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.
| 3901. |
During which stage of meiosis crossing over takes place ? |
| A. | Leptotene |
| B. | Zygotene |
| C. | Dikinesis |
| D. | Pachytene |
| Answer» D. Pachytene | |
| 3902. |
Significance of meiosis is associated with : |
| A. | DNA duplication |
| B. | Asexual reproduction |
| C. | Sexual reproduction |
| D. | Growth of the body |
| Answer» D. Growth of the body | |
| 3903. |
In which of the following matters mitosis and meiosis are similar ? |
| A. | Both are precede by DNA replication |
| B. | Both have pairing of homologous chromosomes |
| C. | Both process occurs in all kinds of cells |
| D. | Both include separation of paired chromosomes. |
| Answer» C. Both process occurs in all kinds of cells | |
| 3904. |
Chromosomes can be counted during : |
| A. | Prophase |
| B. | Metaphase |
| C. | Anaphas |
| D. | Telophase |
| Answer» C. Anaphas | |
| 3905. |
Which is the longest phase of meitoic division ? |
| A. | Prophase-I |
| B. | Metaphase-I |
| C. | Anaphase-I |
| D. | Telophase-I |
| Answer» B. Metaphase-I | |
| 3906. |
If the initial amout of DNA is denoted as 2C then it increases into : |
| A. | 2C |
| B. | 4C |
| C. | 8C |
| D. | 6C |
| Answer» C. 8C | |
| 3907. |
The number of meiotic divisions required to produce 400 seeds in a pea plant is..... |
| A. | 200 |
| B. | 700 |
| C. | 500 |
| D. | 400 |
| Answer» E. | |
| 3908. |
The term ‘karyokinesis’ is used for…. |
| A. | Disappearance of nuclear mimbrane during metaphase |
| B. | Changes occuring at anaphase, when chromosomes move to the opposite poles. |
| C. | Event occuring during interphase |
| D. | Over all changes occurring in nucleus during the cell division. |
| Answer» E. | |
| 3909. |
If there are four chromosomes present during prophase – I, how many chromosome are there in each cell at the end of anaphase - II |
| A. | 4 |
| B. | 8 |
| C. | 2 |
| D. | 16 |
| Answer» D. 16 | |
| 3910. |
The minimum number of meiotic divisions required to obtain 100 pollen grain of wheat is..... |
| A. | 40 |
| B. | 25 |
| C. | 150 |
| D. | 200 |
| Answer» C. 150 | |
| 3911. |
Substances that interface with microtubule function interfare with cell division because.... |
| A. | Microtubules are distributed equally in the new cells |
| B. | Microtubules are involved in precise separate set of chromosomes get into each daughter cells. |
| C. | Without microtubules, cytokinesis cannot take place and a membrane is form |
| Answer» C. Without microtubules, cytokinesis cannot take place and a membrane is form | |
| 3912. |
Which fungus is useful to prepare bread ? |
| A. | Rhizopus nigrican |
| B. | Saecharhomyces Cerrevisiae |
| C. | Clostridium Butirycum |
| D. | Asper Gillus Niger |
| Answer» C. Clostridium Butirycum | |
| 3913. |
Which one is useful as a immunosuppresive agent in organ transplant ? |
| A. | Cyclosprin-C |
| B. | Cyclosporin-L |
| C. | Cyclosporin-A |
| D. | All the given |
| Answer» D. All the given | |
| 3914. |
Meiosis – II is : |
| A. | Cell division |
| B. | Mitotic division |
| C. | Commonly cell elongation |
| D. | Reduction division |
| Answer» C. Commonly cell elongation | |
| 3915. |
Significance of meiosis......... |
| A. | The number of chromosomes is maintained in all cells. |
| B. | It is important process for evolution |
| C. | Due to division, cell can maintain their efficient size. |
| D. | A very significant contributing of mitosis is cell repair |
| Answer» C. Due to division, cell can maintain their efficient size. | |
| 3916. |
The stage of mitosis during which the nucleolus disintegrates and chromosomes appear is known as |
| A. | Interphase |
| B. | Metaphase |
| C. | Prophase |
| D. | Anaphase |
| Answer» D. Anaphase | |
| 3917. |
Which metabolic process is performed by bectaria in biogas plant ? |
| A. | Aerobic Respiration |
| B. | Cellular Respiration |
| C. | Anerobic Respiration |
| D. | Internal Respiration |
| Answer» D. Internal Respiration | |
| 3918. |
Which is one correct for the amino acid ? |
| A. | L-melic acid |
| B. | L-Lycin |
| C. | L-aluconic Acid |
| D. | (a) & (c) both |
| Answer» C. L-aluconic Acid | |
| 3919. |
Which organism is useful to form biofertiliser ? |
| A. | Glomu |
| B. | Cynobacteria |
| C. | Azospirillum |
| D. | All the given |
| Answer» E. | |
| 3920. |
Which is to be used in production of swiss cheese ? |
| A. | Monoscus Purpureu |
| B. | Clostridium bacterium |
| C. | Lacto Bacillus |
| D. | Saecharhomyces Cerrevisiae |
| Answer» C. Lacto Bacillus | |
| 3921. |
Which is useful to remove the oily stains in laundry ? |
| A. | Renin |
| B. | Protease |
| C. | Amaylase |
| D. | Lipase |
| Answer» E. | |
| 3922. |
Which group is true for the Enzymes of micro organism ? |
| A. | Amylase, Protease, Lipase, Protease. |
| B. | Glycin, Renin, Lipase, Melic Acid |
| C. | Lipase, Protease, Lipase, Amylase |
| D. | Glyconic acid, protease, Lipase, Amylose |
| Answer» D. Glyconic acid, protease, Lipase, Amylose | |
| 3923. |
Which option is related with the utility of lectic acid ? |
| A. | In fermantation, to prepare pickle |
| B. | useful for preparing curd from milk |
| C. | To increase the quality of vitamin B12 |
| D. | All the given. |
| Answer» E. | |
| 3924. |
Which is used to prevent blood clotting in blood vessels ? |
| A. | Steriod |
| B. | Cyclo sporin-A |
| C. | Streptokinase |
| D. | Stetins |
| Answer» D. Stetins | |
| 3925. |
Which bacteria is useful for purification in sewage treatment ? |
| A. | Hetrotrop |
| B. | Symbiont |
| C. | Free living |
| D. | Parasist |
| Answer» B. Symbiont | |
| 3926. |
Which organic compuned is useful to prepare Encilage ? |
| A. | Vitamin |
| B. | Protien |
| C. | Lipid |
| D. | Carbohydrates |
| Answer» E. | |
| 3927. |
Which is irrelavant for mychorrhiza ? |
| A. | Absorb of phosphorou |
| B. | Increase Immunity |
| C. | Fixation of Free N2 |
| D. | Protectes against salinity and draought |
| Answer» D. Protectes against salinity and draought | |
| 3928. |
In production of which carbonic acid,Aspergillus niger is useful ? |
| A. | Citric acid |
| B. | Butyric acid |
| C. | Acetic acid |
| D. | Palmitic acid |
| Answer» B. Butyric acid | |
| 3929. |
Which one correct option for fermantation ? |
| A. | To prepare pickle from vegetable and savour fruits |
| B. | To prepare food for cattle |
| C. | To prepare some vitamins |
| D. | In production of some Enzymes |
| Answer» E. | |
| 3930. |
Which one is produce by the help of Arebia gossipae ? |
| A. | Riboflavin |
| B. | Steriods |
| C. | Statins |
| D. | Lycin |
| Answer» B. Steriods | |
| 3931. |
Which one is related with steriods ? |
| A. | Citric acid |
| B. | Butyric acid |
| C. | Acetic acid |
| D. | Palmitic acid |
| Answer» D. Palmitic acid | |
| 3932. |
Which micro organism is useful to obtain short chain fatty acids ? |
| A. | Saecharhomyces Cerrevisiae |
| B. | Azeto bacter aciti |
| C. | Clostridium butirycum |
| D. | Aspergillus niger |
| Answer» B. Azeto bacter aciti | |
| 3933. |
Which is useful to obtainace acetic acid ? |
| A. | Aspergillus niger |
| B. | Clostridium Butirycun |
| C. | Acetobactor aceti |
| D. | Saech arhomyces Cerreui Siae |
| Answer» D. Saech arhomyces Cerreui Siae | |
| 3934. |
Which is useful to remove weeds in agriculture ? |
| A. | Pesticide |
| B. | Weedicide |
| C. | Fungicide |
| D. | Insecticides |
| Answer» C. Fungicide | |
| 3935. |
Which organisms are useful for the knowledge of biotechnology and genetic engineering ? |
| A. | Animal |
| B. | Plants |
| C. | Micro Organism |
| D. | None of them |
| Answer» D. None of them | |
| 3936. |
Find odd sentences out :- |
| A. | Ethenol is used as a fuel in Brazil. |
| B. | Toddy is prepared from palm tree in north India. |
| C. | Micro organism are useful to prepare enzymes, protienes and steriods. |
| D. | Penicillin is prepared from penicillium notatum. |
| Answer» C. Micro organism are useful to prepare enzymes, protienes and steriods. | |
| 3937. |
Which bacteria gives protection against gestiric injury ? |
| A. | Methenogin |
| B. | Lecto Bacillus |
| C. | Lecto Cocas |
| D. | Lecto Strepto |
| Answer» C. Lecto Cocas | |
| 3938. |
Select the correct option from column - I and column - II (Kerala PMT-2005) |
| A. | (P-3) (Q-4) (R-1) (S-2) |
| B. | (P-1) (Q-2) (R-4) (S-3) |
| C. | (P-3) (Q-2) (R-1) (S-4) |
| D. | (P-3) (Q-4) (R-2) (S-1) |
| Answer» B. (P-1) (Q-2) (R-4) (S-3) | |
| 3939. |
IARI means..... |
| A. | India Agriculture Research Institute |
| B. | International Agrochemical Research Institute |
| C. | Indian Agrochemical Research Institute |
| D. | Indian Agriculture Resource Institute |
| Answer» B. International Agrochemical Research Institute | |
| 3940. |
Which micro-organism are useful in fermantation of dough for the idli and dhosa ? |
| A. | Bacteria |
| B. | Protozua |
| C. | Fungus |
| D. | Virus |
| Answer» B. Protozua | |
| 3941. |
For the synthesis of new protein and protein transport which organelle is related?(AIPMT-2005) |
| A. | Endoplasmic reticulum |
| B. | Chloroplast |
| C. | Mitichondria |
| D. | Lysosome |
| Answer» B. Chloroplast | |
| 3942. |
Select correct statement’s for cell cycle._ans_key_(i) Yeast cell can complete on cell cycle in every 90 minutes_ans_key_(ii) A period between creation of a cell and division of that cell._ans_key_(iii) Cell cycle is mainly divided into interphase and differentiation like two phases. |
| A. | (i) and (ii) only |
| B. | (i) and (iii) only |
| C. | (ii) and (iii) only |
| D. | (i), (ii) and (iii) |
| Answer» B. (i) and (iii) only | |
| 3943. |
Match A and B : |
| A. | (v) (iii) (i) (iv) |
| B. | (i) (ii) (iii) (v) |
| C. | (v) (ii) (i) (iv) |
| D. | (iii) (v) (ii) (i) |
| Answer» D. (iii) (v) (ii) (i) | |
| 3944. |
Angiotensinogen is a protein produced an recreted by.. (AIPMT 2006) |
| A. | Tuxta glomerular (JG) cells |
| B. | Macula densa cells |
| C. | Endothelial cells of blood vessels |
| D. | Liver cells |
| Answer» E. | |
| 3945. |
Match the items in column – I with appropriate items in column – II and pick up correct ans |
| A. | iii ii iv i |
| B. | iii iv ii i |
| C. | iv I iii ii |
| D. | I ii iv iii |
| Answer» B. iii iv ii i | |
| 3946. |
S: protein carry out many functions in living organisms |
| A. | S&A are true but R is false |
| B. | S,A&R are true and R&A are the correct explanation of S |
| C. | S is true but A&R both are false |
| D. | S,A&R are true but R&A are not the correct explanation of S |
| Answer» C. S is true but A&R both are false | |
| 3947. |
Protein synthesis is an animal cell occurs (AIPMT - 2005) |
| A. | only on the ribosomes present in cytosol |
| B. | only on ribosomes attached to the nuclear envelope and endoplasmic reticulum |
| C. | On ribosomes present in the nucleolus as well as in cytoplasm |
| D. | on ribosomes present in cytoplasm as well as in mitochondria |
| Answer» E. | |
| 3948. |
Oxygen haemoglobin dissociation curve will shift to right on decrease of (AMU.1992) |
| A. | Acidity |
| B. | Carbon dioxide concentration |
| C. | Temperature |
| D. | pH |
| Answer» E. | |
| 3949. |
Oxygen carrying capacity of blood is (CPMT.1990) |
| A. | 20% |
| B. | 30% |
| C. | 40% |
| D. | 50% |
| Answer» B. 30% | |
| 3950. |
CO2 is transported (C.B.S.E.1095) |
| A. | dissolved in blood plasma |
| B. | As carbonic acid |
| C. | In carbaminohaemoglobin |
| D. | As carbaminolaemoglobin and carbonic acid |
| Answer» E. | |