MCQOPTIONS
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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. |
Cytoplasm plays role in |
| A. | selection of genes |
| B. | repairing of genes |
| C. | aggregation of denes |
| D. | recombination of genes |
| Answer» B. repairing of genes | |
| 2. |
Under the central cells of blastoderm a pool of fluid develops giving the area a translucent appearance called |
| A. | area opaca |
| B. | area pellucida |
| C. | area translucent |
| D. | clear area |
| Answer» C. area translucent | |
| 3. |
The morphogenetic determinants are present in |
| A. | gastrocoele |
| B. | blastocoele |
| C. | blastomeres |
| D. | mesoderm |
| Answer» D. mesoderm | |
| 4. |
Growth of multicellular plant is divided into |
| A. | one phase |
| B. | two phases |
| C. | three phases |
| D. | four phases |
| Answer» E. | |
| 5. |
In the next half century the number of people over age 75 will rise from 8 million to |
| A. | 10 million |
| B. | 12.5 million |
| C. | 14.5 million |
| D. | 15.5 million |
| Answer» D. 15.5 million | |
| 6. |
The marginal area of the blastoderm in which the cells remain undetached from the yolk is called |
| A. | primitive groove |
| B. | zone of junction |
| C. | area pellucida |
| D. | area opaca |
| Answer» C. area pellucida | |
| 7. |
The chick after completing its development is hatched on the |
| A. | tenth day |
| B. | twenty first day |
| C. | eleventh day |
| D. | thirty first day |
| Answer» C. eleventh day | |
| 8. |
The type of cleavage in bird's egg is known as |
| A. | endodermal cleavage |
| B. | discoidal cleavage |
| C. | double cleavage |
| D. | multiple cleavage |
| Answer» C. double cleavage | |
| 9. |
During differentiation phase |
| A. | thickening appears on the walls of xylem vessels |
| B. | new structural features develop |
| C. | walls of some cells become pitted |
| D. | all of the above |
| Answer» E. | |
| 10. |
The cells responsible for increase in the number of cells at the tips of roots and stem are |
| A. | intercalary meristem |
| B. | lateral meristem |
| C. | apical meristems |
| D. | apex |
| Answer» D. apex | |
| 11. |
The phenomenon in which light duration induce or supress flowering is called |
| A. | photoperiodism |
| B. | phototactism |
| C. | photoflowering |
| D. | biorhythym |
| Answer» B. phototactism | |
| 12. |
The mesoderm cells migrate medially and caudally from both sides and create a mid line thickening called |
| A. | primitive groove |
| B. | primitive ridge |
| C. | primitive pit |
| D. | primitive streak |
| Answer» E. | |
| 13. |
During elongation the cell volume increases due to |
| A. | uptake of minerals |
| B. | uptake of salts |
| C. | uptake of water |
| D. | uptake of oxygen |
| Answer» D. uptake of oxygen | |
| 14. |
The study of growth and differentiation undergone by an animal from zygote into a highly complex individual is called |
| A. | histology |
| B. | zoology |
| C. | embryology |
| D. | physiology |
| Answer» D. physiology | |
| 15. |
The anterior end of neural groove forms the future |
| A. | liver |
| B. | spinal cord |
| C. | heart |
| D. | brain |
| Answer» E. | |
| 16. |
In plants duration of light affects the |
| A. | vegetative growth |
| B. | reproductive growth |
| C. | flowering |
| D. | all of the above |
| Answer» E. | |
| 17. |
During gastrulation the blastoderm splits into |
| A. | two layers |
| B. | one layer |
| C. | three layers |
| D. | four layers |
| Answer» B. one layer | |
| 18. |
Limb regeneration is mostly studied in |
| A. | earthworm |
| B. | salamander |
| C. | starfish |
| D. | sponges |
| Answer» C. starfish | |
| 19. |
Light influences growth in |
| A. | one way |
| B. | two ways |
| C. | three ways |
| D. | four ways |
| Answer» D. four ways | |
| 20. |
The least temperature at which growth can continue is |
| A. | 01-10-1930 12:00:00 AM |
| B. | 05-10-2015 12:00:00 AM |
| C. | 01-10-2020 12:00:00 AM |
| D. | 01-10-1940 12:00:00 AM |
| Answer» C. 01-10-2020 12:00:00 AM | |
| 21. |
The process of fusion of egg and sperm results in the formation of |
| A. | clone |
| B. | zygote |
| C. | cell |
| D. | nymph |
| Answer» C. cell | |
| 22. |
Gray vegetal cytoplasm gives rise to |
| A. | brain |
| B. | gut |
| C. | liver |
| D. | kidney |
| Answer» C. liver | |
| 23. |
At present the number of people over age 75 is |
| A. | 5 million |
| B. | 6 million |
| C. | 7 million |
| D. | 8 million |
| Answer» E. | |
| 24. |
Indole-3-acetic acid (IAA) causes |
| A. | cell divisions |
| B. | cell differentiation |
| C. | cell elongation |
| D. | cell maturation |
| Answer» D. cell maturation | |
| 25. |
The removal of apex releases the lateral buds from apical dominance it is called |
| A. | inhibitory effect |
| B. | compensatory effect |
| C. | promoting effect |
| D. | supporting effect |
| Answer» C. promoting effect | |
| 26. |
In the next half century the number of people over age 80 will rise from 5 million to |
| A. | 10 million |
| B. | 12 million |
| C. | 14 million |
| D. | 16 million |
| Answer» C. 14 million | |
| 27. |
Notochord is one of the few prominent structural features in the chick embryo of about |
| A. | 15 hours |
| B. | 18 hours |
| C. | 13 hours |
| D. | 10 hours |
| Answer» C. 13 hours | |
| 28. |
The walls of many kind of cells and tissues become pitted during |
| A. | differentiation |
| B. | elongation |
| C. | cell division |
| D. | maturation |
| Answer» B. elongation | |
| 29. |
Secondary growth leads to increase in |
| A. | thickness |
| B. | height |
| C. | length |
| D. | no. of flowers |
| Answer» B. height | |
| 30. |
The cells at the periphery of blastoderm are |
| A. | flattened |
| B. | larger |
| C. | smaller |
| D. | both a and b |
| Answer» E. | |
| 31. |
When the cell enlargement ceases the proces that starts is |
| A. | elongation |
| B. | differentiation |
| C. | cell division |
| D. | maturation |
| Answer» C. cell division | |
| 32. |
Work on embryonic induction was reported by |
| A. | hans spemann |
| B. | hilde mangold |
| C. | hans driesch |
| D. | both a and b |
| Answer» E. | |
| 33. |
Morula has a disc shaped mass of cells two or more layers in thickness called |
| A. | blastoderm |
| B. | epiblast |
| C. | hypoblast |
| D. | somatic mesoderm |
| Answer» B. epiblast | |
| 34. |
In plants growth and development involve |
| A. | cell division |
| B. | elongation |
| C. | differentiation |
| D. | all of the above |
| Answer» E. | |
| 35. |
Vitamin deficiencies are induced in plants if they are grown in |
| A. | light |
| B. | dark |
| C. | moist places |
| D. | dry environment |
| Answer» C. moist places | |
| 36. |
An internal factor that influences growth in plants is |
| A. | hormones |
| B. | water |
| C. | nutrition |
| D. | all of the above |
| Answer» E. | |
| 37. |
Stage one in differentiation involves |
| A. | recognition of apical meristems |
| B. | formation of embryo |
| C. | recognition of cambium |
| D. | production of leaf primordial |
| Answer» C. recognition of cambium | |
| 38. |
The number of people over age 80 is |
| A. | 2 million |
| B. | 3 million |
| C. | 4 million |
| D. | 5 million |
| Answer» E. | |
| 39. |
Leaf and shoot primordia develop from |
| A. | apical meristematic cells |
| B. | pericycle |
| C. | endoderm cells |
| D. | mesoderm cells |
| Answer» B. pericycle | |
| 40. |
Abstinence from smoking and maintaining ideal weight can prolong life by an average of |
| A. | 5 years |
| B. | 7 years |
| C. | 11 years |
| D. | 20 years |
| Answer» D. 20 years | |
| 41. |
Powerful growth zones found at the apices of roots and stem are called |
| A. | lateral meristems |
| B. | apical meristems |
| C. | intercalary meristems |
| D. | none of the above |
| Answer» C. intercalary meristems | |
| 42. |
Which of the following explains the term economic development? |
| A. | improvement in the technology involved |
| B. | improvement in production |
| C. | improvement in distribution system |
| D. | all the above |
| Answer» E. | |
| 43. |
An underdeveloped economy is characterized by |
| A. | high per capita real income |
| B. | large proportion of labour force in the tertiary sector |
| C. | state of deprivation of large proportion of population |
| D. | all the above |
| Answer» D. all the above | |
| 44. |
Which of the following explains the term economic growth? |
| A. | increase in per capita production |
| B. | increase in per capita real income |
| C. | structural change in the economy |
| D. | all the above are right |
| Answer» E. | |
| 45. |
A graphical technique that can be used to show the degree of inequality that exists between two variables is the: |
| A. | lorenz curve |
| B. | median-line bar graph |
| C. | kuznets curve |
| D. | semantic differential profile |
| Answer» B. median-line bar graph | |
| 46. |
The Gini coefficient is a technique frequently used to show: |
| A. | variations in life expectancy |
| B. | income inequality |
| C. | differences in infant mortality |
| D. | the education gap |
| Answer» C. differences in infant mortality | |
| 47. |
The number of deaths of children under one year of age per 1000 live births is the: |
| A. | child mortality rate |
| B. | infant mortality rate |
| C. | toddler mortality rate |
| D. | neo-natal mortality rate |
| Answer» C. toddler mortality rate | |
| 48. |
India’s First Five Year Plan was based on: |
| A. | mahalanobis model |
| B. | feldman model |
| C. | harrod-domar model |
| D. | leontief model |
| Answer» D. leontief model | |
| 49. |
Identify the model which is concerned with the ‘golden age’ equilibrium: |
| A. | kaldor model |
| B. | joan robinson model |
| C. | keynesian model |
| D. | domar model |
| Answer» C. keynesian model | |
| 50. |
Which of the following models makes the assumption of constant saving-income ratio? |
| A. | kaldor model |
| B. | leontief model |
| C. | harrod-domar model |
| D. | joan robinson model |
| Answer» D. joan robinson model | |