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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.
| 451. |
Asafoetida is obtained from |
| A. | Exudation from the stem |
| B. | Extraction from roots |
| C. | Extraction from fruits |
| D. | Extraction from leaves |
| Answer» C. Extraction from fruits | |
| 452. |
Bladder worm is a larva of |
| A. | Obelia |
| B. | Silkmoth |
| C. | Taenia |
| D. | Nereis |
| Answer» D. Nereis | |
| 453. |
___________ is the richest source of Vitamin-B. |
| A. | Biscuits |
| B. | Pulses |
| C. | Cereals |
| D. | Apple |
| Answer» D. Apple | |
| 454. |
Choose an animal which possesses an open circulatory system. |
| A. | Rabbit |
| B. | Cockroach |
| C. | Lion |
| D. | Whale |
| Answer» C. Lion | |
| 455. |
'GMO' is - |
| A. | Genetically Mutant Organism |
| B. | Genetically Modern Organism |
| C. | Genetically Modified Organism |
| D. | Genetically Mixed Organism |
| Answer» D. Genetically Mixed Organism | |
| 456. |
Match the Plant structures given in Column - A with functions given in Column - B.Column AColumn BI. Stomata1. Absorption of waterII. Xylem2. TranspirationIII. Root hairs3. Transport of foodIV. Phloem4. Transport of water 5. Synthesis of CarbohydratesSelect the answer code. |
| A. | I - 2, II - 4, III - 1, IV - 3 |
| B. | I - 1, II - 4, III - 3, IV - 2 |
| C. | I - 1, II - 4, III - 2, IV - 3 |
| D. | I - 5, II - 3, III - 1, IV - 2 |
| Answer» B. I - 1, II - 4, III - 3, IV - 2 | |
| 457. |
As per the text ‘Charaka Samhita’ how many bones are there in a human body? |
| A. | 206 |
| B. | 360 |
| C. | 370 |
| D. | 208 |
| Answer» C. 370 | |
| 458. |
Hydrochloric acid is secreted in which part of our digestive system? |
| A. | Mouth |
| B. | Stomach |
| C. | Liver |
| D. | Small intestine |
| Answer» C. Liver | |
| 459. |
Pellagra is caused through the deficiency of ________. |
| A. | Ascorbic acid |
| B. | Niacin |
| C. | Riboflavin |
| D. | Folic acid |
| Answer» C. Riboflavin | |
| 460. |
First aid for strains, sprains and contusions is packaged in the abbreviation RICE, which stands for Rest, Icing, compression and ________. |
| A. | Elevation |
| B. | Explain |
| C. | Expand |
| D. | Expert |
| Answer» B. Explain | |
| 461. |
Mushroom is a/an |
| A. | Fungus |
| B. | Animal |
| C. | Slime mould |
| D. | Plant |
| Answer» B. Animal | |
| 462. |
Bicuspid valve is found in |
| A. | the left side of heart |
| B. | the right side of heart |
| C. | both sides of heart |
| D. | all the arteries of heart |
| Answer» B. the right side of heart | |
| 463. |
If a father is Rh positive and mother Rh negative, the mother is given _________ immediately after her first delivery. |
| A. | Rh antigen |
| B. | RhoGAM antibodies |
| C. | Protease |
| D. | A mixture of all of the given |
| Answer» C. Protease | |
| 464. |
In Which plant structure a negative pressure potential is abserved? |
| A. | Root xylem |
| B. | Stem xylem |
| C. | Leaf xylem |
| D. | Root pith |
| Answer» B. Stem xylem | |
| 465. |
Biological catalysts are protein molecules which1. speed up a chemical reaction.2. remain unchanged after the reaction.3. function optimally at 37°C.4. do not have enzymatic activity.Select the correct answer using the code given below. |
| A. | 1 only |
| B. | 1, 2 and 3 |
| C. | 2 and 3 only |
| D. | 1, 3 and 4 |
| Answer» C. 2 and 3 only | |
| 466. |
Gossypium belongs to family |
| A. | Solanaceae |
| B. | Malvaceae |
| C. | Asteraceae |
| D. | None of these |
| Answer» C. Asteraceae | |
| 467. |
Migration of cancerous cells from the site of origin to other parts of the body forming secondary tumours is called : |
| A. | Diapedesis |
| B. | Metastasis |
| C. | Proliferation |
| D. | None of the above |
| Answer» C. Proliferation | |
| 468. |
Malaria can be cured by administering - |
| A. | Streptomycin |
| B. | Quinine |
| C. | Paracetamol |
| D. | Penicillin |
| Answer» C. Paracetamol | |
| 469. |
_________ will prescribe tests to pinpoint _______ on the basis of symptoms |
| A. | Surgeons, allergy |
| B. | Physicians, disease |
| C. | ENT specialists, problem |
| D. | Gynaecologists, discomfort |
| Answer» C. ENT specialists, problem | |
| 470. |
In stems, the protoxylem lies towards the centre and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called _________. |
| A. | Xylem fibres |
| B. | Xylem parenchyma |
| C. | Exarch |
| D. | Endarch |
| Answer» E. | |
| 471. |
In birds, sound is produced by ________. |
| A. | Air sacs |
| B. | Trachea |
| C. | Larynx |
| D. | Syrinx |
| Answer» E. | |
| 472. |
Plasmolysis in a plant cell is defined as the__________. |
| A. | break down of plasma membrane in hypotonic medium |
| B. | shrinkage of nucleoplasm |
| C. | shrinkage of cytoplasm in hypertonic medium |
| D. | none of the above |
| Answer» D. none of the above | |
| 473. |
Mesothelioma is a malignant tumor that is caused by1. Cadmium2. Arsenic3. Asbestos4. LeadSelect the correct answer using the code given below: |
| A. | Only 2 |
| B. | Only 1 and 4 |
| C. | Only 2 and 3 |
| D. | Only 3 |
| Answer» E. | |
| 474. |
In which of the following organs of human body are carbohydrates stored as glycogen? |
| A. | Stomach |
| B. | Liver |
| C. | Large intestine |
| D. | Small intestine |
| Answer» C. Large intestine | |
| 475. |
How many molecules of ATP are obtained by the anaerobic respiration of one molecule of glucose? |
| A. | 38 |
| B. | 2 |
| C. | 4 |
| D. | 36 |
| Answer» C. 4 | |
| 476. |
Edible part of banana is- |
| A. | Pericarp |
| B. | Epicarp |
| C. | Endocarp and mesocarp |
| D. | Epicarp and mesocarp |
| Answer» D. Epicarp and mesocarp | |
| 477. |
If one set of chromosomes for a given plant is represented as N; in case of double fertilization, the zygote and the endosperm nucleus of a diploid plant would have how many sets of chromosomes respectively? |
| A. | N and 2 N |
| B. | 2 N and 2 N |
| C. | N and 3 N |
| D. | 2 N and 3 N |
| Answer» E. | |
| 478. |
10% of the bases in a DNA molecule are guanine. What could be the % of Thymine in that sample? |
| A. | 40% |
| B. | 80% |
| C. | 20% |
| D. | 10% |
| Answer» B. 80% | |
| 479. |
HIV is passed from one person to another except which one of the following ways: |
| A. | Mosquito bite |
| B. | Breast Feeding |
| C. | Sharing Needles |
| D. | Sexual Contact |
| Answer» B. Breast Feeding | |
| 480. |
Normal haemoglobin content of an adult man is ________. |
| A. | 5 gm/100 ml of blood |
| B. | 7 gm/100 ml of blood |
| C. | 14.5 gm/100 ml of blood |
| D. | 18.5 gm/100 ml of blood |
| Answer» D. 18.5 gm/100 ml of blood | |
| 481. |
Match the following:List - IList – IIA. Goitre1. Vitamin ‘A’B. Hemophilia2. Yellowing of eyesC. Jaundice3. Vitamin ‘K’D. Night blindness4. Iodine deficiency |
| A. | A-1, B-2, C-3, D-4 |
| B. | A-4, B-3, C-1, D-2 |
| C. | A-3, B-4, C-2, D-1 |
| D. | A-4, B-3, C-2, D-1 |
| Answer» E. | |
| 482. |
About how much blood is there in the circulatory system of an average person? |
| A. | 7 liters |
| B. | 2 liters |
| C. | 5 liters |
| D. | 13 liters |
| Answer» D. 13 liters | |
| 483. |
In 1956, Minamata disease was caused by which type of pollution? |
| A. | Air pollution |
| B. | Water pollution |
| C. | Noise pollution |
| D. | Soil pollution |
| Answer» C. Noise pollution | |
| 484. |
In the nephron of man, what is the correct sequence of urine formation? |
| A. | Selective reasorption, tubular secretion and ultrafiltration |
| B. | Ultrafiltration, tubular secretion and selective reabsorption |
| C. | Ultrafiltration, selective reabsorption and tubular secretion |
| D. | Tubular secretion, selective reabsorption and ultrafiltration |
| Answer» D. Tubular secretion, selective reabsorption and ultrafiltration | |
| 485. |
Ascaris a kind of worm lives in which part of the human body? |
| A. | Small intestine |
| B. | Large intestine |
| C. | Kidneys |
| D. | Liver |
| Answer» B. Large intestine | |
| 486. |
Fossilization is also known by the name |
| A. | Acclimatization |
| B. | Pasteurization |
| C. | Preservation |
| D. | Tyndallization |
| Answer» D. Tyndallization | |
| 487. |
Octopuses have ______ heart(s). |
| A. | one |
| B. | three |
| C. | four |
| D. | two |
| Answer» C. four | |
| 488. |
Open type blood vascular system is found in |
| A. | Earthworm |
| B. | Lizard |
| C. | Cockroach |
| D. | Toad |
| Answer» D. Toad | |
| 489. |
In bees, 'waggle' dance is meant for |
| A. | Reproduction |
| B. | Communication |
| C. | Visiting the source of food |
| D. | Killing foreign beings |
| Answer» D. Killing foreign beings | |
| 490. |
In sexual reproduction a parent contributes: |
| A. | Half of their chromosomes |
| B. | Three-fourth of their chromosomes |
| C. | All the chromosomes |
| D. | One-fourth of their chromosomes |
| Answer» B. Three-fourth of their chromosomes | |
| 491. |
All muscles which are attached to bones are |
| A. | Unstriped muscles |
| B. | Unstriped and striped muscles |
| C. | Cardiac muscles |
| D. | Only Striped muscles |
| Answer» E. | |
| 492. |
In which stage of meiosis does synapsis take place? |
| A. | Leptotene |
| B. | Pachytene |
| C. | Zygotene |
| D. | Metaphase I |
| Answer» D. Metaphase I | |
| 493. |
Pulse beat is measured from- |
| A. | Capillary |
| B. | Nerve |
| C. | Artery |
| D. | Vein |
| Answer» D. Vein | |
| 494. |
Directions: The following items consist of two statements, Statement I and Statement II. You are to examine these two statements carefully and select the answers to these items using the code given below:Statement I: Growth of plants is smooth with a complete fertilizer.Statement II: A complete fertilizer always contains N, P, K. |
| A. | Both the statements are individually true and Statement II is the correct explanation of statement I |
| B. | Both the statements are individually true but Statement II is not the correct explanation of Statement I |
| C. | Statement I is true but Statement II is false |
| D. | Statement I is false but Statement II is true |
| Answer» C. Statement I is true but Statement II is false | |
| 495. |
If cells are kept in some solution and the net result is that the cell swells up, then the solution is ______. |
| A. | hypertonic solution |
| B. | isotonic solution |
| C. | hypotonic solution |
| D. | acidic solution |
| Answer» D. acidic solution | |
| 496. |
A pure red flower bearing plant is crossed with a pure white flower and the F1 plant bears pink flowers. This is an example of |
| A. | Pseudo dominance |
| B. | Dominance |
| C. | Epistasis |
| D. | Co-dominance |
| Answer» B. Dominance | |
| 497. |
Neoteny is observed in |
| A. | Ambystoma |
| B. | Alytes |
| C. | Sycon |
| D. | Sacculina |
| Answer» B. Alytes | |
| 498. |
Most common nitrogen fixing cyanobacterium of paddy field is |
| A. | Cylindrospermum |
| B. | Aulosira |
| C. | Oscillatoria |
| D. | Nostoc |
| Answer» C. Oscillatoria | |
| 499. |
Persea Americana is commonly known as _______. |
| A. | Avocado |
| B. | Watermelon |
| C. | Orange |
| D. | Grapes |
| Answer» B. Watermelon | |
| 500. |
In human muscle, breakdown of glucose in absence of oxygen crates which chemical compound? |
| A. | Lactic acid |
| B. | Methanol |
| C. | Carbon di Oxide |
| D. | Ethanol |
| Answer» B. Methanol | |