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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.
| 1451. |
The kind of fatty acids whose carbon atoms are bonded to the hydrogen atoms are called |
| A. | nitric fatty acids |
| B. | citric fatty acids |
| C. | acetone fatty acids |
| D. | saturated fatty acids |
| Answer» E. | |
| 1452. |
The main sections of alimentary canal includes |
| A. | pharynx and stomach |
| B. | oral cavity and esophagus |
| C. | large and small intestine |
| D. | all of above |
| Answer» E. | |
| 1453. |
The gland which is located on right side of abdomen beneath the diaphragm is |
| A. | liver |
| B. | pituitary gland |
| C. | stomach |
| D. | thyroid gland |
| Answer» B. pituitary gland | |
| 1454. |
The electrons of Transmission Electron Microscope are transmitted through |
| A. | photographic film |
| B. | vacuum chamber |
| C. | glass funnel |
| D. | specimen |
| Answer» E. | |
| 1455. |
The Dutch naturalist who observed first living cells is |
| A. | Bruce Albert |
| B. | Antonie van Leeuwenhoek |
| C. | Ernst Haeckel |
| D. | Richard Alexander |
| Answer» C. Ernst Haeckel | |
| 1456. |
The Deoxyribonucleic Acid (DNA) stands for |
| A. | deoxyribonucleic acid |
| B. | dicotyledonous nuclei |
| C. | deoxidized nuclei |
| D. | all of above |
| Answer» B. dicotyledonous nuclei | |
| 1457. |
The environment in which net uptake of water is so low that the cell becomes flaccid is |
| A. | toning environment |
| B. | hypertonic environment |
| C. | hypotonic environment |
| D. | isotonic environment |
| Answer» E. | |
| 1458. |
The measure of the clarity of a particular object is classified as |
| A. | resolution only |
| B. | resolving power only |
| C. | up gradation |
| D. | resolution and resolving power |
| Answer» E. | |
| 1459. |
The weight of liver in adult humans is about |
| A. | 0.5 kg |
| B. | 1.5 kg |
| C. | 2.7 kg |
| D. | 3.2 kg |
| Answer» C. 2.7 kg | |
| 1460. |
The macronutrients include all except |
| A. | potassium |
| B. | iron |
| C. | magnesium |
| D. | nitrogen |
| Answer» C. magnesium | |
| 1461. |
The excess amount of nitrogen leads to |
| A. | delayed fruiting only |
| B. | delayed flowering only |
| C. | rapid fruiting |
| D. | delayed fruiting and flowering |
| Answer» E. | |
| 1462. |
The first ten inches of the small intestine is classified as |
| A. | salivary amylase |
| B. | sphincter |
| C. | gastric glands |
| D. | duodenum |
| Answer» E. | |
| 1463. |
The groups in which vitamins can be divided are |
| A. | fat-soluble vitamins only |
| B. | water-soluble vitamins only |
| C. | oxygen-soluble vitamins |
| D. | fat and water soluble vitamins |
| Answer» E. | |
| 1464. |
The form of material the cell takes in during phagocytosis is |
| A. | frozen form |
| B. | solid form |
| C. | liquid form |
| D. | gaseous form |
| Answer» C. liquid form | |
| 1465. |
Considering the types of endocytosis, the pinocytosis means cellular |
| A. | respiration |
| B. | osmosis |
| C. | drinking |
| D. | eating |
| Answer» D. eating | |
| 1466. |
The distance between two points at which human eye can differentiate separately is |
| A. | 0.03 mm apart |
| B. | 0.05 mm apart |
| C. | 0.5 mm apart |
| D. | 0.1 mm apart |
| Answer» E. | |
| 1467. |
The cambium located on lateral parts of plants on the outer side is called |
| A. | vascular cambium |
| B. | cork cambium |
| C. | shoot cambium |
| D. | root cambium |
| Answer» C. shoot cambium | |
| 1468. |
The cells that are specialized in conducting messages in the form of nerve impulses are called |
| A. | skeletal cells |
| B. | cardiac cells |
| C. | nerve cells |
| D. | epidermal cells |
| Answer» D. epidermal cells | |
| 1469. |
The redox reaction in living organisms involves the gain and loss of |
| A. | carbon atoms |
| B. | nitrogen atoms |
| C. | hydrogen atoms |
| D. | oxygen atoms |
| Answer» D. oxygen atoms | |
| 1470. |
The high-energy molecules that are made by capturing light energy are |
| A. | Adenosine monophosphate (AMP) and Adenosine diphosphate (ADP) |
| B. | Adenosine monophosphate (AMP) and ATP |
| C. | Nicotinamide adenine dinucleotide phosphate (NADPH) and Adenosine triphosphate (ATP) |
| D. | Adenosine triphosphate (ATP and Deoxyribonucleic Acid (DNA) |
| Answer» D. Adenosine triphosphate (ATP and Deoxyribonucleic Acid (DNA) | |
| 1471. |
The factors that can act as limiting factors for the photosynthesis process includes |
| A. | light intensity |
| B. | availability of water |
| C. | concentration of carbon dioxide |
| D. | all of above |
| Answer» E. | |
| 1472. |
The British biochemist who discovered the series of reactions involved in the mechanism of respiration is |
| A. | Sir Melvin Calvin |
| B. | Sir Hans Calvin |
| C. | Sir Hans Krebs |
| D. | Sir Hans Melvin |
| Answer» D. Sir Hans Melvin | |
| 1473. |
The example of an activity which follows the catabolic mechanism is |
| A. | photosynthesis |
| B. | respiration |
| C. | electrolysis |
| D. | glycolysis |
| Answer» C. electrolysis | |
| 1474. |
The branch of biology 'embryology' deals with the study of |
| A. | tissues |
| B. | organelles |
| C. | genetics |
| D. | embryo development |
| Answer» E. | |
| 1475. |
The example of an organism which shows the colonial organization is |
| A. | amoeba |
| B. | euglena |
| C. | paramecium |
| D. | Volvox |
| Answer» E. | |
| 1476. |
The study of life in a scientific manner is called |
| A. | biology |
| B. | geology |
| C. | anatomy |
| D. | entomology |
| Answer» B. geology | |
| 1477. |
The branch of biology 'paleontology' which deals with the study of |
| A. | insects |
| B. | fossils |
| C. | parasites |
| D. | welfare of mankind |
| Answer» C. parasites | |
| 1478. |
Organisms having many organelles are called |
| A. | prokaryotes |
| B. | eukaryotes |
| C. | protist |
| D. | unicellular |
| Answer» C. protist | |
| 1479. |
The stratified squamous epithelium tissues is present in |
| A. | end of bones and trachea |
| B. | lungs and kidneys |
| C. | urinary bladder and kidneys |
| D. | mouth and esophagus |
| Answer» E. | |
| 1480. |
The network of microtubules and microfilaments is classified as |
| A. | endoplasmic skeleton |
| B. | vertebral skeleton |
| C. | active skeleton |
| D. | cytoskeleton |
| Answer» D. cytoskeleton | |
| 1481. |
The tissue that forms a complete communication system and performs the function of information transmission is |
| A. | endoplasmic tissues |
| B. | centrosome tissue |
| C. | nucleotide tissue |
| D. | nervous tissue |
| Answer» E. | |
| 1482. |
The meristems that are located on lateral sides of shoot and roots are called |
| A. | cutin meristems |
| B. | lateral meristems |
| C. | vascular meristems |
| D. | epidermal meristems |
| Answer» C. vascular meristems | |
| 1483. |
Two glass lenses are used in |
| A. | compound microscope |
| B. | light microscope |
| C. | electron microscope |
| D. | simple microscope |
| Answer» C. electron microscope | |
| 1484. |
The function of centriole is the formation of |
| A. | cytoplasm |
| B. | mitochondria |
| C. | spindle fibers |
| D. | vacuoles |
| Answer» D. vacuoles | |
| 1485. |
The leucoplasts are plastids that stores |
| A. | proteins |
| B. | lipids |
| C. | starch |
| D. | all of above |
| Answer» E. | |
| 1486. |
A photograph which is taken from a microscope is called |
| A. | photograph |
| B. | micrograph |
| C. | diagraph |
| D. | graph |
| Answer» C. diagraph | |
| 1487. |
The cells that are round for accommodating globular hemoglobin are |
| A. | mitotic cells |
| B. | transparent cells |
| C. | white blood cells |
| D. | red blood cells |
| Answer» E. | |
| 1488. |
The layer which gives elasticity and fluidity to the membrane is |
| A. | lipid bilayer |
| B. | mosaic bilayer |
| C. | acidic bilayer |
| D. | manganese bilayer |
| Answer» B. mosaic bilayer | |
| 1489. |
The scientist Jabir Bin Hayan was born in |
| A. | 941 AD |
| B. | 621 AD |
| C. | 721 AD |
| D. | 841 AD |
| Answer» D. 841 AD | |
| 1490. |
The structures of an atom are formed by many |
| A. | subatomic particles |
| B. | atoms |
| C. | ions |
| D. | charges |
| Answer» B. atoms | |
| 1491. |
In biology field the latest profession is |
| A. | biotechnology |
| B. | bioinformatics |
| C. | biochemistry |
| D. | biophysics |
| Answer» B. bioinformatics | |
| 1492. |
The time of the year when mustard plants produce seeds is |
| A. | end of autumn |
| B. | end of spring |
| C. | end of summer |
| D. | end of winter |
| Answer» E. | |
| 1493. |
The assembling of different populations that interacts with one another in the same environment is classified as |
| A. | biosphere |
| B. | abiotic phylum |
| C. | habitat |
| D. | community |
| Answer» E. | |
| 1494. |
The kind of cellular organization in which organisms lacks multicellular sex organs is classified as simple |
| A. | gametophyte |
| B. | multicellular |
| C. | unicellular |
| D. | sporophyte |
| Answer» C. unicellular | |
| 1495. |
Forests are regarded as valuable for its |
| A. | aesthetic beauty |
| B. | cultural resource |
| C. | tourism |
| D. | all of above |
| Answer» E. | |
| 1496. |
Biodiversity is also regarded as |
| A. | natural diversity |
| B. | national diversity |
| C. | artificial diversity |
| D. | primary diversity |
| Answer» B. national diversity | |
| 1497. |
Biological resources are used to manufacture |
| A. | drugs |
| B. | plastic |
| C. | clothes |
| D. | furniture |
| Answer» B. plastic | |
| 1498. |
Considering five kingdom classification, the kingdom Monera consists of |
| A. | acellular |
| B. | simple multicellular |
| C. | prokaryotic organisms |
| D. | eukaryotic unicellular |
| Answer» D. eukaryotic unicellular | |
| 1499. |
The trunk which carries the blood to lungs is called |
| A. | aortic trunk |
| B. | pericardium trunk |
| C. | pericardial trunk |
| D. | pulmonary trunk |
| Answer» E. | |
| 1500. |
The protein which is known as blood clotting protein is |
| A. | fibrinogen |
| B. | hydrogen |
| C. | nitrogen |
| D. | albumin |
| Answer» B. hydrogen | |