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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.
| 801. |
Elongation of eyeball causes |
| A. | myopia |
| B. | hypermetropia |
| C. | long sight |
| D. | all of above |
| Answer» B. hypermetropia | |
| 802. |
Which of the following are secreted by Islets of Langerhans? |
| A. | insulin and digestive enzymes |
| B. | insulin and glucagon |
| C. | insulin and glucose |
| D. | none of above |
| Answer» C. insulin and glucose | |
| 803. |
The major regions of the human brain and brain of other vertebrates are |
| A. | forebrain |
| B. | hindbrain |
| C. | midbrain |
| D. | all of above |
| Answer» E. | |
| 804. |
Paralysis is most often by damage to |
| A. | heart |
| B. | muscles |
| C. | stomach |
| D. | brain |
| Answer» E. | |
| 805. |
The negative feedback means the output of a process |
| A. | increases |
| B. | remains constant |
| C. | changes |
| D. | decreases |
| Answer» E. | |
| 806. |
The disorder of the nervous system which occurs because of the disturbance of the supply of blood to the nervous system is called |
| A. | muscular disorders |
| B. | vascular disorders |
| C. | functional disorders |
| D. | compositional disorders |
| Answer» C. functional disorders | |
| 807. |
The inner part of Adrenal gland is called |
| A. | cortex |
| B. | medulla |
| C. | pelvis |
| D. | nephron |
| Answer» C. pelvis | |
| 808. |
In human ears, the inner part of the ear comprises of |
| A. | vestibule and cochlea |
| B. | cochlea and stapes |
| C. | cochlea and pinna |
| D. | incus and vestibule |
| Answer» B. cochlea and stapes | |
| 809. |
The appendicular skeleton of the human body is composed of |
| A. | 138 bones |
| B. | 134 bones |
| C. | 126 bones |
| D. | 130 bones |
| Answer» D. 130 bones | |
| 810. |
Fibrous cartilage is found in |
| A. | pinna |
| B. | larynx |
| C. | trachea |
| D. | invertebral discs |
| Answer» E. | |
| 811. |
The sternum bone is present in |
| A. | skull |
| B. | legs |
| C. | chest |
| D. | vertebral column |
| Answer» D. vertebral column | |
| 812. |
How many bones are present in the axial skeleton? |
| A. | 50 |
| B. | 60 |
| C. | 70 |
| D. | 80 |
| Answer» E. | |
| 813. |
The number of hard bones in the adult skeleton is |
| A. | 206 bones |
| B. | 212 bones |
| C. | 306 bones |
| D. | 315 bones |
| Answer» B. 212 bones | |
| 814. |
The passing of traits to offsprings from their parents is called |
| A. | reproduction |
| B. | fertilization |
| C. | genetics |
| D. | inheritance |
| Answer» E. | |
| 815. |
The two chromosomes in a pair are classified as |
| A. | heterologous chromosomes |
| B. | homologous chromosomes |
| C. | homozygous chromosomes |
| D. | heterozygous chromosomes |
| Answer» C. homozygous chromosomes | |
| 816. |
The animals that are bred in the artificial selection are classified as |
| A. | cultivars |
| B. | traitors |
| C. | breeds |
| D. | varieties |
| Answer» D. varieties | |
| 817. |
What is the term used for a cross in which only one trait is studied at a time? |
| A. | dihybrid cross |
| B. | monohybrid cross |
| C. | homozygous |
| D. | heterozygous |
| Answer» C. homozygous | |
| 818. |
If Bb is a gene pair of an individual then the alleles for this gene pair are |
| A. | a and b |
| B. | b and b |
| C. | b and a |
| D. | b and b |
| Answer» E. | |
| 819. |
The bag of the skin in which testes are located is called |
| A. | epididymis |
| B. | scrotum |
| C. | prostate gland |
| D. | epicotyls |
| Answer» C. prostate gland | |
| 820. |
The embryo is a/an |
| A. | fruit |
| B. | immature plant |
| C. | seed |
| D. | none of above |
| Answer» C. seed | |
| 821. |
The examples of suckers are |
| A. | tulip |
| B. | onion |
| C. | carrot |
| D. | mint |
| Answer» E. | |
| 822. |
The fluid which contains sperm is called |
| A. | semen |
| B. | scrotum |
| C. | spermatogonia |
| D. | seminal vesicles |
| Answer» B. scrotum | |
| 823. |
The process which undergoes into the microspore nucleus is known as |
| A. | binary fission |
| B. | mitosis |
| C. | meiosis |
| D. | calluses |
| Answer» C. meiosis | |
| 824. |
The matured pollen grains are transferred to another to another part of the plant called |
| A. | sepal |
| B. | carpel |
| C. | stamen |
| D. | stigma |
| Answer» E. | |
| 825. |
The transfer of pollen grains of flowers from the anther to the stigma is called |
| A. | pollination |
| B. | reproduction |
| C. | self fertilization |
| D. | double fertilization |
| Answer» B. reproduction | |
| 826. |
After fertilization the ovule becomes |
| A. | seed |
| B. | fruit |
| C. | flower |
| D. | sepals |
| Answer» B. fruit | |
| 827. |
The immature plant is known as |
| A. | seed |
| B. | zygote |
| C. | embryo |
| D. | seed coat |
| Answer» D. seed coat | |
| 828. |
The opening through which the pollen tube enters ovule is called |
| A. | micropyle |
| B. | radicle |
| C. | hilum |
| D. | Plumule |
| Answer» B. radicle | |
| 829. |
The allele that prevents the expression of the other is called |
| A. | recessive allele |
| B. | dominant allele |
| C. | loci |
| D. | phenotype |
| Answer» C. loci | |
| 830. |
The nitrogenous base guanine of one nucleotide made the pair in another nucleotide with |
| A. | adenine |
| B. | thymine |
| C. | hydrogen |
| D. | cytosine |
| Answer» E. | |
| 831. |
The process in which the ribosome reads the sequence and joins specific amino acids according to it to form a protein is called? |
| A. | translation |
| B. | transcription |
| C. | duplication |
| D. | replication |
| Answer» B. transcription | |
| 832. |
The important source of variations are |
| A. | genes |
| B. | chromosomes |
| C. | inheritance |
| D. | mutations |
| Answer» E. | |
| 833. |
The kind of breeding which is intended for a particular combination of traits is classified as |
| A. | artificial selection only |
| B. | selective breeding only |
| C. | traits breeding |
| D. | artificial selection and selective breeding |
| Answer» E. | |
| 834. |
The types of arthritis include |
| A. | gout |
| B. | osteoarthritis |
| C. | rheumatoid arthritis |
| D. | all of above |
| Answer» E. | |
| 835. |
The flexor muscle on the front of the upper arm bone is called |
| A. | biceps |
| B. | triceps |
| C. | muscles |
| D. | tissues |
| Answer» B. triceps | |
| 836. |
How many bones are present in the pelvic girdle? |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» B. 4 | |
| 837. |
The act of changing the position or place of the body parts or the entire body is called |
| A. | movement |
| B. | locomotion |
| C. | skeletal movement |
| D. | non-skeletal movement |
| Answer» B. locomotion | |
| 838. |
The matrix of bones and cartilage contain |
| A. | collagen |
| B. | fibers |
| C. | calcium |
| D. | protein |
| Answer» B. fibers | |
| 839. |
In a food chain, the first trophic level is made of |
| A. | decomposer |
| B. | producer |
| C. | consumer |
| D. | autotrophs |
| Answer» C. consumer | |
| 840. |
Relationship between Rhizobium bacteria and leguminous plants is an example of |
| A. | parasitism |
| B. | mutualism |
| C. | commensalism |
| D. | none of above |
| Answer» C. commensalism | |
| 841. |
The carnivores that are fed on secondary carnivores are called |
| A. | tertiary carnivores |
| B. | secondary herbivores |
| C. | primary herbivores |
| D. | tertiary herbivores |
| Answer» B. secondary herbivores | |
| 842. |
The living factors of an ecosystem are called |
| A. | antibiotic components |
| B. | biotic components |
| C. | abiotic components |
| D. | decomposers |
| Answer» C. abiotic components | |
| 843. |
The carbon cycle is perfect as carbon is returned to the atmosphere as soon as it is |
| A. | produced |
| B. | formed |
| C. | absorbed |
| D. | removed |
| Answer» E. | |
| 844. |
The amount of oxygen (O2) present in expired air is |
| A. | 0.16 |
| B. | 0.28 |
| C. | 0.21 |
| D. | 0.25 |
| Answer» B. 0.28 | |
| 845. |
Which of the following reduces the oxygen-carrying capacity of hemoglobin? |
| A. | carbon monoxide |
| B. | sulphur dioxide |
| C. | carbon dioxide |
| D. | tobacco |
| Answer» B. sulphur dioxide | |
| 846. |
The bacterium, Streptococcus pneumonia, causes the respiratory disorder known as |
| A. | asthma |
| B. | emphysema |
| C. | bronchitis |
| D. | pneumonia |
| Answer» E. | |
| 847. |
The box-like structure which is present between trachea and pharynx is called |
| A. | vocal duct |
| B. | voice box |
| C. | vocal tract |
| D. | vocal cords |
| Answer» C. vocal tract | |
| 848. |
As compared to breathing, the processes involved in the respiration includes |
| A. | bio-chemical processes only |
| B. | mechanical processes only |
| C. | non-mechanical processes |
| D. | biochemical and mechanical processes |
| Answer» E. | |
| 849. |
What is the optimum temperature range for germination? |
| A. | 10-15 °C |
| B. | 5-10 °C |
| C. | 20-25 °C |
| D. | 25-30 °C |
| Answer» E. | |
| 850. |
The first emerging structure from the radicle of the seed is called |
| A. | root |
| B. | shoot |
| C. | stems |
| D. | leaves |
| Answer» B. shoot | |