MCQOPTIONS
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MCQOPTIONS
This section includes 1075 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 951. |
In the human body, fats are stored in the |
| A. | Epidermis |
| B. | Adipose tissue |
| C. | Liver |
| D. | Epithelium |
| Answer» C. Liver | |
| 952. |
The endangered species are listed in what colour data book? |
| A. | Black |
| B. | Red |
| C. | Green |
| D. | Blue |
| Answer» C. Green | |
| 953. |
Which of the following has no blood, but respires ? |
| A. | Fish |
| B. | Earthworm |
| C. | Hydra |
| D. | Cockroach |
| Answer» D. Cockroach | |
| 954. |
Laws of heredity was put forward by |
| A. | Mendel |
| B. | Mendeleev |
| C. | Pavlov |
| D. | Koch |
| Answer» B. Mendeleev | |
| 955. |
The deciduous trees will |
| A. | shed their leaves every year |
| B. | not lose their leaves |
| C. | synthesise their own food |
| D. | depend on others for their food |
| Answer» B. not lose their leaves | |
| 956. |
Animals with Chitinous exoskeleton are |
| A. | Insects |
| B. | Sponges |
| C. | Sea-Urchin |
| D. | Snails |
| Answer» B. Sponges | |
| 957. |
Five Kingdom classification was given by |
| A. | Whittaker |
| B. | Haeckel |
| C. | Linneus |
| D. | Copeland |
| Answer» B. Haeckel | |
| 958. |
Which of the following prevents bleeding of gums ? |
| A. | Ascorbic acid |
| B. | Vitamin B |
| C. | Nicotinamide |
| D. | Thiamine |
| Answer» B. Vitamin B | |
| 959. |
Radioactive materials should be kept in the container made of : |
| A. | Fe |
| B. | Al |
| C. | Pb |
| D. | Steel |
| Answer» E. | |
| 960. |
Flowers emit fragrance to : |
| A. | purify air |
| B. | drive away flies |
| C. | attract insects |
| D. | perform all the above |
| Answer» D. perform all the above | |
| 961. |
Which of the following is the basic characteristic of a living organism ? |
| A. | Ability to breathe |
| B. | Ability to reproduce |
| C. | Ability to move |
| D. | Ability to eat |
| Answer» B. Ability to reproduce | |
| 962. |
Nutrients are recycled in the atmosphere with the help of certain micro-organisms referred to as |
| A. | producers |
| B. | consumers |
| C. | decomposers |
| D. | None of these |
| Answer» D. None of these | |
| 963. |
Chromosome designation of Turner sydrome is : |
| A. | 44A+XO |
| B. | 44A+XXX |
| C. | 44A+XXY |
| D. | 44A+XYY |
| Answer» B. 44A+XXX | |
| 964. |
Bone osification test is conducted to as certain human |
| A. | Brain efficiency |
| B. | Tentative age |
| C. | Tentative height |
| D. | Drug addiction |
| Answer» C. Tentative height | |
| 965. |
The scavengers f earth are |
| A. | Bacteria |
| B. | Viruses |
| C. | Algae |
| D. | Fungi |
| Answer» C. Algae | |
| 966. |
Which of the following is a tapeworm ? |
| A. | Fasciola |
| B. | Schistosoma |
| C. | Taenia |
| D. | Enterobius |
| Answer» D. Enterobius | |
| 967. |
The heart rate in an adult person is |
| A. | 50-60 times per minute |
| B. | 70-80 times per hour |
| C. | 70-80 times per second |
| D. | 70-80 times per minute |
| Answer» E. | |
| 968. |
Vitamin C is also known as |
| A. | Amino acid |
| B. | Ascorbic acid |
| C. | Acetic acid |
| D. | Azelaic acid |
| Answer» C. Acetic acid | |
| 969. |
Haemoglobin in the blood is a complex protein rich in |
| A. | Iron |
| B. | Silver |
| C. | Copper |
| D. | Gold |
| Answer» B. Silver | |
| 970. |
Which of the following is a mono-genetic parasite ? |
| A. | Hydra |
| B. | Fasciola |
| C. | Ascaris |
| D. | Earthworm |
| Answer» D. Earthworm | |
| 971. |
Immunisation is a phenomenon of formation of antibodies by using inactive |
| A. | Antigens |
| B. | Antibodies |
| C. | Chemicals |
| D. | Blood |
| Answer» B. Antibodies | |
| 972. |
Growing more than one crop on a piece of land during the year is known as |
| A. | Uni cropping |
| B. | Multiple cropping |
| C. | Double cropping |
| D. | Triple cropping |
| Answer» C. Double cropping | |
| 973. |
Which one of the following plant is used to treat blood pressure? |
| A. | Sarpagandha |
| B. | Neem |
| C. | Babool |
| D. | Tulsi |
| Answer» B. Neem | |
| 974. |
Which part becomes modified as the tusk of elephant ? |
| A. | Canine |
| B. | Premolar |
| C. | Second incisor |
| D. | Molar |
| Answer» D. Molar | |
| 975. |
Commonest mammal is |
| A. | Elephant |
| B. | Lion |
| C. | Man (Homo sapiens) |
| D. | Panther |
| Answer» D. Panther | |
| 976. |
Which is the only mammal that can fly ? |
| A. | Whale |
| B. | Bat |
| C. | Hen |
| D. | Lizard |
| Answer» C. Hen | |
| 977. |
Prawn heart carries |
| A. | no blood |
| B. | deoxygenated blood |
| C. | oxygenated blood |
| D. | mixed blood |
| Answer» D. mixed blood | |
| 978. |
Blood does not clot in the blood vessels due to the presence of |
| A. | Thrombin |
| B. | Fibrinogen |
| C. | Heparin |
| D. | Prothrombin |
| Answer» B. Fibrinogen | |
| 979. |
To which group of blood an universal recipient belongs? |
| A. | A group |
| B. | B group |
| C. | 0 group |
| D. | AB group |
| Answer» E. | |
| 980. |
In our body, antibodies are formed against pathogens in |
| A. | liver by RBC |
| B. | blood by platelets |
| C. | brain by macrophages |
| D. | thymus by lymphocytes |
| Answer» E. | |
| 981. |
Which of these is a micro nutrient for plants? |
| A. | Carbon |
| B. | Oxygen |
| C. | Nitrogen |
| D. | Boron |
| Answer» E. | |
| 982. |
Eyes of potato are useful for |
| A. | Nutrition |
| B. | Respiration |
| C. | Reproduction |
| D. | Vegetative propagation |
| Answer» E. | |
| 983. |
Grey hair is caused due to |
| A. | aging of epidermal cells |
| B. | |
| C. | death of dermal cells |
| D. | loss of sebum in epidermal cells |
| E. | loss of melanin in epidermal cells |
| Answer» E. loss of melanin in epidermal cells | |
| 984. |
Which of the following is not an endocrine gland ? |
| A. | Pituitary |
| B. | Thyroid |
| C. | Adrenal |
| D. | Spleen |
| Answer» E. | |
| 985. |
Typhoid fever is caused by |
| A. | Bacterium |
| B. | Protozoa |
| C. | Fungi |
| D. | Virus |
| Answer» B. Protozoa | |
| 986. |
Dehydration in human body is caused due to the loss of : |
| A. | vitamins |
| B. | salts |
| C. | hormones |
| D. | water |
| Answer» E. | |
| 987. |
Blood fails to clot white flowing in the blood vessel because of the presence of |
| A. | Heparin |
| B. | Prothrombin |
| C. | Haemoglobin |
| D. | Hirudin |
| Answer» B. Prothrombin | |
| 988. |
Substances which are used to bring down the temperature in high fever condition are called : |
| A. | Antiseptics |
| B. | Pyretics |
| C. | Antipyretics |
| D. | Antibiotics |
| Answer» D. Antibiotics | |
| 989. |
The most suitable soil for the production of cotton is : |
| A. | Black lava soil |
| B. | Alluvial soil |
| C. | Loamy soil |
| D. | Well drained soil |
| Answer» C. Loamy soil | |
| 990. |
Flowerless plants are termed as: |
| A. | Phanerogams |
| B. | Bryophytes |
| C. | Thallophytes |
| D. | Cryptogams |
| Answer» E. | |
| 991. |
Bio - diesel is mostly produced by : |
| A. | Myrtaceae |
| B. | Malvaceae |
| C. | Liliaceae |
| D. | Euphorbiaceae |
| Answer» E. | |
| 992. |
Which of the following enzymes aids in coagulation of blood? |
| A. | Tryptase |
| B. | Pepsin |
| C. | Rennin |
| D. | Amylase |
| Answer» D. Amylase | |
| 993. |
Types of vertebrate animals which creep and crawl are called : |
| A. | mammalians |
| B. | amphibians |
| C. | mollusks |
| D. | reptilians |
| Answer» E. | |
| 994. |
Jaws are absent in : |
| A. | Birds |
| B. | Fishes |
| C. | Protochordates |
| D. | Reptiles |
| Answer» D. Reptiles | |
| 995. |
A man suffering from diabetes mellitus drinks water more frequently as he has to eliminate from the blood extra : |
| A. | glucose |
| B. | insulin |
| C. | glucagon |
| D. | salt |
| Answer» B. insulin | |
| 996. |
Which one of the following is an indicator of air pollution ? |
| A. | Cycas |
| B. | Algae |
| C. | Bryophytes |
| D. | Lichens |
| Answer» E. | |
| 997. |
Symptoms of Jaundice occur mainly due to disorder and malfunction of : |
| A. | Intestine |
| B. | Liver |
| C. | Stomach |
| D. | Pancreas |
| Answer» C. Stomach | |
| 998. |
Haemoglobin is an important constituent of |
| A. | Red blood cells |
| B. | White blood cells |
| C. | Platelets |
| D. | Plasma |
| Answer» B. White blood cells | |
| 999. |
The organ which stores carbohydrates as glycogen in the human body is |
| A. | Intestine |
| B. | Stomach |
| C. | Pancreas |
| D. | Liver |
| Answer» E. | |
| 1000. |
Bt seed is associated with |
| A. | Rice |
| B. | Wheat |
| C. | Cotton |
| D. | Oil seeds |
| Answer» D. Oil seeds | |