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This section includes 1844 Mcqs, each offering curated multiple-choice questions to sharpen your Grade10 knowledge and support exam preparation. Choose a topic below to get started.
| 1501. |
The example of natural vegetative propagation does not include |
| A. | corals |
| B. | bulbs |
| C. | corms |
| D. | rhizomes |
| Answer» B. bulbs | |
| 1502. |
The female reproductive part of the flower is called |
| A. | androecium |
| B. | gynoecium |
| C. | carpel |
| D. | stamen |
| Answer» C. carpel | |
| 1503. |
The joints that allow a wide range of movements are called |
| A. | ball-and-socket joints |
| B. | moveable joints |
| C. | slightly moveable joints |
| D. | immoveable joints |
| Answer» C. slightly moveable joints | |
| 1504. |
Which of the following is the inflammation of bones? |
| A. | osteoporosis |
| B. | arthritis |
| C. | gout |
| D. | osteoarthritis |
| Answer» C. gout | |
| 1505. |
The outer layer of the bone which is harder than other tissues is called |
| A. | connecting bones |
| B. | protective bones |
| C. | compact bone |
| D. | spongy bone |
| Answer» D. spongy bone | |
| 1506. |
The joints that allow human bones to move in all directions are called |
| A. | fixed joints |
| B. | slightly moveable joints |
| C. | hinge joints |
| D. | ball-and-socket joints |
| Answer» E. | |
| 1507. |
Considering the human skeleton, the collagen fibers are located in |
| A. | matrix of osteocytes |
| B. | matrix of cartilage |
| C. | matrix of ligaments |
| D. | matrix of tendons |
| Answer» C. matrix of ligaments | |
| 1508. |
Considering the fermentation at the industrial level, the microorganism Bacillus is used to form |
| A. | ethanol |
| B. | formic acid |
| C. | acrylic acid |
| D. | glycerol |
| Answer» D. glycerol | |
| 1509. |
Process of using living organisms to develop products is known as |
| A. | genome engineering |
| B. | medical engineering |
| C. | biotechnology |
| D. | bioengineering |
| Answer» D. bioengineering | |
| 1510. |
The acrylic is used at the industry level for the production of |
| A. | vinegar |
| B. | cosmetics |
| C. | plastics |
| D. | leather treatment |
| Answer» D. leather treatment | |
| 1511. |
The bacteria which carries the lactic acid fermentation is |
| A. | lactobacillus |
| B. | lactobacillus cerevisiae |
| C. | Wilmot cerevisiae |
| D. | saccharomyces cerevisiae |
| Answer» B. lactobacillus cerevisiae | |
| 1512. |
Which of the following microorganisms is used for the production of Glycerol |
| A. | aspergillus |
| B. | saccharomyces |
| C. | bacillus |
| D. | archaea |
| Answer» C. bacillus | |
| 1513. |
Which of the following is a group of the cell bodies of neurons enveloped by a membrane? |
| A. | ganglion |
| B. | nerve impulse |
| C. | sensory nerve |
| D. | motor nerve |
| Answer» B. nerve impulse | |
| 1514. |
Olfactory bulbs create a sense of |
| A. | vision |
| B. | hearing |
| C. | taste |
| D. | smell |
| Answer» E. | |
| 1515. |
The ventral root of the spinal cord contains axons of |
| A. | sensory neuron |
| B. | motor neuron |
| C. | mixed neuron |
| D. | spinal neurons |
| Answer» C. mixed neuron | |
| 1516. |
All the spinal nerves in the peripheral nervous system are classified as |
| A. | temporal nerves |
| B. | sensory nerves |
| C. | motor nerves |
| D. | mixed nerves |
| Answer» E. | |
| 1517. |
The kind of feedback in which the output of procedure inhibits or decreases the procedure is called |
| A. | positive feedback |
| B. | reverse feedback |
| C. | negative feedback |
| D. | multidirectional feedback |
| Answer» D. multidirectional feedback | |
| 1518. |
The jumping impulse move over myelin from |
| A. | end to end |
| B. | node to node |
| C. | start to end |
| D. | axon to dendrite |
| Answer» C. start to end | |
| 1519. |
The embryonic stem cells are used to repair the degenerating |
| A. | endocrine glands |
| B. | brain cells |
| C. | nerve cells |
| D. | Schwann cell |
| Answer» C. nerve cells | |
| 1520. |
Ali ibn Isa wrote a book on |
| A. | entomology |
| B. | physiology |
| C. | ophthalmology |
| D. | genetic |
| Answer» D. genetic | |
| 1521. |
Any kind of change in the internal or external environment which can cause a response in any organism is called |
| A. | stimuli |
| B. | receptors |
| C. | coordinators |
| D. | effectors |
| Answer» B. receptors | |
| 1522. |
The parasympathetic system and the sympathetic system are two systems of |
| A. | central nervous system |
| B. | reflexive nervous system |
| C. | autonomic nervous system |
| D. | ventral nervous system |
| Answer» D. ventral nervous system | |
| 1523. |
Considering the structure of Deoxyribonucleic Acid (DNA), the meiosis in it leads to the |
| A. | separation of chromosomes |
| B. | separation of ribosome |
| C. | separation of nucleosomes |
| D. | separation of hydrogen bonds |
| Answer» B. separation of ribosome | |
| 1524. |
In Mendel's experiment, the ratio of round seeds to wrinkled seeds are |
| A. | 1 round : 3 wrinkled |
| B. | 4 round : no wrinkled |
| C. | 3 round : 1 wrinkled |
| D. | 2 round : 2 wrinkled |
| Answer» D. 2 round : 2 wrinkled | |
| 1525. |
The example of traits includes |
| A. | color of eyes |
| B. | height |
| C. | intelligence |
| D. | all of above |
| Answer» E. | |
| 1526. |
A diagram that is used to predict an outcome of a particular cross or breeding experiment is called |
| A. | graph |
| B. | flow chart |
| C. | Punnett square |
| D. | pyramid |
| Answer» D. pyramid | |
| 1527. |
The alleles that are represented by lower case letters are |
| A. | hybrid allele |
| B. | monohybrid allele |
| C. | dominant allele |
| D. | recessive allele |
| Answer» E. | |
| 1528. |
The cells that line the sac-like structure of each alveolus are called |
| A. | epithelial cells |
| B. | pulmonary cells |
| C. | alveoli |
| D. | bronchus |
| Answer» B. pulmonary cells | |
| 1529. |
The amount of oxygen present in inspired air is |
| A. | 0.16 |
| B. | 0.28 |
| C. | 0.21 |
| D. | 0.25 |
| Answer» D. 0.25 | |
| 1530. |
The amount of carbon dioxide (CO2) present in the inspired air is |
| A. | 0.0006 |
| B. | 0.0004 |
| C. | 0.04 |
| D. | 0.06 |
| Answer» C. 0.04 | |
| 1531. |
How many lobes right lung has? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 1532. |
The disorder in which, bronchi are inflamed and more mucus production occurs is |
| A. | emphysema |
| B. | asthma |
| C. | pneumonia |
| D. | bronchitis |
| Answer» C. pneumonia | |
| 1533. |
The pair of lungs are present in the cavity known as |
| A. | epithelia cavity |
| B. | pulmonary cavity |
| C. | thoracic cavity |
| D. | chest cavity |
| Answer» D. chest cavity | |
| 1534. |
The number of lobes in the left lung is |
| A. | two |
| B. | three |
| C. | four |
| D. | five |
| Answer» B. three | |
| 1535. |
The amount of carbon dioxide (CO2) present in the expired air is |
| A. | 0.0006 |
| B. | 0.0004 |
| C. | 0.04 |
| D. | 0.06 |
| Answer» D. 0.06 | |
| 1536. |
The aquatic plants get oxygen in |
| A. | free form |
| B. | dissolved form |
| C. | stored form |
| D. | oxidized form |
| Answer» C. stored form | |
| 1537. |
The carbon dioxide produced during cellular respiration is |
| A. | consumed |
| B. | stored |
| C. | take out |
| D. | absorbed |
| Answer» D. absorbed | |
| 1538. |
The device which provides the environment to microorganisms to interact with the substrate is called |
| A. | producer |
| B. | fermenter |
| C. | industrializer |
| D. | non industrializer |
| Answer» C. industrializer | |
| 1539. |
The fermentation which is carried by bacteria is called |
| A. | lactic acid fermentation |
| B. | alcoholic fermentation |
| C. | pyruvic fermentation |
| D. | acrylic fermentation |
| Answer» B. alcoholic fermentation | |
| 1540. |
In lactic acid fermentation, pyruvic acid is reduced to |
| A. | lactic acid |
| B. | acetic acid |
| C. | ascorbic acid |
| D. | folic acid |
| Answer» B. acetic acid | |
| 1541. |
Interferons were produced in |
| A. | 1980 |
| B. | 1949 |
| C. | 1950 |
| D. | 1970 |
| Answer» B. 1949 | |
| 1542. |
The glycerol (C3H8O3) is used at industry level for the production of |
| A. | plastics |
| B. | leather treatment |
| C. | vinegar |
| D. | cosmetics |
| Answer» E. | |
| 1543. |
The body cells have a constant number of |
| A. | genes |
| B. | paired chromosomes |
| C. | unpaired chromosomes |
| D. | Deoxyribonucleic acid (DNA) |
| Answer» C. unpaired chromosomes | |
| 1544. |
Genes are the special factors which control the |
| A. | expression of trait |
| B. | nature of trait |
| C. | colour of trait |
| D. | kind of trait |
| Answer» B. nature of trait | |
| 1545. |
A cross in which only one trait is studied at a time is |
| A. | dihybrid |
| B. | trihybrid |
| C. | monohybrid |
| D. | Polyhybrid |
| Answer» D. Polyhybrid | |
| 1546. |
The characteristic or trait of cell or organism is made by |
| A. | genes |
| B. | chromosomes |
| C. | proteins |
| D. | Deoxyribonucleic acid (DNA) |
| Answer» E. | |
| 1547. |
The locations and positions of genes on chromosomes are known as |
| A. | loci |
| B. | Deoxyribonucleic acid (DNA) |
| C. | nucleus |
| D. | none of above |
| Answer» B. Deoxyribonucleic acid (DNA) | |
| 1548. |
The Eustachian tube regulates the |
| A. | air pressure |
| B. | air waves |
| C. | air current |
| D. | light |
| Answer» B. air waves | |
| 1549. |
The response of the sympathetic nervous system is known as |
| A. | autonomic response |
| B. | flight response |
| C. | somatic response |
| D. | reflex response |
| Answer» C. somatic response | |
| 1550. |
Considering the disorders of the eye, the long sight disorder is also known as |
| A. | rhodopsin optic disorder |
| B. | eye fovea |
| C. | hypermetropia |
| D. | myopia |
| Answer» D. myopia | |