MCQOPTIONS
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MCQOPTIONS
This section includes 6820 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 2901. |
What is Black Hole? |
| A. | nebulae |
| B. | meteors |
| C. | sun spots |
| D. | none of these |
| Answer» E. | |
| 2902. |
What is the unit of measurement of calories? |
| A. | heat |
| B. | Solid |
| C. | liquid |
| D. | sound |
| Answer» B. Solid | |
| 2903. |
What is the filament of an electric bulb made of? |
| A. | Chromium |
| B. | tungsten |
| C. | copper |
| D. | Such as |
| Answer» C. copper | |
| 2904. |
Why does the sun appear red when it rises and sets? |
| A. | radiation |
| B. | water vapour |
| C. | dust particles |
| D. | scatter |
| Answer» E. | |
| 2905. |
Electricity plants are added to homes? |
| A. | Series |
| B. | Parallel |
| C. | in mixed order |
| D. | none of these |
| Answer» C. in mixed order | |
| 2906. |
From which mineral is aluminum obtained? |
| A. | monanite |
| B. | Anthracite |
| C. | bauxite |
| D. | Thorium |
| Answer» D. Thorium | |
| 2907. |
What is the cause of permanent hardness in water? |
| A. | magnesium carbonate |
| B. | calcium chloride |
| C. | zinc chloride |
| D. | calcium bicarbonate |
| Answer» C. zinc chloride | |
| 2908. |
Bats can fly even in the dark, because they get help? |
| A. | from ultraviolet wave |
| B. | by ultrasonic wave |
| C. | by radiation |
| D. | from special retina |
| Answer» C. by radiation | |
| 2909. |
Who is known as 'Poor's Cow'? |
| A. | goat |
| B. | buffalo |
| C. | pigs |
| D. | sheep |
| Answer» B. buffalo | |
| 2910. |
Which breed of buffalo has the highest fat percentage in milk in India? |
| A. | Mehsana |
| B. | Bhadavari |
| C. | Murrah |
| D. | jafrabadi |
| Answer» C. Murrah | |
| 2911. |
Which of the following goat is known to give more milk? |
| A. | Jamunapari |
| B. | barberry |
| C. | Mehsana |
| D. | cashmere |
| Answer» C. Mehsana | |
| 2912. |
Which of the following is the highest average milk yielding buffalo breed? |
| A. | Murrah |
| B. | jafrabadi |
| C. | Bhadavari |
| D. | Nagpuri |
| Answer» C. Bhadavari | |
| 2913. |
What is the average fat content in buffalo milk? |
| A. | 7.2% |
| B. | 4.5% |
| C. | 9.0% |
| D. | 10.0% |
| Answer» B. 4.5% | |
| 2914. |
Which of the following is not a breed of buffalo? |
| A. | surti |
| B. | Murrah |
| C. | blue |
| D. | Mewati |
| Answer» E. | |
| 2915. |
By what characteristics is the Murrah buffalo recognized? |
| A. | small mouth |
| B. | heavy body |
| C. | long tail |
| D. | ringed horn |
| Answer» E. | |
| 2916. |
Which buffalo milk has the highest fat content? |
| A. | Murrah |
| B. | Bhadwari |
| C. | Mehsana |
| D. | Nagpuri |
| Answer» C. Mehsana | |
| 2917. |
What is the identity of a milch cow? |
| A. | ion is fully developed |
| B. | milk duct protrudes |
| C. | milk duct is scaly |
| D. | all of which |
| Answer» E. | |
| 2918. |
Which breed of cow gives more milk? |
| A. | Tharparkar |
| B. | sahiwal |
| C. | Haryana |
| D. | Gangatiri |
| Answer» C. Haryana | |
| 2919. |
After how many days do cows and buffaloes become seasonal again? |
| A. | 18 days |
| B. | 21 days |
| C. | 23 days |
| D. | 25 days |
| Answer» C. 23 days | |
| 2920. |
Which country has the largest number of buffaloes in the world? |
| A. | Sri Lanka |
| B. | Pakistan |
| C. | China |
| D. | India |
| Answer» E. | |
| 2921. |
What is 'Red Sindhi'? |
| A. | species of buffalo |
| B. | horse breed |
| C. | cow breed |
| D. | human species |
| Answer» D. human species | |
| 2922. |
Which of the following is not a foreign breed of cow? |
| A. | Kankrej |
| B. | Brown Swiss |
| C. | Holstein Friesian |
| D. | jersey |
| Answer» B. Brown Swiss | |
| 2923. |
Which cow hybrid has been bred in India? |
| A. | Karan Freeze |
| B. | Guernsey |
| C. | jersey |
| D. | Karan Swiss |
| Answer» B. Guernsey | |
| 2924. |
Where is the original place of 'Gurnsey' cow? |
| A. | England |
| B. | France |
| C. | Holland |
| D. | New Zealand |
| Answer» C. Holland | |
| 2925. |
The symbiotic germ which is responsible for the fixation of atmospheric nitrogen is found in |
| A. | in peas |
| B. | in wheat |
| C. | in oats |
| D. | in Mecca |
| Answer» B. in wheat | |
| 2926. |
Where is Tharparkar species found? |
| A. | Tribal area |
| B. | border areas of rajasthan |
| C. | Hadoti region |
| D. | Totabati area |
| Answer» C. Hadoti region | |
| 2927. |
Where is the origin of 'Hallikar' breed cow considered? |
| A. | A state in Eastern India |
| B. | Mysore |
| C. | Uttar Pradesh |
| D. | Maharashtra |
| Answer» C. Uttar Pradesh | |
| 2928. |
What happens in most viruses that infect plants? |
| A. | Single-stranded DNA |
| B. | single strand RNA |
| C. | double-stranded DNA and RNA |
| D. | double strand RNA only |
| Answer» E. | |
| 2929. |
DNA fingerprints are used to identify whom? |
| A. | Parents |
| B. | rapist |
| C. | thief |
| D. | all of the above |
| Answer» E. | |
| 2930. |
occurs in viruses? |
| A. | DNA only |
| B. | RNA only |
| C. | DNA only |
| D. | either RNA or DNA |
| Answer» E. | |
| 2931. |
'Sujata' is a species of which animal? |
| A. | cattle |
| B. | goat |
| C. | sheep |
| D. | none of these |
| Answer» B. goat | |
| 2932. |
What is the genetic unit ie 'gene'? |
| A. | in the nuclear membrane |
| B. | in cell art |
| C. | in the lysosome |
| D. | in chromosomes |
| Answer» E. | |
| 2933. |
What is the process of copying genetic information from a stand of DNA to RNA called? |
| A. | Transfer |
| B. | transcription |
| C. | Replication |
| D. | mutation |
| Answer» C. Replication | |
| 2934. |
Are the two strands of DNA bound? |
| A. | By hydrogen bonds |
| B. | By covalent bonds |
| C. | by electrostatic force |
| D. | by vanderwaals forces |
| Answer» B. By covalent bonds | |
| 2935. |
Who was the first to isolate DNA? |
| A. | Friedrich Hofmeischer |
| B. | Albrecht Kossel |
| C. | Forbes Levene |
| D. | Watson and Crick |
| Answer» D. Watson and Crick | |
| 2936. |
Are there ribosomes? |
| A. | DNA |
| B. | RNA |
| C. | Proteins |
| D. | none of these |
| Answer» C. Proteins | |
| 2937. |
What is the primary function of RNA? |
| A. | Photosynthesis |
| B. | protein synthesis |
| C. | replicate |
| D. | to translate |
| Answer» C. replicate | |
| 2938. |
One of the complementary functions of smooth endoplasmic reticulum is |
| A. | protein synthesis |
| B. | lipid synthesis |
| C. | storage of biomolecules |
| D. | detoxification of toxic substances |
| Answer» E. | |
| 2939. |
What is contained in the polynucleotide chain of DNA? |
| A. | a nitrogenous base, deoxyribose sugar and phosphate group |
| B. | a nitrogenous base, ribose sugar and phosphate group |
| C. | Deoxyribose sugar, ribose taxa and phosphate group |
| D. | only one nitrogen |
| Answer» B. a nitrogenous base, ribose sugar and phosphate group | |
| 2940. |
Which country's cows are known as 'Tea Cup Cow'? |
| A. | Australia |
| B. | New Zealand |
| C. | India |
| D. | Denmark |
| Answer» D. Denmark | |
| 2941. |
Tharparkar is a breed of which animal? |
| A. | cattle |
| B. | buffalo |
| C. | goat |
| D. | sheep |
| Answer» B. buffalo | |
| 2942. |
Which is the highest milk producing breed of cow? |
| A. | Haryana |
| B. | Amrit Mahal |
| C. | sahiwal |
| D. | Nagaur |
| Answer» D. Nagaur | |
| 2943. |
Which one of the following cell organelles group is to be DNA? |
| A. | Sutrakanika, Kendrak, Haritalavak |
| B. | Sutrakanika, goljikaya, nucleus |
| C. | Sutrakanika, biomaterial art, nucleus |
| D. | chloroplast, nucleus, ribosome |
| Answer» B. Sutrakanika, goljikaya, nucleus | |
| 2944. |
Which of the following is the controlling center of the cell? |
| A. | nucleus |
| B. | plasma |
| C. | lysosomes |
| D. | chromosomes |
| Answer» B. plasma | |
| 2945. |
Which cell of the following is the smallest living cell? |
| A. | bacterium |
| B. | bread mold |
| C. | Mycoplasma |
| D. | virus |
| Answer» D. virus | |
| 2946. |
In which of the following cells present in the human body, mitochondria are not found? |
| A. | Red blood cell |
| B. | liver cells |
| C. | muscle cell |
| D. | white blood cell |
| Answer» B. liver cells | |
| 2947. |
Which one of the following cell organelles is semipermeable? |
| A. | cell membrane |
| B. | plasma membrane |
| C. | cell wall |
| D. | nucleus |
| Answer» B. plasma membrane | |
| 2948. |
Which of the following are called suicide bags of cells? |
| A. | lysosomes |
| B. | ribosomes |
| C. | Dictosomes |
| D. | phagosomes |
| Answer» B. ribosomes | |
| 2949. |
What is the power source of the cell? |
| A. | mitochondria |
| B. | cell wall |
| C. | ribosome |
| D. | nucleus |
| Answer» B. cell wall | |
| 2950. |
Which of the following is also called the 'power plant' of the cell? |
| A. | golgi body |
| B. | mitochondria |
| C. | ribosome |
| D. | lysosomes |
| Answer» C. ribosome | |