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.
| 801. |
Virus contains |
| A. | Protein and lipid |
| B. | Nucleic acid and protein |
| C. | Lipid and carbohydrate |
| D. | Carbohydrate and nucleic acid |
| Answer» B. Nucleic acid and protein | |
| 802. |
Which was the first antibiotic ? |
| A. | Terramycin |
| B. | Neomycin |
| C. | Penicilin |
| D. | Streptomycin |
| Answer» D. Streptomycin | |
| 803. |
Which of the following blood cells is compulsory for blood coagulation ? |
| A. | Platelets |
| B. | Red Blood Corpuscles |
| C. | White Blood Corpuscles |
| D. | Lymphocites |
| Answer» B. Red Blood Corpuscles | |
| 804. |
During photosynthesis the liberated gas is : |
| A. | Carbon dioxide |
| B. | Oxygen |
| C. | Nitrogen |
| D. | Hydrogen |
| Answer» C. Nitrogen | |
| 805. |
Amniocentesis is a method for : |
| A. | determination of foetal health conditions |
| B. | determination of the amino acids sequence |
| C. | inducing abortion |
| D. | artificial insemination |
| Answer» B. determination of the amino acids sequence | |
| 806. |
Darwin finches refer to a group of : |
| A. | Fishes |
| B. | Lizards |
| C. | Birds |
| D. | Amphibians |
| Answer» D. Amphibians | |
| 807. |
Hashish is obtained from a plant. From which part of the plant is it obtained ? |
| A. | Leaves |
| B. | Stem |
| C. | Exudate from leaves and female inflorescences. |
| D. | Exudate from stem and male inflorescences. |
| Answer» D. Exudate from stem and male inflorescences. | |
| 808. |
What is the chromosome number in a human ovum ? |
| A. | 24 |
| B. | 46 |
| C. | 48 |
| D. | None of these |
| Answer» C. 48 | |
| 809. |
Which is the gland that holds the body s thermostat? |
| A. | Pineal |
| B. | Pituitary |
| C. | Thyroid |
| D. | Hypothalamus |
| Answer» E. | |
| 810. |
Clove, the commonly-used spice, is obtained from the |
| A. | Fruit |
| B. | Stem |
| C. | Root |
| D. | Flower bud |
| Answer» E. | |
| 811. |
In B.C.G. Vaccine the word C stands for : |
| A. | Calmette |
| B. | Cough |
| C. | Chlorine |
| D. | Cadmium |
| Answer» B. Cough | |
| 812. |
What are the blood corpuscles that help to build up resistance against diseases ? |
| A. | Leucocytes |
| B. | Monocytes |
| C. | Neutrophils |
| D. | Lymphoctyes |
| Answer» B. Monocytes | |
| 813. |
Which of the following hormone is released in excess quantity during excitement ? |
| A. | Cortisone |
| B. | Serotonin |
| C. | Adrenaline |
| D. | Oestrogen |
| Answer» E. | |
| 814. |
Where are the Eucalyptus trees found in abundance ? |
| A. | Mizo Hills |
| B. | Naga Hills |
| C. | Manipur Hills |
| D. | Nilgiri Hills |
| Answer» E. | |
| 815. |
Water in plants is trans-ported by |
| A. | cambium |
| B. | phloem |
| C. | epidermis |
| D. | xylem |
| Answer» E. | |
| 816. |
A plant with compound leaves is |
| A. | Papaya |
| B. | Coconut |
| C. | Peepal |
| D. | Hibiscus |
| Answer» C. Peepal | |
| 817. |
Which one of the following is NOT a function of kidney ? |
| A. | Regulation of blood pH |
| B. | Removal of metabolic wastes from the body |
| C. | Production of antibodies |
| D. | Regulation of osmotic pressures of the blood |
| Answer» D. Regulation of osmotic pressures of the blood | |
| 818. |
The part of brain which controls emotional reactions in our body is |
| A. | Hypothalamus |
| B. | Cerebrum |
| C. | Meninges |
| D. | Thalamus |
| Answer» B. Cerebrum | |
| 819. |
Which of these joints is a Hinge joint? |
| A. | Hip |
| B. | Elbow |
| C. | Shoulder |
| D. | Wrist |
| Answer» C. Shoulder | |
| 820. |
The scientist who explained about blood circulation for the first time was |
| A. | Antonyvan Leewen Hock |
| B. | William Harvey |
| C. | Gregor Mendel |
| D. | Ronald Ross |
| Answer» C. Gregor Mendel | |
| 821. |
Edward Jenner is associated with |
| A. | Cholera |
| B. | Typhoid |
| C. | Small Pox |
| D. | Paralysis |
| Answer» D. Paralysis | |
| 822. |
The branch of agriculture which deals with the feeding, shelter, health and breeding of the domestic animals is called |
| A. | Dairy Science |
| B. | Veterinary Science |
| C. | Poultry |
| D. | Animal Husbandry |
| Answer» C. Poultry | |
| 823. |
Which of the following is not required for seed germination? |
| A. | Water |
| B. | Air |
| C. | Sunlight |
| D. | Suitable temperature |
| Answer» D. Suitable temperature | |
| 824. |
An insect is an orgainism having |
| A. | 3 pairs of legs |
| B. | 4 pairs of legs |
| C. | Head, thorax and abdomen |
| D. | Pair of wings and antenna |
| Answer» B. 4 pairs of legs | |
| 825. |
The hybrid between horse and donkey is called |
| A. | Pony |
| B. | Colt |
| C. | Mule |
| D. | Zebra |
| Answer» D. Zebra | |
| 826. |
BCG vaccination is to be given to a new-born child |
| A. | immediately after birth |
| B. | within 48 hours |
| C. | within seven days |
| D. | within six months |
| Answer» C. within seven days | |
| 827. |
On the average, what percentage of human body has the element of oxygen ? |
| A. | 65 |
| B. | 25 |
| C. | 10 |
| D. | 5 |
| Answer» B. 25 | |
| 828. |
Which of the following foodcrops has the maximum content of proteins ? |
| A. | Cassava |
| B. | Soyabean |
| C. | Wheat |
| D. | Maize |
| Answer» C. Wheat | |
| 829. |
Hay fever is a sign of |
| A. | malnutrition |
| B. | allergy |
| C. | old age |
| D. | over work |
| Answer» C. old age | |
| 830. |
The Theory of Evolution was put forward by |
| A. | Louis Pasteur |
| B. | Aristotle |
| C. | Gregor Mendel |
| D. | Charles Darwin |
| Answer» E. | |
| 831. |
Which one of the following is not a digestive enzyme ? |
| A. | Pepsin |
| B. | Renin |
| C. | Insulin |
| D. | Amylopsin |
| Answer» D. Amylopsin | |
| 832. |
A substance that stimulates the production of antibodies when introduced into a living organism is known as |
| A. | carcinogen |
| B. | androgen |
| C. | antigen |
| D. | oestrogen |
| Answer» D. oestrogen | |
| 833. |
In a human body, the longest bone is in the |
| A. | vertebral column |
| B. | thigh |
| C. | rib cage |
| D. | arm |
| Answer» C. rib cage | |
| 834. |
Which among the following living being has respiratory organ but does not have brain ? |
| A. | crab |
| B. | starfish |
| C. | blood succor |
| D. | silverfish |
| Answer» C. blood succor | |
| 835. |
Which among the following bears smallest living cell ? |
| A. | Bacterium |
| B. | Mollusc plasma |
| C. | Virus |
| D. | Yeast |
| E. | None of these |
| Answer» F. | |
| 836. |
Dehydration in human body is caused due to the deficiency of |
| A. | Vitamin |
| B. | Salt |
| C. | Hormone |
| D. | Water |
| Answer» E. | |
| 837. |
The total number of vertebrae in a human being is |
| A. | 26 |
| B. | 30 |
| C. | 29 |
| D. | 33 |
| Answer» E. | |
| 838. |
Where did the new form of pneumonia SARS start ? |
| A. | Canada |
| B. | Singapore |
| C. | China |
| D. | Thailand |
| Answer» D. Thailand | |
| 839. |
Who among the following analysed DNA for the first time ? |
| A. | Arthur Cornberg |
| B. | Hargobind Khurana |
| C. | M. W. Nirenberg |
| D. | Watson and Krick |
| Answer» E. | |
| 840. |
Human kidney disorder is caused by the pollution of |
| A. | Cadmium |
| B. | Iron |
| C. | Cobalt |
| D. | Carbon |
| Answer» B. Iron | |
| 841. |
The chemical used for destroying Fungi in water tanks is |
| A. | Copper sulphate |
| B. | Magnesium sulphate |
| C. | Zinc sulphate |
| D. | Nitric acid |
| Answer» B. Magnesium sulphate | |
| 842. |
Glaucoma is a disease of the |
| A. | Skin |
| B. | Lungs |
| C. | Liver |
| D. | Eyes |
| Answer» E. | |
| 843. |
Which one of the following is found only in women ? |
| A. | Thyroid |
| B. | Pituitary |
| C. | Ovary |
| D. | Adenoid |
| Answer» D. Adenoid | |
| 844. |
Which of the following is most important for growth of children up to the age of 14? |
| A. | Proteins |
| B. | Vitamins |
| C. | Fats |
| D. | Milk |
| Answer» B. Vitamins | |
| 845. |
The presence of what distinguishes a plant cell from an animal cell? |
| A. | Chloroplasts |
| B. | Cell wall |
| C. | Cell membrane |
| D. | Nucleus |
| Answer» B. Cell wall | |
| 846. |
Which organ of the body never rests? |
| A. | Muscles |
| B. | Nerves |
| C. | Tongue |
| D. | Heart |
| Answer» E. | |
| 847. |
In which part of the eye lies the pigment that decides the colour of the eyes of a person? |
| A. | Cornea |
| B. | Choroid |
| C. | Iris |
| D. | Vitreous body |
| Answer» D. Vitreous body | |
| 848. |
Which organ of the body never rests ? |
| A. | Eyes |
| B. | Pancreas |
| C. | Liver |
| D. | Heart |
| Answer» E. | |
| 849. |
How many feet has a crab got? |
| A. | 12 |
| B. | 10 |
| C. | 8 |
| D. | 6 |
| Answer» D. 6 | |
| 850. |
Night blindness results from the deficiency of |
| A. | Glucose |
| B. | Vitamin-E |
| C. | Vitamin-B |
| D. | <sub>2</sub> |
| E. | Vitamin-A |
| Answer» E. Vitamin-A | |