reduction division |
| D. | budding |
| Answer» C. reduction division | |
| 177. |
Ovum, after release, is then transferred to |
| A. | oviduct |
| B. | sperm duct |
| C. | vas deferens |
| D. | epididymis |
| Answer» B. sperm duct | |
| 178. |
Sperm duct from each side passes into the |
| A. | ureter |
| B. | rectum |
| C. | testis |
| D. | abdominal cavity |
| Answer» E. | |
| 179. |
During night, a plant has phytochrome in form of |
| A. | p730 |
| B. | P660 |
| C. | p700 |
| D. | p660 |
| Answer» C. p700 | |
| 180. |
Junction of stock and scion is protected through wax in |
| A. | budding |
| B. | grafting |
| C. | layering |
| D. | marcotting |
| Answer» B. grafting | |
| 181. |
Passing out of placenta after birth is called |
| A. | after birth |
| B. | break down |
| C. | birth release |
| D. | birth exit |
| Answer» B. break down | |
| 182. |
Fruit chambers are also known as |
| A. | loculus |
| B. | glumes |
| C. | bracts |
| D. | globules |
| Answer» B. glumes | |
| 183. |
Ovary under stimulus of follicle stimulating hormone (FSH) produces |
| A. | estrogen |
| B. | testosterone |
| C. | oxytocin |
| D. | thyroxine |
| Answer» B. testosterone | |
| 184. |
Genetically identical parents and offspring's are known as |
| A. | gametes |
| B. | spores |
| C. | clones |
| D. | twins |
| Answer» D. twins | |
| 185. |
Genital soreness and ulcers are caused in disease |
| A. | gonorrhoa |
| B. | syphilis |
| C. | genital herpes |
| D. | acquired immune deficiency syndrome (AIDS) |
| Answer» D. acquired immune deficiency syndrome (AIDS) | |
| 186. |
Antibodies are produced commercially by mixing a lymphocyte with |
| A. | bacteria |
| B. | fungus |
| C. | tumor cell |
| D. | non-living tissue |
| Answer» D. non-living tissue | |
| 187. |
Mechanism that produces new generations and maintains a specie is |
| A. | inheritance |
| B. | reproduction |
| C. | heredity |
| D. | budding |
| Answer» C. heredity | |
| 188. |
Biological clock once stimulated produces a hormone for initiating flowering that is |
| A. | cytokinin |
| B. | florigen |
| C. | auxin |
| D. | ethene |
| Answer» C. auxin | |
| 189. |
Baby resulting from zygote as a result of invitro fertilization outside female body is known as |
| A. | fraternal twin |
| B. | identical twin |
| C. | test tube baby |
| D. | genetic baby |
| Answer» D. genetic baby | |
| 190. |
Embryo of seed is developed through |
| A. | zygote |
| B. | endosperm nucleus |
| C. | testa |
| D. | antipodes |
| Answer» B. endosperm nucleus | |
| 191. |
In walls of seminiferous tubules, cells that secrete seminal fluid are called |
| A. | leydig cells |
| B. | sertoli cells |
| C. | germ cells |
| D. | epithelium cells |
| Answer» C. germ cells | |
| 192. |
Method in which fertilized egg is retained within female's body is called |
| A. | oviparity |
| B. | ovoviparity |
| C. | viviparity |
| D. | viparity |
| Answer» C. viviparity | |
| 193. |
Secondary spermatocytes and spermatids are formed by meiotic division in |
| A. | primary spermatocytes |
| B. | spermatogonia |
| C. | primary oocytes |
| D. | polar body |
| Answer» B. spermatogonia | |
| 194. |
Human embryo is referred to as 'the fetus' from beginning of |
| A. | 1st month of pregnancy |
| B. | 2nd month of pregnancy |
| C. | 3rd month of pregnancy |
| D. | 4th month of pregnancy |
| Answer» D. 4th month of pregnancy | |
| 195. |
For flowering of plants, most critical factor is |
| A. | length of the dark period |
| B. | length of the day |
| C. | length of exposure to light |
| D. | length of exposure to red light |
| Answer» B. length of the day | |
| 196. |
Diploid parthenogenesis occurs in |
| A. | hydra |
| B. | aphid |
| C. | honey bee |
| D. | mosquito |
| Answer» C. honey bee | |
| 197. |
Oestrous cycle is found in all mammals except |
| A. | dogs |
| B. | cats |
| C. | humans |
| D. | bears |
| Answer» D. bears | |
| 198. |
Internal fertilization is advantageous because it protects fertilized egg from |
| A. | dehydration |
| B. | predation |
| C. | harsh environment |
| D. | all of the above |
| Answer» E. | |
| 199. |
Function of oxytocin hormone is to induce |
| A. | secretion of sweat |
| B. | labour pain |
| C. | pupil dilation |
| D. | high blood pressure |
| Answer» C. pupil dilation | |
| 200. |
Between mother and fetus placenta facilitates exchange of |
| A. | oxygen |
| B. | carbondioxide |
| C. | waste and nutrients |
| D. | all of the above |
| Answer» E. | |