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.
| 201. |
The location or a point where two bones contact each other is called |
| A. | joint |
| B. | rib |
| C. | vertebrae |
| D. | pectoral girdle |
| Answer» B. rib | |
| 202. |
The flexor muscle present on the upper arm bone on the front side is called |
| A. | bicep |
| B. | triceps |
| C. | tendon |
| D. | ligament |
| Answer» B. triceps | |
| 203. |
During the flexion of the elbow joint, the muscle of |
| A. | bicep relaxes |
| B. | bicep contracts |
| C. | triceps relaxes |
| D. | triceps contracts |
| Answer» D. triceps contracts | |
| 204. |
The two sperms and tube nucleus are present in |
| A. | carpel tube |
| B. | sepal tube |
| C. | pollen tube |
| D. | stamen tube |
| Answer» D. stamen tube | |
| 205. |
The primary spermatocytes are responsible for the production of |
| A. | two diploid spermatids |
| B. | two haploid spermatids |
| C. | four haploid spermatids |
| D. | four diploid spermatids |
| Answer» D. four diploid spermatids | |
| 206. |
A germinated microspore has |
| A. | tube nucleus only |
| B. | two sperms only |
| C. | three sperms |
| D. | tube nucleus and two sperms |
| Answer» E. | |
| 207. |
The flowers that have bright colored petals rather than dull petals are pollinated by |
| A. | insects |
| B. | wind |
| C. | humans |
| D. | rain |
| Answer» B. wind | |
| 208. |
The haploid gamete producing generation is |
| A. | sporophyte |
| B. | gametophyte |
| C. | asexual |
| D. | sexual |
| Answer» C. asexual | |
| 209. |
The vegetative parts of the plants are |
| A. | leaves |
| B. | roots |
| C. | stems |
| D. | all of above |
| Answer» E. | |
| 210. |
The type of germination in which cotyledons are pulled above the ground after the elongation of hypocotyls is called |
| A. | epicotyls germination |
| B. | hypocotyls germination |
| C. | Epigeal germination |
| D. | hypogeal germination |
| Answer» D. hypogeal germination | |
| 211. |
Individual units of the corolla are called |
| A. | petals |
| B. | sepals |
| C. | leaflets |
| D. | stamens |
| Answer» B. sepals | |
| 212. |
The radicle of the embryo develops into |
| A. | shoot |
| B. | flower |
| C. | embryo |
| D. | root |
| Answer» E. | |
| 213. |
The process by which a seed embryo develops into a seedling is called |
| A. | pollination |
| B. | fusion |
| C. | germination |
| D. | reproduction |
| Answer» D. reproduction | |
| 214. |
An organism that can not survive without any host is |
| A. | prey |
| B. | predator |
| C. | virus |
| D. | parasite |
| Answer» E. | |
| 215. |
In the world, there are 2.5 billion people at the risk of |
| A. | cancer |
| B. | hepatitis |
| C. | yellow fever |
| D. | dengue |
| Answer» E. | |
| 216. |
Sewage is one of the major pollutants of |
| A. | land |
| B. | air |
| C. | water |
| D. | soil |
| Answer» D. soil | |
| 217. |
The ecosystems of the world are together classified as |
| A. | ecosystem |
| B. | population |
| C. | abiotic community |
| D. | biosphere |
| Answer» E. | |
| 218. |
Myopia results from the elongation of |
| A. | stem |
| B. | root |
| C. | shoot |
| D. | leaf |
| Answer» D. leaf | |
| 219. |
The primary spermatocytes are produced by |
| A. | spermatogonia |
| B. | oogonia |
| C. | primary spermatids |
| D. | secondary spermatids |
| Answer» B. oogonia | |
| 220. |
The structures prepared by the cells of ovaries where oogonia are present are called |
| A. | oocytes |
| B. | egg cells |
| C. | follicles |
| D. | calluses |
| Answer» D. calluses | |
| 221. |
Secondary spermatocytes are |
| A. | diploid daughter cells |
| B. | haploid daughter cells |
| C. | diploid daughter cells |
| D. | triploid daughter cells |
| Answer» C. diploid daughter cells | |
| 222. |
The inner whorls are protected by the sepals at |
| A. | bud stage |
| B. | shoot stage |
| C. | leafing stage |
| D. | stem stage |
| Answer» B. shoot stage | |
| 223. |
In oogenesis, the diploid primary oocytes are produced by |
| A. | primary oocyte |
| B. | spermatids |
| C. | secondary oocyte |
| D. | oogonia |
| Answer» E. | |
| 224. |
Hilum a scar is present on |
| A. | seed coat |
| B. | micropyle |
| C. | testa |
| D. | Plumule |
| Answer» B. micropyle | |
| 225. |
The sperms that are fused with the egg form the |
| A. | ovaries |
| B. | androecium |
| C. | zygote |
| D. | gynoecium |
| Answer» D. gynoecium | |
| 226. |
In Pakistan the number of NGOs working for HIV |
| A. | 54 |
| B. | 53 |
| C. | 55 |
| D. | 52 |
| Answer» B. 53 | |
| 227. |
The internal conditions on which the germination of seeds is dependent are |
| A. | sufficient food storage |
| B. | water |
| C. | oxygen |
| D. | favorable temperatures |
| Answer» B. water | |
| 228. |
The powder which is used on wounds to prevent infection and stop bleeding is made of |
| A. | calcium phosphate |
| B. | iodine sulphate |
| C. | silver nitrate |
| D. | sodium nitrate |
| Answer» D. sodium nitrate | |
| 229. |
Which of the following recognize the weakened or dead pathogens as enemies? |
| A. | antigens |
| B. | bacteria |
| C. | lymphocytes |
| D. | antibodies |
| Answer» D. antibodies | |
| 230. |
The major groups of antibiotics include |
| A. | cephalosporin |
| B. | tetracycline |
| C. | sulfonamides |
| D. | all of above |
| Answer» E. | |
| 231. |
The strong painkillers that are used in conjunction with aspirin or paracetamol are called |
| A. | analgesics and vaccines |
| B. | sedatives |
| C. | narcotics |
| D. | hallucinogens |
| Answer» D. hallucinogens | |
| 232. |
Which of the following is made from opium? |
| A. | digitalis |
| B. | morphine |
| C. | streptomycin |
| D. | aspirin |
| Answer» C. streptomycin | |
| 233. |
The inflammation of bronchioles or bronchi is classified as |
| A. | asthma |
| B. | pneumonia |
| C. | bronchitis |
| D. | emphysema |
| Answer» D. emphysema | |
| 234. |
The pleural membranes cover the organ |
| A. | stomach |
| B. | heart |
| C. | kidney |
| D. | lungs |
| Answer» E. | |
| 235. |
Mild wheezing, Fever, chills, and shortness of breath; all are symptoms of |
| A. | tuberculosis |
| B. | bronchioles |
| C. | bronchitis |
| D. | asthma |
| Answer» D. asthma | |
| 236. |
The gaseous exchange in plants occurs through the |
| A. | stomata |
| B. | guard cell |
| C. | mesophyll cells |
| D. | cuticle |
| Answer» B. guard cell | |
| 237. |
Which of the following is called the voice box? |
| A. | larynx |
| B. | pharynx |
| C. | throat |
| D. | vocal cord |
| Answer» B. pharynx | |
| 238. |
The types of carbohydrate fermentation include |
| A. | lactic acid fermentation only |
| B. | alcoholic fermentation only |
| C. | pyruvic acid |
| D. | lactic acid and alcoholic fermentation |
| Answer» E. | |
| 239. |
The manufacturing of useful services or products by using living organisms is classified as |
| A. | transgenic engineering |
| B. | biotechnology |
| C. | bioengineering |
| D. | genome engineering |
| Answer» C. bioengineering | |
| 240. |
By using the single-cell protein, the amount of protein that can be produced by algae grown in ponds(per acre) is |
| A. | 20 tons |
| B. | 30 tons |
| C. | 40 tons |
| D. | 50 tons |
| Answer» B. 30 tons | |
| 241. |
The 2nd step of genetic engineering is |
| A. | growth of genetically modified organism |
| B. | expression of gene |
| C. | isolation of gene interest |
| D. | insertion of gene into vector |
| Answer» E. | |
| 242. |
Before genetic engineering 500, 000 sheep brains were required to produce growth hormone human mg |
| A. | 5 mg of |
| B. | 8mg |
| C. | 10mg |
| D. | 4mg |
| Answer» B. 8mg | |
| 243. |
The white matter of the spinal cord is made of |
| A. | myelinated dendrite |
| B. | non myelinated dendrite |
| C. | myelinated axon |
| D. | non myelinated axon |
| Answer» D. non myelinated axon | |
| 244. |
The hormone which forces the liver to secrete glucose in the blood is called |
| A. | vasosteriods |
| B. | testosterone |
| C. | glucagon |
| D. | insulin |
| Answer» D. insulin | |
| 245. |
Glucagon influence the liver to release the |
| A. | sugar |
| B. | glucose |
| C. | salts |
| D. | blood cells |
| Answer» C. salts | |
| 246. |
Considering the response of effectors, the short-living and immediate response is produced by |
| A. | gland coordination |
| B. | endocrine coordination |
| C. | nervous coordination |
| D. | chemical coordination |
| Answer» D. chemical coordination | |
| 247. |
The thalamus, cerebrum, and hypothalamus are important parts of |
| A. | forebrain |
| B. | hindbrain |
| C. | midbrain |
| D. | hippocampus |
| Answer» B. hindbrain | |
| 248. |
The establishment of new forest is |
| A. | deforestation |
| B. | reforestation |
| C. | afforestation |
| D. | forestation |
| Answer» D. forestation | |
| 249. |
The thickness of biosphere of Earth (in kilometers) is about |
| A. | 35 kilometers |
| B. | 30 kilometers |
| C. | 20 kilometers |
| D. | 40 kilometers |
| Answer» D. 40 kilometers | |
| 250. |
Considering the components of the ecosystem, the example of producers is |
| A. | ants and flies |
| B. | photosynthetic bacteria |
| C. | cattle |
| D. | snakes |
| Answer» D. snakes | |