MCQOPTIONS
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MCQOPTIONS
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 4751. |
Does the virus grow? |
| A. | in a living cell |
| B. | in sugar solution |
| C. | in dead body |
| D. | in water |
| Answer» B. in sugar solution | |
| 4752. |
Which of the following glands gets lost in old age? |
| A. | Piyush |
| B. | thymus |
| C. | parathyroid |
| D. | thyroid |
| Answer» C. parathyroid | |
| 4753. |
Which one of the following endocrine glands can function independently of the pituitary gland? |
| A. | Avatu |
| B. | adrenal |
| C. | Paravatu |
| D. | genital gland |
| Answer» D. genital gland | |
| 4754. |
Which of the following is a female hormone? |
| A. | estrogen |
| B. | insulin |
| C. | Auxin |
| D. | Androgens |
| Answer» B. insulin | |
| 4755. |
Which gland of the human body simultaneously acts as both endocrine and exocrine? |
| A. | pancreas |
| B. | thyroid |
| C. | Piyush |
| D. | liver |
| Answer» B. thyroid | |
| 4756. |
Insulin is secreted from which of the following cells? |
| A. | alpha cell |
| B. | beta cell |
| C. | mechanical cell |
| D. | delta cell |
| Answer» C. mechanical cell | |
| 4757. |
Which of the following is a hormone? |
| A. | invertage |
| B. | ascorbic acid |
| C. | insulin |
| D. | RNA |
| Answer» D. RNA | |
| 4758. |
Which hormone is called the fight-flight hormone? |
| A. | insulin |
| B. | Adrenaline |
| C. | Oxytocin |
| D. | estrogen |
| Answer» C. Oxytocin | |
| 4759. |
From which gland are life saving hormones secreted? |
| A. | adrenal |
| B. | pituitary |
| C. | thyroid |
| D. | none of these |
| Answer» B. pituitary | |
| 4760. |
Which gland is responsible for the release of insulin? |
| A. | pancreas |
| B. | pineal |
| C. | thymus |
| D. | none of these |
| Answer» B. pineal | |
| 4761. |
What is the function of hemoglobin in the body? |
| A. | transport of oxygen |
| B. | use of iron |
| C. | stop anemia |
| D. | kill bacteria |
| Answer» B. use of iron | |
| 4762. |
What is the color of human skin? |
| A. | from hemoglobin |
| B. | from melanin |
| C. | from adrenaline |
| D. | from insulin |
| Answer» C. from adrenaline | |
| 4763. |
Who controls the blood pressure? |
| A. | adrenal |
| B. | yellow body |
| C. | thymus |
| D. | Avatu |
| Answer» B. yellow body | |
| 4764. |
When a person gets old, his blood pressure usually increases? |
| A. | happens to |
| B. | keeps changing |
| C. | stays the same |
| D. | rises up |
| Answer» B. keeps changing | |
| 4765. |
Which of the following substances accumulates when the kidney stops functioning? |
| A. | body fat |
| B. | nitrogenous wastes in the blood |
| C. | blood sugar |
| D. | protein in the body |
| Answer» C. blood sugar | |
| 4766. |
If the blood group of one of the parents is AB and the other is O, then the possible blood group of their child will be? |
| A. | A or B |
| B. | A or B or O |
| C. | A or AB or O |
| D. | A, B, AB या C |
| Answer» B. A or B or O | |
| 4767. |
What is included in the vaccination against smallpox? |
| A. | of all germs |
| B. | of living antibodies |
| C. | germinal |
| D. | none of these |
| Answer» C. germinal | |
| 4768. |
Which of the following items is a vitamin? |
| A. | Carotene |
| B. | insulin |
| C. | Riboflavin |
| D. | none of these |
| Answer» D. none of these | |
| 4769. |
What is the cause of farsightedness of the eyes? |
| A. | shrinkage of the retina |
| B. | shortening of the eyeball |
| C. | by dilation of the pupil |
| D. | none of these |
| Answer» C. by dilation of the pupil | |
| 4770. |
What is the center of respiration inside the cell? |
| A. | ribosome |
| B. | mitochondria |
| C. | nucleus |
| D. | none of these |
| Answer» C. nucleus | |
| 4771. |
Dialysis is used for people with kidney defects, the process involved is? |
| A. | Absorption |
| B. | active movement |
| C. | osmosis |
| D. | electrical movement |
| Answer» D. electrical movement | |
| 4772. |
Ring disease is known as? |
| A. | algae disease |
| B. | wart disease |
| C. | bunky top |
| D. | mosaic disease |
| Answer» B. wart disease | |
| 4773. |
Which protozoa is responsible for dysentery? |
| A. | entamoeba |
| B. | Trypanosoma |
| C. | amoeba |
| D. | none of these |
| Answer» B. Trypanosoma | |
| 4774. |
Where is the most iron found? |
| A. | Did |
| B. | green leafy vegetables |
| C. | Milk |
| D. | Apple |
| Answer» C. Milk | |
| 4775. |
Due to the deficiency of which of the following vitamins, blood comes from the gums and teeth start moving? |
| A. | Vitamin A |
| B. | Vitamin B |
| C. | Vitamin C |
| D. | Vitamin D |
| Answer» D. Vitamin D | |
| 4776. |
Which plant hormone helps in cell division? |
| A. | abscisic acid |
| B. | Gibberellin |
| C. | cytokinins |
| D. | none of these |
| Answer» C. cytokinins | |
| 4777. |
Where does solar energy come from? |
| A. | Sun |
| B. | air |
| C. | Sea |
| D. | moon |
| Answer» B. air | |
| 4778. |
What is the most venomous fish? |
| A. | stone fish |
| B. | sea fish |
| C. | jigsaw fish |
| D. | Electric fish |
| Answer» B. sea fish | |
| 4779. |
By spraying which plant hormone can particulate fruits be obtained? |
| A. | Auxin |
| B. | abscisic acid |
| C. | cytokinins |
| D. | Gibberellin |
| Answer» B. abscisic acid | |
| 4780. |
Received commercial corks? |
| A. | from xylem |
| B. | from convection cambium |
| C. | from cork cambium |
| D. | from phloem |
| Answer» D. from phloem | |
| 4781. |
Which tissue is responsible for secondary growth? |
| A. | xylem |
| B. | cambium |
| C. | cortex |
| D. | phloem |
| Answer» C. cortex | |
| 4782. |
Which was the first isolated antibiotic? |
| A. | Teramicin |
| B. | penicillin |
| C. | Neomycin |
| D. | none of these |
| Answer» C. Neomycin | |
| 4783. |
What causes the disease called 'athlete's foot'? |
| A. | bacteria |
| B. | Nematode |
| C. | protozoa |
| D. | fungus |
| Answer» E. | |
| 4784. |
What is the circulation organ of Hydra? |
| A. | pseudopod |
| B. | Celia |
| C. | Tentacles |
| D. | none of these |
| Answer» D. none of these | |
| 4785. |
The study of the internal structure of plants is called? |
| A. | morphology |
| B. | autiki |
| C. | Physiology |
| D. | Classification |
| Answer» D. Classification | |
| 4786. |
Which of the following diseases is genetic? |
| A. | hemophilia |
| B. | dysentery |
| C. | cancer |
| D. | none of these |
| Answer» B. dysentery | |
| 4787. |
What is the quality of immortality? |
| A. | sponge |
| B. | Aurelia |
| C. | hydra |
| D. | none of these |
| Answer» D. none of these | |
| 4788. |
Where are dolphins classified? |
| A. | in fish |
| B. | in breast |
| C. | in reptiles |
| D. | in amphibians |
| Answer» C. in reptiles | |
| 4789. |
Which of the following animals does not have a lacrimal gland? |
| A. | humans |
| B. | bull |
| C. | dog |
| D. | alligator |
| Answer» E. | |
| 4790. |
Who among the following is the scientist who explained the blood circulation for the first time? |
| A. | Harvey |
| B. | Ross |
| C. | mendel ronald |
| D. | none of these |
| Answer» B. Ross | |
| 4791. |
Which one of the following is the cause of scabies? |
| A. | bacteria |
| B. | protozoa |
| C. | microscopic insect |
| D. | fungus |
| Answer» E. | |
| 4792. |
A bird that flies upside down? |
| A. | penguin |
| B. | duck |
| C. | Peacock |
| D. | humming bird |
| Answer» E. | |
| 4793. |
The bird that sticks its head in the sand to protect it from its enemy? |
| A. | sand piper |
| B. | emu |
| C. | ostrich |
| D. | kiwi |
| Answer» D. kiwi | |
| 4794. |
What is the scientific name of Pavo crestus? |
| A. | Tiger |
| B. | Peacock |
| C. | humans |
| D. | frog |
| Answer» C. humans | |
| 4795. |
Why do butterfly eyes shine at night? |
| A. | because of the special lens |
| B. | Caused by Tapitum Lucidum |
| C. | due to gene effect |
| D. | none of these |
| Answer» C. due to gene effect | |
| 4796. |
Who formulated the theory of natural selection? |
| A. | Newton |
| B. | Mendel |
| C. | Darwin |
| D. | none of these |
| Answer» D. none of these | |
| 4797. |
The hormone insulin used to treat diabetes was invented by? |
| A. | F G Banting |
| B. | by hook |
| C. | Schleiden and Schwann |
| D. | by brown |
| Answer» D. by brown | |
| 4798. |
The largest flightless bird that can run at the fastest speed is |
| A. | penguin |
| B. | emu |
| C. | ostrich |
| D. | kiwi |
| Answer» D. kiwi | |
| 4799. |
Which of the following animals is not a mammal? |
| A. | fish |
| B. | humans |
| C. | Whale |
| D. | Bat |
| Answer» B. humans | |
| 4800. |
Why do cat's eyes glow at night? |
| A. | because of the special lens |
| B. | clear cause not known |
| C. | due to gene effect |
| D. | Caused by Tapitum Lucidum |
| Answer» E. | |