570+ General Science Solved MCQs

Chapters

Chapter: Biology
401.

Which of the following statements is NOT true regarding the Vitamin C?

A. Only Vitamin C is to be taken externally, all others are produced in the human body.
B. Vitamin C is the only vitamin which is also a hormone.
C. Scurvy is caused by the deficiency of Vitamin C
D. Vitamin C is a water-soluble vitamin.
Answer» B. Vitamin C is the only vitamin which is also a hormone.
402.

Which of the following tests is used for the diagnosis of ‗Colour-Blindness‘ in people ?

A. Ishihara Test
B. Widal Test
C. ELISA test
D. Rorschach test
Answer» A. Ishihara Test
403.

Which of the following artificial sweeteners is not broken down by the body and therefore it is non-caloric (no-calorie sweetener) :

A. Aspartame
B. Saccharin
C. Sucralose
D. Cyclamate
Answer» C. Sucralose
404.

The Science of using mechanical devices with human muscle skeleton and nervous systems to assist or enhance motor control lost by trauma, disease or defect is called:

A. Gerontechnology
B. Biomechatronics
C. Orthotics
D. Bionics
Answer» B. Biomechatronics
405.

Consider the following:
Waste products
HormonesIons
Circulation of blood is responsible for transport of which among the above in our bodies?

A. Only 1
B. 1 & 2
C. 2 & 3
D. 1, 2 & 3
Answer» D. 1, 2 & 3
406.

Which among the following is not among Micronutrients required for plants?

A. Molybdenum
B. Magnesium
C. Manganese
D. Zinc
Answer» B. Magnesium
407.

Why do the bacteria develop resistance after slowly being exposed to a particular antibiotic?
Due to mutation in genes
Due to Horizontal Gene Transfer
Due to Vertical Gene Transfer
Choose the correct option:

A. Only 1
B. Only 1 & 2
C. Only 2 & 3
D. 1, 2 & 3
Answer» B. Only 1 & 2
408.

If a person wants to increase the level of good Cholesterol in his / her body, which among the following you would advise?
1. Increase the use of trans fatty acids in diet
2. Stop smoking
3. Consumption of omega-3 fatty acids
Choose the correct option:

A. 1, 2 & 3
B. Only 1 & 3
C. Only 2 & 3
D. Only 3
Answer» C. Only 2 & 3
409.

How does calcium carbide ripen mangoes?

A. It reacts with moisture and releases Ethylene
B. It reacts with moisture and releases Acetaldehyde, which in turn releases ethylene
C. It reacts with starch and releases Acetylene
D. It reacts with moisture and releases Ethyne
Answer» A. It reacts with moisture and releases Ethylene
410.

Which among the following is the edible part in Rice?

A. Fruit
B. Cotyledons
C. Endosperm
D. Embryo
Answer» C. Endosperm
411.

Late Hargobind Khorana had received Nobel Prize in physiology in 1968, for work on which among the following?

A. Mechanisms of the action of hormones
B. Chemical Structure of antibodies
C. Interpretation of the genetic code
D. Structural and functional organization of the cell
Answer» C. Interpretation of the genetic code
412.

A person with ―Bombay Blood group‖ can receive blood from a person who is from____?

A. A Group or B Group
B. AB Group
C. O Group
D. None of them
Answer» D. None of them
413.

What is the average life of the Red Blood corpuscles?

A. 100-120 days
B. 120-140 days
C. 80-95 days
D. 70-85 days
Answer» A. 100-120 days
414.

Daps one‖ immunotherapy is related to which among the following diseases?

A. AIDS
B. Tuberculosis
C. Leprosy
D. Malaria
Answer» C. Leprosy
415.

What is PRINT (Particle Replication in Non-wetting Templates) Technology ?

A. It‘s a technology related to genetic engineering and refers to duplication of the DNA codes
B. It‘s a technology related to climate change and refers to a new technique of combating air pollution
C. It‘s a new technology related to synthesis of artificial blood
D. None of them
Answer» C. It‘s a new technology related to synthesis of artificial blood
416.

The vaccine of which of the following diseases was not included in the Expanded Programme on Immunization (EPI) initiated by the Government of India in 1978?

A. Polio
B. Diphtheria
C. Measles
D. Tuberculosis
Answer» C. Measles
417.

The term Cyberknife is most closely associated with which among the following?

A. Magnetic Resonance
B. Cancer Surgery
C. Software Security
D. Remote sensing
Answer» B. Cancer Surgery
418.

Deposition of which among the following in the joints, causing inflammation is reason of Gout, one of the forms of arthritis?

A. Lactic Acid
B. Oxalic Acid
C. Acetic Acid
D. Uric Acid
Answer» D. Uric Acid
419.

The phenomenon in which seeds germinate and seedlings grow while still attached to their mother plant before dropping down to establish themselves or be transported elsewhere, is most commonly found in which among the following plants?

A. Allium cepa
B. Rhizophora
C. Solanum tuberosum
D. Solanum melongena
Answer» B. Rhizophora
420.

The hormonal activities of which of the following substances were discovered while studying ―foolish seedling‖ disease in rice?

A. Cytokinins
B. Ethylene
C. Auxins
D. Gibberellin
Answer» D. Gibberellin
421.

The useful part of Zingiber officinale is ____?

A. Roots
B. Rhizome
C. Leaves
D. fruits
Answer» B. Rhizome
422.

Beta-Keratin is found in which among the following in abundance?

A. Fishes
B. Reptiles
C. Mammalians
D. Amphibians
Answer» B. Reptiles
423.

Antipyretic medicines are used for which among the following purposes?

A. In fever
B. In Diarrhea
C. In Cough
D. In Allergy
Answer» A. In fever
424.

A health problem which is characterized by inability of the bone marrow to produce the red blood cells is placed in which among the following groups?

A. Anuria
B. Aplastic Anemia
C. Pernicious Anemia
D. Aplasia
Answer» B. Aplastic Anemia
425.

In context with the connective tissues, which among the following connect join Bones to Bones?

A. Ligaments
B. Tendons
C. Reticular fibers
D. Raphe
Answer» A. Ligaments
426.

Brachytherapy is commonly used as an effective treatment for cervical, prostate, breast, and skin cancer in many parts of the world. Why Brachytherapy is an offshoot of which among the following forms of Cancer Treatment?

A. Radiotherapy
B. Chemotherapy
C. Surgery
D. None of them,
Answer» A. Radiotherapy
427.

From the point of view of evolution of living organisms, which of the following set of animals is a correct sequence of evolution?

A. Whale, Kangaroo, Echidna
B. Echidna, Whale, Kangaroo
C. Kangaroo, Whale, Echidna
D. Echidna, Kangaroo, Whale
Answer» D. Echidna, Kangaroo, Whale
428.

Which among the following live tissues of the Human Eye does not have blood vessels?

A. Sclera
B. Cornea
C. Choroid
D. Iris
Answer» B. Cornea
429.

Which among the following is involved in the Research on Desert Flora and Fauna?

A. CAZRI
B. SIPRI
C. AFRI
D. CRIJ
Answer» A. CAZRI
430.

The Indian Pipe Plant or Monotrapa can be best placed in which among the following groups?

A. Parasite
B. Saprophyte
C. Insectivorous
D. Lithophyte
Answer» B. Saprophyte
431.

The monocarpic plants produce flowers only ________?

A. Once in a year
B. Once in a season
C. Once in lifetime
D. One flower per plant
Answer» C. Once in lifetime
432.

Which among the following is the correct meaning of Phyllotaxy?

A. Classification of plants as per the leaves structure
B. The manner of arrangement of leaves in stem or branch
C. The manner the leaves fall from the branches
D. The anatomy of leaves in angiosperms
Answer» B. The manner of arrangement of leaves in stem or branch
433.

In which of the following insects, a pigment called luciferin is found?

A. Housefly
B. Firefly
C. Sandfly
D. Fruitfly
Answer» B. Firefly
434.

A plant belonging to which of the following groups would show least adaptation to marine water?

A. Pteridophytes
B. Gymnosperms
C. Angiosperms
D. Bryophytes
Answer» C. Angiosperms
435.

A treatment with which among the following plant hormones would prevent water loss from the plant leaves, by reducing transpiration, in times of low water availability?

A. Ethylene
B. Abscisic Acid
C. Gibberelic Acid
D. Auxin
Answer» B. Abscisic Acid
436.

A tablet of which among the following Vitamins should be advised to be used after purification of water by Iodine as a disinfectant?

A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Answer» C. Vitamin C
437.

Who among the following scientists is known for devising four criteria designed to establish a causal relationship between a causative microbe and a disease?

A. Louis Pasteur
B. Emil Behring
C. Ivan Pavlov
D. Robet Koch
Answer» D. Robet Koch
438.

A combination of several medicines called SHREZ is used in the treatment of which among the following diseases?

A. HIV/ AIDS
B. Diphtheria
C. Tuberculosis
D. Malaria
Answer» C. Tuberculosis
439.

The most popular Zero Calorie sugar substitutes in the market are made up of Sucralose, as an artificial sweetner. Why sucralose does not have calories?

A. Because the Sucralose is 600 times more sweet than Sucrose (Natural Sugar) and thus its low quantity gives same taste but zero calories when it is digested in the body.
B. Because the chemical composition of Sucralose is such that its oxidation gives less calories in body compared to the Sucrose.
C. Because Sucralose is not a Carbohydrate
D. Because Sucralose is not digested in the body
Answer» D. Because Sucralose is not digested in the body
440.

As per the WHO definition, within how many days of the termination of pregnancy, the death of a woman is counted in the Maternal Mortality?

A. 36 Days
B. 42 Days
C. 56 Days
D. 60 Days
Answer» B. 42 Days
441.

Consider the following statements:
1. For some diseases like Malaria and Denue, techniques of Population suppression of Vectors is favored over the disease resistance techniques
2. RIDL is a Population suppression technique.
Which among the above statements is / are correct?

A. Only 1 is correct
B. Only 2 is correct
C. Both 1 & 2 are correct
D. Neither 1 nor 2 is correct
Answer» C. Both 1 & 2 are correct
442.

Which among the following have been found to produce a protein called Defensin-1, which has been found potential to develop drugs for antibiotic resistant bacteria?

A. Codfish
B. Cuttle Fish
C. Honey bee
D. Domestic Fly
Answer» C. Honey bee
443.

The Gram Positive Bacteria can be identified by the Gram staining because of the following reasons?

A. The cell walls have more lipids compared to peptidoglycan
B. The Cells walls have more Peptidoglycan compared to Lipids
C. The Cells membrane has more fatty acids
D. The plasma has Peptidoglycans
Answer» B. The Cells walls have more Peptidoglycan compared to Lipids
444.

The Bovine spongiform encephalopathy (BSE) is commonly known as _______?

A. Foot & Mouth Disease
B. Mad Cow Disease
C. Fog fever
D. Creutzfeldt-Jakob disease
Answer» B. Mad Cow Disease
445.

Consider the following statements about Archaeopteryx:
1. Archaeopteryx was the earliest and most primitive bird known, when it was found in Germany in late 19th century
2. The discovery of Archaeopteryx put an end to the debate that Birds originated from Dinosaurs or the archosaurian reptiles.
Which among the above statements is / are correct?

A. Only 1 is correct
B. Only 2 is correct
C. Both 1 & 2 are correct
D. Neither 1 nor 2 are correct
Answer» A. Only 1 is correct
446.

The natural Pacemaker in the Human Heart is located in the SA node which is present in which among the following chambers?

A. Right Auricle
B. Left Auricle
C. Right Ventricle
D. Left Ventricle
Answer» A. Right Auricle
447.

Consider the following statements regarding the GMO (Genetically Modified Organisms) and LMO (Living Modified Organism):
GMO are essentially dead , while the LMO are alive and can grow
GMO are patentable, while LMO are not patentable
GMO are modified using Genetic Engineering, while LMO are modified by other technologies.
Which among the above statements is / are correct?

A. Only 1 & 2 are correct
B. Only 2 & 3 are correct
C. All are correct
D. None of them is correct
Answer» D. None of them is correct
448.

Overdose of antibiotics will cause the suppression of synthesis of which among the following vitamins in human body?

A. Vitamin A
B. Calciferol
C. Vitamin K
D. Biotin
Answer» D. Biotin
449.

Who among the following first synthesized ―gene‖ in a laboratory ?

A. Arthur kornberg
B. Hargobind Khorana
C. Gregor Mendel
D. Watson and crick
Answer» B. Hargobind Khorana
450.

Which among the following is correct definition of Bacteriophage?

A. A Bacteria that destroys Virus
B. A Virus that destroys Bacteria
C. A Bacteria that destroys another bacteria
D. A Bacteria that destroys Fungi
Answer» B. A Virus that destroys Bacteria
451.

A particular cell organelle is sometimes referred certain enzymes that can break down the cell components or even the whole cell. which one of the following is such an organelle ?

A. Lysosome
B. Mesosome
C. Phagosome
D. Ribosome
Answer» A. Lysosome
452.

The disorder ―Pityriasis simplex capillitii ‖ is most commonly known as which among the following?

A. Tulip fingers
B. Dandruff
C. Baldness
D. Eczema
Answer» B. Dandruff
453.

What is the number of the Chromosomes affected by Turner syndrome?

A. 44
B. 45
C. 46
D. 47
Answer» B. 45
454.

Ornithophily refers to the pollination through which among the following?

A. Wind
B. Insects
C. Birds
D. Water
Answer» C. Birds
455.

The insect ―Apis mellifera‖ is commonly known as which among the following?

A. Sand Fly
B. Domestic Fly
C. Honey Bee
D. Spider
Answer» C. Honey Bee
456.

Which among the following element in the human body / organ makes the main basis of working of the MRI (Magnetic resonance imaging)?

A. Nitrogen
B. Hydrogen
C. Calcium
D. Sodium
Answer» B. Hydrogen
457.

The term ―Halitosis‖ denotes which among the following?

A. Bad hearing
B. bad breathe
C. Baldness
D. Excessive Sweating
Answer» B. bad breathe
458.

The term ―Gypsophils‖ is associated with the people who have liking for which among the following?

A. Vultures
B. Eagles
C. Hawks
D. Falcons
Answer» A. Vultures
459.

Bubo bubo is the scientific name of which of the following species?

A. Hen
B. Peacock
C. Eagle
D. Owl
Answer» D. Owl
460.

Which among the following Vitamin is added to the milk in some countries as it is lost during the process of Fat Removal (Skimming)?

A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Answer» A. Vitamin A
461.

Consider the following statements:
1. All kinds of Color Blindness are result of Genetic disorders
2. All kinds of Night Blindness are result of malnutrition
Which among the above statements is / are correct?

A. Only 1 is correct
B. Only 2 is correct
C. Both 1 & 2 are correct
D. Neither 1 nor 2 are correct
Answer» D. Neither 1 nor 2 are correct
462.

Which among the following diseases is very rare in women compared to the men affected with the same disorder?

A. Osteoporosis
B. Color blindness
C. Nyctalopia
D. Down Syndrome
Answer» B. Color blindness
463.

Which among the following disease has the minimum incubation period, comparing to other ones?

A. Small Pox
B. Influenza
C. Measles
D. Mumps
Answer» B. Influenza
464.

Deficiency of Vitamin D leads to lack of absorption of which of the following minerals?

A. Iodine
B. Phosphorus
C. Calcium
D. Iron
Answer» C. Calcium
465.

Which among the following indicates Vitamin B12?

A. Niacin
B. Pyridoxine
C. Cobalamine
D. Thiamine
Answer» C. Cobalamine
466.

Hodophobia is the fear of which of the following?

A. Sleeping
B. Travel
C. Drugs
D. Cattle
Answer» B. Travel
467.

―Pratham‖ the first animal born in 1990 by the IVF (In vitro Fertilization) at the National Dairy Research Institute, Karnal was a ________ ?

A. Cow
B. Buffalo
C. Sheep
D. Goat
Answer» B. Buffalo
468.

Genetic Modification (GM) technique RIDL was in news. RIDL is being developed for combating which of the following disease?

A. Swine Flu
B. Malaria
C. Cancer
D. AIDS
Answer» B. Malaria
469.

Which among the following acid is NOT a Vitamin ?

A. Folic Acid
B. Oleic Acid
C. Pantothenic Acid
D. Ascorbic Acid
Answer» B. Oleic Acid
470.

Which among the following is found in a Bacteriophage?

A. only RNA
B. only DNA
C. Both RNA & DNA
D. Either RNA or DNA
Answer» D. Either RNA or DNA
471.

The correct group of animals that suffer from the ―Foot & Mouth ‖ disease is as follows:

A. Only Cattle
B. Cattle & Sheeps
C. Cattle and Pigs
D. Cattle, Sheeps and Pigs
Answer» D. Cattle, Sheeps and Pigs
472.

Turmeric belongs to from which one of the following family of plants?

A. Radish
B. Ginger
C. Onion
D. Clove
Answer» B. Ginger
473.

For which of the following diseases first successful vaccination was devloped (it is caused by Variola virus)?

A. Cow pox
B. Chicken pox
C. Small pox
D. Polio
Answer» C. Small pox
474.

In which of the following era began the Self replicating RNA molecules on Earth ?

A. Basin Era
B. Nectarian Era
C. Early Imbrian
D. Cryptic Era
Answer» A. Basin Era
475.

What fraction of Body‘s calcium is stored in Bones and teeth?

A. 85%
B. 90%
C. 94%
D. 99%
Answer» D. 99%
476.

Which among the following is NOT a true bast fiber?

A. Jute
B. Hemp
C. Flax
D. Cotton
Answer» D. Cotton
477.

The metals in which among the following groups are required in maximum quantities in a living organism?

A. Potassium, Manganese, Molybdenum, Calcium
B. Potassium, Molybdenum, Copper, Calcium
C. Pottassium,Sodium, Magnesium, Calcium
D. Sodium, Magnesium, Copper, Manganese
Answer» C. Pottassium,Sodium, Magnesium, Calcium
478.

which among the following helps to determine the character of a cell?

A. Nucleus
B. Chromosomes
C. Genes
D. Plasma
Answer» C. Genes
479.

Consider the following statements:
1. Color blindness is more common in men
2. Color blindness is an X-linked recessive trait
3. If both the X chromosomes are defective, a woman may have color blindness
Which among the above statements are correct?

A. 1 only
B. 1 & 2
C. 2 & 3
D. all are correct
Answer» D. all are correct
480.

What name has been given to the fear of crossing roads?

A. Arthrophobia
B. Atychiphobia
C. Aichmophobia
D. Agyrophobia
Answer» D. Agyrophobia
481.

What is the average life of Red Blood cells in our body?

A. 30-40 days
B. 70-80 days
C. 100-120 days
D. 160-180 days
Answer» C. 100-120 days
482.

Which of the following plant growth hormone was recognized by Japanese scientists?

A. Auxin
B. Gibberellins
C. Abscisic acid
D. Cytokinin
Answer» B. Gibberellins
483.

Which among the following does not fall in the category of morbid fear or Phobia?

A. Claustrophobia
B. Photophobia
C. Algophobia
D. Anthophobia
Answer» B. Photophobia
484.

Which among the following is the correct location of pyloric sphincter in human body?

A. between Oral cavity and esophagus
B. between Esophagus and Stomach
C. between Stomach and duodenum
D. between duodenum and Jejunum
Answer» C. between Stomach and duodenum
485.

Consider the following statements:
Both Cochlea and Vestibular system are parts of Internal ear
Only Cochlea makes the auditory system of human body
None of the malleus, incus, and stapes are found in the internal ear.
Which among the above statements are correct ?

A. 1 & 2
B. 2 & 3
C. 1 & 3
D. all 1,2 & 3
Answer» C. 1 & 3
486.

Consider the following statements:
1. Oxygen as well as most Carbon dioxide are transported by Red Blood cells
2. Iron is required for transportation of Oxygen as well as Carbon Dioxide
3. Both Oxygen and Carbon Dioxide bind with Hemoglobin
Which among the above statements are correct ?

A. 1 & 2
B. 2 & 3
C. 1 & 3
D. 3 only
Answer» D. 3 only
487.

In which of the following, the cellular power plants – Mitochondria are absent ?

A. Red algae
B. Green Algae
C. Bacteria
D. Brown Algae
Answer» C. Bacteria
488.

Which among the following is essential gene material ?

A. Protein
B. Fat
C. DNA
D. RNA
Answer» C. DNA
489.

Which among the following is the smallest Human Chromosome?

A. Chromosome 10
B. Chromosome 16
C. Chromosome 20
D. Chromosome 21
Answer» D. Chromosome 21
490.

Consider the following statements:
1. Most antigens are Proteins or lipids
2. Lipids work as antigens if they combine with Proteins or polysaccharides
3. Most vaccines contain antigens.
Which among the above statements are correct?

A. 1 only
B. 1 & 2 only
C. 2 & 3 only
D. all 1, 2 and 3
Answer» C. 2 & 3 only
491.

Which among the following group represents the most commonly found cancers in the world?

A. Carcinoma
B. Sarcoma
C. Lymphoma
D. Germ cell tumor
Answer» A. Carcinoma
492.

Anesthesia which allows patients to undergo surgery without the distress and pain they would otherwise experience, has been practiced by man since ancient times. Which among the following plant is the most ancient source of anesthesia preparations?

A. Opium (poppy)
B. Cannabis
C. Datura
D. Coca
Answer» A. Opium (poppy)
493.

It has been demonstrated by the scientists that, certain wines such as Red Wine posses health benefits because they contain antioxidants, which work in the body as Free Radical Scavengers and slow the oxidation of other molecules by capturing the free radicals. Which among the following is the most common antioxidant found in Red Wine?

A. Catechin
B. Tetrodotoxin
C. Polyphenol
D. Tocopherol
Answer» C. Polyphenol
494.

Biologists have been able to demonstrate the hearing and sound sensory mechanism through the acoustico-lateralis system in which of the following vertebrates ?

A. amphibians
B. snakes
C. fishes
D. Birds
Answer» C. fishes
495.

The Red color of Red wine is mainly because of _____?

A. Chemicals in Wine
B. Pigments
C. Color blended
D. Ageing
Answer» B. Pigments
496.

What is RuBisCO?

A. A Sugar
B. An Enzyme
C. A Fat
D. A Carbohydrate
Answer» B. An Enzyme
497.

Which of the following part of the body stores Vitamin A, Vitamin D as well as Vitamin B12?

A. Brain
B. Liver
C. Pancreas
D. Red Blood Cells
Answer» B. Liver
498.

Which of the following organ in human body produces albumin, one of the major components of blood serum?

A. Bone Marrow
B. Liver
C. Pancreas
D. Spleen
Answer» B. Liver
499.

Which among the following is the only internal human organ which can regenerate?

A. Pancreas
B. Kidney
C. Liver
D. Spleen
Answer» C. Liver
500.

Horses can also digest cellulose from grasses because _______?

A. They are ruminants and have two stomachs
B. They have a long alimentary Canal
C. They have hind gut
D. They don‘t digest cellulose
Answer» C. They have hind gut
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