MCQOPTIONS
Saved Bookmarks
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.
| 11101. |
Read the assertion and reason carefully: Assertion : Maize is an albuminous seed. Reason : Endosperm is completely absorbed by its growing embryo. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» D. If both the assertion and reason are false | |
| 11102. |
What is meant by the term "Karalam'' |
| A. | Land of coconut |
| B. | Land of areca nuts |
| C. | Land of pea nuts |
| D. | None of the above |
| Answer» B. Land of areca nuts | |
| 11103. |
Ampulla of Lorenzini in fishes is a |
| A. | Thermoreceptor |
| B. | Rheoreceptor |
| C. | Phonoreceptor |
| D. | Photoreceptor |
| Answer» B. Rheoreceptor | |
| 11104. |
Neoceratodus is found is |
| A. | England |
| B. | South America |
| C. | Australia |
| D. | Africa |
| Answer» D. Africa | |
| 11105. |
Assertion : Botany deals with the study of plants and zoology deals with the study of animals. Reason: : Biology is the study of living beings. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 11106. |
Carrot is micropropagate through [Haryana PMT 2005] |
| A. | Embryo |
| B. | Embryoids |
| C. | Shoot culture |
| D. | Callus |
| Answer» E. | |
| 11107. |
The fertilized egg divides by the process of [DPMT 1982] |
| A. | Regeneration |
| B. | Oogenesis |
| C. | Cleavage |
| D. | Invagination |
| Answer» D. Invagination | |
| 11108. |
The current consumption on domestic fire wood in India is about [CBSE PMT 1990] |
| A. | 18.6 million tonnes |
| B. | 146.5 million tonnes |
| C. | 1246 million tonnes |
| D. | 21870 million tonnes |
| Answer» C. 1246 million tonnes | |
| 11109. |
The structure present over chromosome is [BHU 1987] |
| A. | Nucleolus |
| B. | Centromere |
| C. | Centrochrome |
| D. | Golgi bodies |
| Answer» C. Centrochrome | |
| 11110. |
Weight of protein is [Bihar 2005] |
| A. | > 12000 |
| B. | < 6000 |
| C. | < 12000 |
| D. | 600 - 3000 |
| Answer» B. < 6000 | |
| 11111. |
Which one is not an example for hydrolases [Kerala PMT 2004] |
| A. | Dehydrogenase |
| B. | Protease |
| C. | Amylase |
| D. | Esterase (e) Sucrase |
| Answer» B. Protease | |
| 11112. |
Photosynthetic bacteria have pigments in [CBSE PMT 1999] |
| A. | Leucoplasts |
| B. | Chloroplasts |
| C. | Chromoplasts |
| D. | Chromatophore |
| Answer» E. | |
| 11113. |
Immobilised enzymes are generally used for bioreactors in [AIIMS 2001] |
| A. | Batch process |
| B. | Digestive process |
| C. | Activation process |
| D. | Continuous process |
| Answer» E. | |
| 11114. |
To which of the following category dinosaurs belong [HP PMT 2005] |
| A. | Reptiles |
| B. | Amphibians |
| C. | Mammals |
| D. | Birds |
| Answer» B. Amphibians | |
| 11115. |
Chiasmata formation occurs during [CPMT 1981, 89, 91, 2004; MP PMT 1984, 87, 94, 2002, 03] |
| A. | Diplotene |
| B. | Leptotene |
| C. | Pachytene |
| D. | Diakinesis |
| Answer» B. Leptotene | |
| 11116. |
The meiotic process by which homologous chromosomes are paired during prophase I is called [Pune CET 1998] |
| A. | Interkinesis |
| B. | Crossing over |
| C. | Chiasma |
| D. | Synapsis |
| Answer» E. | |
| 11117. |
In the cell digestive enzymes are mostly in [CPMT 1983] |
| A. | Lysosome |
| B. | Cell wall |
| C. | Ribosome |
| D. | Chromosomes |
| Answer» B. Cell wall | |
| 11118. |
The species inhabiting different geographical areas are [CPMT 1973; BHU 1985] |
| A. | Allopatric |
| B. | Sympatric |
| C. | Morphospecies |
| D. | Sibling species |
| Answer» B. Sympatric | |
| 11119. |
If there were 4 chromosomes present during prophase, how many chromosomes are there in each cell at the end of anaphase II [Pune CET 1998] |
| A. | 16 |
| B. | 4 |
| C. | 2 |
| D. | 8 |
| Answer» D. 8 | |
| 11120. |
Sucrose, a common table sugar, is composed of [Orissa JEE 2004] |
| A. | Glucose + fructose |
| B. | Glucose + galactose |
| C. | Fructose + galactose |
| D. | None of these |
| Answer» B. Glucose + galactose | |
| 11121. |
In which part of the body "Pollen basket'' is found in the honey bee [MP PMT 1995] |
| A. | Prothoracic leg |
| B. | Mesothoracic leg |
| C. | Metathoracic leg |
| D. | At union of thorax and abdomen |
| Answer» D. At union of thorax and abdomen | |
| 11122. |
Read the assertion and reason carefully: Assertion : Root pockets are similar in all terms to root caps. Reason : Root caps and root pocket have the ability to regenerate. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» E. If the assertion is false but reason is true | |
| 11123. |
Assertion : 'Chain-saw movement' is found in mollusca. Reason : 'Chain saw movement' helps in feeding or ingestion of food. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 11124. |
Read the assertion and reason carefully: Assertion : Angiosperms form endosperm after fertilization and is diploid. Reason : In gymnosperms, endosperm is formed before fertilization and is haploid. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» F. | |
| 11125. |
Classification of reptilia is based on |
| A. | Scales |
| B. | Type of brain |
| C. | Vaccuties |
| D. | None of these |
| Answer» D. None of these | |
| 11126. |
Which of the following is a plant hormone |
| A. | Dormin |
| B. | Formalin |
| C. | Acetylene |
| D. | All the above |
| Answer» B. Formalin | |
| 11127. |
Kew, London is famous for [Wardha 2001] |
| A. | Being the largest biological reserve |
| B. | Herbarium |
| C. | Being the largest botanical garden |
| D. | Diverse flora and fauna |
| Answer» C. Being the largest botanical garden | |
| 11128. |
Peroxisomes are found in [Orissa JEE 2005] |
| A. | Bundle sheath |
| B. | Endospem |
| C. | Mesophyll cells |
| D. | Vascular bundle |
| Answer» C. Mesophyll cells | |
| 11129. |
A high concentration of synthetic auxin is generally used for [DPMT 1985] |
| A. | Control of cell enlargement |
| B. | Weed control |
| C. | Prevention of the growth of lateral buds |
| D. | Enhancing root initiation |
| Answer» C. Prevention of the growth of lateral buds | |
| 11130. |
Moderate rainfall during summer [AIIMS 1998] |
| A. | Desert |
| B. | Grasslands |
| C. | Scrub forests |
| D. | Deciduous forests |
| Answer» E. | |
| 11131. |
Cockroach egg is called as [RPMT 2000; BVP 2004] |
| A. | Microlecithal |
| B. | Macrolecithal |
| C. | Isolecithal |
| D. | Centrolecithal |
| Answer» E. | |
| 11132. |
Non biological nitrogen fixation is |
| A. | Electrochemical |
| B. | Photochemical |
| C. | Both a and b |
| D. | None of these |
| Answer» D. None of these | |
| 11133. |
The new strain of bacteria produced by biotechnology in alcohol industry is [MP PMT 1998] |
| A. | Escherichia coli |
| B. | Saccharomyces cerevisiae |
| C. | Bacillus subtilis |
| D. | Pseudomonas putida |
| Answer» D. Pseudomonas putida | |
| 11134. |
Phragmoplast is precursor of [MP PMT 1994; MHCET 2001; Orissa JEE 2004] |
| A. | Cell plate |
| B. | Chloroplast |
| C. | Chromoplast |
| D. | Colourless plastid |
| Answer» B. Chloroplast | |
| 11135. |
The most highly advanced character in crocodile (reptilia) is the presence of [CPMT 1973; CMC Vellore 1993] |
| A. | Powerful jaws |
| B. | Shelled eggs |
| C. | Thecodont dentition |
| D. | Four chambered heart |
| Answer» E. | |
| 11136. |
Global water cycle involves |
| A. | Forest trees |
| B. | Algae |
| C. | Microorganisms |
| D. | Evaporation of water from water bodies |
| Answer» E. | |
| 11137. |
Read the assertion and reason carefully: Assertion : Thorn like structure present in Pothos and Acanthorhiza are root modifications. Reason : Thorns have endogenous origin. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion | |
| 11138. |
Camels breed in |
| A. | Summer |
| B. | Winter |
| C. | Rainy season |
| D. | Night |
| Answer» C. Rainy season | |
| 11139. |
When did famous ?Bhopal Disaster' occured in India |
| A. | 1956 |
| B. | 1984 |
| C. | 1980 |
| D. | 1986 |
| Answer» C. 1980 | |
| 11140. |
The largest bryophyte is |
| A. | Funaria (Moss) |
| B. | Marchantia |
| C. | Megaceros |
| D. | Dowsonia |
| Answer» E. | |
| 11141. |
Raphides are needle-like crystals of calcium oxalate which are specially common in |
| A. | Asparagus |
| B. | Dahlia |
| C. | Balsam |
| D. | Rose |
| Answer» D. Rose | |
| 11142. |
Assertion : Enamel is present only in vertebrate teeth. Reason : Enamel is secreted by the ectoderm. |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» F. | |
| 11143. |
Assertion : Cartilage (protein matrix) and bone (calcium matrix) are rigid connective tissue. Reason : Blood is connective tissue in which plasma is the matrix. [AIIMS 2001] |
| A. | If both the assertion and the reason are true and the reason is a correct explanation of the assertion |
| B. | If both the assertion and reason are true but the reason is not a correct explanation of the assertion |
| C. | If the assertion is true but the reason is false |
| D. | If both the assertion and reason are false |
| E. | If the assertion is false but reason is true |
| Answer» C. If the assertion is true but the reason is false | |
| 11144. |
Anaerobic respiration was first of all reported by [NCERT 1978; AFMC 1988] |
| A. | Maguenne |
| B. | Kostychev |
| C. | Klein |
| D. | Pfeffer |
| Answer» C. Klein | |
| 11145. |
The force responsible for the terminalization at the time of cell division is |
| A. | Chemostatic |
| B. | Galvanostatic |
| C. | Electrostatic |
| D. | None of the above |
| Answer» D. None of the above | |
| 11146. |
Terminalization occurs in which stage [AFMC 1995] |
| A. | Pachytene |
| B. | Diplotene |
| C. | Zygotene |
| D. | Diakinesis |
| Answer» E. | |
| 11147. |
Most important alga in research centres is [CPMT 1996] |
| A. | Mycoplasma |
| B. | Spirogyra |
| C. | Chlorella |
| D. | Blue-green algae |
| Answer» D. Blue-green algae | |
| 11148. |
Which one of the following are mainly concerned with the spindle fibre formation |
| A. | Sphaerosomes |
| B. | Microtubules |
| C. | Golgi bodies |
| D. | Endoplasmic reticulum |
| Answer» C. Golgi bodies | |
| 11149. |
The hormone involved in metabolism of food material in cereal grain during germination, is [BVP 2004] |
| A. | Auxin |
| B. | Cytokinin |
| C. | Gibberellin acid |
| D. | None of these |
| Answer» B. Cytokinin | |
| 11150. |
Eggs of reptiles and birds are [NCERT 1982; KCET 1994; BHU 1995; CPMT 2000] |
| A. | Alecithal |
| B. | Isolecithal |
| C. | Telolecithal |
| D. | Homolecithal |
| Answer» D. Homolecithal | |