MCQOPTIONS
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MCQOPTIONS
This section includes 607 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
The main function of hemoglobin is |
| A. | arries Oxygen |
| B. | ontrol Blood Pressure |
| C. | roduce hormones |
| D. | one of the above |
| Answer» B. ontrol Blood Pressure | |
| 302. |
What is the pH value range of human blood? |
| A. | .1-7.15 |
| B. | .45-7.55 |
| C. | .22-7.28 |
| D. | .35-7.45 |
| Answer» E. | |
| 303. |
When a foreign body inter into blood circulatory system the reaction is started by |
| A. | BC |
| B. | BC |
| C. | latletes |
| D. | ytoplasm |
| Answer» C. latletes | |
| 304. |
Life of red blood cells in the body is |
| A. | 0 days |
| B. | 20 days |
| C. | 65 days |
| D. | 65 days |
| Answer» C. 65 days | |
| 305. |
Blood is red in colour due to the presence of ________ |
| A. | ytochrome |
| B. | hlorophyll |
| C. | emocyanin |
| D. | aemoglobin |
| Answer» E. | |
| 306. |
The sound lub-dub lub-dub is produced by |
| A. | iver |
| B. | idney |
| C. | eart |
| D. | ung |
| Answer» D. ung | |
| 307. |
Name the blood cells in which nucleus is absent. |
| A. | ymphocytes |
| B. | lood Platelets |
| C. | onocytes |
| D. | osinophils |
| Answer» C. onocytes | |
| 308. |
The smallest blood vessels which are one-cell thick, are called ________ |
| A. | ena cava |
| B. | rteries |
| C. | eins |
| D. | apillaries |
| Answer» E. | |
| 309. |
Hemoglobin, the oxygen carrying substance in red blood cells, is a |
| A. | uclei acid |
| B. | arbohydrates |
| C. | ats |
| D. | roteins |
| Answer» E. | |
| 310. |
Haemoglobin is an important component of |
| A. | BC |
| B. | BC |
| C. | latletes |
| D. | ytoplasm |
| Answer» B. BC | |
| 311. |
Blood pressure is the pressure exerted on the wall of |
| A. | eart |
| B. | ein |
| C. | rtery |
| D. | ell |
| Answer» D. ell | |
| 312. |
It is an oxygen carrying protein of red colour concentrated in red blood cells. |
| A. | nsulin |
| B. | aemoglobin |
| C. | astrin |
| D. | ctin |
| Answer» C. astrin | |
| 313. |
Lymph carries digested and absorbed fat from ________ . |
| A. | ungs |
| B. | ntestine |
| C. | tomach |
| D. | idney |
| Answer» C. tomach | |
| 314. |
Instrument used to measure blood pressure is |
| A. | .C.G |
| B. | tetheoscope |
| C. | phygmomanometer |
| D. | rm band |
| Answer» D. rm band | |
| 315. |
An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is |
| A. | or A |
| B. | B or A |
| C. | or O |
| D. | B or B |
| Answer» E. | |
| 316. |
Volume of blood found in a healthy person is |
| A. | -4 litre |
| B. | -5 litre |
| C. | -6 litre |
| D. | -7 litre |
| Answer» D. -7 litre | |
| 317. |
In plants cells,which structure provides a definite shape to the cell and makes it right? |
| A. | ell membrane |
| B. | hitin |
| C. | pidermis |
| D. | ell wall |
| Answer» E. | |
| 318. |
It is a heredity material and contains the genetic information which is passed on from one generation to another. |
| A. | |
| B. | |
| C. | hromosomes |
| D. | arbohydrates |
| Answer» C. hromosomes | |
| 319. |
The study of structures of organisms, their cells and their organelles at molecular level is known as |
| A. | olecular biology |
| B. | nvironmental biology |
| C. | icrobiology |
| D. | ell biology |
| Answer» E. | |
| 320. |
It consists of an aqueous ground substance containing a variety of cell organelles and other inclusions such as wastes and storage products. |
| A. | ytoplasm |
| B. | ctoplasm |
| C. | ndoplasm |
| D. | one of the above |
| Answer» B. ctoplasm | |
| 321. |
Which cell organelles are involved in photosynthesis? |
| A. | hloroplasts |
| B. | lastids |
| C. | ipids |
| D. | lasmids |
| Answer» B. lastids | |
| 322. |
Which one of the following is not an insect: |
| A. | ed bug |
| B. | ouse fly |
| C. | osquitoes |
| D. | pider |
| Answer» E. | |
| 323. |
Reflex actions are controlled by : |
| A. | he cells |
| B. | he Spinal Chord |
| C. | he Brain |
| D. | he Nerves |
| Answer» C. he Brain | |
| 324. |
Biotic component of the environment does not include- |
| A. | oil system |
| B. | nimal system |
| C. | icro-organism system |
| D. | lant system |
| Answer» B. nimal system | |
| 325. |
Scientist who discovered blood groups was |
| A. | rebs |
| B. | avlov |
| C. | arl Landsteiner |
| D. | arwin |
| Answer» D. arwin | |
| 326. |
Person having blood group 'B' can donate the blood to person having blood group |
| A. | and O |
| B. | and O |
| C. | and AB |
| D. | and AB |
| Answer» E. | |
| 327. |
Which of the following blood group is called universal donor ? |
| A. | + |
| B. | + |
| C. | - |
| D. | B+ |
| Answer» D. B+ | |
| 328. |
Average life span of human R.B.C is |
| A. | 00 days |
| B. | 0 days |
| C. | 20 days |
| D. | one of these |
| Answer» D. one of these | |
| 329. |
Red colour of blood is due to presence of |
| A. | lasma |
| B. | emoglobin |
| C. | BC |
| D. | BC |
| Answer» C. BC | |
| 330. |
In human body lymphocytes are formed in |
| A. | iver |
| B. | one marrow |
| C. | ancreas |
| D. | pleen |
| Answer» C. ancreas | |
| 331. |
Which of the following blood cells carry oxygen? |
| A. | .B.Cs |
| B. | latelets |
| C. | .B.Cs |
| D. | ll of the above |
| Answer» D. ll of the above | |
| 332. |
Red blood corpuscles is also known as |
| A. | rythrocytes |
| B. | eucocytes |
| C. | hrombocytes |
| D. | sinophils |
| Answer» B. eucocytes | |
| 333. |
Main function of white blood corpuscles is |
| A. | ransport of CO2 |
| B. | ransport of oxygen |
| C. | o produce immune system of body |
| D. | one of the above |
| Answer» D. one of the above | |
| 334. |
Fully mature human RBCs has |
| A. | nucleus |
| B. | o nucleus |
| C. | ucleus may or may not be present |
| D. | one of the above |
| Answer» C. ucleus may or may not be present | |
| 335. |
Purification of blood takes place in |
| A. | ungs |
| B. | eart |
| C. | idney |
| D. | iver |
| Answer» D. iver | |
| 336. |
Plants that grow under average temperature and moisture are called: |
| A. | alophytes |
| B. | ydrophytes |
| C. | esophytes |
| D. | erophytes |
| Answer» D. erophytes | |
| 337. |
Release of water from plants as water droplets is known as |
| A. | oot pressure |
| B. | ranspiration |
| C. | smotic pressure |
| D. | uttation |
| Answer» E. | |
| 338. |
In mammals, an important role of excretion is played by ________ |
| A. | arge intestine |
| B. | idneys |
| C. | ungs |
| D. | iver |
| Answer» C. ungs | |
| 339. |
Glomerulus and Bowman's capsule constitute |
| A. | lood vessels |
| B. | alpighian body |
| C. | reen gland |
| D. | alpighian tubule |
| Answer» E. | |
| 340. |
________ helps the eye to adjust the focal length of the lens. |
| A. | ens |
| B. | iliary body |
| C. | etina |
| D. | ntire eye ball |
| Answer» C. etina | |
| 341. |
A colour blind person has difficulty in distinguishing which of the two colours? |
| A. | reen & Red |
| B. | hite & Red |
| C. | lue & Red |
| D. | ed & Black |
| Answer» B. hite & Red | |
| 342. |
Image of object is formed on which part of eye? |
| A. | ornea |
| B. | horoid |
| C. | etina |
| D. | ris |
| Answer» D. ris | |
| 343. |
Human beings hearing range is ________ |
| A. | 0 to 50,000 Hz |
| B. | 0 to 40,000 Hz |
| C. | 0 to 30,000 Hz |
| D. | 0 to 20,000 Hz |
| Answer» E. | |
| 344. |
Study of nose and alfactory organs is called |
| A. | adiology |
| B. | hinology |
| C. | adiography |
| D. | one of these |
| Answer» C. adiography | |
| 345. |
Snakes receive sound vibrations by |
| A. | ympanum |
| B. | ody |
| C. | nternal ear |
| D. | arth |
| Answer» C. nternal ear | |
| 346. |
Fertilization in human takes place inside |
| A. | terus |
| B. | viduct |
| C. | vigland |
| D. | one of these |
| Answer» C. vigland | |
| 347. |
Which among the following is/are female hormones?(i) Estrogen(ii) Progesterone(iii) Testosterone |
| A. | i) and (iii) |
| B. | i) and (ii) |
| C. | ii) and (iii) |
| D. | nly (iii) |
| Answer» C. ii) and (iii) | |
| 348. |
Study of female reproductive system is |
| A. | erontology |
| B. | astroenterology |
| C. | yneocology |
| D. | one of these |
| Answer» D. one of these | |
| 349. |
In uterus embryo get their nutrition through a structure called |
| A. | allopian tube |
| B. | lacenta |
| C. | terus |
| D. | one of these |
| Answer» C. terus | |
| 350. |
In test tube baby |
| A. | ertilization of ova and development takes place in test tube |
| B. | ertilization of ova takes place in test tube which development of embryo occur in uterus |
| C. | ertilization takes place in uterus while development takes place in test tube |
| D. | evelopment of ova take place in test tube without fertilization |
| Answer» C. ertilization takes place in uterus while development takes place in test tube | |