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MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 1201. |
Obturator foramen occurs in: |
| A. | Pelvic girdle |
| B. | Pectoral girdle |
| C. | Cranium |
| D. | Vertebrae |
| Answer» B. Pectoral girdle | |
| 1202. |
Which of the following are involved in muscle contraction? |
| A. | \[C{{a}^{2+}}andM{{g}^{2+}}\] |
| B. | \[C{{a}^{2+}}andN{{a}^{+}}\] |
| C. | \[N{{a}^{+}}and{{K}^{+}}\] |
| D. | \[M{{g}^{2+}}and{{K}^{+}}\] |
| Answer» B. \[C{{a}^{2+}}andN{{a}^{+}}\] | |
| 1203. |
A person is suffering from an age related disorder "X". X is characterised by decreased bone mass and increased chances of fractures. Identify X and its common cause. |
| A. | Tetany, Increased levels of estrogen |
| B. | Osteoporosis, Decreased levels of estrogen |
| C. | Myasthenia gravis, Decreased levels of estrogen |
| D. | Muscular dystrophy, increased levels of Estrogen |
| Answer» C. Myasthenia gravis, Decreased levels of estrogen | |
| 1204. |
Red muscle fibres are rich in: |
| A. | Golgi bodies |
| B. | Mitochondria |
| C. | Lysosomes |
| D. | Ribosomes |
| Answer» C. Lysosomes | |
| 1205. |
Multi-unit smooth muscles are found in the wall of: |
| A. | Large blood vessels |
| B. | Intestine |
| C. | Stomach |
| D. | Urinary bladder |
| Answer» B. Intestine | |
| 1206. |
A deltoid ridge occurs in: |
| A. | Radius |
| B. | Ulna |
| C. | Femur |
| D. | Humerus |
| Answer» E. | |
| 1207. |
Which of the following is striped muscle but not voluntary in action? |
| A. | Cardiac muscle |
| B. | Abdominal |
| C. | Shank |
| D. | Wrist muscles |
| Answer» B. Abdominal | |
| 1208. |
Sliding filament theory of muscle contraction was given by: |
| A. | Amon and Hill |
| B. | Huxley and Pullman |
| C. | Huxley and Huxley |
| D. | None of these |
| Answer» D. None of these | |
| 1209. |
Which of the following muscle bends a part over another? |
| A. | Flexor |
| B. | Extensor |
| C. | Abductor |
| D. | Adductor |
| Answer» B. Extensor | |
| 1210. |
Which of the following animal has no skeleton? |
| A. | Sponge |
| B. | Butterfly |
| C. | Jellyfish |
| D. | Starfish |
| Answer» D. Starfish | |
| 1211. |
The functional unit of contractile system of a striated muscle is: |
| A. | Sarcomere |
| B. | Z-band |
| C. | Sarcosome |
| D. | Myofibril |
| Answer» B. Z-band | |
| 1212. |
Which is a part of pectoral girdle? |
| A. | Glenoid cavity |
| B. | Sternum |
| C. | Ilium |
| D. | Acetabulum |
| Answer» B. Sternum | |
| 1213. |
Part of the body having a single pair of bones is: |
| A. | Pelvic girdle, |
| B. | External ear |
| C. | Wrist |
| D. | Lower jaw |
| Answer» B. External ear | |
| 1214. |
The strength of contraction of an entire skeletal muscle is dependent on the: |
| A. | Number of muscle fibres that contract simultaneously. |
| B. | Frequency of contraction of each muscle fibre |
| C. | Number of active cross bridges in each muscle fibre. |
| D. | All of the above |
| Answer» E. | |
| 1215. |
Muscles are arranged in pairs, ______. |
| A. | Enabling them to perform opposing movements. |
| B. | Doubling their strength. |
| C. | So they can take turns contracting and resting. |
| D. | So if one is injured, the other can take over. |
| Answer» B. Doubling their strength. | |
| 1216. |
Joint between atlas and axis is: |
| A. | Pivot joint |
| B. | Saddle joint |
| C. | Angular joint |
| D. | Hinge joint |
| Answer» B. Saddle joint | |
| 1217. |
The lactic acid generated during muscle contraction is converted to glycogen in: |
| A. | Muscle |
| B. | Kidney |
| C. | Pancreas |
| D. | Liver |
| Answer» E. | |
| 1218. |
Astragalus and calcaneum are part of: |
| A. | Forelimb |
| B. | Hindlimb |
| C. | Scapula |
| D. | Clavicle |
| Answer» C. Scapula | |
| 1219. |
Sutures present between various bones of skull are: |
| A. | Cartilaginous joints |
| B. | Synovial joints |
| C. | Hinge joints |
| D. | Fibrous joints |
| Answer» E. | |
| 1220. |
Muscles must have something rigid to pull against if they are to cause movement. In case of humans, the rigidity is supplied by ____; in the case of earthworms, the rigidity come from???. |
| A. | A hydrostatic skeleton; an endoskeleton. |
| B. | Opposing muscles; an exoskeleton. |
| C. | An exoskeleton; an endoskeleton; |
| D. | An endoskeleton; a hydrostatic skeleton. |
| Answer» E. | |
| 1221. |
Which is a high energy compound in muscles? |
| A. | Glucose |
| B. | Starch |
| C. | Glycogen |
| D. | Creatine phosphate |
| Answer» E. | |
| 1222. |
The joint between incus and stapes is; |
| A. | Hinge joint |
| B. | Gliding joint |
| C. | Pivot joint |
| D. | Ball and socket joint |
| Answer» B. Gliding joint | |
| 1223. |
Biceps are attached with: |
| A. | Radius |
| B. | Ulna |
| C. | Femur |
| D. | Humerus |
| Answer» E. | |
| 1224. |
ATPase activity is found in: |
| A. | Myosin filament |
| B. | Actin filament |
| C. | Both [a] and [b] |
| D. | None of these |
| Answer» B. Actin filament | |
| 1225. |
Which of the following is not exclusively supplied with involuntary muscles? |
| A. | Muscles of iris |
| B. | Muscles of the ducts of gland |
| C. | Muscles of urethra |
| D. | Muscular coats of blood vessel |
| Answer» D. Muscular coats of blood vessel | |
| 1226. |
Ankle joint is: |
| A. | Pivot joint |
| B. | Ball and socket joint |
| C. | Hinge joint |
| D. | Gliding joint |
| Answer» D. Gliding joint | |
| 1227. |
Match column-I with column-II and select the correct answer using the codes given below. Column-I Column-II A. Ribs are attached to the sternum ventrally and to the vertebrae dorsally. I. True ribs B. Ribs are attached to sternum through coastal cartilage (hyaline) of 7th rib II. False ribs C. Ribs are not attached to sternum III. Floating ribs |
| A. | A-I; B-II; C-III |
| B. | A-I; B-III; C-II |
| C. | A-II; B-I; C-III |
| D. | A-III; B-II; C-I |
| Answer» B. A-I; B-III; C-II | |
| 1228. |
Match column-I with column-II and select the correct answer using the codes given below. Column-I Column-II A. Atlas and Axis I. Cartilaginous joint B. Two parietal bones II. Fibrous joint C. Two pubic bones III. Saddle joint D. First carpal and first metacarpal IV. Pivot joint |
| A. | A-II; B-I |
| B. | B-II; C-III |
| C. | C-II; D-III |
| D. | D-III; A-IV |
| Answer» E. | |
| 1229. |
The vertebra which bears the whole weight of the skull is: |
| A. | Atlas |
| B. | Axis |
| C. | Cervical |
| D. | Sacral |
| Answer» B. Axis | |
| 1230. |
Match the column-I with column-II and select the correct option. Column-I Column-II A. Striated appearance of myofibril I. Distribution pattern of actin and myosin B. Store house of calcium ions II. Sarcoplasmic reticulum C. Energy released from ATP hydrolysis III. Helps myosin head to bind to exposed active sites on actin to form a cross bridge D. Globular head of meromyosin IV. Active AT Pase enzyme has binding sites for ATP and active sites for actin. |
| A. | A-I; B-II; C-III; D-IV |
| B. | A-III; B-I; C-IV; D-II |
| C. | A-II; B-I; C-III; D-IV |
| D. | A-III; B-IV; C-II; D-I |
| Answer» B. A-III; B-I; C-IV; D-II | |
| 1231. |
Locomotory organs in starfishes are:- |
| A. | Parapodia |
| B. | Pseudopodia |
| C. | Suckers |
| D. | Tubefeet |
| Answer» E. | |
| 1232. |
A student was given sample of two muscles marked as 1 and 2. When he compared the muscles he found that muscle 1 contains large amount of myoglobin and utilise large amount of stored oxygen for ATP production whereas muscle 2 contains few myoglobin, mitochondria and high sarcoplasmic reticulum. Identify the correct statement regarding the muscle 1 and 2 from the option given below. |
| A. | Both the muscles are called aerobic muscles. |
| B. | Both the muscles are called red fibres and depend on aerobic process for energy. |
| C. | Muscle 1 is called white fibres and whereas muscle 2 depends on aerobic process for energy. |
| D. | Muscle 1 is called red fibres and aerobic muscles whereas muscle 2 is called white fibres and depend on anaerobic process for energy. |
| Answer» E. | |
| 1233. |
Which one yields ATP, required for muscle contraction? |
| A. | Myoglobin |
| B. | Creatine phosphate |
| C. | Creatinine phosphate |
| D. | Myosin |
| Answer» C. Creatinine phosphate | |
| 1234. |
Which one of the following is the most likely root cause for menstruation not taking place at regular cycling in human female? |
| A. | Maintenance of the hypertrophical endometrial lining. |
| B. | Maintenance of high concentration of sex hormones in the blood stream. |
| C. | Retention of well-developed corpus luteum. |
| D. | Fertilisation of the ovum. |
| Answer» E. | |
| 1235. |
Select the correct match of terms given in column-I with their definition given in column-II. Column-I Column-II A. Parturition I. Duration between pregnancy (of about 9 month) and birth. B. Ovulation II. Attachment of zygote to the endometrium. C. Gestation III. Childbirth D. Implantation IV. Stoppage of menstruation. E. Conception V. Release of egg from Graafian follicle. F. VI. Process of milk secretion. VII. Formation of zygote by fusion of the egg and sperm. |
| A. | A-I; B-II; C-VII; D-V; E-III |
| B. | A-III; B-I; C-IV; D-II; E-V |
| C. | A-III; B-V; C-I; D-II; E-VII |
| D. | A-III; B-V; C-I; D-IV, E-II |
| Answer» D. A-III; B-V; C-I; D-IV, E-II | |
| 1236. |
Which of the following statement regarding female reproductive system is (are) correct? (i) Myometrium undergoes strong contraction at the time of delivery of baby. (ii) Ovary is secondary female sex organ which produces female gamete and steroid hormones. (iii) Ovarian stroma is divided into two zones: inner cortex and outer medulla. (iv) Infundibulum possess finger like projections which help in collection of ovum after the release of secondary oocyte. (v) A functional mammary gland is the characteristic of all the mammals (including male and female). |
| A. | (ii) and (iv) |
| B. | (i), (ii), (iii) and (v) |
| C. | (iii), (iv) and (v) |
| D. | All of the above |
| Answer» B. (i), (ii), (iii) and (v) | |
| 1237. |
The figure given below shows the various events occurring during a menstrual cycle with few events marked as 1, 2, 3, 4 and 5. Which of the following options shows the correct events? |
| A. | 1 - LH, 2 - Ovulation, 3 - Menstruation, 4 - Proliferative phase, 5 - Luteal phase |
| B. | 1 - FSH, 2 - Implantation, 3 ? Follicular phase, 4 - Menstruation phase, 5 - Luteal phase |
| C. | 1 - Estrogen, 2 - Parturition, 3 - Luteal phase, 4 - Follicular phase, 5 - Follicular phase |
| D. | 1 - Progesterone, 2 - Fertilisation, 3 - Menstruation phase, 4 - Secretory phase, 5 - Follicular phase |
| Answer» B. 1 - FSH, 2 - Implantation, 3 ? Follicular phase, 4 - Menstruation phase, 5 - Luteal phase | |
| 1238. |
From which embryonic structure does vertebral column develop? |
| A. | Notochord |
| B. | Nerve cord |
| C. | Dennis |
| D. | Mesodermal somites |
| Answer» B. Nerve cord | |
| 1239. |
By the end of how many weeks, major organ system are formed during the embryonic development? |
| A. | 4 weeks |
| B. | 8 weeks |
| C. | 12 weeks |
| D. | 24 weeks |
| Answer» D. 24 weeks | |
| 1240. |
Which of the following would you expect, if you compared the genetic makeup of an animal produced by parthenogenesis with that of its mother? |
| A. | About 100 percent genetic similarity |
| B. | About 50 percent genetic similarity |
| C. | No genetic similarity |
| D. | Parthenogenetic animals have no mother |
| Answer» B. About 50 percent genetic similarity | |
| 1241. |
Select the option which correctly matches the endocrine gland with its hormone and its function. |
| A. | Endocrine glandHormoneFunctionOvaryFSHStimulates follicular development and the secretion of oestrogens. |
| B. | PlacentaOestrogenInitiates secretion of the milk. |
| C. | Corpus luteumOestrogenEssential for maintenance of endometrium |
| D. | LeydigAndrogenInitiates the cells for production of sperms. |
| Answer» E. | |
| 1242. |
Spermiogenesis/Spermatogenesis is the transformation of: |
| A. | Spermatogonium into primary spermatocyte. |
| B. | Spermatogonium into functional spermatozoa. |
| C. | Primary spermatocytes into secondary spermatocytes. |
| D. | Spermatids into spermatozoa. |
| Answer» E. | |
| 1243. |
All of the following statements concerning pregnancy are accurate except: |
| A. | The detection of human chorionic gonadotropin in the urine forms the basis for pregnancy tests. |
| B. | The cyclic release of pituitary gonadotropins and ovarian steroids is continued. |
| C. | The mammary gland tissue of the pregnant woman is stimulated to develop by placental hormones. |
| D. | The corpus luteum of pregnancy maintains the uterus until the placenta is well established. |
| Answer» C. The mammary gland tissue of the pregnant woman is stimulated to develop by placental hormones. | |
| 1244. |
Polar body is produced during the formation of: |
| A. | Sperm |
| B. | Secondary oocyte |
| C. | Oogonium |
| D. | Spermatocytes |
| Answer» C. Oogonium | |
| 1245. |
Hormones, secreted by human placenta are: (i) Human chorionic gonadotropin (hCG) (ii) Human placental lactogen (hPL) (iii) Oestrogen and progesterone (iv) Relaxin |
| A. | (i) and (ii) |
| B. | (i), (ii), (iii) and (iv) |
| C. | (iii) and (iv) |
| D. | (i), (ii) and (iii) |
| Answer» C. (iii) and (iv) | |
| 1246. |
Match column-I with column-II and choose the correct option. Column-I Column-II A. Hyaluronidase I. Graafian follicle B. Corpus luteum II. Mammary gland C. Colostrum III. Progesterone D. Antrum IV. Acrosomal reaction |
| A. | A-II; B-I; C-IV; D-III |
| B. | A-IV; B-II; C-III; D-I |
| C. | A-IV; B-III; C-II; D-I |
| D. | A-IV; B-III; C-I; D-II |
| Answer» D. A-IV; B-III; C-I; D-II | |
| 1247. |
The given figure shows the diagrammatic sectional view of female reproductive system with few structures marked as 1, 2, 3, 4, 5 and 6.Which of the following options shows the correct labeling of A-F? |
| A. | 1 - Myometrium, 2 - Isthmus, 3- Endometrium, 4 - Perimetrium, 5 -Ampulla, 6 - Infundibulum |
| B. | 1 - Infundibulum, 2 - Perimetrium, 3- Endometrium, 4 - Myometrium, 5- Ampulla, 6 - Isthmus |
| C. | 1 - Endometrium, 2 - Myometrium, 3 - Perimetrium, 4 - Isthmus, 5- Ampulla, 6 - Infundibulum |
| D. | 1 - Perimetrium, 2 - Endometrium, - Isthmus, 4 - Infundibulum, 5- Ampulla, 6 - Myometrium |
| Answer» D. 1 - Perimetrium, 2 - Endometrium, - Isthmus, 4 - Infundibulum, 5- Ampulla, 6 - Myometrium | |
| 1248. |
Ejaculation of human male contains about 200 - 300 million sperms, of which for normal fertility __ % sperms must have normal shape and size and at least __% must show energetic motility. |
| A. | 40, 60 |
| B. | 50, 50 |
| C. | 60, 40 |
| D. | 30, 70 |
| Answer» D. 30, 70 | |
| 1249. |
Given below is the diagrammatic sectional viewof seminiferous tubule with their parts marked as 2, 3, and 4. Select the option which shows the correct identification of the structure with its characteristics. |
| A. | 1: Spermatozoa, secretes testicular hormones that control spermatogenesis. |
| B. | 2: Spermatogonium, it is also called male germ cells which undergo meiotic division to from spermatozoa. |
| C. | 3: Interstitial cells, present in the interstitial spaces and store and transport the sperms from the testis to the outside through the urethra. |
| D. | 4: Sertoli cells, it maintains low temperature of the testis. |
| Answer» C. 3: Interstitial cells, present in the interstitial spaces and store and transport the sperms from the testis to the outside through the urethra. | |
| 1250. |
Keeping a normal, sexually mature woman in her mid-twenties on continuous high doses of progesterone will: |
| A. | Cause her to ovulate repeatedly within each menstrual cycle. |
| B. | Stimulate the production of mature follicles. |
| C. | Prevent her from producing mature follicles and ovulating. |
| D. | Cause the endometrial lining of her uterus to slough off. |
| Answer» D. Cause the endometrial lining of her uterus to slough off. | |