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.
| 1451. |
Ozone levels are declining due to excessive use of |
| A. | Fertilizer |
| B. | Petrol |
| C. | Refrigerators |
| D. | Diesel |
| Answer» D. Diesel | |
| 1452. |
From which tree is the malaria drug quinine obtained? |
| A. | Cinchona |
| B. | Banyan |
| C. | Neem |
| D. | Eucalyptus |
| Answer» B. Banyan | |
| 1453. |
Gossypium hirsutum is |
| A. | old world crop and diploid |
| B. | old world crop and tetraploid |
| C. | new world crop and diploid |
| D. | new world crop and tetraploid |
| Answer» E. | |
| 1454. |
Part of a leaf by which it is attached to the stem is called as _________. |
| A. | Joint |
| B. | Point |
| C. | Petiole |
| D. | Lamina |
| Answer» D. Lamina | |
| 1455. |
Chicken Pox is caused by which micro-organism? |
| A. | Bacteria |
| B. | Fungus |
| C. | Protozoa |
| D. | Virus |
| Answer» E. | |
| 1456. |
In which year pulse polio immunization programme was launched in India? |
| A. | 1985 |
| B. | 2005 |
| C. | 1995 |
| D. | 1990 |
| Answer» D. 1990 | |
| 1457. |
One of the most common fungal disease in humans is |
| A. | Cholera |
| B. | Typhoid |
| C. | Plague |
| D. | Ringworm |
| Answer» E. | |
| 1458. |
Bos mutus is the scientific name for: |
| A. | Wild yak |
| B. | Horse |
| C. | Ox |
| D. | Buffalo |
| Answer» B. Horse | |
| 1459. |
Hydra reproduces by ________. |
| A. | Multiple fission |
| B. | Binary fission |
| C. | Fragmentation |
| D. | Budding |
| Answer» E. | |
| 1460. |
“Origin of Species by Natural Selection” was written by: |
| A. | William Harvey |
| B. | Lamark |
| C. | Charles Darwin |
| D. | Wallace |
| Answer» D. Wallace | |
| 1461. |
Mature sclerenchyma cells have _______. |
| A. | cellulose wall and are living |
| B. | lignified wall and is living |
| C. | suberized wall and are dead |
| D. | lignified wall and are dead |
| Answer» E. | |
| 1462. |
Leaves of the nettle plant secrete ______ acid which causes a painful sting on touching. |
| A. | Acetic |
| B. | Ascorbic |
| C. | Oxalic |
| D. | Methanoic |
| Answer» E. | |
| 1463. |
Mammals respire by |
| A. | gills |
| B. | trachea |
| C. | skin |
| D. | lungs |
| Answer» E. | |
| 1464. |
Central nervous system consists of: |
| A. | Brain and spinal cord |
| B. | Heart and lungs |
| C. | Brain and heart |
| D. | Heart and spinal chord |
| Answer» B. Heart and lungs | |
| 1465. |
Producing new crop varieties where two or more plants of unlike genetic constitution are crossed called as - |
| A. | Heterosis |
| B. | Asexual Reproduction |
| C. | Mutation |
| D. | Hybridization |
| Answer» D. Hybridization | |
| 1466. |
Babesia divergens in cattle is transmitted through which of the following? |
| A. | Mosquito |
| B. | House fly |
| C. | Pigs |
| D. | Ticks |
| Answer» E. | |
| 1467. |
According to Whittaker's classification, organisms belonging to the kingdom ________ do not have a well-defined nucleus. |
| A. | Protista |
| B. | Fungi |
| C. | Monera |
| D. | Plantae |
| Answer» D. Plantae | |
| 1468. |
Pollination by birds is called? |
| A. | Entomophily |
| B. | Hydrophily |
| C. | Ornithophily |
| D. | Anemophily |
| Answer» D. Anemophily | |
| 1469. |
Parenchyma containing chloroplasts is referred to as: |
| A. | Collenchyma |
| B. | Sclerenchyma |
| C. | Aerenchyma |
| D. | Chlorenchyma |
| Answer» E. | |
| 1470. |
Gustatory receptors will detect (i)____ while olfactory receptors will detect (ii)____. |
| A. | (i) Taste, (ii) touch |
| B. | (i) touch, (ii) smell |
| C. | (i) Taste, (ii) smell |
| D. | (i) smell, (ii) taste |
| Answer» D. (i) smell, (ii) taste | |
| 1471. |
Frogs lay eggs in water. They hatch out and develop in to a young one called_____ |
| A. | Nymph |
| B. | Tadpole |
| C. | Juvenile |
| D. | Baby frog |
| Answer» C. Juvenile | |
| 1472. |
Centre for heat, touch, cold and pressure are in |
| A. | Frontal lobe |
| B. | Occipital lobe |
| C. | Parietal lobe |
| D. | Frontal as well as occipital lobe both |
| Answer» D. Frontal as well as occipital lobe both | |
| 1473. |
________ is concerned with cell division. |
| A. | Gibberellin |
| B. | Auxins |
| C. | Maleic hydrazide |
| D. | Cytokinin |
| Answer» E. | |
| 1474. |
In which of the following parts of the human digestive system is the digestion of food completed? |
| A. | Small intestine |
| B. | Large intestine |
| C. | Mouth |
| D. | Stomach |
| Answer» B. Large intestine | |
| 1475. |
A snake that is viviparous is |
| A. | the Russell's |
| B. | the pit viper |
| C. | Rattle snake |
| D. | Kraits |
| Answer» C. Rattle snake | |
| 1476. |
Consider the following kinds of organisms:1. Bacteria2. Fungi3. Flowering plantsSome species of which of the above kinds of organisms are employed as biopesticides? |
| A. | 1 only |
| B. | 2 and 3 only |
| C. | 1 and 3 only |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 1477. |
Muscle fatigue occurs due to the accumulation of ________. |
| A. | ATP |
| B. | ADP |
| C. | Lactic Acid |
| D. | Carbonic Acid |
| Answer» D. Carbonic Acid | |
| 1478. |
Haemophobia is the fear of ________. |
| A. | blood |
| B. | water |
| C. | heights |
| D. | darkness |
| Answer» B. water | |
| 1479. |
About 70% of a human body’s energy requirements should be met by ________. |
| A. | Amino acids |
| B. | Fats |
| C. | Lipids |
| D. | Carbohydrates |
| Answer» E. | |
| 1480. |
In the absence of insulin the level of blood sugar : |
| A. | Decreases |
| B. | Increases |
| C. | Remains constant |
| D. | None of these |
| Answer» C. Remains constant | |
| 1481. |
In human systems, vitamins cannot? |
| A. | Help in growth |
| B. | Help in metabolizing drugs |
| C. | Help in digestion |
| D. | Help in blood circulation |
| E. | Supply energy |
| Answer» F. | |
| 1482. |
Oryza sativa is botanical name of which of the following plants? |
| A. | Rice |
| B. | Ragi |
| C. | Wheat |
| D. | Groundnut |
| Answer» B. Ragi | |
| 1483. |
Identify the disease caused by the deficiency of Vitamin B1.A. AriboflavinosisB. Rickets C. BeriberiD. Glossitis |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 1484. |
Human respiration releases________.A. Mixture of gasesB. Carbon monozideC. OxygenD. Carbon dioxide |
| A. | B |
| B. | D |
| C. | C |
| D. | A |
| Answer» C. C | |
| 1485. |
Linnaeus published his concept of binomial nomenclature first in |
| A. | Systema Nature |
| B. | Species Plantarum |
| C. | Genera Plantarum |
| D. | Philosophia Botanica |
| Answer» C. Genera Plantarum | |
| 1486. |
Identify the animal on the basis of features listed below:A. Long back boneB. Many musclesC. Body curves into many loops for moving forward |
| A. | Snake |
| B. | Earthworm |
| C. | Snail |
| D. | Hook worm |
| Answer» B. Earthworm | |
| 1487. |
Polyuria, Polydipsia, Polyphagia are the symptoms of which of the following disease? |
| A. | Goitre |
| B. | Acromegaly |
| C. | Dwarfism |
| D. | Diabetes Mellitus |
| Answer» E. | |
| 1488. |
Mycorrhizae are: |
| A. | Nitrogen fixing bacteria |
| B. | Nitrogen fixing protozoa |
| C. | Carbon fixing bacteria |
| D. | Nitrogen fixing fungi |
| Answer» E. | |
| 1489. |
_________ is/are the hardest tissue(s) in the human body. |
| A. | Epidermis |
| B. | Skeletal muscles |
| C. | Tooth enamel |
| D. | Cartilage |
| Answer» D. Cartilage | |
| 1490. |
Asexual reproduction takes place through budding in: |
| A. | Planaria |
| B. | Hydra |
| C. | Amoeba |
| D. | Spirogyra |
| Answer» C. Amoeba | |
| 1491. |
In our body Ligaments connect _____________. |
| A. | Muscle to Muscle |
| B. | Muscle to Bone |
| C. | Muscle to Skin |
| D. | Bone to Bone |
| Answer» E. | |
| 1492. |
_______ has naked seeds. |
| A. | Pines |
| B. | Lemon |
| C. | Carrot |
| D. | Wheat |
| Answer» B. Lemon | |
| 1493. |
On the earth's surface, reducing atmosphere changed into an oxidizing atmosphere with the release of oxygen took place at this moment due to the? |
| A. | Evolution of oxygenic photoautotrophs |
| B. | Evolution of anoxygenic photoautotrophs |
| C. | Evolution of chemo photoautotrophs |
| D. | Evolution of anaerobic heterotrophs |
| Answer» B. Evolution of anoxygenic photoautotrophs | |
| 1494. |
Double helical model of DNA molecule was proposed by ________. |
| A. | Khorana |
| B. | Watson and Crick |
| C. | Morgan |
| D. | Nirenberg |
| Answer» C. Morgan | |
| 1495. |
In which state did the Union Ministry of Health declare 22 cases of Zika virus in the year 2018? |
| A. | Tamil Nadu |
| B. | Kerala |
| C. | Rajasthan |
| D. | Sikkim |
| Answer» D. Sikkim | |
| 1496. |
Iron in haemoglobin exists as ______. |
| A. | Un-ionized iron atom |
| B. | Ferric ions only |
| C. | Ferrous ions only |
| D. | Ferric or ferrous ions depending upon the oxygenated state |
| Answer» C. Ferrous ions only | |
| 1497. |
Between what colours does a Colourblind person have difficulty in distinguishing? |
| A. | Blue and Green |
| B. | Black and Green |
| C. | Black and Blue |
| D. | Green and Red |
| Answer» E. | |
| 1498. |
______ mutation is NOT hereditary. |
| A. | Deletion |
| B. | Insertion |
| C. | Somatic |
| D. | Duplication |
| Answer» D. Duplication | |
| 1499. |
Nettle plants which grow in the wild protect themselves using: |
| A. | hair |
| B. | thorns |
| C. | smell |
| D. | Spray |
| Answer» B. thorns | |
| 1500. |
In a plant cell, ribosome is the site of ________. |
| A. | lipid synthesis |
| B. | chlorophyll synthesis |
| C. | carbohydrate synthesis |
| D. | protein synthesis |
| Answer» E. | |