MCQOPTIONS
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MCQOPTIONS
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.
| 1601. |
Which of the following is a poison used as an insecticide? |
| A. | carcinogen |
| B. | nicotine |
| C. | tobacco |
| D. | cigarette smoke |
| Answer» C. tobacco | |
| 1602. |
How many pairs of ribs are present in the chest wall? |
| A. | 10 |
| B. | 11 |
| C. | 13 |
| D. | 12 |
| Answer» E. | |
| 1603. |
Gregor Mendel developed the fundamental principles of |
| A. | botany |
| B. | genetics |
| C. | chemistry |
| D. | inheritance |
| Answer» C. chemistry | |
| 1604. |
The round structures of Deoxyribonucleic Acid (DNA) around histone proteins are called |
| A. | monohybrid genes |
| B. | hybrid genes |
| C. | chromosomes |
| D. | nucleosomes |
| Answer» E. | |
| 1605. |
Phenotype is the expression of |
| A. | genetic makeup |
| B. | physical makeup |
| C. | chemical composition |
| D. | metabolism |
| Answer» C. chemical composition | |
| 1606. |
Fundamental principles of genetics were developed by |
| A. | Gregor Johann |
| B. | Edward Jenner |
| C. | J.Watson and F.Crick |
| D. | Darwin and Lamark |
| Answer» B. Edward Jenner | |
| 1607. |
How many total chromosomes are present in a human's body cell? |
| A. | 23 |
| B. | 46 |
| C. | 26 |
| D. | 52 |
| Answer» C. 26 | |
| 1608. |
All carnivore animals are |
| A. | scavengers |
| B. | predators |
| C. | inhibitors |
| D. | competitors |
| Answer» C. inhibitors | |
| 1609. |
The population that interact with one another and live in a particular habitat are best classified as |
| A. | community |
| B. | biosphere |
| C. | ecosystem |
| D. | population |
| Answer» B. biosphere | |
| 1610. |
The concept of the ecological pyramid was developed in |
| A. | 1928 |
| B. | 1970 |
| C. | 1983 |
| D. | 1927 |
| Answer» E. | |
| 1611. |
The Sulfur dioxide (SO2), soot and flu ash are pollutants released by |
| A. | textile industries |
| B. | steel industries |
| C. | fertilizer industries |
| D. | thermal industries |
| Answer» E. | |
| 1612. |
In the food chain, fewer animals are present at |
| A. | beginning of food chain |
| B. | end of food chain |
| C. | center of chain |
| D. | top of chain |
| Answer» C. center of chain | |
| 1613. |
Considering the types of coordination, nervous coordination leads to |
| A. | gland system |
| B. | nervous system |
| C. | pituitary system |
| D. | endocrine system |
| Answer» E. | |
| 1614. |
Considering the lobes of the cerebral cortex, the lobe which is involved in the movement of speech and control skeletal muscles is called |
| A. | occipital lobe |
| B. | temporal lobe |
| C. | parietal lobe |
| D. | frontal lobe |
| Answer» E. | |
| 1615. |
The spinal cord is surrounded and protected by |
| A. | skull |
| B. | vertebral column |
| C. | cranium |
| D. | meninges |
| Answer» C. cranium | |
| 1616. |
How many hormones, Islets of Langerhans secrete? |
| A. | two hormones |
| B. | one hormones |
| C. | three hormones |
| D. | four hormones |
| Answer» B. one hormones | |
| 1617. |
The coordinators of the central nervous system are |
| A. | brain and spinal cord |
| B. | pituitary glands |
| C. | endocrine glands |
| D. | skin and blood vessels |
| Answer» B. pituitary glands | |
| 1618. |
The example of a ball-and-socket joint is |
| A. | vertebral disc joint |
| B. | shoulder and hip joints |
| C. | knee and elbow joints |
| D. | spinal cord joints |
| Answer» C. knee and elbow joints | |
| 1619. |
Considering the axial skeleton, the bone present in the human neck is also known as |
| A. | vertebral bone |
| B. | pectoral bone |
| C. | hyoid bone |
| D. | pelvic bone |
| Answer» D. pelvic bone | |
| 1620. |
The cartilage found in pinna and epiglottis is |
| A. | elastic |
| B. | fibrous |
| C. | hyaline |
| D. | collagen |
| Answer» B. fibrous | |
| 1621. |
Considering the triceps and bicep of arms, the forearm is pulled downward when the muscle of |
| A. | bicep relaxes |
| B. | bicep contracts |
| C. | triceps relaxes |
| D. | triceps contracts |
| Answer» E. | |
| 1622. |
Skeleton on the inside of the body is called |
| A. | shell |
| B. | endoskeleton |
| C. | exoskeleton |
| D. | none of above |
| Answer» C. exoskeleton | |
| 1623. |
What is present on the inside of double helix? |
| A. | nitrogenous base |
| B. | phosphate-sugar backbone |
| C. | nucleotides |
| D. | ribose sugar |
| Answer» B. phosphate-sugar backbone | |
| 1624. |
Charles Darwin was born in |
| A. | 1809 |
| B. | 1815 |
| C. | 1819 |
| D. | 1829 |
| Answer» B. 1815 | |
| 1625. |
If a person has a blood group O his antigens are |
| A. | A |
| B. | B |
| C. | AB |
| D. | no antigen |
| Answer» E. | |
| 1626. |
Watson and crick model of DNA was proposed in |
| A. | 1953 |
| B. | 1955 |
| C. | 1944 |
| D. | 1954 |
| Answer» B. 1955 | |
| 1627. |
The expression of a genotype in the form of a trait is called |
| A. | homozygous genotype |
| B. | heterozygous genotype |
| C. | phenotype |
| D. | genotype |
| Answer» D. genotype | |
| 1628. |
The sporophytic generation is dominant in |
| A. | all plants |
| B. | most plants |
| C. | few plants |
| D. | only in trees |
| Answer» C. few plants | |
| 1629. |
If the planarian divides into more than two pieces then this type of division is also called |
| A. | fragmentation |
| B. | binary fission |
| C. | budding |
| D. | spore formation |
| Answer» B. binary fission | |
| 1630. |
In binary fission of unicellular eukaryotes, the parent organism nucleus is divided into two by |
| A. | fragmentation |
| B. | cloning |
| C. | meiosis |
| D. | mitosis |
| Answer» E. | |
| 1631. |
In honeycomb, the unfertilized eggs laid by queen become developed and turns into |
| A. | diploid females |
| B. | diploid males |
| C. | haploid females |
| D. | haploid males |
| Answer» E. | |
| 1632. |
The examples of flowers that are pollinated by insects are |
| A. | willow and corn |
| B. | buttercup and rose |
| C. | grasses |
| D. | hazel and willow |
| Answer» C. grasses | |
| 1633. |
Stem tubers have aggregations of tiny buds in the form of |
| A. | nodes |
| B. | eyes |
| C. | scar |
| D. | tubes |
| Answer» C. scar | |
| 1634. |
In Pakistan the adult population infected with HIV is |
| A. | 0.002 |
| B. | 0.003 |
| C. | 0.005 |
| D. | 0.001 |
| Answer» E. | |
| 1635. |
Body cells of Rhizopus form thick-walled spore sacs called |
| A. | cysts |
| B. | golgi apparatus |
| C. | spores |
| D. | sporangia |
| Answer» E. | |
| 1636. |
The specialized cells cluster that nourishes the egg cells are called |
| A. | oogonia vesicles |
| B. | ovular ducts |
| C. | protein shell |
| D. | follicle |
| Answer» E. | |
| 1637. |
The period faced by seeds in which there is no growth is called |
| A. | hypocotyls |
| B. | dormancy |
| C. | Epigeal |
| D. | hypogeal |
| Answer» C. Epigeal | |
| 1638. |
Pakistan's federal ministry of health was established in |
| A. | 1988 |
| B. | 1987 |
| C. | 1967 |
| D. | 1990 |
| Answer» C. 1967 | |
| 1639. |
The spores are released by the sporangia which are |
| A. | mature |
| B. | in early life |
| C. | divided into daughter cell |
| D. | divided by meiosis |
| Answer» B. in early life | |
| 1640. |
The types of germination based on epicotyls and hypocotyls elongation are |
| A. | Epigeal germination only |
| B. | hypogeal germination only |
| C. | epicotyls germination |
| D. | Epigeal germination and hypogeal germination |
| Answer» E. | |
| 1641. |
The two nuclei's produced by mitosis of the nucleus are |
| A. | tube nucleus only |
| B. | generative nucleus only |
| C. | ovular nucleus |
| D. | tube and generative nucleus |
| Answer» E. | |
| 1642. |
Short and swollen underground stems containing stored food are called |
| A. | bulbs |
| B. | corms |
| C. | rhizomes |
| D. | stem tubers |
| Answer» C. rhizomes | |
| 1643. |
The dislocation of bones at joints is prevented by |
| A. | tendons |
| B. | ligaments |
| C. | collagen |
| D. | matrix |
| Answer» C. collagen | |
| 1644. |
Tendons and ligaments are |
| A. | bones |
| B. | bands of connective tissues |
| C. | cartilages |
| D. | non cartilages |
| Answer» C. cartilages | |
| 1645. |
The parts of the axial skeleton include |
| A. | skull and hyoid bone |
| B. | vertebral column |
| C. | middle ear ossicles and chest |
| D. | all of above |
| Answer» E. | |
| 1646. |
The number of bones in the newly born babies are |
| A. | 295 bones |
| B. | 300 bones |
| C. | 315 bones |
| D. | 325 bones |
| Answer» C. 315 bones | |
| 1647. |
The skeletal system of some invertebrates is |
| A. | hydro skeleton |
| B. | exoskeleton |
| C. | endoskeleton |
| D. | false skeleton |
| Answer» C. endoskeleton | |
| 1648. |
In the food chain, the animals that are not available in abundance are present at the |
| A. | beginning of food chain |
| B. | end of the food chain |
| C. | middle of food chain |
| D. | center of biomass pyramid |
| Answer» C. middle of food chain | |
| 1649. |
Herbivores are also called |
| A. | carnivores |
| B. | secondary consumers |
| C. | primary consumers |
| D. | omnivores |
| Answer» D. omnivores | |
| 1650. |
Relationship between suckerfish and sharks is an example of |
| A. | parasitism |
| B. | mutualism |
| C. | commensalism |
| D. | none of above |
| Answer» D. none of above | |