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.
| 1351. |
The specialized cells that carry nerve impulse from coordinators to effectors are called |
| A. | papillary nerves |
| B. | pulmonary nerves |
| C. | neurons |
| D. | nephrons |
| Answer» D. nephrons | |
| 1352. |
Intermediate neurons are found within the |
| A. | Central Nervous System (CNS) |
| B. | Peripheral Nervous System (PNS) |
| C. | Superior Nervous System (SNS) |
| D. | Inferior Nervous System (INS) |
| Answer» B. Peripheral Nervous System (PNS) | |
| 1353. |
The jelly-like fluid present in the posterior chamber is called |
| A. | aqueous humor |
| B. | optic humor |
| C. | spot humor |
| D. | vitreous humor |
| Answer» E. | |
| 1354. |
In honeycomb, the eggs fertilized by the male bees turned into |
| A. | haploid females |
| B. | haploid males |
| C. | diploid females |
| D. | diploid males |
| Answer» D. diploid males | |
| 1355. |
An inner whorl of the flower after Calyx is called |
| A. | corolla |
| B. | petal |
| C. | sepal |
| D. | carpel |
| Answer» B. petal | |
| 1356. |
In gametogenesis, the meiosis is undergone on diploid gamete-mother cells to form |
| A. | diploid egg cells |
| B. | haploid egg cells |
| C. | haploid gametes |
| D. | diploid gametes |
| Answer» D. diploid gametes | |
| 1357. |
Seminiferous tubules are present within |
| A. | ovaries |
| B. | scrotum |
| C. | testis |
| D. | epididymis |
| Answer» D. epididymis | |
| 1358. |
The micropyle is used by the seed for |
| A. | food |
| B. | protection |
| C. | minerals |
| D. | absorption of water |
| Answer» E. | |
| 1359. |
The principles of pinhole camera are described by |
| A. | Ibn Sina |
| B. | Al Beruni |
| C. | Ibn al-Haithem |
| D. | Ali ibn Isa |
| Answer» D. Ali ibn Isa | |
| 1360. |
Patients of epilepsy have to take medicines |
| A. | monthly |
| B. | yearly |
| C. | hourly |
| D. | daily |
| Answer» E. | |
| 1361. |
The wax and hairs in the auditory canal protect from |
| A. | pollution |
| B. | air |
| C. | small insects |
| D. | light |
| Answer» D. light | |
| 1362. |
Clusters of neuron cell bodies outside CNS are called |
| A. | axons |
| B. | ganglia |
| C. | nerves |
| D. | dendrites |
| Answer» C. nerves | |
| 1363. |
There is only one axon and many dendrites in |
| A. | motor neurons |
| B. | sensory neurons |
| C. | rotator neurons |
| D. | saltatory neurons |
| Answer» B. sensory neurons | |
| 1364. |
In the human body, the human immune deficiency (HIV) virus destroys |
| A. | lymphocytes |
| B. | serum |
| C. | white blood cells |
| D. | red blood cells |
| Answer» D. red blood cells | |
| 1365. |
Color of the calyx is usually |
| A. | pink |
| B. | red |
| C. | white |
| D. | green |
| Answer» E. | |
| 1366. |
Fusion nucleus is present in |
| A. | male gametophyte |
| B. | female gametophyte |
| C. | ovary |
| D. | testes |
| Answer» C. ovary | |
| 1367. |
In plants, the egg cell is considered as |
| A. | male gametophyte generation |
| B. | male sporophyte generation |
| C. | female gametophyte generation |
| D. | female sporophyte generation |
| Answer» D. female sporophyte generation | |
| 1368. |
The method of sexual reproduction involves |
| A. | gametes |
| B. | shoots and stems |
| C. | roots and stems |
| D. | shoots and leaves |
| Answer» B. shoots and stems | |
| 1369. |
The fluid in the central canal and ventricles is classified as |
| A. | saltatory |
| B. | cerebrospinal |
| C. | cranium |
| D. | myelin |
| Answer» C. cranium | |
| 1370. |
The secretion of hormones is maintained in the human body by |
| A. | feedback mechanism |
| B. | insulin administration |
| C. | osmosis |
| D. | cellular respiration |
| Answer» B. insulin administration | |
| 1371. |
In the middle part of the human ear, the membrane to which stapes is connected is called |
| A. | oval window |
| B. | Eustachian window |
| C. | malleus window |
| D. | stapes window |
| Answer» B. Eustachian window | |
| 1372. |
In the human peripheral nervous system, the pairs of spinal nerves are |
| A. | 30 |
| B. | 31 |
| C. | 12 |
| D. | 15 |
| Answer» C. 12 | |
| 1373. |
Antidiuretic hormone (ADH) is secreted by the pituitary gland |
| A. | anterior lobe |
| B. | posterior lobe |
| C. | median lobe |
| D. | upper lobe |
| Answer» C. median lobe | |
| 1374. |
The types of symbiosis do not include |
| A. | mutualism |
| B. | symbiosis |
| C. | commensalism |
| D. | predation |
| Answer» E. | |
| 1375. |
All viruses are permanent |
| A. | host |
| B. | scavengers |
| C. | predators |
| D. | parasites |
| Answer» E. | |
| 1376. |
The interrelationship between the environment and organisms is called |
| A. | ecology |
| B. | geology |
| C. | biotic community |
| D. | abiotic community |
| Answer» B. geology | |
| 1377. |
The animals that are fed on plants are classified as |
| A. | secondary producers |
| B. | herbivores |
| C. | carnivores |
| D. | omnivores |
| Answer» C. carnivores | |
| 1378. |
The global warming remains the heat within the earth atmosphere and increase |
| A. | humidity |
| B. | water level |
| C. | temperature |
| D. | air velocity |
| Answer» D. air velocity | |
| 1379. |
The three small movable bones in the middle ear present in a chain are called |
| A. | ear stapes window |
| B. | ear ossicles |
| C. | ear eustachian |
| D. | ear vestibule tube |
| Answer» C. ear eustachian | |
| 1380. |
Nerve impulses in the optic disc are generated by |
| A. | retina |
| B. | rods and cones |
| C. | nerve cells |
| D. | fovea |
| Answer» C. nerve cells | |
| 1381. |
Activities like migration in birds are controlled by |
| A. | neurons |
| B. | muscles |
| C. | hormones |
| D. | brain |
| Answer» D. brain | |
| 1382. |
Cones are sensitive to which of the following? |
| A. | bright light |
| B. | dim light |
| C. | dark light |
| D. | red light |
| Answer» B. dim light | |
| 1383. |
Which of the following carry sensory information from receptors to coordinators? |
| A. | inter neurons |
| B. | sensory neurons |
| C. | motor neurons |
| D. | axons |
| Answer» C. motor neurons | |
| 1384. |
Rods are sensitive to which type of light? |
| A. | dim |
| B. | bright |
| C. | dark |
| D. | red |
| Answer» B. bright | |
| 1385. |
The types of feedback mechanism are |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 1386. |
Which of the following layers of the eye is sensory? |
| A. | outer layer |
| B. | middle layer |
| C. | inner layer |
| D. | outer most layer |
| Answer» D. outer most layer | |
| 1387. |
The lobes of the cerebral cortex include |
| A. | occipital lobe |
| B. | frontal lobe |
| C. | temporal lobe |
| D. | all of above |
| Answer» E. | |
| 1388. |
The shortest way by which impulses travel from the receptor to the effector is called |
| A. | synapse |
| B. | reflex action |
| C. | reflex arc |
| D. | voluntary response |
| Answer» D. voluntary response | |
| 1389. |
Which of the following is attached to an eardrum? |
| A. | malleus |
| B. | incus |
| C. | stapes |
| D. | inner ear |
| Answer» B. incus | |
| 1390. |
The smallest bone of the human body is |
| A. | malleus |
| B. | incus |
| C. | stapes |
| D. | stapes |
| Answer» E. | |
| 1391. |
Eyes, ears, nose, taste buds, touch, heat and cold are |
| A. | small receptors |
| B. | big receptors |
| C. | ordinary receptors |
| D. | main receptors |
| Answer» E. | |
| 1392. |
In females, the progesterone and estrogen hormone is secreted by |
| A. | ovaries |
| B. | testes |
| C. | pancreas |
| D. | kidneys |
| Answer» B. testes | |
| 1393. |
The plants that are reproduced by the method of bulbs are |
| A. | onions and lilies |
| B. | garlic and onion |
| C. | potato and onion |
| D. | potato and yams |
| Answer» B. garlic and onion | |
| 1394. |
The types of pollination include |
| A. | cross pollination only |
| B. | self pollination only |
| C. | self fertilization |
| D. | cross and self pollination |
| Answer» E. | |
| 1395. |
Considering the oogenesis, the larger cell produced by primary oocytes is called |
| A. | second polar body |
| B. | secondary oocyte |
| C. | territory oocyte |
| D. | first polar body |
| Answer» C. territory oocyte | |
| 1396. |
The part of the embryo of seed which develops into a new shoot is known as |
| A. | Plumule |
| B. | epicotyls |
| C. | hypocotyls |
| D. | radicle |
| Answer» B. epicotyls | |
| 1397. |
The structure in the male reproductive system of rabbit which releases nutritious secretions for sperms is called |
| A. | Cowper's vesicles |
| B. | seminal vesicles |
| C. | spermatogonia vesicles |
| D. | prostate vesicles |
| Answer» C. spermatogonia vesicles | |
| 1398. |
Breathing, heart rate, and blood pressure are controlled by |
| A. | medulla oblongata |
| B. | cerebellum |
| C. | pons |
| D. | hindbrain |
| Answer» B. cerebellum | |
| 1399. |
The deficiency of somatotropin hormone in growth years causes a decrease in growth called |
| A. | vasopressin |
| B. | acromegaly |
| C. | dwarfism |
| D. | gigantism |
| Answer» D. gigantism | |
| 1400. |
The lens becomes more round and convex when the |
| A. | suspensor ligaments expands |
| B. | suspensor ligament contracts |
| C. | ciliary muscles contract |
| D. | ciliary muscles expand |
| Answer» D. ciliary muscles expand | |