MCQOPTIONS
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MCQOPTIONS
This section includes 1098 Mcqs, each offering curated multiple-choice questions to sharpen your Grade6 knowledge and support exam preparation. Choose a topic below to get started.
| 701. |
The tiny opening surrounded by guard cells under the leaf is known as |
| A. | stigma |
| B. | stomata |
| C. | leaves |
| D. | pollen grain |
| Answer» C. leaves | |
| 702. |
The process for metabolism, energy and reproduction is generally known as |
| A. | photosynthesis |
| B. | respiration |
| C. | transpiration |
| D. | organism |
| Answer» C. transpiration | |
| 703. |
Gaseous exchange in plants take place through |
| A. | epidermis |
| B. | cuticle |
| C. | lenticel |
| D. | stomata |
| Answer» E. | |
| 704. |
Air is important on earth because it has necessary components essential for the life of |
| A. | plants |
| B. | animals |
| C. | organism |
| D. | plants, animals and other organisms |
| Answer» E. | |
| 705. |
The percentage composition of oxygen in air is |
| A. | 21% |
| B. | 31% |
| C. | 41% |
| D. | 51% |
| Answer» B. 31% | |
| 706. |
In humid areas, the water vapor content is |
| A. | higher |
| B. | lower |
| C. | constant |
| D. | none of them |
| Answer» B. lower | |
| 707. |
The sphere that prevent the ultraviolet rays from sun is known as |
| A. | exosphere |
| B. | troposphere |
| C. | atmosphere |
| D. | stratosphere |
| Answer» D. stratosphere | |
| 708. |
The left over gas after the process of combustion is generally |
| A. | oxygen |
| B. | argon |
| C. | nitrogen |
| D. | carbon dioxide |
| Answer» D. carbon dioxide | |
| 709. |
The sharp vision of close objects but blur vision of distant objects is known as |
| A. | blur vision |
| B. | farsighted |
| C. | nearsighted |
| D. | refractive error |
| Answer» D. refractive error | |
| 710. |
Our sense of smell also helps us recognize the |
| A. | tastes |
| B. | temperature |
| C. | environment |
| D. | time |
| Answer» B. temperature | |
| 711. |
Optic nerves carry impulses to the brain to help us in good |
| A. | waves |
| B. | volume |
| C. | vision |
| D. | smell |
| Answer» D. smell | |
| 712. |
The organs that process the impulses and send them to the brain for a suitable response are known as |
| A. | nervous system |
| B. | sense organ |
| C. | Circulatory system |
| D. | endocrine glands |
| Answer» C. Circulatory system | |
| 713. |
The bad affect of blur vision of distant objects is known as |
| A. | nearsighted |
| B. | refractive error |
| C. | blur vision |
| D. | farsightedness |
| Answer» B. refractive error | |
| 714. |
The major use of nitrogen is production of |
| A. | acid |
| B. | ammonia |
| C. | nitrate |
| D. | sulphate |
| Answer» C. nitrate | |
| 715. |
Nitrogen gas and nitrogen compounds, both have very important |
| A. | industrial uses |
| B. | domestic uses |
| C. | space uses |
| D. | none of them |
| Answer» B. domestic uses | |
| 716. |
The most abundant element is oxygen within the |
| A. | Earth's crust |
| B. | moon |
| C. | mars |
| D. | none of them |
| Answer» B. moon | |
| 717. |
The process in which energy is released by the combination of glucose and oxygen is known as |
| A. | digestion |
| B. | photosynthesis |
| C. | respiration |
| D. | rusting |
| Answer» D. rusting | |
| 718. |
Both gas and liquids are fluids. Fluids are substances which don't have fixed |
| A. | shape |
| B. | color |
| C. | style |
| D. | size |
| Answer» B. color | |
| 719. |
Milk and curry left over can be turned into sour n spoiled at |
| A. | high temperature |
| B. | very low temperature |
| C. | room temperature |
| D. | constant temperature |
| Answer» D. constant temperature | |
| 720. |
Microbes can live in |
| A. | living things |
| B. | non-living things |
| C. | both a and b |
| D. | dead bodies |
| Answer» D. dead bodies | |
| 721. |
Bacteria which is present in raw or undercooked meat, eggs, sea food and unpasteurized milk is |
| A. | E.coli |
| B. | salmonella |
| C. | staphylococcus |
| D. | cyano bacteria |
| Answer» C. staphylococcus | |
| 722. |
Plant of tobacco is attacked by virus |
| A. | tobacco virus |
| B. | tobacco mosaic virus |
| C. | tobacco mosaic |
| D. | mosaic virus |
| Answer» C. tobacco mosaic | |
| 723. |
Agents in infectious diseases responsible are called |
| A. | germs |
| B. | cells |
| C. | virus |
| D. | bacteria |
| Answer» B. cells | |
| 724. |
AIDS, Rubella, influenza, mumps and hepatitis is caused by |
| A. | virus |
| B. | bacteria |
| C. | fungi |
| D. | poison |
| Answer» B. bacteria | |
| 725. |
Other name for living things is |
| A. | man |
| B. | animal |
| C. | organism |
| D. | micro-organism |
| Answer» D. micro-organism | |
| 726. |
Microorganisms are |
| A. | tiny |
| B. | big |
| C. | medium |
| D. | larger |
| Answer» B. big | |
| 727. |
Medicines are used to |
| A. | prevent diseases |
| B. | treat diseases |
| C. | both a and b |
| D. | kill people |
| Answer» D. kill people | |
| 728. |
The dead organic waste matter is known as |
| A. | carne |
| B. | food |
| C. | plant |
| D. | detritus |
| Answer» E. | |
| 729. |
A bird which remove ticks and other skin parasites from skin of any mammal like zebra is known as |
| A. | woodpecker |
| B. | oxpecker |
| C. | eagle |
| D. | crow |
| Answer» C. eagle | |
| 730. |
Source of water are sparse and may be found after a hundred miles in |
| A. | desert |
| B. | mountains |
| C. | tropical rainforest |
| D. | plains |
| Answer» B. mountains | |
| 731. |
The physical environments facing organisms living in aquatic and land habitats are very |
| A. | same |
| B. | different |
| C. | common |
| D. | none of them |
| Answer» C. common | |
| 732. |
Organism that eats another organism is known as |
| A. | Prey |
| B. | Predator |
| C. | animal |
| D. | organism |
| Answer» C. animal | |
| 733. |
Respiratory system contains organs necessary for the process of |
| A. | photosynthesis |
| B. | respiration |
| C. | rusting |
| D. | combustion |
| Answer» C. rusting | |
| 734. |
Oxygen is used in the manufacture of |
| A. | glass |
| B. | medicine |
| C. | metal |
| D. | chemical |
| Answer» D. chemical | |
| 735. |
People having respiratory problems like asthma, are dosed medically with |
| A. | calcium |
| B. | oxygen |
| C. | nitrogen |
| D. | magnesium |
| Answer» C. nitrogen | |
| 736. |
The process of trapping some of the heat from the sun to maintain the life on earth is known as |
| A. | equilibrium |
| B. | greenhouse effect |
| C. | none of them |
| D. | global warming |
| Answer» C. none of them | |
| 737. |
In respiration glucose and oxygen combine together to form |
| A. | carbon dioxide & water |
| B. | oxygen & water |
| C. | many gases |
| D. | nitrogen & oxygen |
| Answer» B. oxygen & water | |
| 738. |
Hydrogen is also used in |
| A. | paint industries |
| B. | fertilizer |
| C. | rocket fuel |
| D. | all of them |
| Answer» E. | |
| 739. |
A common method of separating an insoluble solid from a liquid is known as |
| A. | distillation |
| B. | filtration |
| C. | evaporation |
| D. | sublimation |
| Answer» C. evaporation | |
| 740. |
When a gas is condensed below its boiling point, its state changes into |
| A. | mineral |
| B. | solid |
| C. | gas |
| D. | liquid |
| Answer» E. | |
| 741. |
Simple chromatography is carried out on |
| A. | napkin |
| B. | book |
| C. | paper |
| D. | tissue paper |
| Answer» D. tissue paper | |
| 742. |
The shiny appearance is found in a |
| A. | metal |
| B. | transparent |
| C. | non-metal |
| D. | solid |
| Answer» B. transparent | |
| 743. |
Laser surgery changes the shape of the eye by the use of |
| A. | glasses |
| B. | lens |
| C. | medicine |
| D. | laser beam |
| Answer» E. | |
| 744. |
A thin, semi-transparent, flexible membrane is known as |
| A. | ear lobe |
| B. | ear canal |
| C. | ear drum |
| D. | pinna |
| Answer» D. pinna | |
| 745. |
Something that causes a response is known as |
| A. | senses |
| B. | stimuli |
| C. | sensor |
| D. | reflex |
| Answer» C. sensor | |
| 746. |
Contact lenses are soft, transparent lenses that float on |
| A. | cornea |
| B. | pupil |
| C. | sclera |
| D. | retina |
| Answer» B. pupil | |
| 747. |
Part of eye that refracts light towards the retina and changes the shape according to the distance of object is known as |
| A. | retina |
| B. | lens |
| C. | iris |
| D. | cornea |
| Answer» C. iris | |
| 748. |
A group of organs that works together to convert food into basic components for assimilation is known as |
| A. | skeletal system |
| B. | respiratory system |
| C. | nervous system |
| D. | digestive system |
| Answer» E. | |
| 749. |
Tissues that provide movement of body are known as |
| A. | nerve tissue |
| B. | epidermal tissues |
| C. | muscle tissue |
| D. | epithelial tissue |
| Answer» D. epithelial tissue | |
| 750. |
Blood can be examined by an automated machine known as |
| A. | telescope |
| B. | microscope |
| C. | microphone |
| D. | Polari meter |
| Answer» C. microphone | |