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.
| 251. |
All the ecosystem of the world together form |
| A. | biome |
| B. | biosphere |
| C. | community |
| D. | biomass |
| Answer» C. community | |
| 252. |
Considering the pyramid of numbers, the consumers that are maximum in number and smallest in size are called |
| A. | tertiary consumers |
| B. | producers |
| C. | tertiary decomposers |
| D. | secondary decomposers |
| Answer» C. tertiary decomposers | |
| 253. |
The eye color, height, and intelligence all are examples of |
| A. | values |
| B. | attributers |
| C. | traits |
| D. | properties |
| Answer» D. properties | |
| 254. |
The kind of genotype in which two different alleles are carried by a pair of the gene is called |
| A. | homozygous genotype |
| B. | heterozygous genotype |
| C. | recessive genotype |
| D. | dominant genotype |
| Answer» C. recessive genotype | |
| 255. |
Considering the heterozygous genotype condition, the allele which prevents the expression of other allele is called |
| A. | dominant allele |
| B. | recessive allele |
| C. | hybrid allele |
| D. | monohybrid allele |
| Answer» B. recessive allele | |
| 256. |
The characteristics that are passed to offsprings from parents are called |
| A. | phenotype |
| B. | traits |
| C. | chromatin design |
| D. | genotype |
| Answer» C. chromatin design | |
| 257. |
The synthesis of RNA from DNA is |
| A. | transcription |
| B. | translation |
| C. | metabolism |
| D. | reduction |
| Answer» B. translation | |
| 258. |
The largest endocrine gland in the human body is called |
| A. | parathyroid gland |
| B. | adrenal gland |
| C. | pituitary gland |
| D. | thyroid gland |
| Answer» E. | |
| 259. |
The cerebral lobe that is concerned with hearing and smell |
| A. | frontal |
| B. | parietal |
| C. | temporal |
| D. | occipital |
| Answer» D. occipital | |
| 260. |
The hormone which prepares the human body to cope up with emergencies is known as |
| A. | corticosteroids |
| B. | adrenaline |
| C. | epinephrine |
| D. | norepinephrine |
| Answer» D. norepinephrine | |
| 261. |
The hormones released by the adrenal cortex that maintains the balance of water and salts in the human body are called |
| A. | oxytocin |
| B. | corticosteroids |
| C. | vasopressin |
| D. | epinephrine |
| Answer» C. vasopressin | |
| 262. |
Shortening of eyeball causes |
| A. | myopia |
| B. | hypermetropia |
| C. | short sight |
| D. | distant sight |
| Answer» C. short sight | |
| 263. |
Considering 10 hours after intake of food, if the blood glucose level (per 100 ml) is 100 to 125 then the person is said to be |
| A. | cirrhosis |
| B. | cancerous |
| C. | diabetic |
| D. | pre-diabetic |
| Answer» E. | |
| 264. |
Specific messenger molecule synthesized and secreted by an endocrine gland is called |
| A. | target tissue |
| B. | hormone |
| C. | blood |
| D. | hemoglobin |
| Answer» C. blood | |
| 265. |
The motor neurons carry all the information which is received from interneuron to |
| A. | hormones in blood |
| B. | human skin |
| C. | nose and eyes |
| D. | muscles and glands |
| Answer» E. | |
| 266. |
If somatotropin is diminished during growth age, then the condition that occurs is called |
| A. | gigantism |
| B. | acromegaly |
| C. | dwarfism |
| D. | albinism |
| Answer» D. albinism | |
| 267. |
The outer part of Adrenal gland is called |
| A. | cortex |
| B. | medulla |
| C. | pelvis |
| D. | nephron |
| Answer» B. medulla | |
| 268. |
The loss of water from the plant surface in the form of vapors is called |
| A. | transpiration |
| B. | guttation |
| C. | dew |
| D. | condensation |
| Answer» B. guttation | |
| 269. |
What percentage of glomerular filtrate is re-absorbed during selective re-absorption? |
| A. | 0 |
| B. | 0.25 |
| C. | 0.75 |
| D. | 0.99 |
| Answer» E. | |
| 270. |
In human kidneys, the renal pelvis is also called base of |
| A. | urinary bladder |
| B. | urinary tract |
| C. | urethra |
| D. | ureter |
| Answer» E. | |
| 271. |
The common example of hydrophytes is |
| A. | morning glory |
| B. | water lily |
| C. | cactus |
| D. | ladyfinger |
| Answer» C. cactus | |
| 272. |
The Al-Tasrif is the book based on surgical instruments written by |
| A. | Abu al-Qasim al-Zahrawi |
| B. | Ibn e Sina |
| C. | Ibn ul Haithem |
| D. | Abu Nasr al-Farabi |
| Answer» B. Ibn e Sina | |
| 273. |
In human kidneys, the area of kidneys through which nerves, lymphatic vessels, and blood vessels leaves and enters the kidneys is called |
| A. | hilus |
| B. | renal vein |
| C. | renal artery |
| D. | renal medulla |
| Answer» B. renal vein | |
| 274. |
In human kidneys, the renal tubule and renal corpuscle are parts of |
| A. | renal cavity |
| B. | renal pyramids |
| C. | nephron |
| D. | neuron |
| Answer» D. neuron | |
| 275. |
The functional unit of the kidney is called |
| A. | ureter |
| B. | renal pyramid |
| C. | nephron |
| D. | renal pelvis |
| Answer» D. renal pelvis | |
| 276. |
The large crystals of Ammonium Phosphate ((NH4)3PO4) and Calcium Oxalate (CaC2O4) that cannot be passed in urine are called |
| A. | kidney stones |
| B. | kidney hilus |
| C. | kidney glomerulus |
| D. | loop of Henle |
| Answer» B. kidney hilus | |
| 277. |
The reason for the movement of materials to Bowman's capsule from glomerular capillaries is |
| A. | nephron |
| B. | red blood cells |
| C. | white blood cells |
| D. | blood pressure |
| Answer» E. | |
| 278. |
The plants that are adapted to seawater or salty water environment are called |
| A. | saprophytes |
| B. | hydrophytes |
| C. | xerophytes |
| D. | halophytes |
| Answer» E. | |
| 279. |
If the change in temperature occurs then this change may affect |
| A. | metabolism process |
| B. | functions of enzymes |
| C. | process of diffusion |
| D. | process of osmosis |
| Answer» C. process of diffusion | |
| 280. |
Considering kidney dialysis, the space around the gut is known as |
| A. | peritoneal cavity |
| B. | abdominal cavity |
| C. | renal cavity |
| D. | vertebral cavity |
| Answer» B. abdominal cavity | |
| 281. |
Considering the functioning of the kidney, the filtrate which is present in renal tubules is called |
| A. | white cells |
| B. | deoxygenated blood |
| C. | oxygenated blood |
| D. | urine |
| Answer» E. | |
| 282. |
The weight of kidneys is about |
| A. | 128 grams |
| B. | 135 grams |
| C. | 120 grams |
| D. | 130 grams |
| Answer» D. 130 grams | |
| 283. |
The kind of kidney dialysis in which fluid of dialysis is pumped into the peritoneal cavity is |
| A. | hypotonic dialysis |
| B. | vertebral dialysis |
| C. | peritoneal dialysis |
| D. | abdominal dialysis |
| Answer» D. abdominal dialysis | |
| 284. |
Special cells in xerophytes in which they store large quantities of water are called |
| A. | water conducting cells |
| B. | collenchyma cells |
| C. | sclerenchyma cells |
| D. | parenchyma cells |
| Answer» E. | |
| 285. |
Considering the human blood, the distal convoluted tubule allows reabsorption of |
| A. | minerals |
| B. | water |
| C. | salts |
| D. | nutrients |
| Answer» C. salts | |
| 286. |
The presence of water drops on the edges of leaves or its tips is classified as |
| A. | transpiration |
| B. | transportation |
| C. | guttation |
| D. | excretion |
| Answer» D. excretion | |
| 287. |
In renal medulla of the kidneys, the cone-shaped areas are known as |
| A. | buccal cavity |
| B. | abdominal cavity |
| C. | renal pyramids |
| D. | renal cavity |
| Answer» D. renal cavity | |
| 288. |
When blood enters into the renal artery, the blood flows into the |
| A. | papillary duct |
| B. | bowman's capsule |
| C. | arterioles |
| D. | glomerulus |
| Answer» D. glomerulus | |
| 289. |
In humans, the urinary organ kidneys have a length of |
| A. | 8 cm |
| B. | 10 cm |
| C. | 11.5 cm |
| D. | 13 cm |
| Answer» C. 11.5 cm | |
| 290. |
The part of Nephron which is not tubular is called |
| A. | renal corpuscle |
| B. | renal tubule |
| C. | renal cortex |
| D. | loop of Henle |
| Answer» B. renal tubule | |
| 291. |
The leading cause/causes of kidney failure is/are |
| A. | kidney stones |
| B. | low intake of water |
| C. | alcohol consumption |
| D. | diabetes mellitus and hypertension |
| Answer» E. | |
| 292. |
In normal urine composition, the potassium ions content is |
| A. | 0.863g/l |
| B. | 0.658g/l |
| C. | 0.925g/l |
| D. | 0.750g/l |
| Answer» E. | |
| 293. |
The fermentation which is carried by yeast is called |
| A. | pyruvic fermentation |
| B. | acrylic fermentation |
| C. | lactic acid fermentation |
| D. | alcoholic fermentation |
| Answer» D. alcoholic fermentation | |
| 294. |
The incomplete oxidation and reduction of glucose is |
| A. | metabolism |
| B. | respiration |
| C. | fermentation |
| D. | digestion |
| Answer» D. digestion | |
| 295. |
The most common type of fermented cereal is |
| A. | yogurt |
| B. | wheat |
| C. | rice |
| D. | bread |
| Answer» E. | |
| 296. |
Thymosin proved effective against brain and |
| A. | liver cancer |
| B. | stomach cancer |
| C. | lung cancer |
| D. | blood cancer |
| Answer» D. blood cancer | |
| 297. |
Manny transgenic animals are used to get medicines through their milk, blood and |
| A. | meat |
| B. | hormones |
| C. | bones |
| D. | urine |
| Answer» E. | |
| 298. |
In 1977 an E.coli was created to synthesize the |
| A. | animal growth hormone |
| B. | plant growth hormone |
| C. | human growth hormone |
| D. | human reproductive hormone |
| Answer» D. human reproductive hormone | |
| 299. |
A vector is used to |
| A. | transfer a gene |
| B. | copy a gene |
| C. | produce a gene |
| D. | remove a gene |
| Answer» B. copy a gene | |
| 300. |
The production of different products by using the mass culture of microorganisms is classified as |
| A. | bacillus production |
| B. | reproduction |
| C. | fermentation |
| D. | pollination |
| Answer» D. pollination | |