MCQOPTIONS
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MCQOPTIONS
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 2401. |
Granulocytes are |
| A. | Acidophils |
| B. | Lymphocytes |
| C. | Monocytes |
| D. | None of these |
| Answer» B. Lymphocytes | |
| 2402. |
‘Intrinsic factor - x Activator complex ’ is |
| A. | Activated factor IX + AHG + Phospholipid + Mg2+ |
| B. | Christmas factor IX + AHG + Phospholipid + Mg2+ |
| C. | Activated christmas factor + AHG + Phospholipid + Ca 2+ |
| D. | Activated christmas factor + AHG + Glycolipid + Mg2+ |
| Answer» D. Activated christmas factor + AHG + Glycolipid + Mg2+ | |
| 2403. |
Some of the steps involved in the production of humulin are given below choose the correct sequence |
| A. | (ii), (i), (iv), (iii) (v), (vi) |
| B. | (i), (iii), (v), (vi), (ii), (iv) |
| C. | (i), (iv), (v), (ii), (vi), (iii) |
| D. | (iii), (v), (ii), (i), (vi), (iv) |
| Answer» C. (i), (iv), (v), (ii), (vi), (iii) | |
| 2404. |
Mammalian heart is |
| A. | Neurogenic |
| B. | Myogenic |
| C. | Digenic |
| D. | None of above |
| Answer» C. Digenic | |
| 2405. |
The volume of blood present in an adult human is |
| A. | 1 liter |
| B. | 5 liters |
| C. | 2 liters |
| D. | 10 liters |
| Answer» C. 2 liters | |
| 2406. |
Blood is flowing in pulmonary vein is |
| A. | Oxygenated |
| B. | Deoxygenated |
| C. | Mixed |
| D. | None of above |
| Answer» B. Deoxygenated | |
| 2407. |
The largest corpuscle in the blood is |
| A. | Basophils |
| B. | Acidophils |
| C. | Monocytes |
| D. | Lymphocyte |
| Answer» D. Lymphocyte | |
| 2408. |
Effect of Nicotine on blood circulation |
| A. | it mixes with blood |
| B. | it contracts the arterial wall |
| C. | it decrease the blood pressure |
| D. | it decrease the carrying of oxygen to lungs |
| Answer» D. it decrease the carrying of oxygen to lungs | |
| 2409. |
The chief difference between the erythrocytes of man and frog is |
| A. | Human erythrocytes have more haemoglobin |
| B. | Human erythrocytes have less haemoglobin |
| C. | Human erythrocytes have no nuclei |
| D. | Human erythrocytes have more nuclei |
| Answer» D. Human erythrocytes have more nuclei | |
| 2410. |
In mammals the opening of post canal in the right auricle is guarded by |
| A. | Mitral valve |
| B. | Thebesius valve |
| C. | Eustachian valve |
| D. | tricuspid valve |
| Answer» D. tricuspid valve | |
| 2411. |
It converts fibrinogen into soluble fibrin |
| A. | Thromboplastin |
| B. | Thrombin |
| C. | Prothrombin |
| D. | Ca2+ |
| Answer» C. Prothrombin | |
| 2412. |
The heart murmur of heart is due to |
| A. | Coronary thrombosis |
| B. | Defective leady valve |
| C. | Arterial pulse |
| D. | under developed atrium |
| Answer» C. Arterial pulse | |
| 2413. |
The ovaries maintain their position by .... |
| A. | Series of ligament |
| B. | Connective leyer |
| C. | Epithelium layer |
| D. | Muscular filament |
| Answer» B. Connective leyer | |
| 2414. |
The thin membrane around the heart is |
| A. | Myocardium |
| B. | Pericardium |
| C. | Pleural membrane |
| D. | Parietal peritoneum |
| Answer» C. Pleural membrane | |
| 2415. |
What is not included in the type of the movement in organisms ? |
| A. | Amoeboid movement |
| B. | Ciliary movement |
| C. | Muscular movement |
| D. | joining process |
| Answer» E. | |
| 2416. |
In India, Western ghat is known as Hot-spot because of ….. (KCET 2007) |
| A. | Evergreen forest |
| B. | High endemism |
| C. | more height |
| D. | Topical climate |
| Answer» C. more height | |
| 2417. |
Which muscle is controlled by sympathetic nervous system ? |
| A. | Striated muscle |
| B. | Cardiac muscle |
| C. | Non Striated muscle |
| D. | All a, b, c. |
| Answer» E. | |
| 2418. |
What percent of the total body weight of an adult humans is made up of muscle ? |
| A. | 40 - 50 % |
| B. | 30 - 40 % |
| C. | 60 - 70 % |
| D. | 45 - 55 % |
| Answer» B. 30 - 40 % | |
| 2419. |
Which line is located in the center of H region ? |
| A. | Krause membrane |
| B. | M- line |
| C. | Z - band |
| D. | Hensen’s line |
| Answer» C. Z - band | |
| 2420. |
Which band is present in Cardiac muscle ? |
| A. | Intercalated disc |
| B. | A- band |
| C. | I-band |
| D. | All a, b, c. |
| Answer» E. | |
| 2421. |
Which muscle does not fatigue and possesses abundant blood supply during life span ? |
| A. | Striated muscle |
| B. | Non Striated muscle |
| C. | Skeleton muscle |
| D. | a and b both |
| Answer» E. | |
| 2422. |
What is important character of all living organism ? |
| A. | Movement |
| B. | Locomotion |
| C. | Reproduction |
| D. | All a, b, c. |
| Answer» E. | |
| 2423. |
Which are the example of autonomous movement in organism ? |
| A. | Running, Walking |
| B. | Flying, Swimming |
| C. | Gliding, Sliding |
| D. | All a, b, c. |
| Answer» E. | |
| 2424. |
Who shows amoeboid movement ? |
| A. | Amoeba |
| B. | Leucocytes |
| C. | Macrophage |
| D. | All a, b, c. |
| Answer» E. | |
| 2425. |
Which muscle is present in digestive track, reproductive track and respiratory track ? |
| A. | Visceral muscle |
| B. | Non Striated muscle |
| C. | Voluntary muscle |
| D. | All a, b, c. |
| Answer» E. | |
| 2426. |
Which muscle possesses multinucleate structure (Syncytium) ? |
| A. | Striated muscle |
| B. | Skeleton muscle |
| C. | Non Striated muscle |
| D. | a and b both |
| Answer» E. | |
| 2427. |
Which band is called krause membrane ? |
| A. | A |
| B. | Z |
| C. | I |
| D. | H |
| Answer» C. I | |
| 2428. |
Which are characteristic properties of muscles ? |
| A. | Electricity, excitability |
| B. | Contractility |
| C. | Extensibility, elasticity |
| D. | All a, b, c. |
| Answer» E. | |
| 2429. |
Which is not a example of movement in human ? |
| A. | Movement of jaw |
| B. | Movement of eyelash and tongue |
| C. | Movement of appendices |
| D. | Hearing process |
| Answer» E. | |
| 2430. |
By which name's isotropic and anisotropic band respectively known ? |
| A. | I - band, A - band |
| B. | I - band, Intercalated-dise |
| C. | A - band, Z - band |
| D. | H - band, Z - band |
| Answer» B. I - band, Intercalated-dise | |
| 2431. |
The functional unit of skeleton muscle is called as...... |
| A. | Myofibril |
| B. | Sarcomere |
| C. | Hensen’s line |
| D. | Krause membrane |
| Answer» C. Hensen’s line | |
| 2432. |
The space between two successive Z-band is known as..... |
| A. | A - band |
| B. | I - band |
| C. | Krause membrane |
| D. | Sarcomere |
| Answer» E. | |
| 2433. |
What are the main aims of locomotion in animal ? |
| A. | For shelter, search of food |
| B. | For the escape of enemy, for predation |
| C. | To get a place for reproduction |
| D. | All a, b, c. |
| Answer» E. | |
| 2434. |
Which types of muscles are present in organisms ? |
| A. | Striated muscle |
| B. | Visceral muscle |
| C. | Cardiac muscle |
| D. | All a, b, c. |
| Answer» E. | |
| 2435. |
From which germinal layer muscle tissue origins ? |
| A. | Ectoderm |
| B. | Mesoderm |
| C. | Endoderm |
| D. | All a, b, c. |
| Answer» C. Endoderm | |
| 2436. |
Which muscle is controlled by autonomous nervous system ? |
| A. | Striated muscle |
| B. | Visceral muscle |
| C. | Cardiac muscle |
| D. | All a, b, c. |
| Answer» B. Visceral muscle | |
| 2437. |
By which process performs plant movement its parts ? |
| A. | Photropism |
| B. | Geotropsim |
| C. | Chemotropism |
| D. | All a, b, c. |
| Answer» E. | |
| 2438. |
How many type of muscles in living organisms |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 2439. |
In which of the following cilliary movment can be seen ? |
| A. | In trachea |
| B. | In oviduct |
| C. | In vasa efferentia |
| D. | All a, b, c. |
| Answer» E. | |
| 2440. |
By which Amoeba, Paramoecium and Hydra respectively indicate movement ? |
| A. | Pseudopodia, cilia, tentacle |
| B. | Cilia, flagella, tentacles |
| C. | Tentacles, Cilia, Pseudopodia |
| D. | Cilia,Tentacles, Pseudopodia |
| Answer» B. Cilia, flagella, tentacles | |
| 2441. |
The plant Pentadiplandra brazzeana belongs to which country ? |
| A. | China |
| B. | West Africa |
| C. | Pakistan |
| D. | America |
| Answer» C. Pakistan | |
| 2442. |
Which technology facilitates the production of novel DNA molecule by combining sequences fromDNA from two different organisms ? |
| A. | gene therapy |
| B. | Recombinant DNA technology |
| C. | Polymerase chain reaction |
| D. | germ line gene therapy |
| Answer» C. Polymerase chain reaction | |
| 2443. |
Transgenic animals are produced by incorporation of Foreign gene into the - |
| A. | Nucleus of fertilized egg |
| B. | Nucleus of sperm |
| C. | Nucleus of unfertilized egg |
| D. | Egg cell |
| Answer» B. Nucleus of sperm | |
| 2444. |
Which is the most common bioinsecticide for the protection of cotton ? |
| A. | Pyrethrin |
| B. | Rotenone |
| C. | Eicer |
| D. | Bacillus thuringiensis |
| Answer» E. | |
| 2445. |
Which of the following can be controlled with the help of biopesticides ? |
| A. | Insect |
| B. | Disease |
| C. | Weeds |
| D. | All the above |
| Answer» E. | |
| 2446. |
The bacteria associated with plant genetic engineering are - |
| A. | salmonella and Pseudomonas |
| B. | Salmonella typhimurium and agrobacterium |
| C. | Bacillus thuringiensis and Pseudomonas fluorescens |
| D. | Both b and c |
| Answer» E. | |
| 2447. |
Ti Plasmid is useful in |
| A. | bringing new genes into animal cells |
| B. | bringing new genes into plant cells |
| C. | to nearly any sites on a chromosome |
| D. | bringing tumour cells into plant cells |
| Answer» D. bringing tumour cells into plant cells | |
| 2448. |
Penicillin is obtained from - |
| A. | Mushroom |
| B. | viruses |
| C. | Bacteria and viruses |
| D. | Penicillium notatum |
| Answer» E. | |
| 2449. |
Ability of a plant or animal cell to repeatedly divide and differentiate into a complete organism is :- |
| A. | cloning |
| B. | DNA finger printing |
| C. | cellular totipotency |
| D. | mitosis |
| Answer» D. mitosis | |
| 2450. |
Introduction of foreign genes into plant or animal cells using micropipettes is |
| A. | Electroporation |
| B. | Chemical - mediated genetransfer |
| C. | microinjection |
| D. | Particle gun |
| Answer» C. microinjection | |