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.
| 451. |
It is the basic structure found in all membranes such as those of mitochondria and chloroplasts. |
| A. | uclear membrane |
| B. | nit membrane |
| C. | lasma membrane |
| D. | ell wall |
| Answer» C. lasma membrane | |
| 452. |
In a cell process of respiration takes place in |
| A. | itochondria |
| B. | lastids |
| C. | ibosomes |
| D. | ysosomes |
| Answer» B. lastids | |
| 453. |
In the cell of animals, some microorganisms and lower plants contain |
| A. | ne centriole |
| B. | wo centriole |
| C. | hree centriole |
| D. | our centriole |
| Answer» C. hree centriole | |
| 454. |
Membrane bound pigment containing bodies present in the cells are called as |
| A. | hloroplasts |
| B. | lasmids |
| C. | lastids |
| D. | ipids |
| Answer» D. ipids | |
| 455. |
Of the following, which is the most fundamental generalization in biology? |
| A. | icrobiology |
| B. | icroscope |
| C. | ell theory |
| D. | iscovery of Cell |
| Answer» D. iscovery of Cell | |
| 456. |
The type of division which occurs in somatic cells is known as |
| A. | itosis |
| B. | eiosis |
| C. | inary Fission |
| D. | egeration |
| Answer» B. eiosis | |
| 457. |
Which division is responsible for the continuity of hereditary information? |
| A. | itosis |
| B. | eiosis |
| C. | egeneration |
| D. | ll of the above |
| Answer» B. eiosis | |
| 458. |
It is a process which converts a single-celled zygote into a great number of cells, which then differentiate into tissues. |
| A. | itosis |
| B. | eiosis |
| C. | ractionation |
| D. | egenration |
| Answer» B. eiosis | |
| 459. |
Metaphase is followed by the next phase of mitosis called |
| A. | naphase |
| B. | rophase |
| C. | nterphase |
| D. | naphase |
| Answer» E. | |
| 460. |
During which phase or phase of cell division, the morphology of the chromosomes is best studied? |
| A. | elophase, anaphase |
| B. | rohase, anaphase |
| C. | naphase, metaphase |
| D. | one of the above |
| Answer» D. one of the above | |
| 461. |
Any foreign object that gains entry into the cell is immediately engulfed by the ________ and is completely broken into simple digestible pieces. |
| A. | .B.Cs |
| B. | latelets |
| C. | aemoglobin |
| D. | ysosomes |
| Answer» E. | |
| 462. |
Which one among the following cell organelles is semi-permeable ? |
| A. | ell membrane |
| B. | lasma membrane |
| C. | ell wall |
| D. | ucleus |
| Answer» E. | |
| 463. |
Closely stacked flattened sacs (plants only) is called |
| A. | acuoles |
| B. | ysosomes |
| C. | olgi apparatus |
| D. | one of the above |
| Answer» D. one of the above | |
| 464. |
What is the study of cells called? |
| A. | ellogysm |
| B. | ytology |
| C. | ell Biology |
| D. | oth B & C |
| Answer» E. | |
| 465. |
Mitosis cannot take place bacteria because they lack ________ |
| A. | hromosomes |
| B. | ucleus |
| C. | entrosome |
| D. | esosomes |
| Answer» C. entrosome | |
| 466. |
Which cell division of phase of cell division maintains the chromosomes number constant from generation to generation? |
| A. | itosis |
| B. | eiosis |
| C. | rophase I |
| D. | ygotene |
| Answer» C. rophase I | |
| 467. |
In each pollen sacs a large number of pollens or microspores are produced by |
| A. | itosis |
| B. | eiosis |
| C. | egeneration |
| D. | ragmentation |
| Answer» C. egeneration | |
| 468. |
Almost all kinds of vegetative reproduction are carried out by the division known as |
| A. | itosis |
| B. | eiosis |
| C. | ultiple fission |
| D. | udding |
| Answer» B. eiosis | |
| 469. |
Chromosome start separating at which stage of mitosis? |
| A. | arly metaphase |
| B. | ate metaphase |
| C. | arly anaphase |
| D. | arly telophase |
| Answer» D. arly telophase | |
| 470. |
During the metaphase and anaphase stages of cell division, each chromosome comprises of two unseparated replicas known as the |
| A. | hiasmata |
| B. | lastids |
| C. | hromatids |
| D. | etrads |
| Answer» D. etrads | |
| 471. |
During which stage of mitosis does cytokinesis usually occur in animals? |
| A. | rophase |
| B. | etaphase |
| C. | naphase |
| D. | elophase |
| Answer» E. | |
| 472. |
At anaphase stage of mitosis in plant cells, interzonal of the spindle fibres gets transformed into |
| A. | quatorial plate |
| B. | ucleoplast |
| C. | hragmoplast |
| D. | hloroplast |
| Answer» D. hloroplast | |
| 473. |
A multicellular organism grows by ________ . |
| A. | ell addition |
| B. | ell explosion |
| C. | ell implosion |
| D. | ell division |
| Answer» E. | |
| 474. |
Function of haemoglobin is |
| A. | o transport oxygen |
| B. | estruction of bacteria |
| C. | o check the loss of blood |
| D. | one of the above |
| Answer» B. estruction of bacteria | |
| 475. |
Function of heart in human body is |
| A. | ork like pumping machines |
| B. | o release energy |
| C. | o increase temperature |
| D. | one of the above |
| Answer» B. o release energy | |
| 476. |
Important component that helps in clotting of the blood is called ________ . |
| A. | aemoglobin |
| B. | latelets |
| C. | erum |
| D. | lasma |
| Answer» C. erum | |
| 477. |
The site of RBC formation in human body is |
| A. | eart |
| B. | pleen |
| C. | iver |
| D. | one marrow |
| Answer» E. | |
| 478. |
Amount of blood found in the body of man is |
| A. | 0% of total body weight |
| B. | 5% of total body weight |
| C. | % total body weight |
| D. | % of total body weight |
| Answer» D. % of total body weight | |
| 479. |
The word histology is related with |
| A. | epatology |
| B. | ematalogy |
| C. | istology |
| D. | one of these |
| Answer» C. istology | |
| 480. |
In a healthy person rate of heart beat on one minute is |
| A. | 8 times |
| B. | 7 times |
| C. | 2 times |
| D. | 0 times |
| Answer» D. 0 times | |
| 481. |
Number of which type of WBC is greatest in blood of human? |
| A. | osinophils |
| B. | asiophils |
| C. | ymphocytes |
| D. | eutrophils |
| Answer» E. | |
| 482. |
Carbon monoxide has ________ greater affinity for haemoglobin as compared to oxygen. |
| A. | 000 times |
| B. | 10 times |
| C. | 0 times |
| D. | times |
| Answer» C. 0 times | |
| 483. |
They are also concerned with the formation and storage of certain compounds secreted by the cell. |
| A. | ysosomes |
| B. | olgi Bodies |
| C. | entriole |
| D. | one of the above |
| Answer» C. entriole | |
| 484. |
Which of the following organelles contain enzymes that have digestive action? |
| A. | lastids |
| B. | ysosomes |
| C. | ibosomes |
| D. | olysomes |
| Answer» C. ibosomes | |
| 485. |
In animal cells, cell division starts with the division of |
| A. | entromeres |
| B. | entrioles |
| C. | entrosomes |
| D. | ibosomes |
| Answer» C. entrosomes | |
| 486. |
Which division provides a means of transmitting unchange information to the daughter cells? |
| A. | itosis |
| B. | eiosis |
| C. | inary fission |
| D. | ragmention |
| Answer» B. eiosis | |
| 487. |
Who first studied the process of cell division in animals? |
| A. | alther Fleming |
| B. | hase |
| C. | endel |
| D. | rawin |
| Answer» B. hase | |
| 488. |
Which organelle in the cell, other than nucleus contains DNA? |
| A. | olgi body |
| B. | itochondria |
| C. | ysosome |
| D. | entriole |
| Answer» C. ysosome | |
| 489. |
Which one is not found in the composition of plasma membrane? |
| A. | inerals |
| B. | hospholipids |
| C. | arbohydrates |
| D. | roteins |
| Answer» B. hospholipids | |
| 490. |
Consider the following plant1. Guava2. Mint3. Sweet potatoThe roots of which of these plants bear adventitious buds that developed into new individuals under favourable conditions. |
| A. | and 2 |
| B. | only |
| C. | only |
| D. | , 2 and 3 |
| Answer» D. , 2 and 3 | |
| 491. |
Which of the following plants produce only seeds but no fruit? |
| A. | ugarcane |
| B. | eanut |
| C. | ycas |
| D. | lmond |
| Answer» D. lmond | |
| 492. |
The movement of materials across the cell membrane with the help of biological energy provided by ATP is called |
| A. | ctive Transport |
| B. | assive Transport |
| C. | ndocytosis |
| D. | ractionation |
| Answer» B. assive Transport | |
| 493. |
Which one among the following Indian scientist proposed a theory for long distance transport of water in plants? |
| A. | .C. Bose |
| B. | irbal Sahni |
| C. | . Maheshwari |
| D. | .S. Parihar |
| Answer» E. | |
| 494. |
Salts and sugars works to preserve foods by creating a |
| A. | ypertonic environment |
| B. | ower pH |
| C. | epletion of nutrients |
| D. | ower osmotic pressure |
| Answer» B. ower pH | |
| 495. |
The normal temperature of human body on the Kelvin scale is |
| A. | 80K |
| B. | 90K |
| C. | 00K |
| D. | 10K |
| Answer» E. | |
| 496. |
Sweating is important |
| A. | or improvement of normal health |
| B. | o open the pore of skin |
| C. | o control the temperature of body |
| D. | o excret the smell of body |
| Answer» D. o excret the smell of body | |
| 497. |
Study of process of ageing |
| A. | enocology |
| B. | eronotology |
| C. | ntogeny |
| D. | one of these |
| Answer» C. ntogeny | |
| 498. |
Ginger is a stem and not a root because |
| A. | t stores food |
| B. | t lacks chlorophyll |
| C. | t has nodes and internodes |
| D. | one of the above |
| Answer» D. one of the above | |
| 499. |
Animals who have constant body temperature are |
| A. | omeothermic |
| B. | emothermic |
| C. | ematology |
| D. | istology |
| Answer» B. emothermic | |
| 500. |
A/An ________ tissue is formed beneath the skin and between internal organs. |
| A. | pithelial |
| B. | ervous |
| C. | uscular |
| D. | dipose |
| Answer» E. | |