MCQOPTIONS
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MCQOPTIONS
This section includes 2103 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 901. |
_________ is any attribute of the organism (morphological, physiological, and behavioural) that enables the organism to survive and reproduce in its habitat. |
| A. | Adaptation |
| B. | Migration |
| C. | Conformation |
| D. | Regulation |
| Answer» B. Migration | |
| 902. |
Name the gland that controls the functioning of other endocrine glands. |
| A. | Pancreas |
| B. | Rineal gland |
| C. | Adrenal gland |
| D. | Pituitary gland |
| Answer» E. | |
| 903. |
Antibiotics are NOT effective on a virus as it lacks _____. |
| A. | cilia |
| B. | plasmid |
| C. | genetic material |
| D. | cell wall |
| Answer» E. | |
| 904. |
Name the tissue that transports food to various parts of a plant. |
| A. | Parenchyma |
| B. | Phloem |
| C. | Sclerenchyma |
| D. | Xylem |
| Answer» C. Sclerenchyma | |
| 905. |
Adult humans generally have ______ molar teeth. |
| A. | 8 |
| B. | 12 |
| C. | 6 |
| D. | 4 |
| Answer» C. 6 | |
| 906. |
_____ protein is compressed and relaxed, causing the muscles to move. |
| A. | Contractile |
| B. | Relaxo |
| C. | Nucleo |
| D. | Lipo |
| Answer» B. Relaxo | |
| 907. |
In some multicellular organism like Rhizopus, mushrooms, and some bacteria, aspergillus etc. reproduction takes place by. |
| A. | Regeneration |
| B. | Fertilisation |
| C. | Fragmentation |
| D. | Spores |
| Answer» E. | |
| 908. |
Name of colour which varies with the wavelength is called: |
| A. | Brightness |
| B. | Saturation |
| C. | Hue |
| D. | Primary colours |
| Answer» D. Primary colours | |
| 909. |
In Paramecium, the food is moved to a specific spot by the movement of ________ which cover the entire surface of the cell. |
| A. | Cilia |
| B. | Villi |
| C. | Pseudopodia |
| D. | Vacuole |
| Answer» B. Villi | |
| 910. |
Halophytes are plants that grow in __________. |
| A. | Fresh Water |
| B. | Cold Water |
| C. | Ponds |
| D. | Salt Water |
| Answer» E. | |
| 911. |
Internal fertilization occurs ______. |
| A. | inside the female body |
| B. | outside the female body |
| C. | inside a male body |
| D. | outside male body |
| Answer» B. outside the female body | |
| 912. |
Measurement of glycosylated haemoglobin (HbA1c) in the blood is useful for the management of ________. |
| A. | Anaemia |
| B. | Hemophilia |
| C. | Diabetes mellitus |
| D. | High blood pressure |
| Answer» D. High blood pressure | |
| 913. |
Gastric juice has a pH of about ________. |
| A. | 1.5 to 3.5 |
| B. | 5 to 6 |
| C. | 6 to 8 |
| D. | 8.5 to 9.5 |
| Answer» B. 5 to 6 | |
| 914. |
Alpha - Keratin is a protein present in ______. |
| A. | Blood |
| B. | Skin |
| C. | Wool |
| D. | Eggs |
| Answer» D. Eggs | |
| 915. |
Human sweat contains |
| A. | Citric acid |
| B. | Ascorbic acid |
| C. | Lactic acid |
| D. | Pyruvic acid |
| Answer» D. Pyruvic acid | |
| 916. |
Mule is a hybrid derived by crossing- |
| A. | Female donkey and a male horse |
| B. | Donkey and zebra |
| C. | Horse and zebra |
| D. | Male donkey and a female horse |
| Answer» E. | |
| 917. |
How many chromosomes are there in a cell of the human body? |
| A. | 46 |
| B. | 45 |
| C. | 43 |
| D. | 44 |
| Answer» B. 45 | |
| 918. |
Cadmium pollution is associated with disease |
| A. | Blood Anaemia |
| B. | Itai-Itai |
| C. | Minamata |
| D. | Pneumoconiosis |
| Answer» C. Minamata | |
| 919. |
Chiropody is a branch of science related to which part of the body? |
| A. | Kidney |
| B. | Feet |
| C. | Lungs |
| D. | Liver |
| Answer» C. Lungs | |
| 920. |
AIDS is caused by - |
| A. | helminth |
| B. | bacteria |
| C. | fungus |
| D. | virus |
| E. | None of the above / More than one of the above |
| Answer» E. None of the above / More than one of the above | |
| 921. |
Histology is the study of ________. |
| A. | Tissues |
| B. | Bones |
| C. | Muscles |
| D. | Coins |
| Answer» B. Bones | |
| 922. |
Depression is a ______ disorder. |
| A. | somatoform |
| B. | dissociative |
| C. | schizophrenic |
| D. | mood |
| Answer» E. | |
| 923. |
How does pollination take place in maize? |
| A. | Self-pollination |
| B. | Pollination by insects |
| C. | Pollination by air |
| D. | Pollination by rain |
| Answer» D. Pollination by rain | |
| 924. |
Photosynthesis in plants takes place in________. |
| A. | Stem |
| B. | Leaves |
| C. | Roots |
| D. | Flower |
| Answer» C. Roots | |
| 925. |
How many types of teeth are there in humans? |
| A. | 4 |
| B. | 5 |
| C. | 2 |
| D. | 3 |
| Answer» B. 5 | |
| 926. |
Children, especially in western countries, who receive very little sunshine, suffer from which disease? |
| A. | Dermatitis |
| B. | Rickets |
| C. | Scurvy |
| D. | Sterility |
| Answer» C. Scurvy | |
| 927. |
Lucerne is a? |
| A. | Stem crop |
| B. | Foliage crop |
| C. | Root crop |
| D. | Fungus |
| E. | Bacteria |
| Answer» C. Root crop | |
| 928. |
Bile is produced by which of the following gland? |
| A. | Liver |
| B. | Kidney |
| C. | Gall bladder |
| D. | Spleen |
| Answer» B. Kidney | |
| 929. |
Early blight is a common disease seen in which of the following? |
| A. | Potato |
| B. | Ginger |
| C. | Cabbage |
| D. | Cauliflower |
| Answer» B. Ginger | |
| 930. |
In the names Mangifera indica (mango), Solanum tuberosum (potato) and Panthera leo (lion), the terms Mangifera, Solanum and Panthera represent the higher level of? |
| A. | Taxon |
| B. | Taxonomic Hierarchy |
| C. | Specific Epithet |
| D. | Binomial Nomenclature |
| Answer» B. Taxonomic Hierarchy | |
| 931. |
'Dwarf male' is found in: |
| A. | Oscillatoria |
| B. | Ectocarpus |
| C. | Polysiphonia |
| D. | Oedogonium |
| Answer» E. | |
| 932. |
Choose the option that is NOT true about vascular system |
| A. | Blood is only white vascular connective tissue |
| B. | The vascular system forms about 7-8% of the body weight |
| C. | There is about 6.8 litres of blood in an adult person |
| D. | Life span of human RBCs is 115-120 days. |
| Answer» B. The vascular system forms about 7-8% of the body weight | |
| 933. |
If _______ is involved, even greater diversity will be generated. |
| A. | Sexual Reproduction |
| B. | Binary Fission |
| C. | Vegetative propagation |
| D. | Asexual Reproduction |
| Answer» B. Binary Fission | |
| 934. |
________ is the largest phylum of Animalia which includes insects. |
| A. | Porifera |
| B. | Annelida |
| C. | Mollusca |
| D. | Arthropoda |
| Answer» E. | |
| 935. |
Pycnoxylic wood is found in |
| A. | Cycas |
| B. | Pinus |
| C. | Banyan tree |
| D. | Shorea robusta |
| Answer» C. Banyan tree | |
| 936. |
Malus domestica is the scientific name for the: |
| A. | mango tree |
| B. | pineapple plant |
| C. | banana tree |
| D. | apple tree |
| Answer» E. | |
| 937. |
Consider the following statements about elephants and tell which of the following statements are true?Elephants do not rest very much, they sleep 2 to 4 hours only in a day.An adult elephant can eat more than 200 kg of leaves and twigs in a day.They love to play with mud and water, the mud keeps their skin cool.In the elephant herd, the oldest female elephant decides everything. |
| A. | A, B and C |
| B. | B, C and D |
| C. | C, D and A |
| D. | A, B and D |
| Answer» D. A, B and D | |
| 938. |
One of the functions mentioned below is not performed by the ‘C’ shaped cartilaginous rings in the trachea. Identify the same. |
| A. | It provides support |
| B. | It helps in the absorption of O2 |
| C. | It allows uninterrupted flow of air |
| D. | It prevents collapse of the trachea |
| E. | None of the Above/ More than one of Above |
| Answer» C. It allows uninterrupted flow of air | |
| 939. |
In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization. |
| A. | organ |
| B. | open |
| C. | closed |
| D. | coelom |
| Answer» B. open | |
| 940. |
A person met with an accident and there is no time to, check his blood group, which of the following blood should be given to him ? |
| A. | O, Rh+ |
| B. | O, Rh- |
| C. | AB, Rh- |
| D. | AB, Rh+ |
| Answer» C. AB, Rh- | |
| 941. |
Asexual reproduction takes place in: |
| A. | Plants |
| B. | Higher animals |
| C. | Lower animals |
| D. | Lower animals and plants |
| Answer» E. | |
| 942. |
According to Neo-Darwinism which one is responsible for evolution of organisms? |
| A. | Mutation |
| B. | Natural selection |
| C. | Both of these |
| D. | None of these |
| Answer» D. None of these | |
| 943. |
In monohybrid cross of Mendel, when a pure tall plant was crossed with a dwarf plant, all the F1 progeny were tall, because of: |
| A. | Co-dominance |
| B. | Dominance |
| C. | Incomplete dominance |
| D. | Epistasis |
| Answer» C. Incomplete dominance | |
| 944. |
Plasma membrane is made up of which organic molecules? |
| A. | Carbohydrates |
| B. | Vitamin |
| C. | Lipids and protein |
| D. | Roughage |
| Answer» D. Roughage | |
| 945. |
In which organ blood is stored? |
| A. | Spleen |
| B. | Liver |
| C. | Kidney |
| D. | Heart |
| Answer» B. Liver | |
| 946. |
Exchange of gases occurs through which part of the plant tissue? |
| A. | Midrib |
| B. | Stomata |
| C. | Phloem |
| D. | Xylem |
| Answer» C. Phloem | |
| 947. |
Polytene chromosome is first observed in |
| A. | Housefly |
| B. | Honeybee |
| C. | Drosophila |
| D. | None of these |
| Answer» E. | |
| 948. |
Pecten is absent in which bird |
| A. | Pigeon |
| B. | Peacock |
| C. | Kiwi |
| D. | Crow |
| Answer» D. Crow | |
| 949. |
Match List-I with List-II and select the correct answer using the code given below the Lists:List-I (Cell Organelle)List-II (Function)A. Mitochondria1.PhotosynthesisB. Chloroplast2. Protein synthesisC. Ribosomes3. IntracellularD. Lysosomes digestion4. ATP formation |
| A. | A - 3, B - 1, C – 2, D - 4 |
| B. | A - 3, B - 2, C - 1, D - 4 |
| C. | A - 4, B - 1, C - 2, D - 3 |
| D. | A - 4, B - 2, C - 1, D - 3 |
| Answer» D. A - 4, B - 2, C - 1, D - 3 | |
| 950. |
In which of the following class are the pulse producing plants kept? |
| A. | Solanaceae |
| B. | Malvaceae |
| C. | Leguminosae |
| D. | Liliaceae |
| Answer» D. Liliaceae | |