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.
| 1001. |
The blood vessel supplying blood to the kidney is |
| A. | the renal artery |
| B. | the hepatic artery |
| C. | the pulmonary artery |
| D. | the carotid artery |
| Answer» B. the hepatic artery | |
| 1002. |
When the Left Ventricle in the human heart contracts, the blood moves to the |
| A. | Brain |
| B. | Pulmonary Artery |
| C. | Aorta |
| D. | Lungs |
| Answer» D. Lungs | |
| 1003. |
Taenia solium (Tape worm) lives as a parasite in |
| A. | Pig |
| B. | Abdomen of man/woman |
| C. | Intestine of man/woman |
| D. | Liver of man/woman |
| Answer» D. Liver of man/woman | |
| 1004. |
The floral part that receives pollen- grains during pollination is |
| A. | ovary |
| B. | style |
| C. | stigma |
| D. | ovules |
| Answer» D. ovules | |
| 1005. |
Which part of the nervous system controls the activities of internal organs? |
| A. | Spinal cord |
| B. | Cerebrum |
| C. | Cerebellum |
| D. | Medulla Oblongata |
| Answer» B. Cerebrum | |
| 1006. |
Bile is produced by the |
| A. | Liver |
| B. | Stomach |
| C. | Pancreas |
| D. | Duodenum |
| Answer» B. Stomach | |
| 1007. |
Which one of the Endocrine glands is known as master gland? |
| A. | Pituitary |
| B. | Adrenal |
| C. | Thyroid |
| D. | Parathyroid |
| Answer» B. Adrenal | |
| 1008. |
Blood pressure is the pressure exerted by blood on the walls of |
| A. | Heart |
| B. | Veins |
| C. | Arteries |
| D. | Capillaries |
| Answer» D. Capillaries | |
| 1009. |
Normal fasting blood sugar level per 100 ml. of blood in man is |
| A. | 30 - 50 mg |
| B. | 50 - 70 mg |
| C. | 80 -100 mg |
| D. | 120 -140 mg |
| Answer» D. 120 -140 mg | |
| 1010. |
Lockjaw is the last phase of which of the following diseases? |
| A. | Diptheria |
| B. | Pneumonia |
| C. | Syphilis |
| D. | Tetanus |
| Answer» E. | |
| 1011. |
Scurvey is caused by: |
| A. | Vitamin D |
| B. | Vitamin A |
| C. | Vitamin C |
| D. | Vitamin B |
| Answer» D. Vitamin B | |
| 1012. |
For how many years have the dinosaurs been extinct ? |
| A. | About 25 million years |
| B. | |
| C. | About 65 million years |
| D. | About 55 million years |
| E. | About 45 million years |
| Answer» C. About 65 million years | |
| 1013. |
Which of the following makes the skin layer impervious to water ? |
| A. | Collagen |
| B. | Melanin |
| C. | Keratin |
| D. | Chitin |
| Answer» D. Chitin | |
| 1014. |
An example of false fruit is |
| A. | Apple |
| B. | Guava |
| C. | Mango |
| D. | Tomato |
| Answer» B. Guava | |
| 1015. |
The total number of bones in our body is : |
| A. | 226 |
| B. | 206 |
| C. | 256 |
| D. | 236 |
| Answer» C. 256 | |
| 1016. |
Leukaemia or blood cancer is characterised by abnormal in crease of the |
| A. | Red blood cells |
| B. | White blood cells |
| C. | Blood platelets |
| D. | Blood plasma |
| Answer» C. Blood platelets | |
| 1017. |
The vector of disease sleeping sickness is |
| A. | sand-fly |
| B. | house-fly |
| C. | |
| D. | fruit-fly |
| E. | tse-tse fly |
| Answer» E. tse-tse fly | |
| 1018. |
The smallest flowering plant is : |
| A. | Wolffia |
| B. | Lemma |
| C. | Azolla |
| D. | Ficus |
| Answer» B. Lemma | |
| 1019. |
Cod is a variety of |
| A. | Goat |
| B. | Fish |
| C. | Crop |
| D. | Coral |
| Answer» C. Crop | |
| 1020. |
The process of preventing the birds from flying is called |
| A. | brailing |
| B. | debeaking |
| C. | dubbing |
| D. | pecking |
| Answer» B. debeaking | |
| 1021. |
Birds which swim in water have |
| A. | webbed feet |
| B. | |
| C. | broad wings |
| D. | long beaks |
| E. | toes with claws |
| Answer» B. | |
| 1022. |
The total number of biosphere reserves present in India are |
| A. | eleven |
| B. | ten |
| C. | fifteen |
| D. | twelve |
| E. | None of these |
| Answer» F. | |
| 1023. |
The poison of honey bee is : |
| A. | Acidic |
| B. | Alkaline |
| C. | Saltish |
| D. | Protein |
| Answer» B. Alkaline | |
| 1024. |
Which animal produces the biggest baby ? |
| A. | Camel |
| B. | Lion |
| C. | Elephant |
| D. | Blue Whale |
| Answer» E. | |
| 1025. |
Which of the following animals has the longest life span ? |
| A. | Elephant |
| B. | Crocodile |
| C. | Dog |
| D. | Tortoise |
| Answer» E. | |
| 1026. |
Who discovered the Cholera-bacillus ? |
| A. | Louis Pasteur |
| B. | Ronald Ross |
| C. | Robert Koch |
| D. | Joseph Lister |
| Answer» D. Joseph Lister | |
| 1027. |
What is the approximate time required for a heart-beat ? |
| A. | 0.5 second |
| B. | 0.8 second |
| C. | 0.5 minute |
| D. | 1.0 minute |
| Answer» C. 0.5 minute | |
| 1028. |
An ant can see the objects all around it due to the presence of |
| A. | Simple Eyes |
| B. | Eyes over the head |
| C. | Well-developed eyes |
| D. | Compound eyes |
| Answer» E. | |
| 1029. |
In the eye, colour vision is effected by the presence of : |
| A. | Choroid coat |
| B. | Sclerotic coat |
| C. | Rods |
| D. | Cones |
| Answer» E. | |
| 1030. |
Which of the following is the largest living bird ? |
| A. | Peacock |
| B. | Ostrich |
| C. | Dodo |
| D. | Turkey |
| Answer» C. Dodo | |
| 1031. |
Which of the following is not a component of chlorophyll ? |
| A. | Hydrogen |
| B. | Magnesium |
| C. | Carbon |
| D. | Calcium |
| Answer» E. | |
| 1032. |
Which of the following elements is obtained from the sea algae ? |
| A. | Argon |
| B. | Sulphur |
| C. | Vanadium |
| D. | Iodine |
| Answer» E. | |
| 1033. |
Blue Revolution is related to: |
| A. | Space research |
| B. | Poultry |
| C. | Drinking water |
| D. | Fisheries |
| Answer» C. Drinking water | |
| 1034. |
A person will have brown eyes, blue eyes or black eyes depending on the particular pigment present in the : |
| A. | Pupil |
| B. | Cornea |
| C. | Iris |
| D. | Choroid |
| Answer» D. Choroid | |
| 1035. |
Heart attack occurs due to : |
| A. | Bacterial attack on the heart |
| B. | Stopping of heart beat |
| C. | Lack of blood supply to the heart itself |
| D. | Impairment of heart s working due to unknown reasons |
| Answer» D. Impairment of heart s working due to unknown reasons | |
| 1036. |
Which of the following represents a food chain involving a producer, a vegetarian and a non-vegetarian ? |
| A. | Grass Insect Elephant |
| B. | Plant Rabbit Tiger |
| C. | Fish Insect Whale |
| D. | Tiger Rabbit Owl |
| Answer» C. Fish Insect Whale | |
| 1037. |
Which of the following is considered to be the best cholesterol ? |
| A. | VLDL |
| B. | LDL |
| C. | HDL |
| D. | Triglycerids |
| Answer» D. Triglycerids | |
| 1038. |
The causative organism of dengue fever is |
| A. | Fungus |
| B. | Bacteria |
| C. | Protozoa |
| D. | Virus |
| Answer» E. | |
| 1039. |
In which of the following generally hormone is not found ? |
| A. | Rat |
| B. | Monkey |
| C. | Bacteria |
| D. | Cat |
| Answer» E. | |
| 1040. |
Which wood will become useless soon after exposing in the open air ? |
| A. | Soft wood |
| B. | Fibrous wood |
| C. | Wet wood |
| D. | Hard wood |
| Answer» D. Hard wood | |
| 1041. |
Which among the following elements increases the absorption of water and calcium in plants ? |
| A. | Manganese |
| B. | Boron |
| C. | Copper |
| D. | Molybdenum |
| Answer» C. Copper | |
| 1042. |
Which among the following is a large spectrum Antibiotic ? |
| A. | Paracetamol |
| B. | Pencillin |
| C. | Ampicillin |
| D. | Chlormphenicol |
| Answer» D. Chlormphenicol | |
| 1043. |
Which among the following helps in circulation of blood ? |
| A. | Arithrocytus |
| B. | Blood platelets |
| C. | Monocytes |
| D. | Lymphocytes |
| Answer» E. | |
| 1044. |
Which is the effect of antigen in an ill person ? |
| A. | It increases the production of W.B.C. |
| B. | It increases the production of antibiotics |
| C. | It increases the production of anti-serum against bacteria |
| D. | It prevents the growth of bacteria |
| Answer» C. It increases the production of anti-serum against bacteria | |
| 1045. |
What is the limit of MG/DL of blood sugar in the normal person at the time of fast ? |
| A. | 40-60 |
| B. | 120-150 |
| C. | 70-100 |
| D. | 160-200 |
| Answer» D. 160-200 | |
| 1046. |
Pituitary gland is located in |
| A. | brain |
| B. | kidney |
| C. | liver |
| D. | intestine |
| Answer» B. kidney | |
| 1047. |
Which of the following diseases affects women easily than that of men ? |
| A. | Heart attack |
| B. | Hepatitis |
| C. | Joint arthritis |
| D. | Arthritis |
| Answer» B. Hepatitis | |
| 1048. |
Angora wool is extracted from |
| A. | rabbit |
| B. | sheep |
| C. | fox |
| D. | goat |
| Answer» B. sheep | |
| 1049. |
Our bones and teeth are generally made of |
| A. | Tricalcium phosphate |
| B. | Fluoropetite |
| C. | Chloropetite |
| D. | Hydrolith |
| Answer» B. Fluoropetite | |
| 1050. |
Exobiology deals with the study of : |
| A. | external characters of living organisms |
| B. | life on the surface of the earth |
| C. | life in the outer layers of atmosphere |
| D. | life in other planets and space |
| Answer» E. | |