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.
| 4551. |
When was the word cell first used? |
| A. | by Fleming |
| B. | by Leuven Hooke |
| C. | by Robert Hooke |
| D. | by Robert Hooke |
| Answer» E. | |
| 4552. |
Made by dead cells? |
| A. | phloem |
| B. | endodermis |
| C. | epidermis |
| D. | xylem |
| Answer» D. xylem | |
| 4553. |
Which system of the body does swine flu affect? |
| A. | Nervous system |
| B. | the respiratory system |
| C. | skeletal system |
| D. | none of the suitable |
| Answer» C. skeletal system | |
| 4554. |
The cell theory was propounded by? |
| A. | by Darwin and Wallace |
| B. | By Schliden and Schwann |
| C. | by Watson and Crick |
| D. | by Mendel and George |
| Answer» C. by Watson and Crick | |
| 4555. |
Which of the following insect is a social animal? |
| A. | house fly |
| B. | Mosquito |
| C. | Groom |
| D. | honey bee |
| Answer» E. | |
| 4556. |
Agriculture is which of the following? |
| A. | honey bee |
| B. | silkworm rearing |
| C. | Fisheries |
| D. | none of these |
| Answer» B. silkworm rearing | |
| 4557. |
The largest cell found in the human body is? |
| A. | kidney cells |
| B. | muscle cells |
| C. | liver cells |
| D. | nervous system cells |
| Answer» E. | |
| 4558. |
Wax is obtained from which of the following? |
| A. | labor |
| B. | queen bee |
| C. | male fly |
| D. | none of these |
| Answer» B. queen bee | |
| 4559. |
Which is the most suitable method of cattle breeding? |
| A. | controlled breeding |
| B. | External ovulation and embryo transfer |
| C. | Artificial insemination |
| D. | random meeting |
| Answer» D. random meeting | |
| 4560. |
Is the myrrh worm its destroyer? |
| A. | Cotton |
| B. | wheat |
| C. | Sugarcane |
| D. | Grain |
| Answer» E. | |
| 4561. |
Rust is a fungal disease of which plant? |
| A. | Grain |
| B. | Mustard |
| C. | gram |
| D. | Wheat |
| Answer» E. | |
| 4562. |
What are unwanted plants called? |
| A. | bush |
| B. | hell |
| C. | grass |
| D. | Weed |
| Answer» E. | |
| 4563. |
Elements required in large quantities by plants? |
| A. | nitrogen |
| B. | Phosphorus |
| C. | calcium |
| D. | Sulphur |
| Answer» B. Phosphorus | |
| 4564. |
The study of growing and maintaining vegetables is called? |
| A. | horticulture |
| B. | agronomy |
| C. | oily culture |
| D. | Agriculture |
| Answer» D. Agriculture | |
| 4565. |
Green revolution and white revolution are related respectively? |
| A. | Food and egg production |
| B. | food and fish production |
| C. | oil and milk production |
| D. | food and milk production |
| Answer» E. | |
| 4566. |
In how many months is the production of zayed crops mainly done? |
| A. | between November to April |
| B. | between june to october |
| C. | between March and June |
| D. | none of these |
| Answer» D. none of these | |
| 4567. |
Who first used the word gene? |
| A. | Watson |
| B. | johansson |
| C. | waldair |
| D. | cricket |
| Answer» C. waldair | |
| 4568. |
Root nodules with nitrogen fixing bacteria are present in? |
| A. | Mustard |
| B. | Cotton |
| C. | gram |
| D. | wheat |
| Answer» D. wheat | |
| 4569. |
In which real nucleus is absent? |
| A. | in bacteria |
| B. | in lichens |
| C. | in fungi |
| D. | in green algae |
| Answer» B. in lichens | |
| 4570. |
Invented the interstellar lattice? |
| A. | by Sutton |
| B. | Roberts |
| C. | Watson |
| D. | the porter |
| Answer» E. | |
| 4571. |
For which invention Hargobind Khurana was awarded? |
| A. | for protein synthesis |
| B. | for the synthesis of nitrogenous bases |
| C. | for gene synthesis |
| D. | none of these |
| Answer» D. none of these | |
| 4572. |
What gives a cell a definite shape? |
| A. | Central |
| B. | cell membrane |
| C. | cell wall |
| D. | golgi body |
| Answer» D. golgi body | |
| 4573. |
When we eat goat meat then we are? |
| A. | are primary consumers |
| B. | the third consumer |
| C. | secondary consumers are |
| D. | none of these |
| Answer» D. none of these | |
| 4574. |
The outermost covering of plant cells is called? |
| A. | endoplasmic reticulum |
| B. | cell membrane |
| C. | cell wall |
| D. | tonoplast |
| Answer» D. tonoplast | |
| 4575. |
What is the cellular and molecular control of programmed cell death called? |
| A. | Aging |
| B. | apoptosis |
| C. | necrosis |
| D. | degeneration |
| Answer» B. apoptosis | |
| 4576. |
What is a cell wall? |
| A. | semi permeable |
| B. | permeable |
| C. | Inaccessible |
| D. | selective permeation |
| Answer» C. Inaccessible | |
| 4577. |
Measles is caused by which of the following infections? |
| A. | bacteria |
| B. | Mycoplasma |
| C. | Virus |
| D. | algae |
| Answer» D. algae | |
| 4578. |
What is genetics related to? |
| A. | blood pressure |
| B. | heredity |
| C. | the respiratory system |
| D. | Digestive System |
| Answer» C. the respiratory system | |
| 4579. |
The virus which causes fatal disease due to dog bite is called? |
| A. | cholera |
| B. | dysentery |
| C. | mums |
| D. | hydrophobia |
| Answer» E. | |
| 4580. |
What is the study of population called? |
| A. | torpedology |
| B. | Teleology |
| C. | Demography |
| D. | Geography |
| Answer» D. Geography | |
| 4581. |
Who invented Leprosy Bacillus? |
| A. | the coach |
| B. | Harvey has |
| C. | Fleming |
| D. | by hansen |
| Answer» E. | |
| 4582. |
The study of the shell of the animals of the Mollusca community is called? |
| A. | Concology |
| B. | ecology |
| C. | malacology |
| D. | porology |
| Answer» B. ecology | |
| 4583. |
In whom does Tikka disease occur? |
| A. | Fever |
| B. | Sugarcane |
| C. | rice |
| D. | Peanut |
| Answer» E. | |
| 4584. |
Iodine is obtained from which algae? |
| A. | adgonium |
| B. | ulothrix |
| C. | Ectocarpus |
| D. | laminaria |
| Answer» E. | |
| 4585. |
Hydrophobia is caused by? |
| A. | Virus |
| B. | bacteria |
| C. | Yeast |
| D. | Protozoa` |
| Answer» B. bacteria | |
| 4586. |
Who discovered the virus first? |
| A. | Ivanovsky |
| B. | edward jenner |
| C. | Linnaeus |
| D. | smith |
| Answer» B. edward jenner | |
| 4587. |
Which of the following does not contain enzymes? |
| A. | Virus |
| B. | bacteria |
| C. | algae |
| D. | Lichen |
| Answer» B. bacteria | |
| 4588. |
Which of the following diseases is caused by bacterial infection? |
| A. | dysentery |
| B. | Damma |
| C. | leprosy |
| D. | all these |
| Answer» D. all these | |
| 4589. |
Which of the following is autotrophic? |
| A. | algae |
| B. | Virus |
| C. | fungus |
| D. | protozoa |
| Answer» B. Virus | |
| 4590. |
What is the reason for the curdling of milk? |
| A. | lactobacillus |
| B. | mycobacterium |
| C. | yeast |
| D. | none of these |
| Answer» B. mycobacterium | |
| 4591. |
Who developed the vaccine for smallpox? |
| A. | Milstein |
| B. | by edward jenner |
| C. | by Leigh Pasteur |
| D. | none of these |
| Answer» C. by Leigh Pasteur | |
| 4592. |
Which of the following makes milk sour? |
| A. | virus |
| B. | bacteria |
| C. | Nematode |
| D. | protozoa |
| Answer» C. Nematode | |
| 4593. |
Red House disease occurs in the throat? |
| A. | by bacteria |
| B. | by nematode |
| C. | by fungi |
| D. | by viruses |
| Answer» D. by viruses | |
| 4594. |
Which of the following is an edible fungus? |
| A. | penicillium |
| B. | Mucker |
| C. | rhizopus |
| D. | Agaricus |
| Answer» E. | |
| 4595. |
In the language of pathology, the presence of excessive amount of white blood cells in the blood is called? |
| A. | anoxia |
| B. | septicemia |
| C. | anemia |
| D. | leukemia |
| Answer» E. | |
| 4596. |
Which of the following B vitamins |
| A. | Riboflavin |
| B. | thiamine |
| C. | Pyridaxine |
| D. | retinal |
| Answer» E. | |
| 4597. |
Where does digestion begin in humans? |
| A. | rectum |
| B. | Duodenum |
| C. | mouth |
| D. | stomach |
| Answer» D. stomach | |
| 4598. |
What is affected by jaundice? |
| A. | stomach |
| B. | small intestine |
| C. | liver |
| D. | none of these |
| Answer» D. none of these | |
| 4599. |
Which of the following genetic diseases is sex-related? |
| A. | hemophilia |
| B. | tay-sachs disease |
| C. | cystic fibrosis |
| D. | hyper tension |
| Answer» B. tay-sachs disease | |
| 4600. |
Aflatoxin? |
| A. | snake venom |
| B. | toxin produced by fungus |
| C. | Antibiotics |
| D. | toxin produced by bacteria |
| Answer» C. Antibiotics | |