MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 9901. |
In alcohol fermentation [CBSE PMT 2003] |
| A. | Oxygen is the electron acceptor |
| B. | Triose phosphate is the electron donor while acetaldehyde is the electron acceptor |
| C. | Triose phosphate is the electron donor while pyruvic acid is the electron acceptor |
| D. | There is no electron donor |
| Answer» C. Triose phosphate is the electron donor while pyruvic acid is the electron acceptor | |
| 9902. |
The photosynthetic pigments viz, erythrolable, chlorolable and cyanolable respectively are [JIPMER 2001] |
| A. | Green, Red, Blue |
| B. | Red, Blue, Green |
| C. | Red, Green, Blue |
| D. | Blue, Green, Red |
| Answer» D. Blue, Green, Red | |
| 9903. |
A pitcher plant without lid |
| A. | Sarracenia |
| B. | Dischidia |
| C. | Dixidia |
| D. | None of these |
| Answer» C. Dixidia | |
| 9904. |
The gametophytic generation in pteridophytes is commonly called [KCET 1999; AIIMS 1999] |
| A. | Thallus |
| B. | Plant body |
| C. | Prothallus |
| D. | Protonema |
| Answer» D. Protonema | |
| 9905. |
Heterothallism was discovered in [BVP 2002] |
| A. | Mucor |
| B. | Aspergillus |
| C. | Agaricus |
| D. | Albugo |
| Answer» B. Aspergillus | |
| 9906. |
Histological differentiation is absent in [CPMT 1980] |
| A. | Amoeba |
| B. | Hydra |
| C. | Cockroach |
| D. | Earthworm |
| Answer» B. Hydra | |
| 9907. |
Polymorphonuclear leucocytes are [CBSE PMT 1993] |
| A. | Monocytes |
| B. | Lymphocytes |
| C. | Granulocytes |
| D. | Agranulocytes |
| Answer» D. Agranulocytes | |
| 9908. |
Which one of the following is genetically improved bacteria for pollution control [CPMT 1998] |
| A. | Pseudomonas |
| B. | Rhizobium |
| C. | Nitrobacter |
| D. | Nitrosomonas |
| Answer» B. Rhizobium | |
| 9909. |
Number of lobes in right and left lungs of rat are |
| A. | One, three |
| B. | Three, one |
| C. | Two, three |
| D. | Three, two |
| Answer» C. Two, three | |
| 9910. |
In 1980, F. Sanger was awarded Nobel prize second time to be shared by Gilbert and Maxum for their work on [BHU 1989] |
| A. | Genetic mapping of chromosomes |
| B. | Determining amino acid sequence of insulin |
| C. | Determining base sequence of DNA of virus |
| D. | Determining the structure of DNA |
| Answer» D. Determining the structure of DNA | |
| 9911. |
Peking man (Homo erectus pekinensis) was |
| A. | 1.2 to 1.5 metres tall |
| B. | 1.65 to 1.75 metres tall |
| C. | 1.55 to 1.65 metres tall |
| D. | None of the above |
| Answer» D. None of the above | |
| 9912. |
Time interval between the appearance of two successive leaves or pairs of leaves is termed |
| A. | Hypsophyll |
| B. | Plastochron |
| C. | Cataphylls |
| D. | Brachyblast |
| Answer» C. Cataphylls | |
| 9913. |
The R.Q. (Respiratory quotient) of\[{{C}_{39}}{{H}_{72}}{{O}_{6}}\]is [CPMT 1992] |
| A. | 2.71 |
| B. | 1.34 |
| C. | 0.72 |
| D. | 3.25 |
| Answer» D. 3.25 | |
| 9914. |
In photosynthesis, photolysis of water is used in [CPMT 1998] |
| A. | Reduction of NADP |
| B. | Oxidation of NADP |
| C. | Oxidation of FAD |
| D. | None of these |
| Answer» B. Oxidation of NADP | |
| 9915. |
Aldrovanda is |
| A. | Fly catcher plant |
| B. | Water flea trap |
| C. | Devil's foot |
| D. | None of these |
| Answer» C. Devil's foot | |
| 9916. |
Weberian ossicles are found in [AIIMS 1999] |
| A. | Frogs |
| B. | Snakes |
| C. | Fishes |
| D. | Birds |
| Answer» D. Birds | |
| 9917. |
In Funaria the leaves which surround the antheridial cluster are called |
| A. | Perichaetial leaves |
| B. | Foliage leaves |
| C. | Scale leaves |
| D. | Perigonial leaves |
| Answer» E. | |
| 9918. |
Fungi growing on rotten wood are called |
| A. | Bracket fungi |
| B. | Coral fungi |
| C. | Puffballs |
| D. | Toadstools |
| Answer» B. Coral fungi | |
| 9919. |
People recovering from long illness, are advised to include alga Spirulina in their diet because it [AIIMS 2003] |
| A. | Has antibiotic properties |
| B. | Restores intestinal flora |
| C. | Is rich in proteins |
| D. | Makes the food easy to digest |
| Answer» D. Makes the food easy to digest | |
| 9920. |
Bacillus thuriginensis is a good |
| A. | Biofertilizer |
| B. | Biopesticide |
| C. | Biofuel |
| D. | Single cell protein |
| Answer» C. Biofuel | |
| 9921. |
The main function of tendon is [MP PMT 1999] |
| A. | To join two bones |
| B. | To join two muscles |
| C. | To join muscles and bones |
| D. | To join muscles and nerves |
| Answer» D. To join muscles and nerves | |
| 9922. |
There is no gall bladder in |
| A. | Rat |
| B. | Horse |
| C. | Whale |
| D. | All of these |
| Answer» E. | |
| 9923. |
Polytene chromosomes in salivary glands of Drosophila are formed as a result of [Kerala PMT 2004] |
| A. | Endoduplication |
| B. | Duplication without separation |
| C. | Replication of DNA without cell division |
| D. | All the above |
| Answer» E. | |
| 9924. |
Fossils of which man were found in late pleistocene deposits in France, Java and South Africa |
| A. | Homo habilis |
| B. | Homo erectus |
| C. | Java man |
| D. | Homo sapiens |
| Answer» E. | |
| 9925. |
When ATP molecule is hydrolysed in ADP, then the quantity of energy released is about [AMU 1991; MP PMT 1991] |
| A. | 120 cal |
| B. | 1, 200 cal |
| C. | 12,000 cal |
| D. | 1,20,000 cal |
| Answer» D. 1,20,000 cal | |
| 9926. |
When the two pigment systems absorb light, in what direction does the energy flow between them |
| A. | PS-I ® PS-II |
| B. | PS-II ® PS-I |
| C. | PS-II ¹ PS-I |
| D. | None of the above |
| Answer» C. PS-II ¹ PS-I | |
| 9927. |
The smallest angiospermic/dicot parasite is [MP PMT 1990; JIPMER 1997] |
| A. | Arceuthobium |
| B. | Wolffia |
| C. | Cassytha |
| D. | Rafflesia |
| Answer» B. Wolffia | |
| 9928. |
The male cone of Pinus is formed of [MP PMT 1994; CPMT 2000; KCET 2000] |
| A. | Anthers |
| B. | Megasporophylls |
| C. | Ligules |
| D. | Microsporophylls |
| Answer» E. | |
| 9929. |
A student has identified a triploblastic coelomate segmented animal as an arthropod. Which additional character the student should have varified before identifying that animal as an arthropod [AIIMS 1983] |
| A. | Presence of wings |
| B. | Presence of antenna |
| C. | Type of coelom |
| D. | Type of symmetry |
| Answer» C. Type of coelom | |
| 9930. |
'Torula condition' occurs in [MP PMT 2001] |
| A. | Rhizopus |
| B. | Ulothrix |
| C. | Spirogyra |
| D. | Riccia |
| Answer» B. Ulothrix | |
| 9931. |
Amoeba moves when [RPMT 2002] |
| A. | Upper part of plasma-gel changes to plasmasol |
| B. | Lower part of plasmasol changes into gel |
| C. | Upper part of plasmasol changes into plasmagel |
| D. | All the above |
| Answer» D. All the above | |
| 9932. |
Fresh meat is putrefied by |
| A. | Clostridium |
| B. | Pseudomonas |
| C. | Proteus |
| D. | All the above |
| Answer» D. All the above | |
| 9933. |
Pits of Howship are present in |
| A. | Nervous tissue |
| B. | Striated muscle fibres |
| C. | Long bones |
| D. | Fibrocartilage |
| Answer» D. Fibrocartilage | |
| 9934. |
On feeding habit, rat can be termed |
| A. | Carnivorous |
| B. | Herbivorous |
| C. | Omnivorous |
| D. | Insectivorous |
| Answer» D. Insectivorous | |
| 9935. |
How many genome types are present in a typical green plants cell [CBSE PMT 1998] |
| A. | Two |
| B. | Three |
| C. | More than five |
| D. | More than ten |
| Answer» B. Three | |
| 9936. |
Low and slopping fore head, skull with thick bones, deep lower jaw and absence of chin were present in |
| A. | Java man |
| B. | Neanderthal man |
| C. | Cro-Magnon man |
| D. | Homo habilis |
| Answer» C. Cro-Magnon man | |
| 9937. |
A mature angiosperm that bears only one leaf is |
| A. | Welwitschia |
| B. | Monophyllea |
| C. | Rafflesia |
| D. | Betula |
| Answer» C. Rafflesia | |
| 9938. |
In the process of respiration in plants 180 gms of sugar plus 192 gms of oxygen produce [CPMT 1984; DPMT 1986] |
| A. | Large amount of\[C{{O}_{2}}\], no water and no energy |
| B. | 132 gms of\[C{{O}_{2}}\], 54 gms of water and 337 kcals of energy |
| C. | 264 gms of\[C{{O}_{2}}\], 108 gms of water and 674 kcals of energy |
| D. | 528 gms of \[C{{O}_{2}}\], 216 gms of water and 1348 kcals of energy |
| Answer» D. 528 gms of \[C{{O}_{2}}\], 216 gms of water and 1348 kcals of energy | |
| 9939. |
Chlorophyll 'a' molecule at its carbon atom 3 of the pyrrole ring II has one of the following [CBSE PMT 1996, 97] |
| A. | Aldehyde group |
| B. | Methyl group |
| C. | Carboxylic group |
| D. | Magnesium |
| Answer» C. Carboxylic group | |
| 9940. |
Fertility of the soil in rice fields can be improved by [MP PMT 1992] |
| A. | Gypsum |
| B. | Sodium chloride |
| C. | Blue-green algae |
| D. | Rhizobium |
| Answer» D. Rhizobium | |
| 9941. |
Enzymes have a very narrow optima for |
| A. | Light |
| B. | Temperature |
| C. | pH |
| D. | Humidity |
| Answer» D. Humidity | |
| 9942. |
Blood glands of Pheretima take part in [APMEE 2001] |
| A. | Formation of red blood corpuscles |
| B. | Formation of phagocytes |
| C. | Maintenance of blood volume |
| D. | Maintenance of blood circulation |
| Answer» C. Maintenance of blood volume | |
| 9943. |
Trabeculae in Selaginella stem represent [MP PMT 1993, 2000] |
| A. | Modified pericycle cells |
| B. | Modified endodermal cells |
| C. | Modified inner cortical cells |
| D. | Modified phloem cells |
| Answer» C. Modified inner cortical cells | |
| 9944. |
Ringworm of the scalp is caused by |
| A. | Microsporum |
| B. | Aspergillus |
| C. | Penicillium |
| D. | Alternaria |
| Answer» B. Aspergillus | |
| 9945. |
Microfossile often present in petroleum producing formation are those of [AMU 2001] |
| A. | Radiolarians |
| B. | Diatoms |
| C. | Helizoans |
| D. | Foraminiferans |
| Answer» E. | |
| 9946. |
Which of the following bacterium converts the sucrose into dextrin |
| A. | Bacillus megatherium |
| B. | Leuconostoc mesenteroides |
| C. | Clostridium botulinum |
| D. | None of the above |
| Answer» C. Clostridium botulinum | |
| 9947. |
Cardiac muscle fibres are [NCERT 1981; CPMT 1984; AIIMS 2000] |
| A. | Striated involuntary |
| B. | Striated voluntary |
| C. | Non-striated involuntary |
| D. | Non-striated voluntary |
| Answer» B. Striated voluntary | |
| 9948. |
Chromosomal number in a cell of a flowering plant is [CPMT 1993] |
| A. | Only haploid |
| B. | Only diploid |
| C. | Many types |
| D. | None of these |
| Answer» D. None of these | |
| 9949. |
Presence of ochreate stipules is a characteristic feature of the family [MP PMT 1986] |
| A. | Liliaceae |
| B. | Solanaceae |
| C. | Polygonaceae |
| D. | Moraceae |
| Answer» D. Moraceae | |
| 9950. |
Which of the following product of Hill's reaction are used in Blackman's reaction [AMU 1989] |
| A. | NAD, ATP |
| B. | \[ATP,NAD{{H}_{2}}\] |
| C. | \[ATP,NADP{{H}_{2}}\] |
| D. | ADP, NAD |
| Answer» D. ADP, NAD | |