MCQOPTIONS
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MCQOPTIONS
This section includes 731 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Which plant Gregor Mendel had cross breed for his experiment? |
| A. | Onion plant |
| B. | Carrot plant |
| C. | Pea plant |
| D. | Lily plant |
| Answer» D. Lily plant | |
| 152. |
A sudden change in the gene which is heritable from one generation to other is known as? |
| A. | |
| B. | |
| C. | |
| D. | |
| Answer» E. | |
| 153. |
What do you mean by law of dominance? |
| A. | When offspring shows the characters of generation. |
| B. | When Offspring of cross breed parent only show dominant characters in F1 generation. |
| C. | When offspring of cross breed parent only show dominant characters in F2 generation. |
| D. | In F2 generation both the character which is governed by gene are separated. |
| Answer» E. | |
| 154. |
Name the chromosome found in the cells which are responsible for characters other than sex chromosomes? |
| A. | Autosomes |
| B. | Genome |
| C. | Mitochondrial chromosome |
| D. | Mitochondrial chromosome |
| Answer» B. Genome | |
| 155. |
Which term of genetics represents the potential ability of a plant cell to grow into a complete plant? |
| A. | Pluripotency |
| B. | Totipotency |
| C. | Cloning |
| D. | Variation |
| Answer» B. Totipotency | |
| 156. |
Who coined the term Mutation? |
| A. | James Watson |
| B. | Herman Joseph Muller |
| C. | Hugo de Vries |
| D. | None of the above |
| Answer» D. None of the above | |
| 157. |
The process of transfer of hereditary character from one generation to another is known as...........? |
| A. | Genes |
| B. | Mutation |
| C. | Variation |
| D. | Genetics |
| Answer» E. | |
| 158. |
Name the gland which controls blood pressure? |
| A. | Thalamus Gland |
| B. | Adrenal Gland |
| C. | Thyroid Gland |
| D. | Pancreas Gland |
| Answer» C. Thyroid Gland | |
| 159. |
A Universal donor person have a blood group: |
| A. | A |
| B. | AB |
| C. | O |
| D. | B |
| Answer» D. B | |
| 160. |
In which part of an eye a pigment is present which is responsible for brown, blue or black eyes? |
| A. | Cornea |
| B. | Choroid |
| C. | Iris |
| D. | Vitreous Body |
| Answer» D. Vitreous Body | |
| 161. |
How much of the volume of urine is produced in an adult human every 24 hours? |
| A. | 1 litre |
| B. | 1.5 litres |
| C. | 3 litres |
| D. | 5 litres |
| Answer» C. 3 litres | |
| 162. |
In a child of 3-4 years milk teeth do not include: |
| A. | Incisors |
| B. | Canines |
| C. | Molars |
| D. | Premolars |
| Answer» D. Premolars | |
| 163. |
In the human body, the blood enters the aorta of the circulatory system from the |
| A. | Left atrium |
| B. | Left Ventricle |
| C. | Right atrium |
| D. | Right ventricle |
| Answer» C. Right atrium | |
| 164. |
How many bones an adult human skeleton consists of: |
| A. | 204 bones |
| B. | 206 bones |
| C. | 208 bones |
| D. | 214 bones |
| Answer» C. 208 bones | |
| 165. |
With reference to human nutrition, consider the following: (i) Vitamin A (ii) Vitamin B2 (iii) Vitamin E Green leafy vegetables are the rich source of which of the following Vitamins? |
| A. | (i) and (ii) |
| B. | (ii) only |
| C. | (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» E. | |
| 166. |
The substance which is useful for the photography |
| A. | Silver Nitrate |
| B. | Silver bromide |
| C. | Sulphuric acid |
| D. | Citric acid |
| Answer» C. Sulphuric acid | |
| 167. |
Name the NASA’s first exploration mission beyond earth? |
| A. | Pioneer 2 |
| B. | Pioneer 3 |
| C. | Pioneer 4 |
| D. | Pioneer P-1 |
| Answer» D. Pioneer P-1 | |
| 168. |
A virus can spread through: |
| A. | Contaminated food or water |
| B. | Touch |
| C. | Coughing |
| D. | All the above |
| Answer» E. | |
| 169. |
Which of the following statement is correct about Full Moon? |
| A. | All full moons do not look the same. |
| B. | A full moon occurs when the Moon side facing Earth is fully lit up by the Sun. |
| C. | Both A and B are correct |
| D. | Neither A nor B are correct |
| Answer» D. Neither A nor B are correct | |
| 170. |
Super Pink Moon is also known as...... |
| A. | Samkal Moon |
| B. | Paschal Moon |
| C. | Samach Moon |
| D. | Puravach Moon |
| Answer» C. Samach Moon | |
| 171. |
Name the full bright Moon that occurs closest to the start of autumn is known as..... |
| A. | Harvest Moon |
| B. | Blue Moon |
| C. | Super Pink Moon |
| D. | Blood Moon |
| Answer» B. Blue Moon | |
| 172. |
The well-known cycle of the Moon's phases is governed by which month? |
| A. | Sidereal month |
| B. | Synodic month |
| C. | Both A and B |
| D. | Neither A nor B |
| Answer» C. Both A and B | |
| 173. |
In how many days the moon orbits the Earth? |
| A. | 27 days |
| B. | 28 Days |
| C. | 29 Days |
| D. | 30 Days |
| Answer» B. 28 Days | |
| 174. |
.........tests favipiravir as a COVID-19 treatment. |
| A. | Fijifilms |
| B. | Fujifiran |
| C. | Safoni team |
| D. | None of the above |
| Answer» B. Fujifiran | |
| 175. |
What proportion of children is likely to be colour blindness when their parent (mother has normal vision & father has colour-blindness)? |
| A. | 0 per cent |
| B. | 50 per cent |
| C. | 50 per cent |
| D. | 100 per cent |
| Answer» B. 50 per cent | |
| 176. |
Which of the following is a sexually transmitted disease? |
| A. | Leukaemia |
| B. | Hepatitis |
| C. | Colour Blindness |
| D. | All of the above |
| Answer» D. All of the above | |
| 177. |
Consider the following with reference to human nutrition: 1. Vitamin A 2. Vitamin B2 3. Vitamin E For which of these are green leafy vegetables rich sources? |
| A. | 1 and 2 |
| B. | 2 only |
| C. | 1 and 3 |
| D. | 1,2 and 3 |
| Answer» E. | |
| 178. |
Which of the following statements are correct regarding respiration in plants? I. Respiration is the process of releasing energy from food. II. Respiration takes place individually in all parts of the plants like stem, roots, leaves etc. III. The rate of respiration is slow in plants whereas it is faster in humans and animals. Select the correct answer from the codes given below: |
| A. | I and III are correct |
| B. | I and II are correct |
| C. | I, II and III are correct |
| D. | None of the above |
| Answer» D. None of the above | |
| 179. |
Bombyx mori, that produces fine filaments of silk inside the cocoon, is a: |
| A. | Butterfly |
| B. | Dipteran (silkworm) |
| C. | Moth |
| D. | Mulberry plant hemipteran |
| Answer» D. Mulberry plant hemipteran | |
| 180. |
Which of the following statements is/are correct related to Dark Reaction: I. The process involves fixation and reduction of carbon dioxide in the stroma of the chloroplast. II. Light is necessary for the reaction. III. It is also known as Calvin Cycle. Options are: |
| A. | Both I and II are correct |
| B. | Both II and III are correct |
| C. | Both I and III are correct |
| D. | All I, II and III are correct |
| Answer» D. All I, II and III are correct | |
| 181. |
Which vessel carries blood to the kidneys? |
| A. | Renal Arteries |
| B. | Renal Vein |
| C. | Both A and B |
| D. | Only A |
| Answer» E. | |
| 182. |
Name the organs that make up the excretory system in humans? |
| A. | Two Kidneys |
| B. | Two Ureters |
| C. | Bladder and Urethra |
| D. | All of the above |
| Answer» E. | |
| 183. |
What types of nitrogenous wastes are excreted by living organisms? |
| A. | Ammonia |
| B. | Uric acid |
| C. | Urea |
| D. | All of the above |
| Answer» E. | |
| 184. |
The best long term solution for kidney failure is: |
| A. | Dialysis |
| B. | Kidney transplant |
| C. | Both A and B |
| D. | Only B |
| Answer» C. Both A and B | |
| 185. |
In which of the following are the largest amounts of nitrogen excreted from a mammalian body? |
| A. | Breath |
| B. | Sweat |
| C. | Urine |
| D. | Faeces |
| Answer» D. Faeces | |
| 186. |
Each kidney is made up of a large number of excretory units called: |
| A. | Glomerulus |
| B. | Bowman’s Capsule |
| C. | Nephron |
| D. | Blood capillaries |
| Answer» D. Blood capillaries | |
| 187. |
Which organ in the human body is responsible for removing carbon dioxide from the body? |
| A. | Kidney |
| B. | Lungs |
| C. | Blood |
| D. | Ureter |
| Answer» C. Blood | |
| 188. |
The major waste produced by human body are: |
| A. | Carbon dioxide |
| B. | Urea |
| C. | Both A and B |
| D. | Only B |
| Answer» D. Only B | |
| 189. |
Name the excretory organ present in earthworm through which excretion takes place? |
| A. | Moist Skin |
| B. | Nephridia |
| C. | Both A and B |
| D. | Only B |
| Answer» D. Only B | |
| 190. |
In amoeba excretion takes place through the process of: |
| A. | Diffusion |
| B. | Infusion |
| C. | Uricotelic |
| D. | None of the above |
| Answer» B. Infusion | |
| 191. |
Match the following: Set I a. A Fatty Acid b. Potassium Hydroxide c. Non-ionic Surfactants d. Neutralization Set II 1. Better Alkali 2. Process to make detergent 3. Process to make soap 4. Oil and fats Code: a b c d |
| A. | 3 4 2 1 |
| B. | 1 2 3 4 |
| C. | 4 1 2 3 |
| D. | 2 3 4 1 |
| Answer» D. 2 3 4 1 | |
| 192. |
Chemistry is a branch of science which can be used for providing the services to mankind. Comment on the statement. |
| A. | 1 |
| B. | |
| C. | May Be |
| D. | Strongly not |
| Answer» E. | |
| 193. |
Blue-green Algae are: |
| A. | Prokaryotes |
| B. | Eukaryotes |
| C. | Both a) and b) |
| D. | Neither a) nor b) |
| Answer» B. Eukaryotes | |
| 194. |
The jelly-like substance present inside the cell is known as: |
| A. | Cytoplasm |
| B. | Ectoplasm |
| C. | Nucleoplasm |
| D. | None of the above |
| Answer» B. Ectoplasm | |
| 195. |
Name an organism that contains a single chromosome and cell division occurs through fission or budding? |
| A. | Eukaryotes |
| B. | Prokaryotes |
| C. | Bacteria |
| D. | Primitive organism |
| Answer» C. Bacteria | |
| 196. |
Name the outermost boundary of the cell? |
| A. | Plasma membrane |
| B. | Cytoplasm |
| C. | Nuclear membrane |
| D. | None of the above |
| Answer» B. Cytoplasm | |
| 197. |
How many molecules have the methane? |
| A. | Double bond |
| B. | Triple bond |
| C. | Single covalent bond |
| D. | None of these |
| Answer» D. None of these | |
| 198. |
By the emission of which isomers are produced: |
| A. | Alpha-ray |
| B. | Beta-ray |
| C. | Gama-ray |
| D. | X-ray |
| Answer» C. Gama-ray | |
| 199. |
The element which has same mass number but different atomic number is called: |
| A. | Isotope |
| B. | Isobar |
| C. | Isoneutronic |
| D. | Isoelectronic |
| Answer» C. Isoneutronic | |
| 200. |
The iso electronic of AI+3 is: |
| A. | CI- |
| B. | AI |
| C. | S- |
| D. | F- |
| Answer» E. | |