MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The name of the first genetically modified organism was |
| A. | globacteria |
| B. | glow virus |
| C. | glofish |
| D. | glomice |
| Answer» D. glomice | |
| 2. |
If male and female flowers are borne on different plants, the plant is called |
| A. | dioecious |
| B. | bisexual |
| C. | XX |
| D. | XX |
| Answer» B. bisexual | |
| 3. |
Large intake of water |
| A. | stimulates active production of ADH |
| B. | decreases osmotic pressure in plasma |
| C. | causes excess selective reabsorption |
| D. | produces lesser urine |
| Answer» C. causes excess selective reabsorption | |
| 4. |
The basic purpose of endosperm is to act as a |
| A. | food storage tissue |
| B. | protection to testa |
| C. | XX |
| D. | pericarp |
| Answer» B. protection to testa | |
| 5. |
In fungi, the starch is converted to maltose through |
| A. | deamination process |
| B. | protease |
| C. | amylase |
| D. | maltase |
| Answer» E. | |
| 6. |
Bacteria capable to produce their own food are called as |
| A. | parasites |
| B. | saprophytes |
| C. | penicillin |
| D. | autotrophs |
| Answer» E. | |
| 7. |
Fungi have |
| A. | extracellular digestion |
| B. | an efficient digestive system |
| C. | ventral root |
| D. | vasoconstriction |
| Answer» B. an efficient digestive system | |
| 8. |
The technique of inserting DNA into animal cells is known as |
| A. | macro injection |
| B. | microinjection |
| C. | genome injection |
| D. | fusion injection |
| Answer» C. genome injection | |
| 9. |
The cornified layer is thickest in |
| A. | soles of feet |
| B. | scalp of head |
| C. | none of these |
| D. | both of these |
| Answer» B. scalp of head | |
| 10. |
Pollens have rough surfaces in plants pollinated by |
| A. | insects |
| B. | wind |
| C. | XX |
| D. | XX |
| Answer» B. wind | |
| 11. |
The first use of pure microbiological process in an industrial procedure was made by Chaim Weizmann in |
| A. | 1925 |
| B. | 1921 |
| C. | 1907 |
| D. | 1917 |
| Answer» E. | |
| 12. |
Starch formation can occur in |
| A. | stem |
| B. | roots |
| C. | phloem |
| D. | leaves |
| Answer» C. phloem | |
| 13. |
Fossil fuels |
| A. | can be recycled |
| B. | cannot be recycled |
| C. | XX |
| D. | XX |
| Answer» C. XX | |
| 14. |
Activities ensuring the life of a cell are carried out in |
| A. | Protoplasm |
| B. | Cytoplasm |
| C. | Mitochondrion |
| D. | Vacuoles |
| Answer» B. Cytoplasm | |
| 15. |
Catabolic activities include |
| A. | formation of new protoplasm |
| B. | conversion of glucose to glycogen |
| C. | formation of urea in the liver |
| D. | cell repair |
| Answer» D. cell repair | |
| 16. |
Gonad gland is |
| A. | endocrine gland |
| B. | exocrine gland |
| C. | none of these |
| D. | both of these |
| Answer» E. | |
| 17. |
Protein molecules are but |
| A. | very large to pass through living membranes |
| B. | water soluble |
| C. | produce amino acids as the final product |
| D. | need to by hydrolyzed to get digested |
| Answer» C. produce amino acids as the final product | |
| 18. |
Superior vena cava is formed through |
| A. | subclavian vein and hepatic vein |
| B. | subclavian vein and jugular vein |
| C. | iliac and renal veins |
| D. | pulmonary vein and jugular vein |
| Answer» C. iliac and renal veins | |
| 19. |
Pulmonary circulation links |
| A. | blood from pulmonary veins to pulmonary arteries |
| B. | blood from pulmonary arteries to pulmonary veins |
| C. | blood in closed circulation system |
| D. | blood from lungs to heart |
| Answer» C. blood in closed circulation system | |
| 20. |
Beneath the prostrate gland is |
| A. | vas deferens |
| B. | Cowpers gland |
| C. | XX |
| D. | seminal vesicle |
| Answer» C. XX | |
| 21. |
Ecological niche defines the |
| A. | diet of an organism |
| B. | function of an organism in its habitat |
| C. | population of an organism |
| D. | the food chain |
| Answer» C. population of an organism | |
| 22. |
120 to 140 mm of mercury is an adults normal |
| A. | diastolic pressure |
| B. | systolic pressure |
| C. | none of these |
| D. | peristalsis pressure |
| Answer» C. none of these | |
| 23. |
Toxication may results from large consumptions of |
| A. | carbohydrates |
| B. | proteins |
| C. | vitamins |
| D. | fats |
| Answer» D. fats | |
| 24. |
Epicalyx is |
| A. | covering outer to calyx |
| B. | found when there is no calyx |
| C. | XX |
| D. | non-floral leaves |
| Answer» B. found when there is no calyx | |
| 25. |
In order to digest proteins, it is converted into |
| A. | fiber |
| B. | glucose |
| C. | none of these |
| D. | polypeptides |
| Answer» E. | |
| 26. |
The cycling of carbon, nitrogen, oxygen and water is brought about by |
| A. | physical processes |
| B. | chemical processes |
| C. | all of these |
| D. | biological processes |
| Answer» D. biological processes | |
| 27. |
Opium, morphine and heroin are examples of |
| A. | cocaine |
| B. | opiates |
| C. | cannabis |
| D. | depressant drugs |
| Answer» C. cannabis | |
| 28. |
Extreme changes in acidity or alkalinity of solutions |
| A. | more enzymes are needed |
| B. | produce more hydrogen per oxide |
| C. | foods gets digested earlier |
| D. | the enzymes may become denatured |
| Answer» E. | |
| 29. |
Organs producing reproductive cells are called as |
| A. | gonads |
| B. | gametes |
| C. | XX |
| D. | globules |
| Answer» B. gametes | |
| 30. |
To enable the materials locked up in dead organisms, main role is played by |
| A. | secondary consumers |
| B. | primary consumers |
| C. | XX |
| D. | decomposers |
| Answer» E. | |
| 31. |
All are the features of invertebrates but |
| A. | quick response to the environment |
| B. | well coordinated activities |
| C. | well developed brain |
| D. | efficient sensitivity |
| Answer» D. efficient sensitivity | |
| 32. |
Lobed nucleus and granulated cytoplasm are characteristics of |
| A. | phagocytes |
| B. | lymphocytes |
| C. | polymorphs |
| D. | monocytes |
| Answer» D. monocytes | |
| 33. |
The interaction of living things and nonliving things is called as |
| A. | ecological community |
| B. | ecological niche |
| C. | XX |
| D. | ecosystem |
| Answer» E. | |
| 34. |
If the generalized formulae of carbohydrates is CnH2mOm, what is n and m for glucose |
| A. | n=3 and m=6 |
| B. | n=3 and m=3 |
| C. | n=12 and m=12 |
| D. | n=6 and m=6 |
| Answer» E. | |
| 35. |
Disaccharides are also called as |
| A. | polymer sugar |
| B. | simple sugars |
| C. | compound sugar |
| D. | complex sugar |
| Answer» E. | |
| 36. |
A bean shaped nucleus is characteristic of |
| A. | phagocytes |
| B. | lymphocytes |
| C. | polymorphs |
| D. | monocytes |
| Answer» E. | |
| 37. |
To hydrolyze Tristearin, the enzyme used is |
| A. | lipase |
| B. | sucrose |
| C. | amylase |
| D. | maltase |
| Answer» B. sucrose | |
| 38. |
The first genetically modified organism generated was |
| A. | bacteria |
| B. | fish |
| C. | virus |
| D. | mice |
| Answer» B. fish | |
| 39. |
Energy balance refers to the |
| A. | amount of starch in take |
| B. | equation of rate of oxidation |
| C. | none of these |
| D. | equilibrium between energy intake and energy expenditures |
| Answer» E. | |
| 40. |
Physical digestion means the |
| A. | cellular breakup of food |
| B. | mechanical breakup of food |
| C. | mechanical breakdown of food into smaller pieces |
| D. | chewing up of food |
| Answer» D. chewing up of food | |
| 41. |
Optic lobes are found in |
| A. | grooves of cerebral hemisphere |
| B. | fissures in cerebral hemispheres |
| C. | at the base of cerebral hemisphere |
| D. | midbrain |
| Answer» E. | |
| 42. |
A general feeling of irritability and tiredness may be due to the lack of |
| A. | carbohydrates |
| B. | proteins |
| C. | vitamins |
| D. | fats |
| Answer» D. fats | |
| 43. |
In willow trees, the cotton wool is mostly made of |
| A. | air floats |
| B. | air ducts |
| C. | XX |
| D. | cellulose |
| Answer» E. | |
| 44. |
The organ of dispersal is the tuft of hairs around testa in |
| A. | plumed seeds |
| B. | plumed fruits |
| C. | winged fruits |
| D. | winged seeds |
| Answer» B. plumed fruits | |
| 45. |
Food chain and food web is made up of |
| A. | ecological niche |
| B. | food chain |
| C. | XX |
| D. | ecological community |
| Answer» C. XX | |
| 46. |
Speed of impulse transmission in fiber is expedited through |
| A. | neurilemma |
| B. | myelin sheath |
| C. | all of these |
| D. | node of Ranvier |
| Answer» E. | |
| 47. |
Piliferous layers refers to the |
| A. | cortex |
| B. | cuticle |
| C. | root hairs |
| D. | pith cells |
| Answer» D. pith cells | |
| 48. |
Very low temperatures make enzyme |
| A. | freeze |
| B. | hyperactive |
| C. | inactive |
| D. | dissolve in water |
| Answer» D. dissolve in water | |
| 49. |
Starch is commonly formed and stored in |
| A. | plants |
| B. | animals |
| C. | none of them |
| D. | both of them |
| Answer» B. animals | |
| 50. |
Vegetables fats are |
| A. | unsaturated fats |
| B. | saturated fats |
| C. | both of these |
| D. | none of these |
| Answer» B. saturated fats | |