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.
| 501. |
Which of the following acts as an insulator against heat, cold and as a shock-absorber in the body? |
| A. | ermis |
| B. | pidermis |
| C. | ubcutaneous fat layer |
| D. | one of the above |
| Answer» D. one of the above | |
| 502. |
Which of the following is the cellular respiratory centre? |
| A. | ucleus |
| B. | itochondria |
| C. | ibosome |
| D. | olgi body |
| Answer» C. ibosome | |
| 503. |
Branch of science which deals with the study of skin of man is called |
| A. | hysiology |
| B. | natomy |
| C. | iochemistry |
| D. | ermatology |
| Answer» E. | |
| 504. |
Which of the following is responsible for giving colour to human skin? |
| A. | uciferin |
| B. | aemoglobin |
| C. | lavonoids |
| D. | elanin |
| Answer» E. | |
| 505. |
They form the material which forms skins, muscles, hair and nails in animals. |
| A. | rotein |
| B. | arbohydrates |
| C. | ats |
| D. | itamins |
| Answer» B. arbohydrates | |
| 506. |
In human the thickest skin is present in |
| A. | alm |
| B. | ole |
| C. | eck |
| D. | ead |
| Answer» C. eck | |
| 507. |
How many daughter cells reproduces after the completion of Meiosis II? |
| A. | daughter cells |
| B. | daughter cells |
| C. | daughter cells |
| D. | daughter cells |
| Answer» C. daughter cells | |
| 508. |
The shape of chromosome is clearly visible at |
| A. | rophase |
| B. | naphase |
| C. | etaphase |
| D. | elophase |
| Answer» D. elophase | |
| 509. |
During which phase centromeres divide and chromatids separate into chromosomes? |
| A. | rophase |
| B. | etaphase |
| C. | elophase |
| D. | naphase |
| Answer» E. | |
| 510. |
If CO2 concentration in the blood increases, the breathing will |
| A. | ncrease |
| B. | ecrease |
| C. | top |
| D. | o effect |
| Answer» B. ecrease | |
| 511. |
Blood leaving lungs, is rich in |
| A. | xygen |
| B. | arbondioxide |
| C. | aemoglobin |
| D. | umber of RBC |
| Answer» B. arbondioxide | |
| 512. |
It is the site of chromosome attachment to the fibres of spindle. |
| A. | hromomere |
| B. | entromere |
| C. | entrosme |
| D. | lastomere |
| Answer» C. entrosme | |
| 513. |
It is formed by a repeating nucleosome units, which are closely attached to each other to a continuous fibre. |
| A. | hromatin |
| B. | entromere |
| C. | hromosome |
| D. | |
| Answer» B. entromere | |
| 514. |
Healing of wounds is dependent upon the ________ division of underlying cells. |
| A. | eiosis |
| B. | itotic |
| C. | udding |
| D. | one of the above |
| Answer» C. udding | |
| 515. |
A typical chromosome has two parts a centrifuge and ________ |
| A. | lastomeres |
| B. | hromosomes |
| C. | entrosomes |
| D. | ibosomes |
| Answer» D. ibosomes | |
| 516. |
The stage of mitosis at which chromatids separate as independent chromosomes is the |
| A. | rophase |
| B. | etaphase |
| C. | naphase |
| D. | elophase |
| Answer» D. elophase | |
| 517. |
In which of these mitosis is missing and the cell divided by binary fission? |
| A. | rokaryotes |
| B. | ukaryotes |
| C. | rthropdes |
| D. | ll of these |
| Answer» B. ukaryotes | |
| 518. |
Which phase's intiation is indicated by the appearance of the chromosomes as thin threads in the nucleus? |
| A. | rophase |
| B. | etaphase |
| C. | elophase |
| D. | naphase |
| Answer» B. etaphase | |
| 519. |
The process of evaporation occurs from |
| A. | oot |
| B. | tem |
| C. | eaf |
| D. | ntire 'plants' surface |
| Answer» D. ntire 'plants' surface | |
| 520. |
When are chromatids found in a cell? |
| A. | naphase |
| B. | etaphase |
| C. | rophase |
| D. | one of the above |
| Answer» C. rophase | |
| 521. |
When the concentration of water and solutes on either side of the cell membrane is same, the solution is said to be |
| A. | ypertonic |
| B. | sotonic |
| C. | ypotonic |
| D. | one of these |
| Answer» C. ypotonic | |
| 522. |
The pollen grains of Pinus are carried to its female cone through the |
| A. | ollen tube |
| B. | ind |
| C. | nsects |
| D. | nimals |
| Answer» C. nsects | |
| 523. |
In a bisexual flower if androecium and gynoecium mature at different time the phenomenon is known as ________ |
| A. | ichogamy |
| B. | erpogamy |
| C. | aterogamy |
| D. | one of these |
| Answer» B. erpogamy | |
| 524. |
Gymnosperms are characterized by the |
| A. | bsence of seeds |
| B. | resence of flowers |
| C. | resence of seeds in cones |
| D. | bsence of vascular tissues |
| Answer» B. resence of flowers | |
| 525. |
What type of tissue is Blood? |
| A. | pithelial |
| B. | ardiac |
| C. | onnective |
| D. | uscular |
| Answer» D. uscular | |
| 526. |
Complete oxidation of sucrose in presence of oxygen into CO2, water and energy is called |
| A. | erobic respiration |
| B. | naerobic respiration |
| C. | lycolysis |
| D. | ydrolysis |
| Answer» B. naerobic respiration | |
| 527. |
The C shape of the tracheal cartilage is important because |
| A. | ivide the nasal cavity |
| B. | llows for expansion or contraction of the trachea |
| C. | rovide a surface for the sense of smell |
| D. | ll of the above |
| Answer» C. rovide a surface for the sense of smell | |
| 528. |
Rate of breathing in a minute by man is |
| A. | 6-18 |
| B. | 0-25 |
| C. | 1-15 |
| D. | 0-72 |
| Answer» B. 0-25 | |
| 529. |
At the time of inspiration the diaphragm |
| A. | xpand |
| B. | ontract |
| C. | elaxed |
| D. | oes not under any change |
| Answer» C. elaxed | |
| 530. |
What is common in both striated and cardiac cell? |
| A. | hape |
| B. | umber |
| C. | triations |
| D. | ontractions |
| Answer» D. ontractions | |
| 531. |
Who is regarded as father of plant tissue culture? |
| A. | aberlandt |
| B. | hite |
| C. | innaeus |
| D. | koog |
| Answer» B. hite | |
| 532. |
The camel's hump is composed of a tissue which provides water when oxidized. It is |
| A. | keletal tissue |
| B. | reolar tissue |
| C. | dipose tissue |
| D. | uscular tissue |
| Answer» D. uscular tissue | |
| 533. |
Smooth muscles are likely to be found in |
| A. | uscles of legs |
| B. | uscles of arms |
| C. | tomach |
| D. | eart |
| Answer» D. eart | |
| 534. |
In plants and mineral salts from soil to the aerial parts of the plant are conducted through |
| A. | ylem vessels |
| B. | hloem vessels |
| C. | ascular bundle |
| D. | ll of the above |
| Answer» B. hloem vessels | |
| 535. |
Detail study of internal organs at level of tissue with the help of microscope is called |
| A. | istology |
| B. | natomy |
| C. | cology |
| D. | axonomy |
| Answer» B. natomy | |
| 536. |
Tissue in which cells have lost the capacity of cell division is |
| A. | esristmatic tissue |
| B. | ermanent tissue |
| C. | oth a and b |
| D. | one of these |
| Answer» C. oth a and b | |
| 537. |
The major constituent of connective tissue is |
| A. | ipid |
| B. | arbohydrate |
| C. | holesterol |
| D. | ollagen |
| Answer» E. | |
| 538. |
Xylem tissue is mainly concerned with the |
| A. | hotosynthesis of plants |
| B. | ransport of water and mineral nutrients in plants |
| C. | torage of prepared foods in plants |
| D. | ransport of enzymes in plants |
| Answer» C. torage of prepared foods in plants | |
| 539. |
The food material prepared in the plants is transported to the various organs by which of the following? |
| A. | ylem |
| B. | hloem |
| C. | ortex |
| D. | ambium |
| Answer» C. ortex | |
| 540. |
The water and mineral salts are transported to the various organs by which of the following? |
| A. | ylem |
| B. | hloem |
| C. | ortex |
| D. | ambium |
| Answer» B. hloem | |
| 541. |
The main function of the inner bark of a woody plant is to |
| A. | ransport minerals and water from the roots to the leaves |
| B. | ct as a membrane impermeable to water and gas |
| C. | ransport food from the leaves to the other parts of the plant |
| D. | rotect the plant from herbivorous animals |
| Answer» D. rotect the plant from herbivorous animals | |
| 542. |
Tracheids are conducting cells of which tissue? |
| A. | ylem |
| B. | hloem |
| C. | ambium |
| D. | one of these |
| Answer» B. hloem | |
| 543. |
Bones join with muscles with the help of |
| A. | igament |
| B. | endon |
| C. | artilage |
| D. | mall muscles |
| Answer» C. artilage | |
| 544. |
Cells which takes part in secondary growth are named as |
| A. | hloem |
| B. | ylem |
| C. | ambium |
| D. | edullary ray |
| Answer» D. edullary ray | |
| 545. |
Which one of the following is modification of parenchyma? |
| A. | ibres found in phloem |
| B. | racheids |
| C. | essel |
| D. | hlorenchyma |
| Answer» E. | |
| 546. |
Branch of science which deals with the study of tissue found in the body of organism is |
| A. | epatology |
| B. | istology |
| C. | aematology |
| D. | erpetology |
| Answer» C. aematology | |
| 547. |
Which plants have vascular tissues i.e .xylem and phloem vessel? |
| A. | racheophytes |
| B. | ryophytes |
| C. | hallophytes |
| D. | one of the above |
| Answer» B. ryophytes | |
| 548. |
Which plant cells give support to plant body? |
| A. | hloem cells |
| B. | ylem cells |
| C. | clerenchymatous cells |
| D. | arenchyma cells |
| Answer» D. arenchyma cells | |
| 549. |
The corner of the cells of collenchyma tissue in plant are thickened due to deposition of ________ |
| A. | ignin and suberin |
| B. | uberin and cutin |
| C. | ellulose and pectin |
| D. | hitin and lignin |
| Answer» D. hitin and lignin | |
| 550. |
Blood and lymph are types of |
| A. | uscular tissue |
| B. | pithelial tissue |
| C. | onnective tissue |
| D. | ermanent tissue |
| Answer» D. ermanent tissue | |