MCQOPTIONS
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MCQOPTIONS
This section includes 1844 Mcqs, each offering curated multiple-choice questions to sharpen your Grade10 knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
The example of a tree that removes waste material through gums is |
| A. | coniferous trees |
| B. | keekar |
| C. | rubber plant |
| D. | ladyfinger |
| Answer» C. rubber plant | |
| 152. |
The urine is carried to the urinary bladder from kidneys by the |
| A. | gall bladder |
| B. | urethras |
| C. | ureters |
| D. | sclerenchyma tissues |
| Answer» D. sclerenchyma tissues | |
| 153. |
Considering the functioning of kidneys, the blood enters into the kidney via |
| A. | pulmonary artery |
| B. | renal artery |
| C. | renal vein |
| D. | pulmonary vein |
| Answer» C. renal vein | |
| 154. |
The disorder of the nervous system which occurs because of disturbance in transmission and generation of nerve impulses is called |
| A. | functional disorders |
| B. | compositional disorders |
| C. | muscular disorders |
| D. | vascular disorders |
| Answer» B. compositional disorders | |
| 155. |
The inner layer of the eye is called |
| A. | choroid |
| B. | cornea |
| C. | retina |
| D. | fovea |
| Answer» D. fovea | |
| 156. |
The three parts of the ear include |
| A. | internal ear |
| B. | middle ear |
| C. | external ear |
| D. | all of above |
| Answer» E. | |
| 157. |
The length of the spinal cord is approximately |
| A. | 40 cm |
| B. | 35 cm |
| C. | 38 cm |
| D. | 36 cm |
| Answer» B. 35 cm | |
| 158. |
A quick involuntary response is produced by CNS is |
| A. | reflex arc |
| B. | reflex action |
| C. | reflex response |
| D. | reflex mode |
| Answer» B. reflex action | |
| 159. |
In Rhizomes, buds are produced at |
| A. | nodes |
| B. | roots |
| C. | shoots |
| D. | stems |
| Answer» B. roots | |
| 160. |
The outermost whorl of a flower is called |
| A. | petal |
| B. | sepal |
| C. | calyx |
| D. | corolla |
| Answer» D. corolla | |
| 161. |
The enlarged portion of the underground stem is |
| A. | bulbs |
| B. | suckers |
| C. | tubers |
| D. | vegetative leaves |
| Answer» D. vegetative leaves | |
| 162. |
The gametophyte generation in the life cycle of plants is |
| A. | haploid |
| B. | diploid |
| C. | meiotic whorl |
| D. | mitotic whorl |
| Answer» B. diploid | |
| 163. |
The scar present on the seed coat is known as |
| A. | ovule duct |
| B. | pollens |
| C. | hilum |
| D. | sporangium duct |
| Answer» D. sporangium duct | |
| 164. |
The animals that are fed on other animals are called |
| A. | carnivores |
| B. | omnivores |
| C. | secondary producers |
| D. | herbivores |
| Answer» B. omnivores | |
| 165. |
Badgers are large mammals that feed on |
| A. | insects |
| B. | honey |
| C. | parasites |
| D. | liquid |
| Answer» C. parasites | |
| 166. |
The plants that are found on other larger plants and do not harm the host plant are called |
| A. | carnivorous plants |
| B. | epiphytes |
| C. | sporophyte |
| D. | gametophytes |
| Answer» C. sporophyte | |
| 167. |
The forms of carbon present in nature are |
| A. | graphite only |
| B. | diamond only |
| C. | petroleum |
| D. | graphite and diamond |
| Answer» E. | |
| 168. |
The nitrates are transformed with the help of bacteria into |
| A. | nitrites |
| B. | nitrates |
| C. | ammonia nitrous |
| D. | ammonium nitrate |
| Answer» C. ammonia nitrous | |
| 169. |
The drugs that are used to reduce pain or as painkillers are considered as |
| A. | analgesics |
| B. | antibiotics |
| C. | vaccines |
| D. | sedatives |
| Answer» B. antibiotics | |
| 170. |
The major categories of addictive drugs do not include |
| A. | narcotics |
| B. | hallucinogens |
| C. | analgesics and vaccines |
| D. | sedatives |
| Answer» D. sedatives | |
| 171. |
The example of antibiotics drugs includes |
| A. | paracetamol and aspirin |
| B. | cephalosporin and tetracycline |
| C. | diazepam and cephalosporin |
| D. | aspirin and tetracycline |
| Answer» C. diazepam and cephalosporin | |
| 172. |
Which of the following are used to develop immunity against viral and bacterial infections? |
| A. | vaccines |
| B. | sedatives |
| C. | antibiotics |
| D. | analgesics |
| Answer» B. sedatives | |
| 173. |
Which of the following induces suicidal thoughts when used for a long time? |
| A. | sedatives |
| B. | narcotics |
| C. | hallucinogens |
| D. | marijuana |
| Answer» B. narcotics | |
| 174. |
During glycolysis, the glucose molecule is broken into |
| A. | one pyruvic acid |
| B. | two pyruvic acid |
| C. | three pyruvic acid |
| D. | four pyruvic acid |
| Answer» C. three pyruvic acid | |
| 175. |
The last step of genetic engineering is |
| A. | isolation of gene interest |
| B. | insertion of gene into vector |
| C. | transfer of recombinant DNA |
| D. | expression of gene |
| Answer» E. | |
| 176. |
The pyruvic acid in alcoholic fermentation reduced to acetaldehyde which further reduced into |
| A. | carbon dioxide |
| B. | methanol |
| C. | ethanol |
| D. | methane |
| Answer» D. methane | |
| 177. |
Recombinant DNA is a combination of the gene of interest and |
| A. | growth |
| B. | vector DNA |
| C. | vector plasmid |
| D. | chromosome |
| Answer» C. vector plasmid | |
| 178. |
Ligase belongs to which category of enzymes? |
| A. | breaking enzyme |
| B. | joining enzyme |
| C. | releasing enzyme |
| D. | removing enzyme |
| Answer» C. releasing enzyme | |
| 179. |
The variations that are controlled by single pair gene alleles are called |
| A. | independent variations |
| B. | discontinuous variations |
| C. | continuous variations |
| D. | intermediate variations |
| Answer» C. continuous variations | |
| 180. |
Albinism is the absence of normal |
| A. | glands |
| B. | body hairs |
| C. | skin pigments |
| D. | hormone |
| Answer» D. hormone | |
| 181. |
Two polynucleotide strands are |
| A. | twisted around each other |
| B. | horizontal to each other |
| C. | vertical to each other |
| D. | parallel |
| Answer» B. horizontal to each other | |
| 182. |
The part of Deoxyribonucleic Acid (DNA) that have instructions for synthesis of a specific protein is called |
| A. | mitotic nucleus |
| B. | gene |
| C. | chromosome |
| D. | ribosome |
| Answer» C. chromosome | |
| 183. |
The genetic material which contains the instructions for the functions of cells is called |
| A. | mDNA |
| B. | mRNA |
| C. | DNA |
| D. | RNA |
| Answer» D. RNA | |
| 184. |
The nitrogenous base thymine of one nucleotide made the pair in another nucleotide with |
| A. | hydrogen |
| B. | cytosine |
| C. | guanine |
| D. | adenine |
| Answer» E. | |
| 185. |
The scientists who proposed the Deoxyribonucleic Acid (DNA) structures are |
| A. | Francis crick and James Watson |
| B. | James crick and Francis Watson |
| C. | Marie curie and Niels Bohr |
| D. | Nikola tesla and Marie curie |
| Answer» B. James crick and Francis Watson | |
| 186. |
A dominant allele does not affect the |
| A. | colour of recessive allele |
| B. | nature of recessive allele |
| C. | kind of recessive allele |
| D. | composition of recessive allele |
| Answer» C. kind of recessive allele | |
| 187. |
The Deoxyribonucleic Acid (DNA) structure was proposed in |
| A. | 1949 |
| B. | 1963 |
| C. | 1958 |
| D. | 1953 |
| Answer» E. | |
| 188. |
Discontinuous variations are controlled by |
| A. | single gene pair |
| B. | two genes |
| C. | three genes |
| D. | four genes |
| Answer» B. two genes | |
| 189. |
The regulation of water and salt content in body fluids and blood is classified as |
| A. | osmoregulation |
| B. | osmosis |
| C. | diffusion |
| D. | mineral fission |
| Answer» B. osmosis | |
| 190. |
The process in which metabolic wastes are to be eliminated from the body to maintain the balance of internal condition is called |
| A. | thermoregulation |
| B. | osmoregulation |
| C. | binary fission |
| D. | excretion |
| Answer» E. | |
| 191. |
The salts, water, urea of blood and glucose which is passed out of glomerular capillaries into Bowman's capsule is classified as |
| A. | proximal filtrate |
| B. | papillary filtrate |
| C. | glomerular filtrate |
| D. | bowman's filtrate |
| Answer» D. bowman's filtrate | |
| 192. |
Considering the human skin, the outer protective layer in which blood vessels are not present is classified as |
| A. | epithelial |
| B. | epidermis |
| C. | dermis |
| D. | epidermal |
| Answer» C. dermis | |
| 193. |
Percentage of water in the chemical composition of urine is |
| A. | 1 |
| B. | 0.95 |
| C. | 0.5 |
| D. | 0.6 |
| Answer» C. 0.5 | |
| 194. |
Ginger reproduces by |
| A. | bulbs |
| B. | corms |
| C. | rhizomes |
| D. | stem tubers |
| Answer» D. stem tubers | |
| 195. |
The masses of cells produced in tissue culture method by mitosis are called |
| A. | sporangia calluses |
| B. | colon calluses |
| C. | calluses |
| D. | cellulose |
| Answer» D. cellulose | |
| 196. |
In Hibiscus and Clitoria, the ovary is |
| A. | inferior |
| B. | superior |
| C. | posterior |
| D. | ventricular |
| Answer» C. posterior | |
| 197. |
Shoot develop from |
| A. | radicle |
| B. | epicotyl |
| C. | hypocotyl |
| D. | Plumule |
| Answer» E. | |
| 198. |
The part of the flower that attracts the agents of pollination |
| A. | sepals |
| B. | calyx |
| C. | petals |
| D. | androecium |
| Answer» D. androecium | |
| 199. |
The joints that move like a hinge on door or back and forth are called |
| A. | slightly moveable joints |
| B. | hinge joints |
| C. | ball-and-socket joints |
| D. | fixed joints |
| Answer» C. ball-and-socket joints | |
| 200. |
End of muscle attached with some immovable bone is called |
| A. | origin |
| B. | immoveable muscle |
| C. | insertion |
| D. | exertion |
| Answer» B. immoveable muscle | |