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.
| 1051. |
The division of it forms in to 16 daughter cells..called.... |
| A. | Blasto cell |
| B. | Blastomeres |
| C. | Morula |
| D. | (a) and (b) both |
| Answer» C. Morula | |
| 1052. |
Which of the following statement regarding to Amylase is not correct? |
| A. | Unbranched polysaccharide chains made up of glucose units. |
| B. | Amylase occur in the constitution of glycogen. |
| C. | Amylase occur in more amount in starch. |
| D. | None of these. |
| Answer» C. Amylase occur in more amount in starch. | |
| 1053. |
Which of the following statement regarding to properties of starch is not correct? |
| A. | Present of amylose and amylopectin chains. |
| B. | Stored food in plants. |
| C. | Soluble in water. |
| D. | Not sweet. |
| Answer» D. Not sweet. | |
| 1054. |
In the formation of triglyceride, glycerol get linked with any Fatty acids by… |
| A. | –NH2 |
| B. | –COOH |
| C. | –CHO |
| D. | >C=O |
| Answer» C. –CHO | |
| 1055. |
Match the items in column-I with items in column-II and the correct answer. |
| A. | P iv Q iii R i S ii |
| B. | P iv Q i R iii S ii |
| C. | P iii Q iv R i S ii |
| D. | P iv Q i R ii S iii |
| Answer» B. P iv Q i R iii S ii | |
| 1056. |
Which of the following statement regarding the Fatty acid is not correct? |
| A. | Unsaturated fatty acids are two successive carbon atoms at certain places therein are linked by a double bond. |
| B. | Saturated fatty acids are capable of accepting hydrogen or halogen atoms. |
| C. | Butyric acid and palmitic acids are Saturated fatty acids |
| D. | Crotonic acid and oleic acid are Unsaturated fatty acids. |
| Answer» C. Butyric acid and palmitic acids are Saturated fatty acids | |
| 1057. |
Find out the wrongly matched pair[Kerala PMT 010] |
| A. | Primary metabolite - Ribose. |
| B. | Secondary metabolite - Insulin. |
| C. | Protein - Insulin. |
| D. | Cellulose - Heteropolymer. |
| Answer» E. | |
| 1058. |
Which the folowing pair regarding to biological importance of carbohydrates is not correctly matched? |
| A. | CelluloseForms the plant cell wall. |
| B. | Glycogen Reserve food in animals. |
| C. | Ribose sugarStructural components of ATP. |
| D. | GalactoseThe most widely used in respiration. |
| Answer» E. | |
| 1059. |
Which of the following statement regarding to Lipid is not correct? |
| A. | Lipids are of three types i Simple ii Complex iii Steroids |
| B. | The lipids are a heterogenous group of compounds related to Fatty acids. |
| C. | Lipids are the important constituents of the diet because of their high energy value. |
| D. | Lipids are formed of C, H and O atoms, The number of H atom is less than ahat of O. |
| Answer» E. | |
| 1060. |
In a polysaccharide, the individual monosaccharides are linked by a...... [AMU( Med)2011, Kerala PMT 2011] |
| A. | Glycosidic bond |
| B. | Peptide bond |
| C. | Ester bond |
| D. | Phosphodiester bond |
| Answer» B. Peptide bond | |
| 1061. |
Find out the correct combination …. [GSEB 2011] |
| A. | Only ii, iii and iv |
| B. | Only I, ii and iii |
| C. | Only I and iii |
| D. | Only ii, iii and v |
| Answer» E. | |
| 1062. |
Chitin is a…… [WB JEE 2010] |
| A. | Polysaccharide |
| B. | Nitrogenous polysaccharide |
| C. | Lipoprotein |
| D. | Protein |
| Answer» C. Lipoprotein | |
| 1063. |
Which of the following option is not correctly for this molecule? |
| A. | It is Keto hexoses sugar. |
| B. | Hydrolysis of a molecule of maltose |
| C. | It can pass through the cell membarane |
| D. | Found in the juice of fruits. |
| Answer» C. It can pass through the cell membarane | |
| 1064. |
Lipids are relatively insoluble in…. |
| A. | Chloroform |
| B. | Water |
| C. | Benzene |
| D. | Ether. |
| Answer» C. Benzene | |
| 1065. |
Which is the correct pair for edible part? (C.B.S.E.2001) |
| A. | Tomato - Thalamu |
| B. | Maize – Cotyledons |
| C. | Guava - Mesocarp |
| D. | Date palm- Pericarp |
| Answer» C. Guava - Mesocarp | |
| 1066. |
- C - OH |
| A. | Palmitic acid |
| B. | Stearic acid |
| C. | Glycerol |
| D. | Galactose |
| Answer» B. Stearic acid | |
| 1067. |
Which group is for common fresh water fishes. |
| A. | Rohu, mrigal, catia |
| B. | Catla, rohu, mackerel |
| C. | Mrigal, mackerel, pomfrets |
| D. | Major carp, hilsa, sardin |
| Answer» B. Catla, rohu, mackerel | |
| 1068. |
How many mangroves species are founds in marine bio diversity of India? |
| A. | 45 |
| B. | 341 |
| C. | 54 |
| D. | 431 |
| Answer» B. 341 | |
| 1069. |
Which number is correct for Indentfied popular species ? (PUMET 2010) |
| A. | 1.1 to 1.1 million |
| B. | 0.5 to 1.0 million |
| C. | 2.5 to 3.0 million |
| D. | 1.7 to 1.8 million |
| Answer» E. | |
| 1070. |
What is the edible part in coconut? |
| A. | Entire seed |
| B. | Fruit wall |
| C. | Endosperm |
| D. | None of the above |
| Answer» D. None of the above | |
| 1071. |
The correct match for edible part of fruit is: (AIPMT,CBSE 2001) |
| A. | Guava – pericarp with thalamus |
| B. | Tomato – thalamus |
| C. | Maize – cotyledon |
| D. | Date palm – epicarp |
| Answer» B. Tomato – thalamus | |
| 1072. |
Match the terms in columns – I with suitable terms in column – II : |
| A. | P iv Q i R iii S ii |
| B. | P iv Q iii R i S ii |
| C. | P iii Q iv R ii S i |
| D. | P iii Q iii R i S ii |
| Answer» E. | |
| 1073. |
Which pair contains maximum diversity and endemic species in India ? (AIIMS -2008) |
| A. | Sunderban and runn of Kutch |
| B. | Eastern Ghat and West Bangal |
| C. | East Himalaya and Western Ghat |
| D. | Kerala and Punjab |
| Answer» D. Kerala and Punjab | |
| 1074. |
What is indicated by ‘x’ and ‘y’ in given figure ? |
| A. | x = 3 lac species of plant y = 40,000 species of vertebrates |
| B. | x = 8,00,000 species of insects y = 3,00,000 species of plants |
| C. | x = 8,00,000 species of insects y = 3,00,000 species of plant |
| D. | x = 3,00,000 species of plant y = 8,00,000 species of insects |
| Answer» E. | |
| 1075. |
Which region is shown ‘y’ indicated zone above figure ? |
| A. | core zone |
| B. | Transition zone |
| C. | buffer zone |
| D. | Internal Area |
| Answer» D. Internal Area | |
| 1076. |
Match the terms in column-I with suitable terms in column-II |
| A. | P i Q iii R ii S iv |
| B. | P iv Q iii R ii S i |
| C. | P iii Q i R iv S ii |
| D. | P i Q iii R ii S iv |
| Answer» D. P i Q iii R ii S iv | |
| 1077. |
How many plant species are there in India ? (DPMT 2008) |
| A. | 40,000 |
| B. | 80,000 |
| C. | 58,000 |
| D. | 45,500 |
| Answer» E. | |
| 1078. |
Which is the modern concept of conservation ? |
| A. | Biosphere reserve |
| B. | sanctuary |
| C. | National park |
| D. | Protected forest |
| Answer» B. sanctuary | |
| 1079. |
Which option is correct for the ‘z’ in given figure. |
| A. | There is no disturbance |
| B. | Different activities are perform for conservation |
| C. | Indicated zone is buffer. |
| D. | All the given |
| Answer» C. Indicated zone is buffer. | |
| 1080. |
In India, which example has maximum varieties ? |
| A. | Wheat |
| B. | Rice |
| C. | Mango |
| D. | Tea |
| Answer» D. Tea | |
| 1081. |
In India different types of mangoes species are example of ….. (AIIMS 2005/2008) |
| A. | species diversity |
| B. | Genetic diversity |
| C. | Induced mutation |
| D. | Breeding |
| Answer» C. Induced mutation | |
| 1082. |
Which one is correct option for the given figure? |
| A. | Nalsarovar |
| B. | Thol sarovar |
| C. | Narayan sarovar |
| D. | Sultanpur sarovar |
| Answer» D. Sultanpur sarovar | |
| 1083. |
What is important of gene diversity ? (HP PMT 2006) |
| A. | Maintenance of specie |
| B. | speciation |
| C. | Research of genetic code |
| D. | Maintenance and research of spices |
| Answer» C. Research of genetic code | |
| 1084. |
Which pair of structures distinguishes a nerve cell from other cells. |
| A. | Vacuole and fibre |
| B. | Nucleus and mitochondria |
| C. | Perikaryon and dendrites |
| D. | Flagellum and medullary sheath |
| Answer» D. Flagellum and medullary sheath | |
| 1085. |
IUCN means …................... (DUMET 2010) |
| A. | International union for conservation of nature and natural resources |
| B. | Indian union for conservation of nature and natural resources |
| C. | International union for conservation of nature and nutrients resources |
| D. | Indian Union chemical nomenclature |
| Answer» B. Indian union for conservation of nature and natural resources | |
| 1086. |
One of the following is electron donor to P680 during light reactions of photosynthesis. |
| A. | NADPH |
| B. | Phytochrome |
| C. | Chiorophyll |
| D. | Water |
| Answer» E. | |
| 1087. |
Which of the following pair is improper ? |
| A. | A-band, I- band – Striated muscle |
| B. | A-band, I- band Intercalated disc – Striated muscle |
| C. | H- line – Nonstriated muscle |
| D. | Z- line – Striated muscle |
| Answer» D. Z- line – Striated muscle | |
| 1088. |
Non-cycle photosphorylation is the main photochemical reaction in green plants because |
| A. | it produces assimilatory power and oxygen |
| B. | it initiates photolysis of water of productions of oxygen |
| C. | it utilizes more energy for oxygen production. |
| D. | there is no other cycle available. |
| Answer» B. it initiates photolysis of water of productions of oxygen | |
| 1089. |
The fixation and reduction of CO2 occur in preence of |
| A. | ATP |
| B. | ATP and NADPH |
| C. | NADPH, chlorophyll and water |
| D. | ATP, NADPH and light |
| Answer» C. NADPH, chlorophyll and water | |
| 1090. |
Photorespiration and photosynthesis both require |
| A. | Organic fuel |
| B. | chlorophyll |
| C. | cytochromes |
| D. | energy |
| Answer» D. energy | |
| 1091. |
Site of reduction of carbon is |
| A. | lamellae |
| B. | thylakoid |
| C. | grana |
| D. | stroma |
| Answer» E. | |
| 1092. |
Photolysis of each water molecule in light reaction will yield |
| A. | 2 electrons and 4 proton |
| B. | 4 electrons and 4 protons |
| C. | 4 electrons and 2 protons |
| D. | 2 electrons and 2 protons |
| Answer» E. | |
| 1093. |
Stomata of CAM plants |
| A. | are always open |
| B. | open during the day and close at right. |
| C. | open during the night and close during the day. |
| D. | never open |
| Answer» D. never open | |
| 1094. |
In an experiment demonstrating the evolution of oxygen in Hydrilla, Sodium bicarbonate is added to water in the experimental set-up. What would happen if all other conditions are favourable ? |
| A. | Amount of oxygen evolved decreases as carbon dioxide in water is absorbed by sodium bicarbonate. |
| B. | Amount of oxygen evolved increases as the avilability of carbon dioxide increases |
| C. | Amount of oxygen evolved decreases as the avilability of carbon dioxide increases |
| D. | Amount of oxygen evolved increases as carbon dioxide in water is absorbed by sodium bicarbonate |
| Answer» E. | |
| 1095. |
The process of ATP formation from ADP in the presence of light in chloroplast is called |
| A. | phosphorylation |
| B. | autophosphorylation |
| C. | photophosphorylation |
| D. | chemophosphorylation |
| Answer» D. chemophosphorylation | |
| 1096. |
Chlorophyll molecules absorb light energy of wavelength |
| A. | 300-400 nm |
| B. | 400-500 nm |
| C. | 600-800 nm |
| D. | 400-500 nm and 600-700 nm |
| Answer» B. 400-500 nm | |
| 1097. |
Choose the correct combinations of labelling the carbohydrate molecule involved in the Calvin cycle. |
| A. | A – RuBP, B – Triose phosphate C– PGA |
| B. | A – PGA, B – RuBP, C Triose phosphate |
| C. | A – RuBP, B – Triose phosphate, C – PGAL |
| D. | A – RuBP, B – PGAL, C – Triose phosphate |
| Answer» E. | |
| 1098. |
The Calvin cycle proceeds in three stages |
| A. | 3-1-2 |
| B. | 3-2-1 |
| C. | 1-2-3 |
| D. | 2-1-3 |
| Answer» B. 3-2-1 | |
| 1099. |
A. Under conditions of high light intensity and limited CO2 supply, photorespiration has a useful role in protecting the plants from photo-oxidative damage.R. If enough CO2 is not available to utilize light energy for carboxylation to proceed, the excess energy may not cause damage to plants. |
| A. | If Assertion (A) and reason (R) both are correct and R is explanation to A. |
| B. | If (A) and (R) both are correct but (R) is not an explanation to A. |
| C. | If A is true but R is false. |
| D. | If both A and R are false. |
| Answer» E. | |
| 1100. |
In C4 plants, the primary CO2 acceptor is |
| A. | 3 - PGA |
| B. | Oxalo acetic acid |
| C. | RuBP |
| D. | PEP |
| Answer» E. | |