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MCQOPTIONS
This section includes 1528 Mcqs, each offering curated multiple-choice questions to sharpen your Grade9 knowledge and support exam preparation. Choose a topic below to get started.
| 1501. |
The one cardiac cycle is classified as one |
| A. | heartbeat |
| B. | pericardial circuit |
| C. | aortic circuit |
| D. | pulmonary circuit |
| Answer» B. pericardial circuit | |
| 1502. |
The function of basophils is |
| A. | prevention of blood thickening |
| B. | supply of nitrogen to cells |
| C. | supply of oxygen to cells |
| D. | prevention of blood clotting |
| Answer» E. | |
| 1503. |
The internal hollow cavity in which the blood flows is called |
| A. | lumen |
| B. | cristae |
| C. | albumin |
| D. | none of above |
| Answer» B. cristae | |
| 1504. |
The blood received by heart is |
| A. | oxygenated blood |
| B. | deoxygenated blood |
| C. | degenerated blood |
| D. | clotted blood |
| Answer» C. degenerated blood | |
| 1505. |
The B and T lymphocytes produced by Agranulocytes are responsible for production of |
| A. | water |
| B. | antibodies |
| C. | fibrinogen |
| D. | albumin |
| Answer» C. fibrinogen | |
| 1506. |
The disease in which cholesterol and fatty materials accumulates in the wall of arteries is |
| A. | diabetic syndrome |
| B. | tuberculosis |
| C. | arteriosclerosis |
| D. | atherosclerosis |
| Answer» E. | |
| 1507. |
The B and T lymphocytes and monocytes are classified as the kind of |
| A. | granulocytes |
| B. | Agranulocytes |
| C. | megakaryocytes |
| D. | thrombocytes |
| Answer» C. megakaryocytes | |
| 1508. |
The loss of water through evaporation from the surface of plants is called |
| A. | transpiration |
| B. | water uptake |
| C. | food uptake |
| D. | mesophyll uptake |
| Answer» B. water uptake | |
| 1509. |
The type of cambium located between phloem and xylem is classified as |
| A. | shoot cambium |
| B. | root cambium |
| C. | vascular cambium |
| D. | cork cambium |
| Answer» D. cork cambium | |
| 1510. |
The nervous tissues are found in |
| A. | spinal cord and brain |
| B. | kidneys |
| C. | gall bladder and abdomen |
| D. | esophagus and bronchi |
| Answer» B. kidneys | |
| 1511. |
The cells in which endoplasmic reticulum, mitochondria and Golgi apparatus are not present are |
| A. | prokaryotic cells |
| B. | passive cells |
| C. | xylem cells |
| D. | phloem cells |
| Answer» B. passive cells | |
| 1512. |
The cells that surrounds stomatas in epidermis of leaves are called |
| A. | diffused cells |
| B. | osmotic cells |
| C. | guard cells |
| D. | hyper cells |
| Answer» D. hyper cells | |
| 1513. |
The epidermal tissues present in roots are responsible for |
| A. | respiration |
| B. | infusion |
| C. | lignin absorption |
| D. | water absorption |
| Answer» E. | |
| 1514. |
The name of the family to which humans belongs is |
| A. | thysanura |
| B. | hemiptera |
| C. | homoptera |
| D. | hominidae |
| Answer» E. | |
| 1515. |
The extinction of any animal from the ecosystem harms it |
| A. | cycle |
| B. | chain |
| C. | stability |
| D. | quality |
| Answer» D. quality | |
| 1516. |
The causes of extinction include |
| A. | deforestation |
| B. | overhunting |
| C. | habitat loss |
| D. | all of above |
| Answer» E. | |
| 1517. |
Considering the biodiversity, the animals can be classified as |
| A. | fauna |
| B. | flora |
| C. | sativum |
| D. | pisum |
| Answer» B. flora | |
| 1518. |
When a species is at risk of extinction soon it is said to be |
| A. | endangered |
| B. | extinct |
| C. | distinct |
| D. | threatened |
| Answer» E. | |
| 1519. |
The most common chemical of the primary wall is |
| A. | nucleolus |
| B. | cellulae |
| C. | cellulose |
| D. | cellulite |
| Answer» D. cellulite | |
| 1520. |
The pigment which is necessary for the process of photosynthesis is called |
| A. | chlorophyll |
| B. | glucose |
| C. | carbon |
| D. | glycogen |
| Answer» B. glucose | |
| 1521. |
The concentration environment of guard cells during day time is called |
| A. | hypotonic environment |
| B. | isotonic environment |
| C. | toning environment |
| D. | hypertonic environment |
| Answer» E. | |
| 1522. |
The double membrane organelle which is found in eukaryotic cells is |
| A. | cell membrane |
| B. | ribosomes |
| C. | nucleus |
| D. | mitochondria |
| Answer» E. | |
| 1523. |
The epidermal tissues present in leaves and stems are responsible for secretion of |
| A. | lignin |
| B. | cutin |
| C. | tubulin |
| D. | actin |
| Answer» C. tubulin | |
| 1524. |
The particular area in which organisms live in an environment is called |
| A. | habitat |
| B. | community |
| C. | ecosphere |
| D. | species |
| Answer» B. community | |
| 1525. |
The famous Bu Ali Sina is also known as founder of |
| A. | physics |
| B. | medicine |
| C. | philosophy |
| D. | astronomy |
| Answer» C. philosophy | |
| 1526. |
The types of plant tissues include |
| A. | ground tissue only |
| B. | nervous tissue only |
| C. | nervous tissues |
| D. | ground and epidermal tissues |
| Answer» E. | |
| 1527. |
The Earth's part which is inhabited by communities of organisms is called |
| A. | thermosphere |
| B. | mesosphere |
| C. | troposphere |
| D. | biosphere |
| Answer» E. | |
| 1528. |
The scientific name of the Mustard plant is |
| A. | Brassica Campestris |
| B. | Rana tigrina |
| C. | Homo sapiens |
| D. | Brassica |
| Answer» B. Rana tigrina | |